Journal
GLOBAL ECOLOGY AND CONSERVATION
Volume 26, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.gecco.2020.e01422
Keywords
Ecotourism; Feeding sites; Population subdivision; Genetic diversity; Endangered species; Rhinopithecus bieti
Categories
Funding
- GDRI EHEDE - CNRS
- Yunnan University of Finance and Economics
- National Natural Science Foundation of China [31470461]
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The development of ecotourism may lead to subpopulations of wildlife becoming genetically structured and experiencing reduced genetic diversity, highlighting the need to strike a balance between conservation and tourism.
Ecotourism is increasing worldwide for financial, educational and social purposes. Organized viewing of wildlife, especially at feeding sites where wildlife is ready-to-view, increases the opportunities for tourists to observe animals in the wild. However, feeding sites might retain only a subsample of wild populations. We thus hypothesized that such human intervention could induce population subdivisions and alter random mating by artificially creating small groups. The endangered Yunnan snub-nosed monkey (Rhinopi-thecus bieti) is an emblematic example reflecting the contradictions between conservation and ecotourism. In Gehuaqing/Xiangguqing (Yunnan, China), some individuals are maintained at feeding sites, while the rest of the monkey subpopulation wanders in a large surrounding area. Using faecal sampling and molecular analyses, we showed that this subpopulation is genetically structured into two moderately differentiated subgroups. The fed subgroup exhibited lower genetic diversity and higher relatedness than the rest of the subpopulation. Simulation model results indicated that a single translocation probably would not restore genetic diversity in fed individuals. Thus, feeding sites implementation and associated management practices might rapidly induce founder effects. We discuss the possibilities of conciliating ecotourism and the conservation of endangered animal species from this viewpoint. (c) 2021 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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