Elephants and Savanna Woodland Ecosystems: A Study from by Christina Skarpe, Johan T. du Toit, Stein R. Moe
By Christina Skarpe, Johan T. du Toit, Stein R. Moe
During the 19th century, ivory looking brought on a considerable reduce of elephant numbers in southern Africa. quickly after that, populations of many different huge and medium-sized herbivores went into steep decline as a result of rinderpest pandemic within the Eighteen Nineties. those occasions supplied a chance for wooded area institution in components formerly intensively used by elephants and different herbivores. The go back of elephants to at present safe components in their former diversity has significantly motivated crops in the community and the ensuing capability unwanted effects on biodiversity are inflicting obstacle between stakeholders, managers, and scientists.
This publication makes a speciality of the ecological results of the expanding elephant inhabitants in northern Botswana, offering the significance of the elephants for the heterogeneity of the process, and exhibiting that elephant ecology comprises a lot wider spatiotemporal scales than used to be formerly concept. Drawing at the result of their learn, the authors speak about elephant-caused results on crops in nutrient-rich and nutrient-poor savannas, and the aptitude pageant among elephants at the one hand and browsers and combined feeders at the other.
Ultimately this article presents a complete assessment of ecological strategies in African savannas, protecting long term environment adjustments and human-wildlife conflicts. It summarises new wisdom at the ecology of the sub-humid African savanna ecosystems to strengthen the final useful knowing of savanna ecosystems across moisture and nutrient gradients.
Read or Download Elephants and Savanna Woodland Ecosystems: A Study from Chobe National Park, Botswana PDF
Similar mammals books
Crimson Panda: Biology and Conservation of the 1st Panda offers a broad-based evaluate of the biology of the purple panda, Ailurus fulgens. A carnivore that feeds nearly solely on vegetable fabric and is coloured chestnut pink, chocolate brown and cream instead of the predicted black and white. This e-book gathers the entire info that's on hand at the pink panda either from the sector and captivity in addition to from cultural facets, and makes an attempt to respond to that the majority basic of questions, "What is a crimson panda?
Zoos, aquaria, and natural world parks are important facilities of animal conservation and administration. for almost fifteen years, those associations have depended on Wild Mammals in Captivity because the crucial reference for his or her paintings. Now the publication reemerges in a very up to date moment variation. Wild Mammals in Captivity provides the most up-tp-date considering and perform within the care and administration of untamed mammals in zoos and different associations.
The vintage literature on predation dealt nearly solely with solitary predators and their prey. Going again to Lotka-Volterra and optimum foraging idea, the speculation approximately predation, together with predator-prey inhabitants dynamics, used to be built for solitary species. a variety of results of sociality for predators were thought of just recently.
This quantity offers a transparent and targeted roadmap of the way to layout and execute a gene treatment scan on the way to receive constant effects. Chapters during this publication disseminate bits of unknown info which are vital to think about throughout the process experimentation and may resolution questions corresponding to: What supply motor vehicle do you employ?
- The chicken whisperer's guide to keeping chickens : everything you need to know-- and didn't know you needed to know about backyard and urban chickens
- Between Species: Celebrating the Dolphin-Human Bond
- Endogenous Stem Cell-Based Brain Remodeling in Mammals
- Bears: Without Fear
- PCR Primer Design
Additional resources for Elephants and Savanna Woodland Ecosystems: A Study from Chobe National Park, Botswana
1) that supports herbaceous vegetation, palatable woody plants, and ultimately the impressive herbivore biomass of the ecosystem. To summarize, elephants dominate the biomass of large herbivores in northern Botswana just as predicted by Bell (1982) for dystrophic savannas, but not because they consume the abundant low quality woody vegetation of the Kalahari sand woodlands. Rather, they focus their feeding on comparatively fertile patches and zones within the folds of the landscape, where they graze when green grass is available and then selectively browse on fast growing and palatable woody plants in the dry season.
1982) The likelihood of active groundwater recharge in the Botswana Kalahari. Journal of Hydrology 55, 113–136. J. T. (2008) Grazers and browsers in a changing world. J. T. ) The Ecology of Grazing and Browsing. Springer Verlag, Berlin, pp. 309–322. E. D. (2009) A disease-mediated trophic cascade in the Serengeti and its implications for ecosystem C. PLoS Biology 7(9), e1000210. 1000210. , Kampunzu, H. & Vanderpost, C. (2006) Use of the geochemical and biological sedimentary record in establishing palaeo-environments and climate change in the Lake Ngami basin, NW Botswana.
Savannas are characterised by an often grass dominated field layer vegetation and a more or less prominent woody component. 5 million years. From about this time grasses with C4 photosynthesis are known to have spread in Africa, coincident with rapid speciation among ungulates, including the appearance of the first specialised grazers (Janis, 2008), and a mammalian fauna resembling that of present day African savannas. These savannas today constitute three separate but contiguous regional centres of plant endemism (White, 1983).