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Changing landscapes of Southeast Asia and rodent‐borne diseases: decreased diversity but increased transmission risks

Morand Serge, Blasdell Kim R., Bordes Frédéric, Buchy Philippe, Carcy Bernard, Chaisiri Kittipong, Chaval Yannick, Claude Julien, Cosson Jean François, Desquesnes Marc, Jittapalapong Sathaporn, Jiyipong Tawisa, Karnchanabanthoen Anamika, Pornpan Pumhom, Rolain Jean-Marc, Tran Annelise. 2019. Changing landscapes of Southeast Asia and rodent‐borne diseases: decreased diversity but increased transmission risks. Ecological Applications, 29 (4):e01886, 15 p.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Url - jeu de données : https://doi.org/10.5061/dryad.s6s9p58

Quartile : Q1, Sujet : ECOLOGY / Quartile : Q1, Sujet : ENVIRONMENTAL SCIENCES

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Economie-gestion

Abstract : The reduction in biodiversity from land use change due to urbanization and agricultural intensification appears to be linked to major epidemiological changes in many human diseases. Increasing disease risks and the emergence of novel pathogens result from increased contact among wildlife, domesticated animals, and humans. We investigated the relationship between human alteration of the environment and the occurrence of generalist and synanthropic rodent species in relation to the diversity and prevalence of rodent‐borne pathogens in Southeast Asia, a hotspot of threatened and endangered species, and a foci of emerging infectious diseases. We used data from an extensive pathogen survey of rodents from seven sites in mainland Southeast Asia in conjunction with past and present land cover analyses. At low spatial resolutions, we found that rodent‐borne pathogen richness is negatively associated with increasing urbanization, characterized by increased habitat fragmentation, agriculture cover and deforestation. However, at a finer spatial resolution, we found that some major pathogens are favored by environmental characteristics associated with human alteration including irrigation, habitat fragmentation, and increased agricultural land cover. In addition, synanthropic rodents, many of which are important pathogen reservoirs, were associated with fragmented and human‐dominated landscapes, which may ultimately enhance the opportunities for zoonotic transmission and human infection by some pathogens.

Mots-clés Agrovoc : Rat, Maladie transmise par vecteur, Maladie infectieuse, fragmentation de l'habitat, zoonose, Babesia, Bartonella, Hantavirus, Leptospira, Trypanosoma

Mots-clés géographiques Agrovoc : Thaïlande, Cambodge, République démocratique populaire lao, Asie du Sud-Est

Mots-clés libres : Land cover, Habitat, Babesia, Bartonella, Hantaviruses, Leptospira, Rodent-borne diseases, Trypanosoma

Classification Agris : L73 - Animal diseases
000 - Other themes

Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes

Auteurs et affiliations

  • Morand Serge, CNRS (FRA) ORCID: 0000-0003-3986-7659 - auteur correspondant
  • Blasdell Kim R., CSIRO (AUS)
  • Bordes Frédéric, UM2 (FRA)
  • Buchy Philippe, GlaxoSmithKline (SGP)
  • Carcy Bernard, UM1 (FRA)
  • Chaisiri Kittipong, Mahidol University (THA)
  • Chaval Yannick, INRA (FRA)
  • Claude Julien, UM2 (FRA)
  • Cosson Jean François, INRA (FRA)
  • Desquesnes Marc, CIRAD-BIOS-UMR INTERTRYP (THA) ORCID: 0000-0002-7665-2422
  • Jittapalapong Sathaporn, Kasetsart University (THA)
  • Jiyipong Tawisa, Kasetsart University (THA)
  • Karnchanabanthoen Anamika, Kasetsart University (THA)
  • Pornpan Pumhom, Kasetsart University (THA)
  • Rolain Jean-Marc, Université Aix-Marseille (FRA)
  • Tran Annelise, CIRAD-ES-UMR TETIS (REU) ORCID: 0000-0001-5463-332X

Source : Cirad-Agritrop (https://agritrop.cirad.fr/592244/)

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