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Plant productivity and soil nitrogen as a function of grazing, migration and fire in an African savanna |
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| Authors: | RICARDO M. HOLDO,ROBERT D. HOLT,MICHAEL B. COUGHENOUR, MARK E. RITCHIE&dagger |
| Affiliation: | Department of Zoology, University of Florida, Gainesville, FL 32611–8525, USA, Natural Resources Ecology Laboratory, Colorado State University, Fort Collins, CO 80523–1499, USA, and;Department of Biology, Syracuse University, Syracuse, NY 13244, USA |
| Abstract: | |
| Keywords: | fire effects fire–herbivore interactions grazing optimization migratory ungulates nitrogen loss nutrient cycling primary productivity Serengeti spatial subsidies wildebeest |