Nonrandom foraging and resource distributions affect the relationships between host density, contact rates and parasite transmission.
agent-based model
contact rates
disease dynamics
foraging behaviour
resource distributions
Journal
Ecology letters
ISSN: 1461-0248
Titre abrégé: Ecol Lett
Pays: England
ID NLM: 101121949
Informations de publication
Date de publication:
Mar 2024
Mar 2024
Historique:
revised:
31
01
2024
received:
28
08
2023
accepted:
01
02
2024
medline:
14
3
2024
pubmed:
14
3
2024
entrez:
14
3
2024
Statut:
ppublish
Résumé
Nonrandom foraging can cause animals to aggregate in resource dense areas, increasing host density, contact rates and pathogen transmission, but when should nonrandom foraging and resource distributions also have density-independent effects? Here, we used a factorial experiment with constant resource and host densities to quantify host contact rates across seven resource distributions. We also used an agent-based model to compare pathogen transmission when host movement was based on random foraging, optimal foraging or something between those states. Nonrandom foraging strongly depressed contact rates and transmission relative to the classic random movement assumptions used in most epidemiological models. Given nonrandom foraging in the agent-based model and experiment, contact rates and transmission increased with resource aggregation and average distance to resource patches due to increased host movement in search of resources. Overall, we describe three density-independent mechanisms by which host behaviour and resource distributions alter contact rate functions and pathogen transmission.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e14385Subventions
Organisme : National Science Foundation Doctoral Dissertation Improvement Grant
ID : DEB-1501466
Informations de copyright
© 2024 The Authors. Ecology Letters published by John Wiley & Sons Ltd.
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