Gaiser, Dr. Thomas

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Fachgebiete: Bodenkunde, Geologie

Adresse

E-Mail: tgaiser@uni-bonn.de

Wissenschaftlicher Mitarbeiter
Universität Bonn
Katzenburgweg 5
D-53115 Bonn

Tel: 0228 73 2050
Fax:
Web: http://www.lap.uni-bonn.de/mitarbeiter/dr.-thomas-gaiser

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Privat:






Thematische Schwerpunkte

· 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
· Modelling water and wind erosion
· Usage of spatial databases for upscaling of agroecosystem models in Europe, South America, Subsahran Africa, and Central Asia
· Organic matter, nitrogen turnover and carbon fluxes at different scales

Geographische Schwerpunkte

Brazil
West Africa

Geburtsdatum, -ort

Beruflicher Werdegang

Mitglied in wissenschaftlichen Vereinigungen

Gesprochene Sprachen

German
English
French
Portugese

Gelesene Sprachen

German
English
French
Portugese
Spanish

Lehrtätigkeit

·University of Hohenheim: Water and Soil as Resources, Tropical Soils and Land Evaluation, Spatial Data Analysis and GIS, Field Excercise in Soil Science, International Excursion on Soils and Land Evaluationin South-West Germany
·University of Tuebingen: Master Course Tropical Hydrology, Introduction into Soil Science at the Centre for Applied Geosciences (ZAG)
·University of Stuttgart: Introduction into Soil Science
·Universidade Federal do Ceara: Modelling Agroecosystems
·University of Bonn: Modelling Agroecosystems

Betreute Arbeiten

Laufende Forschungsprojekte

Biosaline Agroforestry (http://www.oasefoundation.eu/project/67)
Abschätzung der Produktionspotenziale für den Anbau von Energiepflanzen in Baden-Württemberg und deren ökologische und ökonomische Bewertung
Crop sequence and nutrient acquisition from the subsoil (http://www.for1320.uni-bonn.de/)
Integrated Water Management in the Agricultural Sector in Ktoua Oasis, Draâ Basin, South Morocco
Auswirkungen von Klimaveränderungen auf die Pflanzenproduktion in Nordrhein-Westfalen
Land vulnerability and land suitability analysis in Northern Vietnam (https://www.uni-hohenheim.de/sfb564/project_area_b/b4/b4_outline.php)
West African Science Service Center on Climate and Adapted Land Use (WASCAL)

Koop. mit ibero-amerikanischen Institutionen

Universidade Federal do Ceara
Universidade Federal do Piaui
Fundacao Cearense de Meteorologia e Recursos Hidricos

Beratungstätigkeit/Arbeit in Gremien

·Reviewer in different scientific journals (Plant and Soil, Computers and Electronics in Agriculture, Journal of Plant Nutrition and Soil Science, Environmental Management, Catena, Journal of Hydrolgy, Transactions of the American Society of Agric. and Biol. Engineers, Atmosphere, Journal of Atmospheric Sciences)
·Evaluator of the European Commmission within the 6th Framework Programme
·External evaluator of the Center for Development Research (CIRAD), Montpellier

Publikationen (Auswahl)

Schriftenreihen


Periodika


Monographien

  • (Mithg.) Global Change and Regional Impacts: Water Availability and Vulnerability of Ecosystems and Society in Semi-Arid Northeast of Brazil. Heidelberg: Springer Verlag 2003, 428 S. (zus. mit J.C. Araújo, H. Frischkorn, M. Krol). 2003


Aufsätze

  • Srivastava, A., Dagbenonbakin, G., Gaiser, T. (2010): Effect of fertilization on Yam (Dioscorea rotundata) biomass production. J. Plant Nutr. 33: 1056-1065.
  • Srivastava, A., Gaiser , T. (2010): Simulating biomass accumulation and yield of yam (Dioscorea alata) in the Upper Ouémé Basin (Benin Republic) – I. Compilation of physiological parameters and calibration at the field scale. Field Crops Research 116:23-29. http://dx.doi.org/10.1016/j.fcr.2009.10.018
  • Gaiser, T., Hiepe, C., Judex, M., Kuhn, A. (2010): Importance of fallow availability for simulation of biomass production at the regional scale. Agric. Syst., 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 Benin by Linking Biophysical and Economic Models. Agric. Syst. 103:509-520.
  • Srivastava, A., Kaninnkpo, C., Gaiser, T. (2010): Response of lowland rice to bunding and fertilization at different slope positions. Agricultural Journal (accepted)
  • Billen, N., Röder, C., Gaiser, T. and 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
  • Gaiser, T., De Barros, I., Sereke, F., Lange, F.-M. (2009): Validation and reliability of the EPIC model to simulate maize production in small-holder farming systems in tropical sub-humid West Africa and semi-arid Brazil. Agric. Ecosyst. Environ 135:318-327.
  • 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 (Germany) and Oueme catchment (Benin). Physics and Chemistry of the Earth 33:92-114.
  • Barthel, R., Sonneveld, B.G.J.S. , Götzinger, J., Keyzer, M.A., Pande, S., Printz, A. and Gaiser, T. (2009): Integrated Assessment of Groundwater Resources in the Ouémé Basin, Benin, West Africa. Physics and Chemistry of the Earth, 34:236-250. http://dx.doi.org/10.1016/j.pce.2008.04.001
  • Srivastava, A., Gaiser, T. (2008): Biomass Production and Partitioning pattern of Yam (Dioscorea rotundata). Agricultural Journal 3:334-337.
  • Gaiser, T., Abdel-Razek, M., Billen, N. and 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 and 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, I., Gaiser, T., Lange, F.-M. and Römheld, V. (2007): Mineral nutrition and water use patterns of a maize/cowpea intercrop on a highly acidic soil of the tropic semi-arid. Field Crops Research 101:26-36
  • Maurer, T., Herrmann, L., Gaiser, T., Mounkaila, M. and Stahr, K. (2006): A mobile wind tunnel for wind erosion field measurements. J. Arid. Env. 66:257-271. Erkossa, T., Stahr, K. and Gaiser, T. (2006): Soil tillage and crop productivity on a Vertisol in Ethiopian highlands. Soil and Tillage Research 85:200-211.
  • Lawal, O., Gaiser, T. and Nuga, B. (2006): Estimation of potential soil losses on a regional scale: a case study of Abomey-Bohicon Region, Benin Republic. Agricultural Journal 2(1):1-8.
  • Erkossa, T., Stahr, K. and 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. and Stahr K. (2004): A Soil and Terrain digital database (SOTER) for improved land use planning in Central Benin. Europ. J. Agron. 21(1):41-52.
  • Igué, A.M., Gaiser,T. and Stahr, K. (2004): Landscape related variability of physical and chemical soil characteristics in the Moist Savanna of Benin. Die Erde 4/2003 :220-232.
  • Gaiser, T., de Barros, I., Lange, F.-M. and 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 and Soil 263(1):165-171.
  • De Barros, I., Williams, J.R. and Gaiser, T. (2004): Modelling soil nutrient limitations to crop production in semiarid NE of Brazil with a modified EPIC Version. I – Changes in the source code of the model. Ecological Modeling 178:441-456.
  • De Barros, I., Williams, J.R. and Gaiser, T. (2004): Modelling soil nutrient limitations to crop production in semiarid NE of Brazil with a modified EPIC Version. II – Field test of the model. Ecological Modeling 181:567-580.
  • Erkossa, T., Stahr, K. and Gaiser, T. (2004): Participatory soil quality assessment: The case of smallholder farmers in Ethiopian highlands. Australian Journal of Soil Research, 42:1-5.
  • General view of the WAVES program, in: T. Gaiser, J.C. Araújo, H. Frischkorn, M. Krol (Hg.), Global Change and Regional Impacts: Water Availability and Vulnerability of Ecosystems and Society in Semi-Arid Northeast of Brazil. Heidelberg: Springer Verlag 2002, S. 1-16 (zus. mit L.G.R. Ferreira, K. Stahr). 2002
  • An Information System for Land Resources in Piauí and Ceará, in: T. Gaiser, J.C. Araújo, H. Frischkorn, M. Krol (Hg.), Global Change and Regional Impacts: Water Availability and Vulnerability of Ecosystems and Society in Semi-Arid Northeast of Brazil. Heidelberg: Springer Verlag 2002, S. 267-278 (zus. mit F. Graef, T.H. Hilger, L.G.R. Ferreira, K. Stahr). 2002
  • Seepage and groundwater recharge in sandy soils of the semiarid Northeast of Brazil. N. JB. Geol. Paläont. 225(2002)1, S. 85-101 (zus. mit D. Halm, K. Stahr). 2002
  • Optimisation of a parametric land evaluation method for cowpea and pearl millet production in semiarid regions, in: Agronomie 21(2001)8, S. 705-712 (zus. mit F. Graef.). 2001
  • SPICE - A Land Resources Information System for the States of Ceará and Piauí, in: R. Lieberei, H.-K. Bianchi, V. Boehm, C. Reisdorff (Hg.), Neotropical Ecosystems. Proceedings of the German - Brazilian Workshop, Hamburg 2000. GKSS-Geesthacht, Germany 2002, S. 795-802 (zus. mit L. C. G. Ferreira, T. Hilger, I. de Barros, K. Stahr). 2002
  • Simulation of biomass production and soil water dynamics on highly weathered, acidic Acrisols with the EPICSEAR model. In. Deininger, A. (ed.), Challenges to Organic Farming and Sustainable Land Use in the Tropics and Subtropics. International Research on Food Security, Natural Resource Management and Rural Development. Deutscher Tropentag 2002. Kassel University Press GmbH, Germany 2002, Online. (zus. mit F.-M. Lange, I. de Barros). 2002 http://www.tropentag.de/2002/abstracts/full/82.pdf
  • 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 2002. CD-ROM (zus. mit L.G.R. Ferreira, K. Stahr). 2002
  • Bodeninformationssysteme zur Bereitstellung von Bodeninformation auf verschiedenen Maßstabsebenen - eine Fallstudie aus Nordost-Brasilien, in: Mitteilungen Dtsch. Bodenkundl. Gesell. 96(2001)2, S. 497-498 (zus. mit K. Stahr). 2001
  • 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 2000, CD-ROM. (zus. mit A. Zellhuber, S. Mörtl). 2000
  • The soil and terrain information system SPICE for estimating yield potentials at a regional scale in the states of Piauí and Cearà (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. Berlin, Germany 2000, CD-Rom (zus. mit T.H. Hilger, L.G.R. Ferreira, J. Herfort, I. Barros, and K. Stahr). 2000
  • Standortsbewertung im semi-ariden Nordosten Brasiliens (Land evaluation in the semiarid Northeast of Brazil), in: Mitteilungen Dtsch. Bodenkundl. Gesell. 91(1999)2, S. 981-984 (zus. mit C. Marohn, B. Bach, K. Stahr). 1999
  • Simulation der Ertragsbildung von Trockenreis auf stark verwitterten tropischen Böden (Simulation of yield performance of upland rice on highly weathered tropical soils), in: Mitteilungen Dtsch. Bodenkundl. Gesell. 85(II) (1997), S. 891-894 (zus. mit T.H. Hilger). 1997




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Letzte Aktualisierung: 15.04.2009