期刊
FOLIA PRIMATOLOGICA
卷 85, 期 4, 页码 228-243出版社
KARGER
DOI: 10.1159/000363408
关键词
Clidemia hirta; Primate; Gut passage time; Local dispersal; Forest regeneration; Tropical forest; Red-ruffed lemur
类别
资金
- Fulbright Fellowship
- Margot Marsh Biodiversity Foundation
- Minnesota Zoo Ulysses S. Seal Conservation Fund
- Primate Action Fund
- University of Minnesota Graduate School
- University of Minnesota Graduate Program in Conservation Biology
- University of Minnesota Interdisciplinary Center for the Study of Global Change
- Idea Wild Foundation
- Rice University
- Philanthropic Educational Organization
- The Leakey Foundation
- Schlumberger Foundation
Frugivorous primates can play a critical role in the regeneration of degraded habitats by dispersing seeds of their food plants. We studied the diet and seed dispersal patterns of 3 groups of habituated red-ruffed lemurs (Varecia rubra) in a rain forest restoration site in Masoala National Park, Madagascar, to assess the species' seed dispersal effectiveness. Fruits accounted for 61% of the diet, with an average foraging time of 10 min per fruit patch per day. Seeds from 75% of the consumed fruit species were recovered in the collected V. rubra feces. We traced the potential parent plants of 20 dispersed-seed species to calculate a gut passage range (63-423 min; mean = 225, n = 35). The median seed dispersal distance from the potential parent plant was 48 m (mean = 83 m, range 0-568 m, n = 194). The home ranges of 2 of the 3 groups overlapped with the regenerating forest parcels. Although 92% of fecal samples with seeds were dispersed into the undisturbed forest, V. rubra fed on the fruits of the non-native pioneer shrub Clidemia hirta, while also dispersing native and non-native seed species into the regenerating forest parcels. (C) 2014 S. Karger AG, Basel
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