Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/33487
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Landscape composition and life-history traits influence bat movement and space use: Analysis of 30 years of published telemetry data
Author(s): Laforge, Alexis
Archaux, Frederic
Coulon, Aurelie
Sirami, Clelia
Froidevaux, Jeremy
Gouix, Nicolas
Ladet, Sylvie
Martin, Hilaire
Barré, Kevin
Roemer, Charlotte
Claireau, Fabien
Kerbiriou, Christian
Barbaro, Luc
Contact Email: jeremy.froidevaux@stir.ac.uk
Keywords: animal movement
central place forager
Chiroptera
home range
landscape complementation
mammals
minimum convex polygon
radiotracking
spatial behaviour
Issue Date: Dec-2021
Date Deposited: 18-Oct-2021
Citation: Laforge A, Archaux F, Coulon A, Sirami C, Froidevaux J, Gouix N, Ladet S, Martin H, Barré K, Roemer C, Claireau F, Kerbiriou C & Barbaro L (2021) Landscape composition and life-history traits influence bat movement and space use: Analysis of 30 years of published telemetry data. Global Ecology and Biogeography, 30 (12), pp. 2442-2454. https://doi.org/10.1111/geb.13397
Abstract: Aim Animal movement determines home range patterns, which in turn affect individual fitness, population dynamics and ecosystem functioning. Using temperate bats, a group of particular conservation concern, we investigated how morphological traits, habitat specialization and environmental variables affect home range sizes and daily foraging movements, using a compilation of 30 years of published bat telemetry data. Location Northern America and Europe. Time period 1988–2016. Major taxa studied Bats. Methods We compiled data on home range size and mean daily distance between roosts and foraging areas at both colony and individual levels from 166 studies of 3,129 radiotracked individuals of 49 bat species. We calculated multi-scale habitat composition and configuration in the surrounding landscapes of the 165 studied roosts. Using mixed models, we examined the effects of habitat availability and spatial arrangement on bat movements, while accounting for body mass, aspect ratio, wing loading and habitat specialization. Results We found a significant effect of landscape composition on home range size and mean daily distance at both colony and individual levels. On average, home ranges were up to 42% smaller in the most habitat-diversified landscapes while mean daily distances were up to 30% shorter in the most forested landscapes. Bat home range size significantly increased with body mass, wing aspect ratio and wing loading, and decreased with habitat specialization. Main conclusions Promoting bat movements through the landscape surrounding roosts at large spatial scales is crucial for bat conservation. Forest loss and overall landscape homogenization lead temperate bats to fly further to meet their ecological requirements, by increasing home range sizes and daily foraging distances. Both processes might be more detrimental for smaller, habitat-specialized bats, less able to travel increasingly longer distances to meet their diverse needs.
DOI Link: 10.1111/geb.13397
Rights: This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is the peer reviewed version of the following article: Laforge, A., Archaux, F., Coulon, A., Sirami, C., Froidevaux, J., Gouix, N., Ladet, S., Martin, H., Barré, K., Roemer, C., Claireau, F., Kerbiriou, C., & Barbaro, L. (2021). Landscape composition and life-history traits influence bat movement and space use: Analysis of 30 years of published telemetry data. Global Ecology and Biogeography, 30, 2442-2454, which has been published in final form at https://doi.org/10.1111/geb.13397. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for self-archiving.
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