Academic Journal

Shrinking Alpine chamois: higher spring temperatures over the last 27 years in Switzerland are linked to a 3 kg reduction in body mass of yearlings

Bibliographic Details
Title: Shrinking Alpine chamois: higher spring temperatures over the last 27 years in Switzerland are linked to a 3 kg reduction in body mass of yearlings
Authors: Giulia Masoero, Kristina Georgieva Gencheva, Noémie Ioset, Louis-Félix Bersier, Federico Tettamanti, Pierre Bize
Source: Royal Society Open Science, Vol 11, Iss 3 (2024)
Subject Terms: climate change, climwin, ungulates, life stages, temperature, elevation, Science
Publisher Information: The Royal Society, 2024.
Publication Year: 2024
Collection: LCC:Science
Description: Although climate change is considered to be partly responsible for the size change observed in numerous species, the relevance of this hypothesis for ungulates remains debated. We used body mass measurements of 5635 yearlings (i.e. 1.5 years old) of Alpine chamois (Rupicapra rupicapra) harvested in September in the Swiss Alps (Ticino canton) from 1992 to 2018. In our study area, during this period, yearlings shrank by ca 3 kg while temperatures between May and July rose by 1.7°C. We identified that warmer temperatures during birth and the early suckling period (9 May to 2 July in the year of birth) had the strongest impact on yearling mass. Further analyses of year-detrended mass and temperature data indicate that this result was not simply due to changes in both variables over years, but that increases in temperature during this particularly sensitive time window for development and growth are responsible for the decrease in body mass of yearling chamois. Altogether, our results suggest that rising temperatures in the Alpine regions could significantly affect the ecology and evolution of this wild ungulate.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2054-5703
Relation: https://doaj.org/toc/2054-5703
DOI: 10.1098/rsos.231295
Access URL: https://doaj.org/article/5c1cb8d8acaa4939a0c4ce42b5231c33
Accession Number: edsdoj.5c1cb8d8acaa4939a0c4ce42b5231c33
ISSN: 20545703
DOI: 10.1098/rsos.231295
Database: Directory of Open Access Journals