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Human impact erodes chimpanzee behavioral diversity

Kuehl, HS; Boesch, C; Kulik, L; Haas, F; Arandjelovic, M; Dieguez, P; Bocksberger, G; ... Kalan, AK; + view all (2019) Human impact erodes chimpanzee behavioral diversity. Science , 363 (6434) pp. 1453-1455. 10.1126/science.aau4532. Green open access

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Abstract

Chimpanzees possess a large number of behavioral and cultural traits among nonhuman species. The “disturbance hypothesis” predicts that human impact depletes resources and disrupts social learning processes necessary for behavioral and cultural transmission. We used a dataset of 144 chimpanzee communities, with information on 31 behaviors, to show that chimpanzees inhabiting areas with high human impact have a mean probability of occurrence reduced by 88%, across all behaviors, compared to low-impact areas. This behavioral diversity loss was evident irrespective of the grouping or categorization of behaviors. Therefore, human impact may not only be associated with the loss of populations and genetic diversity, but also affects how animals behave. Our results support the view that “culturally significant units” should be integrated into wildlife conservation.

Type: Article
Title: Human impact erodes chimpanzee behavioral diversity
Open access status: An open access version is available from UCL Discovery
DOI: 10.1126/science.aau4532
Publisher version: https://doi.org/10.1126/science.aau4532
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Anthropology
URI: https://discovery.ucl.ac.uk/id/eprint/10093288
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