Sengupta, Asmita and Gazagne, Eva and Albert‐Daviaud, Aurelie and Tsuji, Yamato and Radhakrishna, Sindhu (2020) Reliability of Macaques as Seed Dispersers. American Journal of Primatology, 82 (5). ISSN 1098-2345
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| Abstract: | Seed dispersal is an ecological process crucial for forest regeneration and recruitment. To date, most studies on frugivore seed dispersal have used the seed dispersal effectiveness framework and have documented seed‐handling mechanisms, dispersal distances and the effect of seed handling on germination. In contrast, there has been no exploration of “disperser reliability” which is essential to determine if a frugivore is an effective disperser only in particular regions/years/seasons or across a range of spatio‐temporal scales. In this paper, we propose a practical framework to assess the spatial reliability of frugivores as seed dispersers. We suggest that a frugivore genus would be a reliable disperser of certain plant families/genera if: (a) fruits of these plant families/genera are represented in the diets of most of the species of that frugivore, (b) these are consumed by the frugivore genus across different kinds of habitats, and (c) these fruits feature among the yearly staples and preferred fruits in the diets of the frugivore genus. Using this framework, we reviewed frugivory by the genus Macaca across Asia to assess its spatial reliability as seed dispersers. We found that the macaques dispersed the seeds of 11 plant families and five plant genera including at least 82 species across habitats. Differences in fruit consumption/preference between different groups of macaques were driven by variation in plant community composition across habitats. We posit that it is essential to maintain viable populations of macaques across their range and keep human interventions at a minimum to ensure that they continue to reliably disperse the seeds of a broad range of plant species in the Anthropocene. We further suggest that this framework be used for assessing the spatial reliability of other taxonomic groups as seed dispersers. |
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| Item Type: | Journal Paper |
| Subjects: | Programmes > Animal Behaviour and Cognition School of Natural and Engineering Sciences > Animal Behaviour School of Natural and Engineering Sciences > Ecology |
| Divisions: | Schools > Natural Sciences and Engineering |
| Date Deposited: | 21 May 2020 10:21 |
| Last Modified: | 21 May 2020 10:21 |
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| Funders: | UNSPECIFIED |
| Projects: | UNSPECIFIED |
| DOI: | https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajp.23115 |
| URI: | http://eprints.nias.res.in/id/eprint/1905 |
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