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- Title
The contribution of community-based conservation models to conserving large herbivore populations.
- Authors
Kiffner, Christian; Foley, Charles A. H.; Lee, Derek E.; Bond, Monica L.; Kioko, John; Kissui, Bernard M.; Lobora, Alex L.; Foley, Lara S.; Nelson, Fred
- Abstract
In East Africa, community-based conservation models (CBCMs) have been established to support the conservation of wildlife in fragmented landscapes like the Tarangire Ecosystem, Tanzania. To assess how different management approaches maintained large herbivore populations, we conducted line distance surveys and estimated seasonal densities of elephant, giraffe, zebra, and wildebeest in six management units, including three CBCMs, two national parks (positive controls), and one area with little conservation interventions (negative control). Using a Monte-Carlo approach to propagate uncertainties from the density estimates and trend analysis, we analyzed the resulting time series (2011–2019). Densities of the target species were consistently low in the site with little conservation interventions. In contrast, densities of zebra and wildebeest in CBCMs were similar to national parks, providing evidence that CBCMs contributed to the stabilization of these migratory populations in the central part of the ecosystem. CBCMs also supported giraffe and elephant densities similar to those found in national parks. In contrast, the functional connectivity of Lake Manyara National Park has not been augmented by CBCMs. Our analysis suggests that CBCMs can effectively conserve large herbivores, and that maintaining connectivity through CBCMs should be prioritized.
- Subjects
TANZANIA; EAST Africa; WILDLIFE conservation; FRAGMENTED landscapes; HERBIVORES; NATIONAL parks &; reserves; FUNCTIONAL connectivity
- Publication
Scientific Reports, 2024, Vol 14, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-024-66517-9