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Individual variation in seasonal acclimation by sympatric amphibians: A climate change perspective

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F21%3A00120932" target="_blank" >RIV/00216224:14310/21:00120932 - isvavai.cz</a>

  • Alternative codes found

    RIV/68081766:_____/21:00534068

  • Result on the web

    <a href="https://doi.org/10.1111/1365-2435.13705" target="_blank" >https://doi.org/10.1111/1365-2435.13705</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/1365-2435.13705" target="_blank" >10.1111/1365-2435.13705</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Individual variation in seasonal acclimation by sympatric amphibians: A climate change perspective

  • Original language description

    Many ectotherms modify their phenotype seasonally as a response to variation in abiotic factors. Given the potential of seasonal acclimation to reduce the impact of climate change on the dynamics of ectotherm populations, the adaptive evolution of this reversible plasticity has received much attention. Nevertheless, the key assumption of selection on the magnitude of seasonal acclimation, consistent among-individual variation (repeatability), remains unexplored. We studied the short- (across body temperatures) and long-term (over two consecutive years) repeatability of seasonal acclimation on standard metabolic rate (SMR) and spontaneous locomotor activity (SLA) in two sympatric newt taxa, Ichthyosaura alpestris and Lissotriton vulgaris. We exposed the newts to various fluctuating thermal regimes over spring and summer and measured SMR and SLA at three body temperatures in each individual over two consecutive years. We quantified seasonal acclimation as difference between summer and spring trait values. We show that individuals of both species vary substantially in their seasonal acclimation responses. Body temperature affected the population means of seasonal acclimation in a quadratic I. alpestris or linear L. vulgaris fashion. Both short- and long-term repeatability of SMR and SLA seasonal acclimation were poor and both species varied in the amount of total variation in the plastic response. Seasonal shifts in environmental temperatures showed high variation between years, but with no apparent trend attributable to local climate change. Our results demonstrate that seasonal SMR and SLA acclimation prevents the establishment of a consistent relationship between individual trait values and environmental gradients, which may limit the adaptive evolution of this plastic response. Disparate thermal dependence patterns and the amount of total variation in seasonal acclimation suggest a species-specific ability for coping with stochasticity of seasonal variation in the thermal environment. To sum up, information on individual variation and population means measured across ecologically realistic body temperatures is necessary to fully understand the occurrence of seasonal acclimation across taxa and its role in the adaptive capacity to climate change. A free Plain Language Summary can be found within the Supporting Information of this article.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10618 - Ecology

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Functional Ecology

  • ISSN

    0269-8463

  • e-ISSN

    1365-2435

  • Volume of the periodical

    35

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    10

  • Pages from-to

    117-126

  • UT code for WoS article

    000582553000001

  • EID of the result in the Scopus database

    2-s2.0-85093930622