Small-scale spatial and temporal variation of life-history traits of common frogs (Rana temporaria) in sub-Arctic Finland

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http://hdl.handle.net/10138/307938

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Cogalniceanu , D , Bancila , R I , Plaiasu , R , Rosioru , D & Merila , J 2017 , ' Small-scale spatial and temporal variation of life-history traits of common frogs (Rana temporaria) in sub-Arctic Finland ' , Polar Biology , vol. 40 , no. 8 , pp. 1581-1592 . https://doi.org/10.1007/s00300-017-2081-8

Title: Small-scale spatial and temporal variation of life-history traits of common frogs (Rana temporaria) in sub-Arctic Finland
Author: Cogalniceanu, Dan; Bancila, Raluca I.; Plaiasu, Rodica; Rosioru, Daniela; Merila, Juha
Contributor: University of Helsinki, Biosciences
Date: 2017-08
Language: eng
Number of pages: 12
Belongs to series: Polar Biology
ISSN: 0722-4060
URI: http://hdl.handle.net/10138/307938
Abstract: Small-scale spatial and temporal variation in abiotic and biotic environmental conditions can lead to large differences in mean values of important life-history traits in ectothermic vertebrates, such as amphibians. However, relatively little is known about small-scale variation in life-history traits of sub-Arctic amphibians. We studied the spatio-temporal variation of adult life-history traits linked to age and body size in the common frog (Rana temporaria) from low (i.e., valley at 480 m a.s.l.) and high (i.e., hill at 530-650 m a.s.l.) altitude sites in the sub-Arctic Kilpisjarvi area (Finland). Data on life-history traits of frogs from hill sites collected during a 3-year field study were compared with previously published data from the valley sites. The results showed spatio-temporal variation in life-history traits, frogs responding to spatio-temporal variation in the environmental conditions with variation in age, life span, survival rates, body size, and mass. Frogs from hill sites had shorter life span, both in terms of mean
Subject: Spatio-temporal variation
Life-history traits
Skeletochronology
Age structure
CLIMATE-CHANGE
BODY-SIZE
LATITUDINAL GRADIENT
SEX-CHROMOSOMES
GROWTH-RATE
PHENOTYPIC PLASTICITY
GEOGRAPHIC-VARIATION
AGE-DETERMINATION
FINNISH LAPLAND
POPULATIONS
1172 Environmental sciences
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