When parks work: Effect of anthropogenic disturbance on occupancy of tropical forest mammals

Valentina Oberosler; Simone Tenan; Elise F. Zipkin; Francesco Rovero

doi:10.1002/ece3.6048

journal article Open Access Apr 16, 2020

When parks work: Effect of anthropogenic disturbance on occupancy of tropical forest mammals

Valentina Oberosler

Simone Tenan

Elise F. Zipkin

Francesco Rovero

Ecology and Evolution Vol. 10 No. 9 pp. 3881-3894 · Wiley

View at Publisher Save 10.1002/ece3.6048

Abstract

AbstractProtected areas (PAs) in the tropics are vulnerable to human encroachment, and, despite formal protection, they do not fully mitigate anthropogenic threats to habitats and biodiversity. However, attempts to quantify the effectiveness of PAs and to understand the status and changes of wildlife populations in relation to protection efficiency remain limited. Here, we used camera‐trapping data collected over 8 consecutive years (2009–2016) to investigate the yearly occurrences of medium‐to‐large mammals within the Udzungwa Mountains National Park (Tanzania), an area of outstanding importance for biological endemism and conservation. Specifically, we evaluated the effects of habitat and proxies of human disturbance, namely illegal hunting with snares and firewood collection (a practice that was banned in 2011 in the park), on species' occurrence probabilities. Our results showed variability in species' responses to disturbance: The only species that showed a negative effect of the number of snares found on occurrence probability was the Harvey's duiker, a relatively widespread forest antelope. Similarly, we found a moderate positive effect of the firewood collection ban on only the suni, another common antelope, and a negative effect on a large opportunistic rodent, the giant‐pouched rat. Importantly, we found evidence of temporal stability in occurrence probability for all species over the 8‐year study period. Our findings suggest that well‐managed PAs can sustain mammal populations in tropical forests. However, variability among species in their responses to anthropogenic disturbance necessitates consideration in the design of conservation action plans for multiple taxa.

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Details

Published: Apr 16, 2020
Vol/Issue: 10(9)
Pages: 3881-3894
License: View

Authors

V

Valentina Oberosler

Tropical Biodiversity Section MUSE – Museo delle Scienze Trento Italy; Department of Earth and Environmental Sciences University of Pavia Pavia Italy

S

Simone Tenan

Vertebrate Zoology Section MUSE – Museo delle Scienze Trento Italy

E

Elise F. Zipkin

Department of Integrative Biology and Ecology Evolutionary Biology and Behavior Program Michigan State University East Lansing Michigan

F

Francesco Rovero

Tropical Biodiversity Section MUSE – Museo delle Scienze Trento Italy; Department of Biology University of Florence Sesto Fiorentino Italy

Funding

Gordon and Betty Moore Foundation

Cite This Article

Valentina Oberosler, Simone Tenan, Elise F. Zipkin, et al. (2020). When parks work: Effect of anthropogenic disturbance on occupancy of tropical forest mammals. Ecology and Evolution, 10(9), 3881-3894. https://doi.org/10.1002/ece3.6048

When parks work: Effect of anthropogenic disturbance on occupancy of tropical forest mammals

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