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Dr. THOMAS
GAISER Katzenburgweg 5 53115 Bonn (Germany) Tel. +49-228-732050 E-Mail: tgaiser@uni-bonn.de |
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Education |
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1988 1993 |
M.Sc. in Agronomy at the Ph.D. in Soil Science at the |
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Professional Career |
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1989-1991 |
Research Fellow International Institute for Tropical Agriculture (IITA),
Substation Benin, |
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1991-1992 |
Research Fellow |
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1993-2001 |
Post-Doc Scientist |
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2002-2007 |
Assistant Professor |
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2007-2013 |
Senior Scientist |
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Since 2013 |
Associate Professor, University of Bonn, Institute
of |
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Research projects |
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Ongoing projects |
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Funded by |
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2016- |
BMBF/EU |
SUSTAg -
Assessing options for the SUSTainable
intensification of Agriculture for integrated production of food and non-food
products |
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2016- |
MUNLV NRW |
Modelling structural change
and agricultural nutrient flows across scales in regions of North
Rhine-Westphalia |
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2016- |
BMZ |
PARI
Program of Accompanying
Research for Agricultural Innovation - Crop modeling
group |
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2014- |
BMBF |
Soil^3 – Sustainable Subsoil
Management |
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2013- |
USDA/Own funds |
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2013- |
BMBF |
Improving food security in Africa
through increased system productivity of biomass-based value webs (BiomassWeb) |
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Past Projects |
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Funded by |
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2014-2017 |
DFG |
Modelling nutrient acquisition by crops with specific
consideration of biopores |
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2012-2016 |
EU |
MACSUR- Modelling European
Agriculture with Climate Change for Food Security |
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2010-2013 |
DFG |
Crop sequence and nutrient acquisition from subsoils (FOR1320) more... |
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2010-2017 |
BMBF |
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2009-2011 |
DAAD |
Finish-German project related exchange of scientists (FINGER) more… |
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2009-2012 |
IPSWAT |
Integrated Water Management in the Agricultural Sector
in Ktoua Oasis, |
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2009-2010 |
MUNLV NRW |
Climate change effects on crop production in the state
of North-Rhine-Westfalia |
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2008-2010 |
BWPLUS |
Assessment of production potentials für energy crops
in the state of Baden-Württemberg |
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2007-2011 |
BMBF |
IMPETUS – An integrated approach to the efficient
management of scarce water resources in |
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2007 -2010 |
EU |
Biosaline Agroforestry |
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2006-2009 |
DFG |
Sustainable land use and rural development in
mountain regions of |
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2006-2008 |
Sino-German Center Peking/ DFG |
Sino-German Cooperation Group of Paleontology and
Geosciences |
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2005-2008 |
BMBF |
Developing an integrated management concept for
flood retention areas (RIMAX) |
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2005-2007 |
DFG |
Modeling Material Flows and Production
Systems for Sustainable Resource Use in an Intensified Crop Production in the
North China Plain |
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2005-2006 |
Ministry of Environment BW |
CO2 emissions from cropland in the state
of Baden-Württemberg |
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2004-2006 |
EU |
A regional model for integrated water management in
twinned river basins (www.rivertwin.de) |
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2002-2006 |
MLR BW |
Ecological farming in ground water
protection areas |
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2002-2005 |
BMBF |
Climate change and external drivers in a complex
climate model |
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1999-2003 |
BMBF |
Environmentally compatible and sustainable
agricultural production in the North China Plain |
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1994-2001 |
BMBF |
Water availability and vulnerability of ecosystems
and societies in |
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1989-1999 |
DFG |
Adapted land use in |
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Professional Achievements |
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Management 3 years coordinator of the European Research Project
RIVERTWIN (Regional modeling for integrated river basin management in Africa
and 7 years coordinator of the German-Brazilian interdisciplinary
research project on "Water Availability and Vulnerability of Ecosystems
and Society in the Northeast of Brazil" Coordinating lectures, field trips and laboratory
exercises in Soil Science for students of Agriculture (ca. 140 per year) and
Agro-Biology (ca. 80 per year) Teaching Universidade Federal do Ceara:
Modeling Agro-Ecosystems Co-supervisor of several Master and Ph.D. theses Research Integrated modeling of interactions between land use
and water resources at the basin scale Non-point pollution of surface and ground waters
from agricultural activities Modeling water and wind erosion Usage of soil information for up-scaling of
agro-ecosystem models in Sub-Saharan Africa, Europe, South America and Organic matter, nitrogen turnover and carbon fluxes
at different scales |
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Reviewing |
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Member of the Editorial Board of the international
journal “Field Crops Research”
Reviewer in various scientific journals (Plant and
Soil, Field Crops Research, Agricultural and Forest Meteorology, Computers and
Electronics in Agriculture, Journal of Plant Nutrition and Soil Science,
Environmental Management, Catena, Journal of Hydrology, Transactions of the
American Society of Agric. and Biol. Engineers, Atmosphere, Journal of
Atmospheric Sciences)
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Publications |
Papers in peer-reviewed journals88
Papers in peer-reviewed journals
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Hjelkrem, A. G. R., Hoglind,
M., van Oijen, M., Schellberg, J., Gaiser, T. & Ewert, F. (2017). Sensitivity analysis and
Bayesian calibration for testing robustness of the BASGRA model in different
environments. Ecological Modelling 359: 80-91. Grosz,
B., Dechow, R., Gebbert, S., Hoffmann, H., Zhao,
G., Constantin, J., Raynal, H., Wallach, D.,
Coucheney, E., Lewan, E., Eckersten, H., Specka, X., Kersebaum, K. C.,
Nendel, C., Kuhnert, M., Yeluripati, J., Haas, E., Teixeira, E., Bindi, M.,
Trombi, G., Moriondo, M., Doro, L., Roggero, P. P.,
Zhao, Z. G., Wang, E. L., Tao, F. L., Rotter, R., Kassie, B., Cammarano, D., Asseng, S., Weihermuller, L., Siebert, S., Gaiser, T. & Ewert, F.
(2017). The implication of input
data aggregation on up-scaling soil organic carbon changes. Environmental
Modelling & Software 96: 361-377. Niang, A., Becker, M., Ewert, F., Dieng,
I., Gaiser, T., Tanaka, A., Senthilkumar, K., Rodenburg, J., Johnson, J. M., Akakpo,
C., Segda, Z., Gbakatchetche,
H., Famara Jaiteh, F.,
Bam, R. K., Dogbe, W., Keita, S., Kamissoko, N., Mossi, I. M., Bakare, O. S., Cissé, M.,
Baggie, I., Ablede, K. A. & Saito, K. (2017). Variability and
determinants of yields in rice production systems of West Africa. Field Crops
Research: 1-12. Ruiz-Ramos,
M., Ferrise, R., Rodríguez, A., Lorite, I. J., Bindi, M., Carter, T. R.,
Fronzek, S., Palosuo, T., Pirttioja, N., Baranowski, P., Buis,
S., Cammarano, D., Chen, Y., Dumont, B., Ewert, F.,
Gaiser, T., Hlavinka, P., Hoffmann, H., Höhn, J.
G., Jurecka, J., Kersebaum, K. C., Krzyszczak, J.,
Lana, M., Mechiche-Alami, A., Minet, J., Montesino, M., Nendel, C., Porter, J. R., Ruget, F., Semenov, M. A., Steinmetz, Z., Stratonovitch, P., Supit, I.,
Tao, F., Trnka, M., de Wit, A. & Rötter, R. P. (2017). Adaptation response surfaces for managing wheat
under perturbed climate and CO2 in a Mediterranean environment. Agricultural
Systems accepted. http://dx.doi.org/10.1016/j.agsy.2017.01.009.
Yin,
X.G., Kersebaum, K.C., Kollas, C., Baby, S., Beaudoin, N., Manevski, K., Palosuo, T., Nendel, C., Wu, L.H.,
Hoffmann, M., Hoffmann, H., Sharif, B., Armas-Herrera,
C.M., Bindi, M., Charfeddine, M., Conradt, T., Constantin, J., Ewert, F., Ferrise, R., Gaiser,
T., de Cortazar-Atauri, I.G., Giglio,
L., Hlavinka, P., Lana, M., Launay, M., Louarn, G., Manderscheid, R.,
Mary, B., Mirschel, W., Moriondo, M., Ouml;zturk, I., Pacholski, A., Ripoche-Wachter, D., Rotter, R.P., Ruget,
F., Trnka, M., Ventrella, D., Weigel, H.J., Olesen,
J.E. (2017). Multi-model uncertainty
analysis in predicting grain N for crop rotations in Europe. European Journal
of Agronomy 84, 152-165 Srivastava, A.K., C.M. Mboh, T. Gaiser,
F. Ewert, 2017. Impact of climatic variables on the spatial and
temporal variability of crop yield and biomass gap in Sub-Saharan Africa – a
case study in Central Ghana. Field Crops Research, 203, 33-46 Webber, H., F. Ewert, B.A. Kimball, S.
Siebert, J.W. White, G.W. Wall, M.J. Ottman, D.N.A.
Trawally, T. Gaiser, 2016. Simulating canopy temperature for modelling heat
stress in cereals. Environmental Modelling & Software 77, 143-155 Srivastava, A.K., C.M. Mboh, T. Gaiser,
H. Webber, F. Ewert, 2016. Effect of sowing date distributions on simulation
of maize yields at regional scale – A case study in Central Ghana, West
Africa. Agricultural Systems 147, 10-23. Faye, B., H. Webber, T. Gaiser, M. Diop,
J.D. Owusu-Sekyere, J.B. Naab, 2016. Effects of fertilization
rate and water availability on peanut growth and yield in Senegal (West
Africa). Journal of Sustainable Development 9, 111-131 Gabaldón-Leal, C., H. Webber, M.E.
Otegui, G.A. Slafer, R.A. Ordóñez, T. Gaiser, I.J. Lorite, M. Ruiz-Ramos, F.
Ewert, 2016. Modelling the impact of heat stress on maize yield formation. Field
Crops Research 198, 226-237 Hoffmann, H., P. Baranowski, J.
Krzyszczak, M. Zubik, C. Slawinski, T. Gaiser, F.
Ewert (2017): Temporal properties of spatially aggregated meteorological time series.
Agricultural and Forest Meteorology 234: 247-257 Adusei, G., Gaiser, T., Boukar, O.,
Fatokun, C. (2016): Growth and yield responses of cowpea genotypes to
soluble and rock P fertilizers on an acid, highly weathered soil from humid
tropical West Africa. Int.J.Biol.Chem.Sci 10,
1493-1507. Assoumana, B. T., Ndiaye, M., Van Der Puije, G., Diourte, M. &
Gaiser, T. (2016): Comparative Assessment of
Local Farmers’ Perceptions of Meteorological Events and Adaptations
Strategies: Two Case Studies in Niger Republic. Journal of Sustainable
Development 9(3): 118-135. Webber, H., Gaiser, T., Oomen, R.,
Teixeira, E., Zhao, G., Wallach, D., Zimmermann, A., Ewert, F. (2016): Uncertainty in future irrigation water demand and
risk of crop failure for maize in Europe. Environmental Research Letters 11:074007. Hoffmann,
H., Zhao, G., Asseng, S., Bindi, M., Biernath, C.,
Constantin, J., Coucheney, E., Dechow, R., Doro, L., Eckersten, H., Gaiser,
T., Grosz, B., Heinlein, F., Kassie, B. T., Kersebaum, K.-C., Klein, C.,
Kuhnert, M., Lewan, E., Moriondo, M., Nendel, C., Priesack,
E., Raynal, H., Roggero,
P. P., Rötter, R. P., Siebert, S., Specka, X., Tao, F., Teixeira, E., Trombi,
G., Wallach, D., Weihermüller, L., Yeluripati, J.,Ewert,
F. (2016): Impact of Spatial Soil and Climate Input Data Aggregation on Regional
Yield Simulations. PLoS ONE 11(4):
e0151782. Kuhnert,
M., Yeluripati, J., Smith, P., Hoffmann, H., van Oijen, M., Constantin, J.,
Dechow, R., Eckersten, H., Gaiser, T., Grosz, B., Haas, E., Kersebaum, K.C.,
Kiese, R., Klatt, S., Lewan, E., Nendel, C., Raynal, H., Sosa, C., Specka, X., Teixeira, E., Wang, E.,
Weihermüller, L., Zhao, G., Zhao, Z., Ewert, F., (2016): Impact analysis of climate
data aggregation at different spatial scales on simulated Net Primary
Productivity for croplands. European Journal of Agronomy 88. .Vereecken, H., Schnepf, A., Hopmans, J.W., Javaux, M., Or,
S., Roose, T., Vanderborght, J., Young, M.H.,
Amelung, W., Aitkenhead, M., Allison, S.D., Assouline, S., Baveye, P., Berli, M., Brüggemann, N., Finke, P., Flury,
M., Gaiser, T., Govers, G., Ghezzehei,
T., Hallett, P., Franssen, H.J.H., Heppell, J., Horn, R., Huisman,
J.A., Jacques, D., Jonard, F., Kollet, S., Lafolie, F., Lamorski, K.,
Leitner, D., McBratney, A., Minasny,
B., Montzka, C., Nowak, W., Pachepsky, Y., Padarian, J., Romano, N., Roth, K., Rothfuss,
Y., Rowe, E.C., Schwen, A., Šimůnek,
J., Tiktak, A., Van Dam, J., van der Zee,
S.E.A.T.M., Vogel, H.J., Vrugt, J.A., Wöhling, T., Young, I.M. (2016): Modeling Soil
Processes: Review, Key Challenges, and New Perspectives. Vadose
Zone Journal 15. Ewert,
F., Rotter, R. P., Bindi, M., Webber, H., Trnka, M., Kersebaum, K. C.,
Olesen, J. E., van Ittersum, M. K., Janssen, S., Rivington, M., Semenov, M. A., Wallach, D., Porter, J.
R., Stewart, D., Verhagen, J., Gaiser, T., Palosuo,
T., Tao, F., Nendel, C., Roggero, P. P., Bartosova, L. & Asseng, S.
(2015): Crop modelling
for integrated assessment of risk to food production from climate change. Environmental Modelling
& Software 72: 287-303. Hoffmann,
H., Zhao, G., van Bussel, L. G. J., Enders, A., Specka, X., Sosa, C.,
Yeluripati, J., Tao, F., Constantin, J., Raynal,
H., Teixeira, E., Grosz, B., Doro, L., Zhao, Z., Wang, E., Nendel, C.,
Kersebaum, K. C., Haas, E., Kiese, R., Klatt, S.,
Eckersten, H., Vanuytrecht, E., Kuhnert, M., Lewan,
E., Rotter, R., Roggero, P. P., Wallach, D., Cammarano, D., Asseng, S.,
Krauss, G., Siebert, S., Gaiser, T. & Ewert, F. (2015). Variability of effects of spatial climate data
aggregation on regional yield simulation by crop models. Climate Research 65: 53-69. Kersebaum, K. C., Boote, K. J., Jorgenson, J. S., Nendel, C., Bindi, M., Fruhauf, C., Gaiser, T., Hoogenboom,
G., Kollas, C., Olesen, J. E., Rotter, R. P., Ruget,
F., Thorburn, P. J., Trnka, M. & Wegehenkel, M.
(2015). Analysis and
classification of data sets for calibration and validation of agro-ecosystem
models. Environmental Modelling & Software 72: 402-417. Kollas,
C., Kersebaum, K. C., Nendel, C., Manevski, K.,
Muller, C., Palosuo, T., Armas-Herrera, C. M.,
Beaudoin, N., Bindi, M., Charfeddine, M., Conradt, T., Constantin, J., Eitzinger,
J., Ewert, F., Ferrise, R., Gaiser, T., de Cortazar-Atauri,
I. G., Giglio, L., Hlavinka, P., Hoffmann, H.,
Hoffmann, M. P., Launay, M., Manderscheid,
R., Mary, B., Mirschel, W., Moriondo, M., Olesen,
J. E., Ouml;zturk, I., Pacholski,
A., Ripoche-Wachter, D., Roggero,
P. P., Roncossek, S., Rotter, R. P., Ruget, F., Sharif, B., Trnka, M., Ventrella, D., Waha, K., Wegehenkel, M., Weigel, H. J. & Wu, L. H. (2015). Crop rotation modelling-A European model intercomparison. European Journal of Agronomy 70: 98-111. Pirttioja,
N., Carter, T. R., Fronzek, S., Bindi, M., Hoffmann, H., Palosuo, T.,
Ruiz-Ramos, M., Tao, F., Trnka, M., Acutis, M., Asseng, S., Baranowski, P., Basso, B., Bodin, P., Buis, S., Cammarano, D., Deligios, P., Destain, M. F., Dumont, B., Ewert, F., Ferrise, R., Francois, L., Gaiser, T., Hlavinka, P.,
Jacquemin, I., Kersebaum, K. C., Kollas, C.,
Krzyszczak, J., Lorite, I. J., Minet, J., Minguez,
M. I., Montesino, M., Moriondo, M., Muller, C.,
Nendel, C., Ouml;zturk, I., Perego,
A., Rodriguez, A., Ruane, A. C., Ruget, F., Sanna, M., Semenov, M. A., Slawinski,
C., Stratonovitch, P., Supit,
I., Waha, K., Wang, E., Wu, L., Zhao, Z. &
Rotter, R. P. (2015): Temperature and precipitation effects on wheat
yield across a European transect: a crop model ensemble analysis using impact
response surfaces. Climate Research 65: 87-105. Rezaei, E. E., Webber, H., Gaiser,
T., Naab, J. & Ewert, F. (2015): Heat stress in cereals:
Mechanisms and modelling. European Journal of Agronomy 64: 98-113. Srivastava, A., Gaiser, T. (2016): Climate change impact and
potential adaptation strategies under alternate climate scenarios for yam
production in the sub-humid savannah zone of West Africa. Mitig Adapt Strateg Glob Change
(2016) 21: 955-968. Trawally, D.M.A, Agyare, W.A., Fosu,
M., Naab, J., Gaiser, T. (2015): Effect of heat stress on
two maize varieties under irrigation in Northern Region of Ghana.
International Journal of Biological and Chemical Sciences 9:1571-1587. Webber, H., Zhao, G., Wolf, J.,
Britz, W., de Vries, W.,
Gaiser, T., Hoffmann, H. & Ewert, F. (2015). Climate change impacts on
European crop yields: Do we need to consider nitrogen limitation?
European Journal of Agronomy 71: 123-134. Zhao, G.,
Hoffmann, H., van Bussel, L. G. J., Enders, A., Specka, X., Sosa, C.,
Yeluripati, J., Tao, F. L., Constantin, J., Raynal,
H., Teixeira, E., Grosz, B., Doro, L., Zhao, Z. G., Nendel, C., Kiese, R.,
Eckersten, H., Haas, E., Vanuytrecht, E., Wang, E.,
Kuhnert, M., Trombi, G., Moriondo, M., Bindi, M., Lewan, E., Bach, M.,
Kersebaum, K. C., Rotter, R., Roggero, P. P.,
Wallach, D., Cammarano, D., Asseng,
S., Krauss, G., Siebert, S., Gaiser, T. & Ewert, F. (2015). Effect of weather data aggregation on regional
crop simulation for different crops, production conditions, and response
variables. Climate Research 65: 141-157. Angulo, C., Gaiser, T., Rötter, R.,
Børgesen, C.D., Hlavinka, P. Trnka, M., Ewert, F.
(2014): Fingerprints
of four crop models as affected by soil input data. Eur. J. Agron. 61,
35-48. Folberth,
C., Yang, H., Gaiser, T., Liu, J., Wang, S., Williams, J., Schulin, R., (2014): Effects of ecological and conventional agricultural intensification
practices on maize yields in sub-Saharan Africa under potential climate
change. Env. Res. Letter 9:044004 Rezaei, E.E., Gaiser, T., Siebert, S., Sultan, B., Ewert,
E. (2014): Evaluation of combined effects of fertilization and
climate on pearl millet production under current and the future climatic
conditions in Niger. Eur. J. Agron. 55:77-88. Webber, H., Ewert, F., Gaiser, T. (2014): What role can crop models play in supporting climate change adaptation decisions to enhance food
security in Sub-Saharan Africa? Agric. Syst. 127:161-177. Angulo, C., Rötter, R., Trnka, M., Pirttioja, N., Gaiser, T.,
Hlavinka, P., Ewert, F. (2013): Characteristic
“fingerprints” of crop model responses to weather input data at different
spatial resolutions. Europ. J. Agronomy. 49,
104–114. Callo-Concha, D., T. Gaiser,
H. Webber, B. Tischbein, Müller, M., F. Ewert, (2013): Farming in the West African Sudan Savanna: Insights in the context of climate change.
African Journal of Agricultural Research 8, 4693 – 4705. DOI:10.5897/AJAR2013.7153 Dagbenonbakin, G., Srivastava, A., Gaiser, T., Goldbach, H.
(2013): Maize nutrient
assessment in Benin Republic: Case of Upper Ouémé
Catchment. J. Plant Nutr. 36: 587-606. Folberth,
C., Yang, H., Gaiser, T., Abbaspour, K.C., Schulin, R., (2013): Modeling
maize yield responses to improvement in nutrient, water and cultivar inputs
in sub-Saharan Africa. Agric. Systems 119:22-34. Gaiser, T. Perkons, U., Küpper, P.M., Kautz, T.,
Uteau-Puschmann, D., Ewert, F., Enders, A., Krauss, G. (2013): Modeling biopore
effects on root growth and biomass production on soils with pronounced
sub-soil clay accumulation. Ecol. Model. 256:6-15. Kautz, T. Amelung, W., Ewert, F., Gaiser, T., Horn, R., Jahn, R., Javaux, M., Kemna, A., Kuzyakov, Y., Munch, J.-C., Pätzold, S., Peth, S., Scherer, H.W., Schloter, M., Schneider, H., Vanderborght, J., Vetterlein, D., Walter, A., Wiesenberg, G., Köpke, U. (2013): Nutrient acquisition from the arable subsoil in temperate climates: a review. Soil Biol. Biochem. http://dx.doi.org/10.1016/j.soilbio.2012.09.014. Ramarohetra, J., Sultan, B., Baron, C., Gaiser, T., Gosset, M. (2013): How satellite rainfall
estimates errors may impact rainfed
cereal yield simulation in West Africa? Agricultural and Forest Meteorology
180:118-131. Rezaei, E.E., Gaiser, T., Siebert,
S., Ewert, E. (2013): Adaptation of crop production to climate change by
crop substitution. Mitig Adapt Strateg
Glob Change 20:1155-1174 Worou
O. N. , Gaiser, T., Kazuki, S., Goldbach H., Ewert,
F. (2013): Spatio-temporal
dynamics of constraints on rainfed rice yield and
growth in West African inland valleys. Agricultural Water Management 126:
119-124. Worou
O. N. , Gaiser, T., Kazuki, S., Goldbach H., Ewert,
F. (2013): Simulation of soil water dynamics and rice crop growth as
affected by bunding and fertilizer application in
inland valley systems of West Africa. Agric. Ecosyst.
Environ. 162: 24-35. Gaiser,
T. Perkons, U., Küpper, P.M., Kautz, T., Uteau-Puschmann, D., Ewert, F.,
Enders, A., Krauss, G. (2013): Modeling biopore effects on root growth and biomass production on
soils with pronounced sub-soil clay accumulation. Ecol. Model. 256:6-15. Dagbenonbakin, G., Srivastava, A., Gaiser, T., Goldbach, H.
(2013): Maize nutrient
assessment in Kautz,
T. Amelung, W., Ewert, F., Gaiser, T., Horn, R., Jahn, R., Javaux, M., Kemna, A., Kuzyakov,
Y., Munch, J.-C., Pätzold, S., Peth, S., Scherer, H.W., Schloter, M.,
Schneider, H., Vanderborght, J., Vetterlein, D.,
Walter, A., Wiesenberg, G., Köpke, U. (2012):
Nutrient acquisition from the arable subsoil in temperate climates: a review.
Soil Biol. Biochem.
http://dx.doi.org/10.1016/j.soilbio.2012.09.014. Srivastava,
A., Gaiser , T., Ewert, F. (2012): The impact of climate
change on Yam (Dioscorea spp.) yield in relation to
major soil types in the Upper Ouémé Basin (West
Africa). Agric. Ecosyst. Environ. 153:57-64 Gaiser,
T., Stahr, K., Bernard, M., Kang, B.T. (2012):
Changes in soil organic matter fractions in a tropical Acrisol
as influenced by the addition of different residue materials. Agroforestry Systems
86:185-195. Gaiser,
T., Perkons, U., Puschmann, D. U., Küppers, P.M.,
Kautz, T., Peth, S., Pfeifer, J., Ewert, F., Horn R., Köpke, U. (2012): Evidence
of improved water uptake from subsoil by spring wheat following Srivastava, A., Gaiser , T., Ewert, F., Cornet, D. (2012): Estimation of effective fallow availability for the prediction of yam productivity at the regional scale using multiple scenario analysis. Field Crops Research 131:32-39. Folbert, C., Gaiser, T., Abbaspour,
K.C., Schulin, R., Yang, H.
(2012): Regionalization of a large-scale crop growth model for
sub-Saharan Bossa,
A.Y, Diekkrüger, B., Igué, A.M, Gaiser, T. (2012): Analyzing the effects of different soil databases on
modeling of hydrological processes and sediment yield in Dagbenonbakin, G., Srivastava, A., Gaiser, T., Goldbach, H.
(2012): Diagnosis and Recommendation
Integrated system: A tool for detecting nutrient deficiencies in Yam (Dioscorea rotundata).
J. Plant Nutr. 35(14):2124-2134. DOI:10.1080/01904167.2012.724492 Gaiser,
T., Judex, M., Igue, A.M., Paeth, H., Hiepe, C. (2011): Future productivity of fallow
systems in Sub-Saharan Africa: Is the effect of demographic pressure and
fallow reduction more significant than climate change? Agricultural and Hounsou, M., Ahamidé, B., Agbossou K. E.,
Gaiser T. (2011) : Evaluation of water quality in the Ouémé
river (Bénin). Environmentalist, 31:407-415. DOI :
10.1007/s10669-011-9356-3. Wicke,
B., Smeets, E., Dornburg,
V., Vashev, B., Gaiser, T., Turkenburg,
W, Faaij, A. (2011): The
global technical and economic potential of bioenergy from salt-affected
soils. Energy and Environmental Science 4: 2669-2681. DOI:10.1039/C1EE01029H Srivastava,
A., Gaiser , T. (2010): Simulating biomass accumulation and
yield of yam (Dioscorea alata) in the Gaiser,
T., Hiepe, C., Judex, M.,
Kuhn, A. (2010): Regional
simulation of maize production in tropical savanna
fallow systems as affected by fallow availability Agric. Syst., 103:656-665. doi:10.1016/j.agsy.2010.08.004 Kuhn,
A., Gaiser, T., Gandonou, E. (2010): Simulating the Effects of
Tax Exemptions on Fertiliser Use in Igue, A.M., Houndagba, C. J.,
Gaiser, T., Worou, R., Mensah, G.A., Stahr, K. (2010): Aspects de la dynamique de l’occupation du sol et du projet
d’aménagement participatif de la forêt classée de Toui-Kilibo
au Bénin. Rev. Sc. Env. Univ. Lomé
6:113-134. Srivastava, A., Dagbenonbakin,
G., Gaiser, T. (2010): Effect
of fertilization on Yam (Dioscorea rotundata) biomass production. J. Plant Nutr. 33: 1056-1065. Gaiser,
T., De Barros, Billen, N., Röder, C., Gaiser, T., Stahr, K. (2009): Carbon sequestration in soils of SW-Germany as
affected by agricultural management – Validation of the EPIC model. Ecol. Model. 220:71-80. http://dx.doi.org/10.1016/j.ecolmodel.2008.08.015 Gaiser, T., Abdel-Razek, M., Bakara,
H. (2009): Modeling carbon
sequestration under zero tillage at the regional scale. II. The effect of
crop rotation and soil type. Ecol. Model. 220:3372-2279. http://dx.doi.org/10.1016/j.ecolmodel.2009.08.001 Srivastava, A., Kaninnkpo,
C., Gaiser, T. (2009):
Response of lowland rice to bunding and fertilization
at different slope positions. Agric. J. 4:226-230.
http://dx.doi.org/10.3923/aj.2009.226.230 Barthel,
R., Sonneveld, B.G.J.S. , Götzinger, J., Keyzer, M.A., Pande, S., Printz,
A., Gaiser, T. (2009): Integrated Assessment of Groundwater Resources in the Barthel, R., Jagelke, J., Götzinger, J. , Gaiser, T. , Printz,
A. (2008): Aspects of
choosing appropriate concepts for modelling groundwater resources in regional
integrated water resources management: Examples from the Neckar ( Srivastava, A., Gaiser, T. (2008): Biomass Production and Partitioning pattern of Yam
(Dioscorea rotundata).
Agric. J. 3:334-337. Gaiser, T., Abdel-Razek, M., Billen,
N., Stahr, K. (2008): Modeling
carbon sequestration under zero tillage at the regional scale. I. The effect
of soil erosion. Ecol. Model. 218:110-120.
http://dx.doi.org/10.1016/j.ecolmodel.2008.06.025 Gaiser, T., A. Printz,
H.G. Schwarz von Raumer, J. Götzinger,
V.A. Dukhovny, R. Barthel, A. Sorokin, A. Tuchin, C. Kiourtsidis, I. Ganoulis, K. Stahr (2008): Development of a regional model for integrated
management of water resources at the basin scale. Physics and Chemistry of
the Earth 33:175-182, http://dx.doi.org/10.1016/ j.pce.2007.04.018 De
Barros, Maurer, T., Herrmann, L., Gaiser, T., Mounkaila, M., Stahr, K. (2006): A mobile wind tunnel for wind erosion field
measurements. J. Arid. Env. 66:257-271. Erkossa, T., Stahr, K., Gaiser, T. (2006): Soil tillage and crop productivity on a Vertisol in Ethiopian highlands. Soil Till. Res.
85:200-211. Erkossa, T., Stahr, K., Gaiser, T. (2005): Effect of different methods of land preparation on
runoff, soil and nutrient losses from a Vertisol in
the Ethiopian highlands. Soil Use and Management 21:253-259. Igué, A.M., Gaiser,T.,
Stahr K. (2004): A Soil and Terrain digital database (SOTER) for improved
land use planning in Igué, A.M., Gaiser,T.,
Stahr, K. (2004): Landscape related variability of physical and chemical
soil characteristics in the Moist Savanna of Benin.
Die Erde
4:220-232. Gaiser, T., de Barros, I., Lange, F.-M., Williams,
J.R. (2004): Water use
efficiency of a maize/cowpea intercrop on highly acidic tropical soils as
affected by liming and fertilizer application. Plant Soil 263:165-171. De Barros, De Barros, Erkossa, T., Stahr, K., Gaiser, T. (2004): Participatory soil quality assessment: The case of
smallholder farmers in Ethiopian highlands. Australian Journal of Soil
Research, 42:1-5. Halm,
D., Gaiser, T., Stahr, K. (2002): Seepage and groundwater
recharge in sandy soils of the semiarid Northeast of Brazil. N. JB. Geol. Paläont. 225(1):85-101. Gaiser,
T., Graef, F. (2001):
Optimisation of a parametric land evaluation method for cowpea and pearl
millet production in semiarid regions. Agronomie 21(8):705-712. De
Barros, Graef, F., Gaiser, T., Herrmann,
L., Frick, T. (2001): Improved targeting of soil and water
conservation measures with the SOTER database in Gaiser,
T., Graef, F., Cordeiro,
J.C. (2000): Water retention characteristics of sandy soils with contrasting
clay mineral composition in semi-arid tropical regions. Australian Journal of
Soil Research 38:523-536. Halm, D., Gaiser, Th., Stahr, K. (1999): Does magnetite influence TDR measurements? (in
German). Z. Pflanzenernähr. Bodenk.
162(6):661-666. Gaiser, T., Bernard, M., Stahr, K., Kang, B.T.
(1998): Nitrogen mineralization and
nitrogen uptake by maize as influenced by light and heavy organic matter
fractions. Z. Pflanzenernähr. Bodenkd. 161(5):555-561. Gaiser, T., Bernard, M., Stahr, K. (1994): Nitrogen and carbon mineralization in cultivated Acrisols and Vertisols in a subhumid tropical climate. Z. Pflanzenernähr. Bodenk. 157:375-381. Stahr, K., Rück, F.,
Gaiser, T. (1994):
Soil Nitrogen - Reserves and mineralization as affected by climate,
soil and landuse. Nova Acta Leopoldina NF 70, Nr. 288, 213-235. |
Books and book chapters
|
Edited books Gaiser, T., Araújo,
J.C., Frischkorn, H., Krol,
M. (2003): Global Change
and Regional Impacts: Water Availability and Vulnerability of Ecosystems and Society
in Semi-Arid Northeast of Gaiser, T. (1993): Bedeutung der organischen
Bodensubstanz für Eigenschaften und Ertragfähigkeit von Vertisolen und
Acrisolen in Süd-Benin (Significance of soil organic matter for properties
and productivity of Vertisols and Acrisols in Southern Benin). PhD thesis,
Hohenheimer Bodenkundliche Hefte, Heft 12. 168 S. Book chapters in text books Gaiser, T. (2002): . International übliche Verfahren
der Bodenbewertung. In: Scheffer F. (ed.): Lehrbuch der Bodenkunde. 15. Aufl.
Kapitel 9.6. Spektrum Akademischer Verlag, Heidelberg, 2002.
S.559-563. Gaiser, T. (2006): Bodenklassifikation. In: Gebhardt,
H., Glaser, R., Radtke U., Reuber P. (eds.): Geographie – Physische Geographie
und Humangeographie, 1. Auflage, Kapitel 11.5. Spektrum Akademischer Verlag,
Heidelberg. 2006. S.380-389. Gaiser, T. (2010): . International übliche Verfahren der
Bodenbewertung. In: Blume, H.-P. et al. (eds.): Lehrbuch der Bodenkunde, 16. Aufl., Kapitel
11.5, Spektrum Akademischer
Verlag, Heidelberg, 2010. S.534-538. Other book chapters Gaiser, T., Oehl,
F., Stahr, K. (1998):
Effect of mulch material from agroforestry trees on nutrient uptake and
nutrient balance of maize. In: Renard,
G., Neef, A., Becker, K. and von Oppen, M. (eds.). Soil fertility management in West African land use
systems. Margraf Verlag, Weikersheim. p.273-280. Herrmann, L., Huwer,
G., Gaiser, T., Stahr, K. (1998): Alternative cropping systems and nutrient cycling of Vertisols in South-Benin. In: Renard, G., Neef, A., Becker,
K. and von Oppen, M. (eds.). Soil fertility management in West African land use
systems. Margraf Verlag, Weikersheim. p.141-146. Gaiser T., Igué A.M., Koch, I., Gaiser, T., Stahr, K. (2000): Possibilities
for improving the phosphorus supply to maize on Acrisols
in southern Würth,
A., Gaiser, T., Stahr, K. (2000): Verification of a production
function for maize in southern Gaiser, T., Graef, F., Hilger, T.H., Ferreira L.G.R., Stahr, K. (2003): An
Information System for Land Resources in Piauí and Ceará. In: Gaiser, T., Araújo,
J.C., Frischkorn, H., Krol,
M. (eds.), Global Change and Regional Impacts: Water Availability and
Vulnerability of Ecosystems and Society in Semi-Arid Northeast of Döll, P., Krol, M., Fuhr, D., Gaiser, T.,
Herfort, J., Höynck, S.,
Jaeger, A., Külls, C., Mendiondo
E.M., Printz A., Voerkelius,
S. (2003): Integrated Scenarios of Regional Development in Ceará and Piauí. In: Gaiser,
T., Araújo, J.C., Frischkorn,
H., Krol, M. (eds.), Global Change and Regional
Impacts: Water Availability and Vulnerability of Ecosystems and Society in
Semi-Arid Northeast of Lange, F.-M., Halm, D., Gaiser, T. (2003): Seepage
and Groundwater Recharge in Sandy/Loamy Chapada
Soils of the Picos Region, Piauí.
In: Gaiser, T., Araújo, J.C., Frischkorn,
H., Krol, M. (eds.), Global Change and Regional
Impacts: Water Availability and Vulnerability of Ecosystems and Society in
Semi-Arid Northeast of Gaiser, T., Ferreira, L.G.R., Stahr, K. (2003): General
view of the WAVES program. In: Gaiser, T., Araújo,
J.C., Frischkorn, H., Krol,
M. (eds.), Global Change and Regional Impacts: Water Availability and
Vulnerability of Ecosystems and Society in Semi-Arid Northeast of Gaiser, T., Goldbach, H., Giertz, S.,
Hiepe, C., Klose, A. (2010): Soils. In: Speth, P., Christoph, M., Diekkrüger, B. (Eds.) Impacts
of Global Change on the Hydrological Cycle in West and Enders, A., Diekkrüger, B., Laudien,
R., Gaiser, T., Bareth, G. (2010): The
IMPETUS Spatial Decision Support Systems. In: Speth,
P., Christoph, M., Diekkrüger, B. (Eds.) Impacts of Global Change on the
Hydrological Cycle in West and Kuhn, A., Heidecke, C., Roth, A.,
Goldbach, H., Burkhardt, J., Linstäter, A., Kemmerling, B., Gaiser, T. (2010): Importance
of resource management for livelihood security under Climate Change in Kuhn, A., Mulindabigwi, V., Janssens, M., Steup, G., Gaiser, T., Goldbach, H.,
Gruber, I., Gandonou, E. (2010): Impacts of Global Change on
food security in Gaiser, T., Stahr, K. (2013): Soil
organic carbon, soil formation and soil fertility. In. Lorenz, K., Lal, R.
(eds.): Ecosystem services and carbon sequestration in the biosphere.
Springer, Heidelberg, Germany. (accepted) |
Other
journals
Worou, O. N., Gaiser , T.,
Igue, A. M., Gbemavo, C. & Sinsin, B. A. (2017). Responses of Upland NERICA
Rice to Fertiliser Application and Fallow Management
in Different Agro-Ecological Zones of Benin Republic. European Scientific
Journal 13(27): 152-170.
Coulibaly, P. J. A., Okae-Anti, D., Ouattara, B.,
Gaiser, T. & Sedogo, M. P. (2017). Effect of two watering systems onsorghum productivity in Burkina Faso, West Africa. International Journal of
Innovation and Applied Studies 19(4): 806-812.
Oga, C. A., Igué, A. M.,
Webber, H., Saïdou, A., Olodo, E. & Gaiser, T.
(2015). Effect of Two
Types of Tillage and N-Fertilization on Cotton Root Biomass in the Watershed of
Ouri-Yori (Municipality of Materi).
Journal of Agriculture and Environmental Sciences 4(2): 1-13.
Tahiru, F., Fosu, M., Gaiser, T., Becker, M., Inusah,
B. I. Y., Mutari, S. S. J., Buah, A., Atakora, W. K. & Mohammed, A. M.
(2015). Fertilizer and
Genotype Effects on Maize Production on Two Soils in the Northern Region of
Ghana. Sustainable Agriculture Research 4(4): 76-79.
Trawally, D., Webber, H.A., Agyare, W.A., Fosu, M.,
Naab, J., Gaiser, T. (2015): Modelling heat stress effect on two maize varieties in Northern Region of
Ghana. Global Advanced Research Journal of Agricultural Science 4: 145-155
Worou, O.N., Gaiser, T., Oikeh,
S., Naab, J. (2015): Sensitive parameters for EPIC model evaluation and validity under soil
water and nutrients limited conditions with NERICA cropping in West Africa. African Journal of Agricultural Research 10
Igué,
A.M., Houndagba, C.J., Gaiser, T., Stahr, K. (2012):
Accuracy of the Land Use/Cover classification in the Oueme
Basin of Benin (
Nuga,
B.O., Akinbola, G.E., Olanrewaju,
L., Gaiser, T., and Herrmann, L. (2006): Production of the 1:350 000
scale digital geologic map of the old
Lawal, O., Gaiser, T., Nuga, B. (2006): Estimation of potential soil losses on a regional
scale: a case study of Abomey-Bohicon Region,
Contributions to
conferences
|
Gaiser, T. and Stahr, K. (1991): Bedeutung des Humusgehaltes für
die Pflanzenernährung in den subhumiden
Tropen (Significance of soil organic matter for
plant nutrition in the subhumid tropics). Mitteilungen. Dtsch. Bodenkundl. Gesellsch. 66(II):623-626. Gaiser, T., Stahr, K. and Kang,
B.T. (1992): Mulching
effect on P-uptake by maize in a Ferrali-Haplic Nitosol in the subhumid
tropics. Proceedings of the Forth Conference of the World Phosphate
Institute, 8-11 September 1992, Ghent, Belgium, pp.610-612. Gaiser, T., Bernard, M. and Stahr,
K. (1993): Vergleich der C- und N-Mineralisierung
in Ferrali-Haplic Acrisolen
und Stagni-Eutric Vertisolen
unter Feld- und Laborbedingungen
(Comparison of C and N mineralisation in Ferrali-Haplic Acrisols and Stagni-Eutric Vertisols in the
field and in the laboratory). Mitteilungen.
Dtsch. Bodenkundl. Gesellsch. 72 (1):699-702. Gaiser, T. and Stahr, K. (1993): Bedeutung der leichten Fraktion der organischen
Bodensubstanz für die Stickstoffmineralisierung und die Ertragfähigkeit eines
Ferrali-Haplic Acrisol (Significance of the light organic matter fraction for
nitrogen mineralization and fertility of a Ferrali-Haplic Acrisol).
Mitteilungen. Dtsch. Bodenkundl. Gesellsch. 71:243-246. Hebel, A., Gaiser, T., Stahr, K. and
Nachtergaele, F.O. (1994): Land
use and management requirements in relation to FAO topsoil types. Proceedings of the 15th World Congress of Soil
Science, Gaiser, T. and Hilger,
T.H. (1997): Simulation der Ertragsbildung von Trockenreis
auf stark verwitterten tropischen
Böden (Simulation of yield performance of upland
rice on highly weathered tropical soils). Mitteilungen Dtsch. Bodenkundl. Gesell. 85(II):891-894. Halm, D., Gaiser, T. and Stahr, K.
(1997): Meßwertkorrektur und Kalibrierung von
TDR-Sonden in Abhängigkeit von der Bodenart und der Lagerungsdichte
(Correction of soil moisture measurements and calibration of TDR probes in
relation to texture and bulk density). Mitteilungen Dtsch. Bodenkundl. Gesell. 85(I):93-96. Gaiser, T. and Stahr, K. (1998): Testing a minimum data set of crop requirements as
a basis for land evaluation. In:
Technischer Fortschritt im Spannungsfeld von Ernährungssicherung und
Ressourcenschutz. Tagungsband Tropentag 1997. Volume 2. Universität
Hohenheim. pp.1-6. Gaiser, T., Stahr, K. and Kang,
B.T. (1998): Mulching effect
on soil nitrification and K uptake of maize in a tropical Acrisol.
Proceedings of the 16th World Congress of Soil Science. Gaiser, T., Marohn,
C., Bach, B. and Stahr, K. (1999):
Standortsbewertung im
semi-ariden Nordosten Brasiliens (Land evaluation in the semiarid Northeast of
Brazil). Mitteilungen Dtsch. Bodenkundl. Gesell. 91(2):981-984. Gaiser, T., Fadegnon,
B., Cretenet, M. and Gaborel,
C. (1999): Long-term
Experiments on a Tropical Acrisol: Evolution of
Soil Properties and Maize Yield. In:
Merbach, W. und Körschens, M., Dauerdüngungsversuche als Grundlage für
nachhaltige Landnutzung und Quantifizierung von Stoffkreisläufen.
Umweltforschungszentrum Leipzig-Halle GmbH, UFZ Bericht 24:153-156. Güntner, A., Bronstert, A. and Gaiser, Th. (1999): Parameterization of lateral
hydrological processes based in geomorphologic units. In: IUGG 99, XXII
General Assembly of the International Union of Geodesy and Geophysics, Halm, D., Gaiser, T. and Stahr, K. (1999): Soil water
balance modeling in the semiarid Northeast of Brazil. Mitteilungen Dtsch. Bodenkundl. Gesell. 91(1):161-163 Koch, I., Gaiser, T. and Stahr, K. (1999): Möglichkeiten
zur Verbesserung der P-Versorgung bei Mais auf Acrisolen in Süd-Benin. (Alternatives to improve P-supply to maize on Acrisols in Barros de, Ferreira, L.G.R.,
Saboya, M.F. and Gaiser, T. (2000): Testing of the mathematical model EPIC
for Cowpea (Vigna unguiculata
(L.) Walp) and Lettuce (Lactuva
sativa) in the semi-arid Northeast of Brazil. In: Printz,
A. (ed.), Proceedings of the III. International WAVES Workshop in Freising-Weihenstephan. Technische
Universität München, Institut
für Landschaftsökologie. pp. 50-54. Gaiser, T.,
Ferreira, L.G.R., Hilger, T.H., Römheld,
V. and Stahr, K. (2000): The land resources information system SPICE as a
tool for integration of the results of the research area
"Agroecosystems". In: Printz, A. (ed.),
Proceedings of the III. International WAVES Workshop in Freising-Weihenstephan.
Technische Universität München,
Institut für Landschaftsökologie.
pp. 46-49. Gaiser, T., Hilger,
T.H., Ferreira, L.G.R., Herfort, J., Barros, I. and
Stahr, K. (2000) :
The soil and terrain information system SPICE for estimating yield potentials
at a regional scale in the states of Piauí and Cearà ( Gaiser, T., Zellhuber, A. and Mörtl, S. (2000): GIS-gestützte
Zuordnung von Landnutzungs- und Bodenmustern als Grundlage für die
Regionalplanung im Nordosten Brasiliens. In: International Agricultural
Research - A Contribution to Crisis Prevention. Deutscher
Tropentag on October 11-12, 2000 in Hohenheim.
Universität Hohenheim, Tropenzentrum.
CD-ROM. Hilger, T. H., Herfort, J., de
Barros, I., Gaiser, T., Saboya, L.M.F., Ferreira, L.G.R. and Leihner, D.E. (2000): Potential of EPIC for Crop Growth Simulation in Semiarid
Environments of NE Brazil. In: International Agricultural Research - A
Contribution to Crisis Prevention. Deutscher
Tropentag on October 11-12, 2000 in Hohenheim. Universität
Hohenheim, Tropenzentrum.
CD-ROM. Hilger, T.H., Gaiser, T., Herfort,
J., Ferreira, L.G.R., Leihner, D. E. (2000): Calibration of EPIC for simulation of crop growth
in NE-Brazil. In: Knowledge Partnership: Challenges and perspectives for
research and education at the turn of the millenium.
Deutscher Tropentag on 14/15 October
1999 in Berlin. Humboldt Universität zu Berlin, Fachgebiet Tierzucht in den
Tropen und Subtropen. Igué, A.M., Gaiser, T. and Stahr, K. (2000): The impact of climate
variability on crop production in Central-Benin. In: International Agricultural
Research - A Contribution to Crisis Prevention. Deutscher
Tropentag on October 11-12, 2000 in Hohenheim. Universität
Hohenheim, Tropenzentrum. CD-ROM. Gaiser, T. and Stahr K. (2001): Bodeninformationssysteme zur
Bereitstellung von Bodeninformation auf verschiedenen Maßstabsebenen - eine
Fallstudie aus Nordost-Brasilien. Mitteilungen Dtsch. Bodenkundl. Gesell.,
96(2):497-498. Lange, F.- M., Gaiser, T. and Stahr, K. (2001): Vergleichende
Bodenfeuchtemessungen mit TDR-Sonden auf natürlichen und landwirtschaftlich
genutzten Standorten in der Mikroregion Picos/Piaui im semiariden Nordosten
Brasiliens zur Validierung eines lokalen Wasserhaushaltsmodells. Mitteilungen Dtsch.
Bodenkundl. Gesell., 96(1):101-102. Gaiser, T.,
Ferreira, L.G.R. and Stahr, K. (2002): Potential applications of the soil and
terrain information system SPICE in soil degradation risk assessment. In:
Embrapa Solos, Sociedade Brasileira
de Ciência do Solo, Proceedings of the Third
International Conference on Land Degradation, 17-21, September, 2001, Rio de
Janeiro. CD-ROM. Ferreira, L.G.R., Gaiser, T. and
Stahr, K. (2002): The WAVES Program:
Conception, Results and Perspectives. Proceedings of the German-Brazilian
Workshop on Neotropical Ecosystems, 3-8 September 2000 at Herrmann, L., Graef, F., Igue,
M., Weller, U., Gaiser, T., Hammel, K. and Stahr, K. (2002): SOTER
as a tool for land use planning - Experiences in Igué,
A.M., Stahr, K. and Gaiser, T. (2002): Medium scale land
evaluation application of SOTER in Gaiser, T.,
Lange, F.-M. and de Barros, Ferreira,
L.G.R., Gaiser, T. and Stahr, K. (2002): The WAVES Program:
Conception, Results and Perspectives. In: Lieberei, R., Bianchi, H.-K., Boehm, V., Reisdorff, C., (eds.):
Neotropical Ecosystems. Proceedings of the German – Brazilian
Workshop, Hamburg 2000. Gaiser,
T. and Hauschild, M. (2002):
Cooperative Research in the Area of Water Resources and Water
Management between Halm,
D., Gaiser, T. and Stahr, K. (2002): Soil Water Balance as
Limiting Factor for Land-use in the Semi-arid Picos-Region,
Piauí, NE-Brazil. In: Lieberei, R., Bianchi, H.-K., Boehm, V., Reisdorff,
C., (eds.): Neotropical Ecosystems. Proceedings of the German –
Brazilian Workshop, Hamburg 2000. Gaiser,
T., Ferreira, L. C. G., Hilger, T., de Barros, I.
and Stahr, K. (2002): SPICE – A Land Resources Information
System for the States of Ceará and Piauí. In:
Lieberei, R., Bianchi, H.-K., Boehm, V., Reisdorff, C., (eds.): Neotropical
Ecosystems. Proceedings of the German – Brazilian Workshop, Hamburg
2000. De
Barros, Herfort, J., Hilger,
T.H., Gaiser, T., de Barros, I., Saboya, L. M. F., Ferreira, L. G. R. and Leihner, D. E. (2002): Adaption of the
Crop Growth Models EPIC and Almanac to Local Cowpea and Maize Cropping
Systems in Hilger, T.H., Herfort,
J., de Barros, I., Gaiser, T. Saboya, L. M. F., Ferreira, L. G. R. and Leihner, D. E. (2002): Potential of EPIC
and ALMANAC to Estimate Crop Yields Under Erratic Rainfall in Saboya,
L.M.F., Ferreira, L.G.R., Gaiser, T.(2002): Sensitivity of EPIC
simulations of biomass and yield of Cowpea to physiological parametrization. In: Lieberei, R., Bianchi, H.-K., Boehm, V., Reisdorff,
C., (eds.): Neotropical Ecosystems. Proceedings of the German –
Brazilian Workshop, Hamburg 2000. Graff,
L., de Barros, I., Gaiser, T., Römheld, V. and Runjanek, N (2002): Root Colonization and
Biological Nitrogen Fixation of Cowpea (Vigna unguiculata) Inoculated with Rhizobia Strains on an Alumi-Haplic Acrisol in Gaiser, T. & Stahr, K. (2003): Integrierte
Modellierung von Flusseinzugsgebieten zur Entwicklung von Strategien für den
nachhaltigen Gewässerschutz. Mitteilungen Dtsch. Bodenkundl.
Gesell., 102(2): 767-768. Gaiser,
T., Mounkaila, M., Maurer, T. and Herrmann, L.
(2003): A
land resource database for the Lange, F.-M., Gaiser, T. and Stahr, K.
(2003): Vergleichende Bodenwasserdynamik
unterschiedlicher Mais-/Bohnen-Mischkulturen in der Region Picos/Piauí
(Nordostbrasilien). Mitteil.
Dt. Bodenkundl. Gesell. 102(2):363. Mounkaila, M., Herrmann, L., Maurer, T., Gaiser, T. and
Stahr, K. (2003): Spectral
and mineralogical properties of potential dust sources on a transect from
Sahara to Sahel in Herrmann, L., Gaiser, T., Zarei,
M., Maurer, T., Mounkaila, M. and K. Stahr (2003):
Mineral dust emission and its properties at the soil-atmosphere interface:
medium term variations and future changes. German Climate Research Programme, Statusseminar 2003.
DLR Projektträger Umweltforschung, Bonn. Germany. p. 421-422. Maurer, Th., Herrmann, L., Gaiser, T., Mounkaila, M.
and Stahr, K. (2003):
Konzeption und Einsatz eines portablen Windtunnels zur Erfassung des
Staubemissionspotentials von Bodenoberflächen im Sahelgebiet. Mittlg. Dt. Bodenkundl.
Ges. 112: 783-784. Olanrewaju, L., Gaiser, T.
and Stahr K. (2004):
Effect of Land Use Changes on Sediment Load in the Herrmann, L., U. Weller, F. Graef,
M. Igue, T. Gaiser, K. Hammel & K. Stahr (2004): SOTER application for land use planning - Experiences and
future applications. Pp.
131-141 in: H. Eswaran et al. (Eds.) Innovative Techniques
in Soil Survey "Developing the foundation for a new generation of soil
resource inventories and their utilization". Land Development
Department, Chattuchak, Gaiser, T., Maurer, T., Mounkaila,
M. and Herrmann, L. (2004): Comparison of different upscaling approaches
for soil information and their effects on the estimation of regional water
and wind erosion potentials. Proceedings of the European Soil Science Society
Conference 2004, Stahr, K., Gaiser, T. and Yuan, G. (2004):
Soils of the Manas He river catchment with special
focus on salinisation. In: Sun, G et al. : Paleontology, geological evolution and environmental
changes in Xinjiang, Chinas. Proceedings of Sino-German Symposium at Gaiser, T. and Dukhovny, V.
(2004): Integrated scenarios for strategic planing
of water resources in river basins - experiences from tropical and
subtropical regions. International conference on Integrated water
resources management in tropical river basins. 4-6 October 2004, Maurer, T., L. Herrmann, T. Gaiser & M. Mounkaila (2004): Measurement and
regionalization of wind erosion susceptibilities of Sahelian
surfaces. Proceedings of the European Soil Science Society Conference 2004, Mounkaila, M.
L. Herrmann, T. Gaiser & T. Maurer (2004): Spectral
and mineralogical properties of potential dust sources on a transect from
Sahara to Sahel in Gaiser, T., Weippert, H. und
Stahr, K. (2005): Problems related to the upscaling of an agroecosystem modell in the Erkossa, T., Stahr, K., Gaiser, T. (2005):
Runoff and soil erosion from Vertisol in the Hoghlands of Ethiopia as affected by land preparation
methods. Mitteil. Dt. Bodenkundl.
Gesell. 107(2):605-606. Weippert, H., Gaiser, T. and Stahr, K. (2005): Disaggregation of soil information as contribution
to integrated water management in the Mounkaila, M., Herrmann, L., Gaiser, T., Maurer, T. and
Stahr, K. (2005): Characterisation of soil/sediment surfaces in the arid
and sem-arid zones by means of remote sensing. Mitteil. Dt. Bodenkundl. Gesell. 107(1):381-382. Mounkaila, M., Herrmann, L., Gaiser, T.,
Maurer, T. and Stahr. K (2005): Characterization
of soil/sediment surfaces in the arid and semi-arid zones by means of remote
sensing. Diskussionsforum Bodenwissenschaften
6: 43-45. Maurer, T., Herrmann, L., Gaiser, T.,
Mounkaila, M., Stahr, K. (2005): Regionalisation of wind erosion potentials in Sahelian SW-Niger. Mitteil. Dt. Bodenkundl.
Gesell. 107(2): 613-614. Igue, A.M., Maier, R., Gaiser, T., Stahr, K. (2005): Land
Evaluation of Cotton Production in the Azokan's
Catchment in the Moist Barthel, R., Jagelke, J., Nickel,
D., Wolf, J., Rojanschi, V., Trifkovic,
A., Meleg, A., Braun, J., Mauser,
W. und T. Gaiser (2005): Comparison of tools for integrated
assessment and management of groundwater resources in different river basins
with special regard to sustainability. Geophysical Research Abstracts,
European Geosciences Azarmdel,
H., Ownegh, M., Mikaeili,
A.R., Gaiser, T. and Ghangharmeh, A.A. (2006) :
Measuring land use sustainability in the Southeast Caspian Sea Coastal zone, Golestan province, Gaiser, T., Lange, F.-M., Weippert,
H., Henseler, M. und Stahr, K. (2006): Umweltauswirkungen der GAP-Reform – Das
Landressourcen-Informationssystem SLISYS ermöglicht Prognosen zur
Stickstoffauswaschung im Neckareinzugsgebiet. Tagungsband der Fachtagung
Bodenmärkte, Juni 2006, Stuttgart. Umweltministerium Baden-Württemberg. Printz, A., Gaiser, T., Schwarz von Raumer, H.-G.,
Stahr, K., Götzinger, J., Jagelke, J., Henseler, M.,Yang, W., R. Barthel,
Schneider, M., Lange, F.-M. (2006):
Überblick über die Szenarienbildung und Einführung in die integrierte
Modellierung (2006) . Fachtagung „Zukunftsperspektiven für ein integriertes
Wasserressourcen-Management im Einzugsgebiet Neckars“, 18.7.2006, Universität
Hohenheim. S. 10-18. Gaiser, T., Lange, F.-M., Weippert, H., Henseler, M.
und Stahr, K.
(2006): Grundwasserbelastungen durch Nitrat -
Einfluss der GAP Reform. In: Regierungspräsidium Stuttgart (Hrsg.),
Zukunftsperspektiven für ein integriertes Wasserressourcen-Management im
Einzugsgebiet Neckars, Tagungsdokumentation, 18.7.2006, Stuttgart-Hohenheim.
Regierungspräsidium Stuttgart, Stuttgart, Deutschland. S. 49-54. Gaiser, T. und Stahr, K. (2006): Einführung in das Projekt RIVERTWIN. In: Regierungspräsidium Stuttgart (Hrsg.),
Zukunftsperspektiven für ein integriertes Wasserressourcen-Management im
Einzugsgebiet Neckars, Tagungsdokumentation, 18.7.2006, Stuttgart-Hohenheim. Regierungspräsidium Stuttgart,
Stuttgart, Deutschland. S. 12-17. Gaiser, T., Printz, A. and Stahr,
K. (2006): RIVERTWIN – development of a regional model for integrated
management of water resources. In: Beyond the River – Sharing Benefits and Responsabilities, Stockholm International Water
Institute, World Water Week August 20-26, 2006, Stockholm, Sweden. p.
155-156. Gaiser, T., Weippert, H., Igue, A.M. and
Stahr, K. (2006): Application of the land resources information
system SLISYS in the Oueme Igue, A.M., Houndagba, C.J., Gaiser, T. and
Stahr, K. (2006): Land Use/Cover Map and its Accuracy in the Stahr, K., Gaiser, T., Printz, A., Schneider, M. und
Lange, F.-M. (2006): Ein Forschungsprojekt zur integrierten
Bewirtschaftung von Flusseinzugsgebieten - RIVERTWIN. In: Wasser- und
Bodentage, Tagung des DWA-Hauptauschusses “Gewässer und Boden”,
25./26.10.2006, Feuchtwangen. Gaiser,
T. and Stahr, K. (2006):
A land resources information system to asses soil losses by water and wind
erosion at the basin scale. Terrestrial Environmental evolution in Chinese
basins. First symposium of the Sino-German Group of Paleontology and
Geosciences, 28/10-1/11/2006, Frankfurt a.M., Eitel, B., Gaiser, T., Thein,
J., Schiedeck, T. (2006): Environmental changes and
groundwater problems in NW China. Terrestrial Environmental evolution in
Chinese basins. First symposium of the Sino-German Group of Paleontology and
Geosciences, 28/10-1/11/2006, Frankfurt a.M., Barthel, R., Wolf, J., Jagelke, J.,
Rojanschi, V., Mauser, W., Gaiser, T., Braun, J. (2006): Großskalige Grundwasserströmungsmodelle als
Bestandteil integrierter Flussgebietsmanagementsysteme am Beispiel Neckar und
Obere Donau. - Hydrogeologie und Umwelt Heft 33, 26 S., 12 Abb., 6 Tabellen,
Würzburg (accepted). Gaiser, T. , A.Printz, H.-G. Schwarz
von Raumer, M. Schneider, J. Götzinger, F.-M. Lange, R. Barthel, M. Henseler,
A. Bárdossy, G. Kaule and K. Stahr (2006): Das EU-Projekt RIVERTWIN-Neckar: Ein Beitrag zum
integrierten Flussgebietsmanagement. In: Arbeitskreis KLIWA,
Klimaveränderungen und Konsequenzen für die Wasserwirtschaft, KLIWA Berichte
10:199-210. http://www.kliwa.de/download/KLIWAHeft10.pdf. Igué,
A.M., Worou, R., Houndagba, C.J., Gaiser, T. and
Stahr, K. (2007): Dynamic of Land Use/Cover in the protected forest of Toui-Kilibo in the Collines
Department ( Barthel, R., Jagelke, J., Gaiser,
T., Sonneveld, B., Printz, A. and Götzinger, J. (2007) Integrated
Assessment of Groundwater Resources in the Gaiser, T., Igue, M.A., Weippert, H.,
Stahr, K. (2007): Bedeutung der Bodenverbreitung
in Bodengesellschaften mittelmaßstäbiger Bodenkarten für die regionale
Ertragsabschätzung mit Simulationsmodellen. Mitteil. Dt. Bodenkundl. Gesell.
110:455-456. Billen, N, Röder, C., Chen, H., Gaiser, T. (2007): Messung und Simulation der klimawirksamen C-Anreicherung in Böden durch extensivierte Bewirtschaftung Mitteil. Dt. Bodenkundl. Gesell. 110:671-672 Frauenknecht, H., Gaiser, T., Stahr, K. (2007): Einfluss der Bodenheterogenität auf den landwirtschaftlichen Ertrag infolge von Überstauereignissen. Mitteil. Dt. Bodenkundl. Gesell. 110:589-590. Maurer, T., Hermann, L., Mounkaila,
M., Gaiser, T., Stahr, K. (2007): Winderosionspotential in Abhängigkeit von Eigenschaften natürlicher
semi-arider Oberfrlächen. Mitteil.
Dt. Bodenkundl. Gesell. 110:697-698. Gaiser, T., Stahr, K., Printz,
A., Dukhovny, V. (2007):
Development of a Regional Model Integrating Land and Water Management -
Achievements and Lessons Learnt. In: Tielkes, E., Utilisation of diversity in
land use systems: Sustainable and organic approaches to meet human needs. Book of Abstracts, Tropentag
2007, Cuvillier Verlag, Göttingen. http://www.tropentag.de/2007/proceedings/node373.html#8052 Gaiser, T., Henseler, M., Zardava, K., Kiourtsidis, C., Ganoulis, J., Printz, A. and Krimly, T. (2007): Estimating the effects of
the EU Common Agricultural Policy on ground and surface water quality: A case
study in the Gaiser, T, Paeth, H., Giertz, S.,
Kuhn, A., Thamm, H.-P., Gruber, I., Röhrig, J.. Steup,
G., Hiepe, C., Heuer,
K.-O., Srivastava, A., Menz, G., Heckelei, T., Diekkrüger, B., Goldbach, H.
(2008): Integration of biophysical and economic models into a
decision support framework for sustainable food production and natural
resource management in Goldbach, H., Heckelei, T., Kuhn, A., Heidecke,
C., Abdel-Razek, M., Gresens, F., Roth, A., Gaiser,
T., Kirscht, H. (2008): Agricultural production and income
security under increasing water uncertainty in the Drâa
valley. In: Vielhauer, K. et al., Proceedings of
the International Conference “Global Change and Water Resources in West
Africa”, Goldbach, H., Heckelei, T., Kuhn, A., Heidecke,
C., Abdel-Razek, M., Gresens, F., Roth, A. and
Gaiser, T. (2008): Water demand, land use and income security under
conditions of global change in the South of Morocco. In: Vielhauer,
K. et al., Proceedings of the International Conference “Global Change and
Water Resources in West Africa”, Gaiser, T., Paeth, H., Giertz,
S., Kuhn, A., Thamm, H.-P., Gruber, I., Röhrig, J.,
Steup, G., Hiepe, C., Heuer,
K.-O., Srivastava, A. and Goldbach, H. (2008):
Food security in Benin: Development of decision support systems at
different spatial scales. In: Vielhauer, K. et al.,
Proceedings of the international Conference “Global Change and Water
Resources in West Africa”, Vashev,
B., Gaiser, T., Sharma, S.-K., Dagar, J.-C., Singh,
G. and Stahr, K. (2008): Biomass
production potential on the salt affected soils of Vashev, B., Gaiser, T., Dagar, J.C., Singh, G. and Stahr, K. (2008): Biomass
production potential on saline and sodic soils in South-West Asia. In: Blum, W.H., Gerzabek, M.H., Vodrazka, M. (Eds.) Eurosoil 2008.
http://www.ecsss.net/web/MDB/media_folder/39_abstracts.pdf Mulindabigwi,
V., Gaiser , T. (eds.) (2009): Concepts et outils pour une gestion durable des
ressources en eau. Book of abstracts, International Conference, Röhrig, J., Gaiser, T., Hiepe, C., Laudien, R., Menz, G. (2009): L'impact des changements climatiques
sur les conditions biophysiques de l'utilisation des terres agricoles au
Bénin. In : Mulindabigwi, V., Gaiser , T.
(eds.), Concepts et outils pour une gestion durable
des ressources en eau. Book of abstracts, International Conference, Sintondji, L., Gaiser, T., Hiepe, C., Giertz, S.,
Diekkrüger, B. , Enders, A., Goldbach, H. (2009): Scénarios futurs et leurs
impacts sur la sécurité alimentaire et sur les ressources naturelles au Bénin.
In : Mulindabigwi, V., Gaiser , T. (eds.), Concepts et outils pour une gestion durable des
ressources en eau. Book of abstracts, International Conference, Kuhn, A., Gaiser, T., Gandonou, E. (2009) : L’impact des technologies d’amélioration de la fertilité
des sols sur les rendements, l’offre agricole et l’utilisation des
ressources. In : Mulindabigwi, V., Gaiser , T.
(eds.), Concepts et outils pour une gestion durable
des ressources en eau. Book of abstracts, International Conference, Steup, G., Gbaguidi,
F., Sintondji, L., Gaiser, T. (2009): Investigations sur les
bas-fonds dans la Haute Vallée de l’Ouémé. In : Mulindabigwi,
V., Gaiser , T. (eds.), Concepts et outils pour une
gestion durable des ressources en eau. Book of abstracts,
International Conference, Gaiser, T., Kuhn, K., Enders, A.,
Gandonou, E., Judex, M., Hiepe,
C., Diekkrüger, B. (2009): L’utilisation d’engrais peut améliorer la sécurité
alimentaire et la stabilité des revenus agricoles au Bénin. In : Mulindabigwi, V.,
Gaiser , T. (eds.), Concepts et outils pour une
gestion durable des ressources en eau. Book of abstracts, International
Conference, Gaiser, T, Paeth, H., Giertz, S., Kuhn, A., Thamm,
H.-P., Judex, M., Gruber, I., Röhrig, J., Steup,
G., Hiepe, C., Heuer,
K.-O., Srivastava, A., Goldbach, H. (2009): Sécurité alimentaire au Bénin:
Développement des systèmes de support à la prise de décision sur différentes
échelles spatiales. In : Mulindabigwi, V.,
Gaiser , T. (eds.), Concepts et outils pour une
gestion durable des ressources en eau. Book of abstracts,
International Conference, Srivastava, A, Kanninkpo, C.,
Gaiser, T. (2009): Reducing the effect of iron toxicity in lowland rice
through bunding and fertilizer application. The
Proceedings of the International Plant Nutrition Colloquium XVI. Paper
1053. http://repositories.cdlib.org/ipnc/xvi/1053 Gaiser,
T., Igue, A.M., Bakara, H., Sereke,
F., Lange, F.-M., Stahr, K. (2009): Comparison of climate
effects on crop productivity in Central Europe and Gaiser, T., Enders, A. Diekkrüger, B. (2009): Development of an Efficient Framework for Implementing Spatial Decision Support Systems in the GLOWA IMPETUS Project. In: Entscheidungsunterstützungssysteme und Datengrundlagen im Kontext von IWRM. Umweltforschungszentrum Leipzig, 18-19/5/2009, Book of Abstracts, p. 3. http://www.wasserressourcen-management.de/_media/IWRM_Themenworkshop_DSS_Abstractband.pdf Ahamidé, B., Gaiser, T., Agbossou,
E., Printz, A. Götzinger,
J., Hounsou, M. (2009) : Scénarios intégrés pour la planification
stratégique des ressources en eau dans le bassin de l’Ouémé. In :
Global Change in Igue, A.M., Gaiser, T, Weippert, H.,
Stahr, K. (2009) : Estimation of diffuse pollution with the soil and
land information system SLISYS in the Oueme and Gandonou, E, Gaiser, T., Kuhn, A. (2009): Effects of tax
exemption on fertiliser use in Srivastava, A., Dagbenonbakin, G.D.,
Gaiser, T. (2009): Effect of fertilization on Yam (Dioscorea
rotundata) biomass production. In : Global
Change in Bakara, H., Billen, N., Gaiser, T.,
Stahr, K. (2009): Regionale
GIS-gestützte ökologische Bewertung des Energiepflanzenanbaus in
Baden-Württemberg mit Hilfe des Landnutzungsinformationssystems SLISYS-BW. In: DBG (ed.), Böden eine endliche Ressource. Proceedings of the annual
meeting of the German Soil Science Society, Billen, N., Othmanli, H., Konold, A.,
Angenendt, E., Bakara, H., Gaiser, T., Stahr, K. (2009): Wirkungen eines umweltgerechten Energiepflanzenanbaus
auf Boden, Umwelt und Wirtschaftlichkeit: Möglichkeiten und Grenzen der
Modellierung von Szenarien. In:
DBG (ed.), Böden eine endliche Ressource. Proceedings
of the annual meeting of the German Soil Science Society, Vashev,
B., Gaiser, T., Mandal, A.K., Stahr, K. (2009): Verbreitung
und Biomasseerzeugungspotential von salzbeeinflussten Böden in Indien. In:
DBG (ed.), Böden eine endliche Ressource. Proceedings of the annual meeting
of the German Soil Science Society, Worou, N., Gaiser, T., Oikey, S.,
Goldbach, H. (2010): Model Comparison for Simulating Upland
Rice Production in Small-holder Farming Systems in Abdel-Razek, M., Gaiser, T., Diekkrüger, B., Goldbach, H.
(2010): Salinity Development During Three Decades in the Oasis of Ktoua, Gaiser, T., Judex, M., Igue,
A.M., Hiepe, C. (2011):
Impact of Reduced Fallow Availability on Crop Yields in Low Input Cropping
Systems in Worou, N., Gaiser, T., Goldbach, H. (2011):
Lowland Rice Growth and Productivity as Related to Landscape Position, Bunding and Fertiliser Application. Proceedings of the
International Conference “Development on the margin”, October 2011, Abdel-Razek, M., Gaiser, T., Diekkrüger, B, Goldbach, H.
(2011): Mitigation of Global Climate Change and Water Scarcity
Impacts on Agriculture in Draa Oases, South Gaiser, T., Perkons, U., Puschmann,
D.U., Peth, S., Kautz, T., Pfeifer, J., Ewert, F., Horn R., Köpke, U. (2011): Erhöhter Wasserentzug aus dem Unterboden durch Sommerweizen
nach einer Luzernevorfrucht. Proceedings of the bi-annual meeting of
the German Soil Science Society, 3-9 September 2011, Vashev, B.; Inwersen, J.; Rathore, S.;
Gaiser, T., Stahr, K. (2011):
Abschätzung der elektrischen Leitfähigkeit im Sättigungsextrakt (ELe) aus der
Leitfähigkeit der Boden-Wassersuspension (EL1:2) für versalzte Böden aus
Südasien. Proceedings of the bi-annual meeting of the German Soil
Science Society, 3-9 September 2011, Ramarohetra, J., Sultan, B., Baron, C., Gaiser, T., Gosset, M., Alcoba, M. (2012): To
what extend can satellite rainfall estimates be used for crop yield
prediction ? 4th international Conference on African Monsoon
Multidisciplinary Analyses (AMMA), July 2-6, 2012, Abdel-Razek, M. Gaiser, T., Diekkrüger, B., Goldbach, H.
(2012): Triticum aestivum Yield and Water-Use Efficiency in the Draâ Oases at South East Morocco: Irrigation and
N-fertilizer Effects. Proceedings of the International Conference “Resilience
of agricultural systems against crises”, 19-21 September 2012, Göttingen.
http://www.tropentag.de/2012/abstracts/links/Abdel-Razek_CTpGDT0j.pdf. Gaiser, T., Vanderborght, J., Javaux,
M., Ewert, F. (2012): Modelling phosphorus acquisition from
the sub-soil for different crops with specific consideration of bio-pores.
Proceedings of the European Soil Science Conference, 2-7 July 2012, |