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Journal Article

A Mechanistic Approach to Animal Dispersal—Quantifying Energetics and Maximum Distances

Caitlin Wilkinson; Ulrich Brose; Alexander Dyer; Myriam R. Hirt; Remo Ryser
Ecology Letters · Vol. 28, Issue 2 · 2025

Abstract

Dispersal is a fundamental process driving many ecological patterns. During transfer, species often make large‐scale displacements resulting in significant energy losses with implications for fitness and survival, however generalising these losses across different taxonomic groups is challenging. We developed a bioenergetic dispersal model based on fundamental processes derived from species traits. By balancing energy storage and energy loss during active dispersal, our mechanistic model can quantify energy expenditures depending on landscape configuration and the species in focus. Moreover, it can be used to predict the maximum dispersal capacity of animals, which we compare with recorded maximum dispersal distances ( n = 1571). Due to its foundation in bioenergetics it can easily be integrated into various ecological models, such as food‐web and meta‐community models. Furthermore, as dispersal is integral to ecological research, the quantification of dispersal capacities provides valuable insight into landscape connectivity, species persistence, and distribution patterns with implications for conservation research.

Bibliographic Information

JournalEcology Letters
PublisherWiley
Publication Date2025-02-01
Publication Year2025
Volume28
Issue2
Document TypeJournal Article
Print ISSN1461-023X
eISSN1461-0248
DOI10.1111/ele.70085
SubjectEcology & Organismal Biology

Access Information

NARA Access Coverage1998-01-01~Current
Journal Homepagehttps://onlinelibrary.wiley.com/loi/14610248
Publisher PageOpen Publisher Page
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