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Grassland ecophysiology, carbon sequestration potential, management, and climate change adaptation

Grassland systems across different continents face a multitude of common problems; however, site specific or regional components such as e.g. the respective ecosystem's grazing history are also important and, thus, require system-specific approaches. The grassland systems under study on the different continents have similarities and also differences with regard to factors that determine their management and use. The pressure on natural grasslands is constantly increasing through population growth and associated encroachment of agriculture and increasing demand for food and raw materials.

Funds

Projects

Savanna - “Underutilized or unprotected? New methods for analyzing diverging perspectives on the large-scale conversion of tropical grassland eco-systems” University of Hohenheim - 2015-2019

LiveCarbon - Livelihood diversifying potential of livestock based carbon sequestration options in pastoral and agro pastoral systems in Africa - BMZ 2011 - 2014

GrassRemote - Combining grass management and animal behavior to develop cost‐effective and sustainable grazing management strategies - Center for Agriclture in the Tropics and Subtropics - University of Hohenheim - 2012-2015

Carbon and water dynamics in Grasslands

PhD

 People

Benjamin Warth
funded by the Anton und Petra Ehrmann Research Training Group: Water-People-Agriculture

Sarah Glatzle
funded by the Anton und Petra Ehrmann Research Training Group: Water-People-Agriculture

Jan Pfister
 

Ditmar Kurz
"Management of excess standing biomass in Argentinean grasslands to increase grass and livestock productivity" - PhD Thesis, University of Hohenheim, 2016
funded by the Food Security Center, University Hohenheim and the Foundation fiat-panis

MSc

 

Effect of vegetation density on grazing behavior of free-ranging cattle in grasslands of Northeast Argentina
Master of Science Thesis, Cecilia Molo [Argentina]

Effects of repeated bunch grazing on fodder quality and species composition of Argentinean pastures
Master of Science Thesis, Saskia Windisch [Germany]

Effects of  leaf area dynamics on the micro climate in semi-arid grasslands
Master of Science Thesis, Bosco Kidake [Kenya]

"Diurnal responses in carbon assimilation of grassland species to micro-climate".
Master of Science Thesis, Christina Seckinger [Germany]

"Effects of vegetation type on carbon sequestration in semi-arid Ethiopian Savannahs"
Master of Science Thesis, Beatrice Breuer [Germany]

"Effects of water availability on carbon sequestration in semi-arid Ethiopian Savannahs"
Master of Science Thesis, Sarah Glatzle [Germany]

"Effects of management practices on carbon sequestration in semi-arid Ethiopian Savannahs"
Master of Science Thesis, Lena Rathjen [Germany]

"Relationship between vegetation cover and soil carbon in Northern Kenyan grasslands"
Master of Science Thesis, Barnabas Kurgat [Kenya]

"Monitoring the encroachment of Northern Argentinean grasslands by invasive species using NDVI"
Master of Science Thesis, Ruben Gonzales [Argentina]

"Adaptation mechanisms of Leymus chinensis to grazing and salt-alkali stress"
Master of Science Thesis, Yanhua Wang [China]

 BSc

 

Einfluss abiotischer Stressfaktoren auf das Blattwachstum bei Panicum maximum
Bachelor of Science Thesis, Sophia Bothe [Germany]

Auswirkungen von hoch-intensiv Beweidung auf die Bodenwasserdynamik in Nord-Argentinischen Grasländern.
Bachelor of Science Thesis, Rabea Mächtel [Germany]

"Transpirationsdynamik von Steppengräsern nach Trockenstress"
Bachelor of Science Thesis, Caroline Weiler [Germany]

Paper

Publications

Kisambo, B. K., Pfister, J., Schaffert, A., Asch, F. 2016
Leaf area dynamics and aboveground biomass of specific vegetation types of a semi-arid grassland in southern Ethiopia. Tropical and Subtropical Agroecosystems 19, 253-262.

Kurtz, D. B., Asch, F., Giese, M., Huelsebusch, C., Goldfarb, M. C., Casco, J. F., 2016
High impact grazing as a management tool to optimize biomass growth in northern Argentinean grassland. Ecological Indicators 63, 100-109.

Diabate, B., Gao, Y., Li, Y., Wang, C., Sun, B., Asch, F., Zhou, D., 2015
Associations Between Species Distribution Patterns and Soil Salinity in the Songnen Grassland. Arid Land Research and Management 29, 199-209.

Kurgat, B. K., Golicha, D., Giese, M., Kuria, S. G., Asch, F. 2014
Relationship between vegetation cover types and soil organic carbon in the rangelands of Northern Kenya. Livestock Research for Rural Development. Volume 26 (9), Article #162.

 

Poster