Is overwintering mortality driving enigmatic declines? Evaluating the impacts of trematodes and the amphibian chytrid fungus on an anuran from hatching through overwintering. Wetsch, O., Strasburg, M., McQuigg, J., & Boone, M. D. PLOS ONE, 17(1):e0262561, January, 2022. Publisher: Public Library of Science![Is overwintering mortality driving enigmatic declines? Evaluating the impacts of trematodes and the amphibian chytrid fungus on an anuran from hatching through overwintering [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Emerging infectious diseases are increasing globally and are an additional challenge to species dealing with native parasites and pathogens. Therefore, understanding the combined effects of infectious agents on hosts is important for species’ conservation and population management. Amphibians are hosts to many parasites and pathogens, including endemic trematode flatworms (e.g., Echinostoma spp.) and the novel pathogenic amphibian chytrid fungus (Batrachochytrium dendrobatidis [Bd]). Our study examined how exposure to trematodes during larval development influenced the consequences of Bd pathogen exposure through critical life events. We found that prior exposure to trematode parasites negatively impacted metamorphosis but did not influence the effect of Bd infection on terrestrial growth and survival. Bd infection alone, however, resulted in significant mortality during overwintering—an annual occurrence for most temperate amphibians. The results of our study indicated overwintering mortality from Bd could provide an explanation for enigmatic declines and highlights the importance of examining the long-term consequences of novel parasite exposure.
@article{wetsch_is_2022,
title = {Is overwintering mortality driving enigmatic declines? {Evaluating} the impacts of trematodes and the amphibian chytrid fungus on an anuran from hatching through overwintering},
volume = {17},
issn = {1932-6203},
shorttitle = {Is overwintering mortality driving enigmatic declines?},
url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0262561},
doi = {10.1371/journal.pone.0262561},
abstract = {Emerging infectious diseases are increasing globally and are an additional challenge to species dealing with native parasites and pathogens. Therefore, understanding the combined effects of infectious agents on hosts is important for species’ conservation and population management. Amphibians are hosts to many parasites and pathogens, including endemic trematode flatworms (e.g., Echinostoma spp.) and the novel pathogenic amphibian chytrid fungus (Batrachochytrium dendrobatidis [Bd]). Our study examined how exposure to trematodes during larval development influenced the consequences of Bd pathogen exposure through critical life events. We found that prior exposure to trematode parasites negatively impacted metamorphosis but did not influence the effect of Bd infection on terrestrial growth and survival. Bd infection alone, however, resulted in significant mortality during overwintering—an annual occurrence for most temperate amphibians. The results of our study indicated overwintering mortality from Bd could provide an explanation for enigmatic declines and highlights the importance of examining the long-term consequences of novel parasite exposure.},
language = {en},
number = {1},
urldate = {2023-02-13},
journal = {PLOS ONE},
author = {Wetsch, Olivia and Strasburg, Miranda and McQuigg, Jessica and Boone, Michelle D.},
month = jan,
year = {2022},
note = {Publisher: Public Library of Science},
keywords = {Amphibians, Bd, Frogs, Larvae, Mesocosms, Metamorphosis, Parasitic diseases, Ponds, Trematodes},
pages = {e0262561},
}
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