Habitat fragmentation alters the properties of a host-parasite network: rodents and their helminths in South-East Asia

The Journal of Animal Ecology
Frédéric BordesAnnelise Tran

Abstract

1. While the effects of deforestation and habitat fragmentation on parasite prevalence or richness are well investigated, host-parasite networks are still understudied despite their importance in understanding the mechanisms of these major disturbances. Because fragmentation may negatively impact species occupancy, abundance and co-occurrence, we predict a link between spatiotemporal changes in habitat and the architecture of host-parasite networks. 2. For this, we used an extensive data set on 16 rodent species and 29 helminth species from seven localities of South-East Asia. We analysed the effects of rapid deforestation on connectance and modularity of helminth-parasite networks. We estimated both the degree of fragmentation and the rate of deforestation through the development of land uses and their changes through the last 20 to 30 years in order to take into account the dynamics of habitat fragmentation in our statistical analyses. 3. We found that rapid fragmentation does not affect helminth species richness per se but impacts host-parasite interactions as the rodent-helminth network becomes less connected and more modular. 4. Our results suggest that parasite sharing among host species may become more difficult to maint...Continue Reading

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Citations

Feb 24, 2016·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Bruno Andreas WaltherSerge Morand
Jun 2, 2016·Spatial and Spatio-temporal Epidemiology·Kim BlasdellPhilippe Buchy
Jul 22, 2015·PloS One·Kanokwan SuwannarongSusan Zimicki
Dec 12, 2017·Vector Borne and Zoonotic Diseases·Anamika KarnchanabanthoengBernard Carcy
Apr 16, 2019·Ecological Applications : a Publication of the Ecological Society of America·Serge MorandAnnelise Tran
Aug 21, 2019·Scientific Reports·Debapriyo ChakrabortyGovindhaswamy Umapathy
May 1, 2020·Tropical Medicine and Infectious Disease·Serge MorandRawadee Kumlert
Oct 3, 2018·Tropical Medicine and Infectious Disease·Kittipong ChaisiriSerge Morand
Sep 23, 2020·The American Journal of Tropical Medicine and Hygiene·Phaviny SithayPorntip Laummaunwai
Feb 10, 2021·Trends in Parasitology·Rogini RunghenCristina Llopis-Belenguer
Aug 3, 2021·International Journal for Parasitology. Parasites and Wildlife·Camila Dos Santos LucioPaulo Sergio D'Andrea

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