Novel parasite invasion leads to rapid demographic compensation and recovery in an experimental population of guppies.
density-dependent compensation
host–parasite interactions
hydra effect
population dynamics
Journal
Proceedings of the National Academy of Sciences of the United States of America
ISSN: 1091-6490
Titre abrégé: Proc Natl Acad Sci U S A
Pays: United States
ID NLM: 7505876
Informations de publication
Date de publication:
08 09 2020
08 09 2020
Historique:
pubmed:
28
8
2020
medline:
31
10
2020
entrez:
28
8
2020
Statut:
ppublish
Résumé
The global movement of pathogens is altering populations and communities through a variety of direct and indirect ecological pathways. The direct effect of a pathogen on a host is reduced survival, which can lead to decreased population densities. However, theory also suggests that increased mortality can lead to no change or even increases in the density of the host. This paradoxical result can occur in a regulated population when the pathogen's negative effect on survival is countered by increased reproduction at the lower density. Here, we analyze data from a long-term capture-mark-recapture experiment of Trinidadian guppies (
Identifiants
pubmed: 32848066
pii: 2006227117
doi: 10.1073/pnas.2006227117
pmc: PMC7486716
doi:
Banques de données
Dryad
['10.5061/dryad.jm63xsj7z']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
22580-22589Déclaration de conflit d'intérêts
The authors declare no competing interest.
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