Department: ZEF C


Le, Q.B, Park, S.J., Vlek, P.L.G. and Cremers, A.B..  2008.  Land-Use Dynamic Simulator (LUDAS): A multi-agent system model for simulating spatio-temporal dynamics of coupled human-landscape system. I. Structure and theoretical specification.  Ecological Informatics, 3 (2)   : 135-153   . Further Information
Manschadi, AM., GL. Hammer, JT. Christopher and P. deVoil.  2008.  Genotypic variation in seedling root architectural traits and implications for drought adaptation in wheat (Triticum aestivum L.).  Pland and Soil, 303   : 115-129   .
Marx, A., H. Kunstmann, Schüttemeyer, D. & A.F. Moene.  2008.  Uncertainty analysis for satellite derived sensible heat fluxes and scintillometer measurements over Savannah environment and comparison to mesoscale meteorological simulation results.  Agricultural and Forest Meteorology , 148(4)   : 656   . Further Information
Mdemu, M.V., C. Rodgers, P.L.G. Vlek and J.J. Bogardi.  2008.  Water productivity (WP) in reservoir irrigated schemes in the upper east region (UER) of Ghana.  Physics and Chemistry of the Earth, 34   : 9   .
Mfundisi, K.B.  2008.  Soil fertility in wetland versus reclaimed land using plant parameters in relation to nitrogen content: The case of Yala Swamp, Western Kenya.  Scientific Research and Essays, 3 (7)   : 287-293   .
Mfundisi, K.B., R. Thobosi, B. Mosepele.  2008.  A Rapid Assessment of Macroinvertebrates Associated with Salvinia molesta In Moremi Game Reserve, Okavango Delta.  Tropical Freshwater Biology, 17 (1)   : 13-23   . Further Information
Oltchev, A., A. Ibrom, T. Ross, U. Falk, G. Rakkibu, K. Radler, S. Grote, H. Kreilein and G. Gravenhorst.  2008.  A modelling approach for simulation of water and carbon dioxide exchange between multi-species tropical rain forest and the atmosphere.  Ecological Modelling , 10.021   .
Reuter, M., H. Tiessen, J.J. Jimenez Osornio, J. Pohlan and P.L.G. Vlek.  2008.  Establishment of Cordia dodecandra A.DC. with Bixa orellana L. on calcareous soils in Yucatán, Mexico.  Advances in Agroforestry, 4   : 195   .
Rudenko, I., Grote, U. and Lamers, J.P.A..  2008.  Using a Value Chain Approach for Economic and Environmental Impact Assessment of Cotton Production in Uzbekistan.  In: J. Qi and T. Evered (eds.): Environmental Problems of Central Asia and Their Economic, Social and Security Impacts. Proceedings of the NATO advanced research workshop on environmental problems of Central Asia and their Economic, Social and Security impacts. Tashkent, Uzbekistan. Springer, AK/NATO .   361-380.  Further Information
Rudenko, I., Grote, U., Lamers, J.P.A. and Martius, Ch..  2008.  Wert schöpfen, Wasser sparen. Effizienzsteigerung im usbekischen Baumwollsektor.  In: Sapper, M. and V. Weichsel (eds.): Grünbuch. Politische Ökologie im Osten Europas. Osteuropa, Berlin .   407-418.  Further Information
Ruecker, G., A. Brunner, S. Park and P.L.G. Vlek.  2008.  Assessment of soil redistribution on two contrasting hillslopes in Uganda using Caesium-137 modelling.  Erdkunde - Archive for Scientific geography, 62:3   : 18-45   .
Scheer, C., R. Wassmann, K. Kienzler, N. Ibragimov, R. Eshchanov.  2008.  Nitrous oxide emissions from fertilized, irrigated cotton (Gossypium hirsutum L) in the Aral Sea Basin, Uzbekistan: Influence of nitrogen applications and irrigation practices.  Soil Biology & Biochemistry, 40   : 290-301   . Download [DOC | 334.50KB]
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Scheer, C., Wassmann, R., Kienzler, K., Ibragimov, N., Lamers, J.P.A., Martius, Ch..  2008.  Methane and nitrous oxide fluxes in annual and perennial land use systems of the irrigated areas in the Aral Sea Basin.  Global Change Biology, 14   : 2454-2468; DOI: 10.1111/j.1365-2486.2008.01631.x.   . Further Information
Sommer R., K. Kienzler, C. Conrad, N. Ibragimov, J. Lamers, C. Martius and P. Vlek.  2008.  Evaluation of the CropSyst model for simulating the potential yield of cotton.  Agronomy for Sustainable Development, 28:2   : 345   .
Tadesse, D., T. Woldemariam and F. Senbeta.  2008.  Deforestation of Afromontane rainforests in Ethiopia.  In: Ilya B. Sanchez and Carl L. Alonso (eds.): Deforestation Research Progress. Nova Science .   19-39. 
Tesfahunegn, B. G. and C. S. Wortmann.  2008.  Tie-ridge Tillage for High Altitude Pulse Production in Northern Ethiopia.  American Agronomy Journal, 100 (2)   : 447-453   .
Vlek, P.L.G.  2008.  The incipient threat of land degradation.  Journal of the Indian Society of Soil Science, 56:1   : 1-13   .
Vlek, P.L.G., D. Hillel and A.K. Braimoh.  2008.  Soil degradation under irrigation..  In: A.K. Braimoh and P.L.G. Vlek (eds.): Land Use and Soil Resources. Springer Science 7 Business Media B.V. Dordrecht.   101-119. 
Wagner S., Kunstmann H., and Bárdossy A..  2008.  Propagation of precipitation uncertainties in water balance estimations..  Geophysical Research Abstracts, 10; EGU2008-A-03785   .
Wagner, S., Kunstmann, H., Bárdossy, A., Conrad, C., & Colditz, R. R.  2008.  Water balance estimations of poorly gauged catchments in West Africa using dynamical downscaling of meteorological fields and remote sensing information.  Physics and Chemistry of the Earth, doi:10.1016/j.pce.2008.04.002   .
Wickel, Á.J., N. C. van de Giesen, T. D. d. A. Sá.  2008.  Stormflow generation in two headwater catchments in eastern Amazonia, Brazil.  Hydrological Processes, 22 (17)   : 3285-3293   . Further Information


Agyare, W.A., S.J. Park and P.L.G. Vlek.  2007.  Artificial neural network estimation of saturated hydraulic conductivity.  Vadoze Zone Journal, 6   : 423-431   .
Amisigo, B. A., N. van de Giesen, et al..  2007.  Monthly Streamflow Prediction in the Volta Basin of West Africa: A SISO NARMAX Polynomial Modeling.  Physics and Chemistry of the Earth, . Further Information
Amisigo, B.A., van de Giesen, N., & Andah, W.E.I.  2007.  A Hybrid Metric-Conceptual (HMC) Model for Monthly Riverflow Prediction in the semi-arid Volta Basin of West Africa.  . Further Information
Andrén, O., Kihara, J., Bationo, A., Vanlauwe, B. and T Kätterer.  2007.  Soil Climate and Decomposer Activity in Sub-Saharan Africa Estimated from Standard Weather Station Data: A Simple Climate Index for Soil Carbon Balance Calculations.  AMBIO: A Journal of the Human Environment, Vol 35 (5)   : 379–386   . Download [PDF | 331.89KB]
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Anhar, A., Sommer, R., Becker, M. and P.L.G. Vlek.  2007.  The isotope 15N enrichment technique to measure the biological nitrogen fixation in cacao agroforestry system in Central Sulawesi Indonesia.  Agrista, : 54-59   .
Bagayoko F., N.C.van de Giesen, S.Yonkeu and J.Elbers.  2007.  Energy partitioning over the West African savanna: Multi-year evaporation and surface conductance measurements Eastern Burkina Faso.  Journal of hydrology, 334: 545-559   . Further Information
Bagayoko, F., S.Yonkeu, J.Elbers and N. van de Giesen.  2007.  Energy partitioning over the West African savanna: Multi-year evaporation and surface conductance measurements in Eastern Burkina Faso.  Journal of Hydrology, 334   : 545-559   .
Bationo, A., Waswa, B., Kihara, J. and Kimetu, J. (Editors).  2007.  Advances in integrated soil fertility management in sub Saharan Africa: challenges and opportunities.  Springer London, Limited. UK. Further Information
Begdullayeva, T., H. M. Ibragimov, and Lamers, J.P.A..  2007.  Types of Sorghum in Karalpakstan: Salinity Tolerance, Salinity Accumulation and Productivity.  FAN Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan.
Begdullayeva, T., K.M. Kienzler, E. Kan, N. Ibragimov, and J.P.A Lamers.  2007.  Response of Sorghum bicolor varieties to soil salinity for feed and food production in Karakalpakstan, Uzbekistan.  Irrigation and Drainage Systems, 21   : 237-250   . Further Information
Braimoh, A.K. and P.L.G. Vlek.  2007.  Land Use and Soil Resources.  Springer, ISBN: 978-1-4020-6777-8. Download [DOC]
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Denich, M..  2007.  Biologische Vielfalt in Afrika - Das Beispiel Wildkaffee in Äthiopien.  forum der unesco-projekt-schulen, Heft 1-2/2007   : 34-41   .
Feitosa F.F., Câmara G., Monteiro A.M.V., Koschitzki T., Silva M.P.S.  2007.  Global and Local Spatial Indices of Urban Segregation.  International Journal of Geographical Information Science, 21   : 299-323   . Download [PDF | 883.67KB]
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Fosu, M., R. Kühne and P. Vlek.  2007.  Mineralization, N release and microbial biomass dynamics during the decomposition of Sunn hemp, Devil bean, Calopogonium and Mucuna.  Journal of Biological Sciences, 7 (4)   : 632-637   . Download [PDF | 405.75KB]
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Gole, T.W. and F. Senbeta.  2007.  Forest coffee production: resource base, management practices and contribution to biodiversity conservation.  In: T.W. Gole and N. Aklilu (eds.): Proceedings of the public meetings on Non-timber forest products (NTFPs) of Ethiopia: a win-win strategy for poverty alleviation and natural resource conservation. Forum for Environment.   52-61. 
Hafeez M.M., B.A.M. Bouman, N. Van De Giesen, S. Mushtaq, P.L.G. Vlek and S. Khan.  2007.  Water re-use and cost-benefit of pumping at different spatial levels in a rice irrigation system in UPRIIS, Philippines.  Journal of Physics and Chemistry of the Earth, 33   : 115-126   .
Hafeez M.M., B.A.S. Bouman, N. Van De Giesen, and P.L.G. Vlek.  2007.  Scale effects on water use and water productivity in a rice-based irrigation system (UPRIIS) in the Philippines.  Journal of Agricultural Water Management, 92   : 81-89   .
Hafeez, M., M. Andreini, J. Liebe, J. Friesen, A. Marx and N. Van De Giesen.  2007.  Hydrological Parameterization through Remote Sensing in Volta Basin, West Africa.  Journal of River Basin Management, Vol. 5, No. 1   : 49–56   .
Ibrakhimov M., A. Khamzina , I. Forkutsa, G. Paluasheva, J.P.A. Lamers, B. Tischbein, P.L.G. Vlek and C. Martius..  2007.  Groundwater table and salinity: Spatial and temporal distribution and influence on soil salinization in Khorezm region (Uzbekistan, Aral Sea Basin).  Irrigation and Drainage Systems, 21 (3/4)   : 219-236   . Further Information