Small mammals at the edge of deforestation in Cambodia: Transient community dynamics and potential pathways to pathogen emergence

Pruvot, Mathieu, Chea, Sokha, Hul, Vibol, In, Samat, Buor, Vuthy, Ramassamy, Jill Lea, Fillieux, Caroline, Sek, Seng, Sor, Ratha, Ros, Sela, Nuon, Sithun, San, Sovannary, Ty, Yaren, Chao, Marany, Sours, Sreyem, Torng, Sreyleap, Choeurn, Unthyda, Hun, Udam, Ton, Sophorn, Y, Samnang, Phon, Sonara, Kuy, Lina, Fine, Amanda, Dussart, Philippe, Duong, Veasna, Horwood, Paul, and Olson, Sarah H. (2023) Small mammals at the edge of deforestation in Cambodia: Transient community dynamics and potential pathways to pathogen emergence. One Earth, 7 (1). pp. 123-135.

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Abstract

Conversion of forest to agricultural land results in rapid and profound changes in ecosystems and biodiversity loss and increases the risk of pathogen emergence. However, insights into the underlying ecological processes linking deforestation and pathogen spillover are required to anticipate and mitigate new pathogen spillovers. Here, we studied small mammal communities and zoonotic pathogens in nine sites in Cambodia where the spatiotemporal deforestation edge was represented by three zones—forest, disturbed, and cleared—within each site. Complete turnover of the small mammal community and species overlap in disturbed forest may provide opportunities for spillover on the spatiotemporal front of forest disturbance. Concurrently, boom-and-bust dynamics of synanthropic species in agricultural landscapes may support the amplification of pathogens in proximity to human settlements. This combination of spillover and amplification may be a key mechanism involved in deforestation-induced pathogen spillovers, highlighting the global health threats of encroaching into natural areas.

Item ID: 81507
Item Type: Article (Research - C1)
ISSN: 2590-3322
Keywords: deforestation, disease emergence, land-use change, small-mammal community, spillover, zoonotic pathogens
Copyright Information: © 2023 The Authors. Published by Elsevier Inc.
Date Deposited: 29 Feb 2024 01:38
FoR Codes: 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310308 Terrestrial ecology @ 50%
41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 50%
SEO Codes: 18 ENVIRONMENTAL MANAGEMENT > 1806 Terrestrial systems and management > 180601 Assessment and management of terrestrial ecosystems @ 100%
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