Bioclimatic and anthropogenic variables shape the occurrence of Batrachochytrium dendrobatidis over a large latitudinal gradient

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dc.contributor.authorAlvarado-Rybak, Mario
dc.contributor.authorLepe-Lopez, Manuel
dc.contributor.authorPeñafiel-Ricaurte, Alexandra
dc.contributor.authorValenzuela-Sánchez, Andrés
dc.contributor.authorValdivia, Catalina
dc.contributor.authorMardones, Fernando O.
dc.contributor.authorBacigalupe, Leonardo D.
dc.contributor.authorPuschendorf, Robert
dc.contributor.authorCunningham, Andrew A.
dc.contributor.authorAzat, Claudio
dc.date.accessioned2025-02-19T16:28:05Z
dc.date.available2025-02-19T16:28:05Z
dc.date.issued2021-12
dc.descriptionIndexación: Scopus.
dc.description.abstractAmphibian chytridiomycosis, caused by the fungus Batrachochytrium dendrobatidis (Bd), has caused the greatest known loss of biodiversity due to an infectious disease. We used Bd infection data from quantitative real-time PCR (qPCR) assays of amphibian skin swabs collected across Chile during 2008–2018 to model Bd occurrence with the aim to determine bioclimatic and anthropogenic variables associated with Bd infection. Also, we used Bd presence/absence records to identify geographical Bd high-risk areas and compare Bd prevalence and infection loads between amphibian families, ecoregions, and host ecology. Data comprised 4155 Bd-specific qPCR assays from 162 locations across a latitudinal gradient of 3700 km (18º to 51ºS). Results showed a significant clustering of Bd associated with urban centres and anthropogenically highly disturbed ecosystems in central-south Chile. Both Bd prevalence and Bd infection loads were higher in aquatic than terrestrial amphibian species. Our model indicated positive associations of Bd prevalence with altitude, temperature, precipitation and human-modified landscapes. Also, we found that macroscale drivers, such as land use change and climate, shape the occurrence of Bd at the landscape level. Our study provides with new evidence that can improve the effectiveness of strategies to mitigate biodiversity loss due to amphibian chytridiomycosis. © 2021, The Author(s).
dc.description.urihttps://www-nature-com.recursosbiblioteca.unab.cl/articles/s41598-021-96535-w
dc.identifier.citationScientific Reports, Volume 11, Issue 1, December 2021, Article number 17383
dc.identifier.doi10.1038/s41598-021-96535-w
dc.identifier.issn2045-2322
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/63551
dc.language.isoen
dc.publisherNature Research
dc.rights.licenseAttribution 4.0 International CC BY 4.0 Deed
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectAltitude
dc.subjectAmphibians
dc.subjectAnimals
dc.subjectBatrachochytrium
dc.subjectChile
dc.subjectDNA, Fungal
dc.subjectEcosystem
dc.subjectLinear Models
dc.subjectMycoses
dc.subjectPrevalence
dc.subjectReal-Time Polymerase Chain Reaction
dc.subjectSpatial Analysis
dc.subjectTemperature
dc.titleBioclimatic and anthropogenic variables shape the occurrence of Batrachochytrium dendrobatidis over a large latitudinal gradient
dc.typeArtículo
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