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Functional responses in a lizard along a 3.5-km altitudinal gradient [Elektronski vir]Guerra Serén, Nina ...Aim: Physiological and metabolic performance are key mediators of the functional response of species to environmental change. Few environments offer such a multifaceted array of stressors as ... high-altitude habitats, which differ markedly in temperature, water availability, UV radiation and oxygen pressure compared to low-altitude habitats. Species that inhabit large altitudinal gradients are thus excellent models to study how organisms respond to environmental variation. Location: Tenerife island, Canary Islands archipelago (Spain). Taxon: Tenerife lizard (Gallotia galloti, Lacertidae). Methods: We integrated data on age structure, thermal and hydric regulatory behaviour and four metabolic and stress-related biomarkers for an insular lizard that inhabits an extreme altitudinal range (sea level to 3700 m a.s.l.), to understand how an ectotherms' age, ecophysiology and metabolism can be affected by extreme environmental variation. Results: We found marked differences in metabolic stress markers associated with altitude (particularly in the abundance of carbonyl metabolites and relative telomere length), but without a linear pattern along the altitudinal cline. Contrary to expectations, longer telomeres and lower carbonyl content were detected at the highest altitude, suggesting reduced stress in these populations. Evaporative water loss differed between populations but did not follow a linear altitudinal gradient. Lizard age structure or thermal physiological performance did not markedly change across different altitudes. Mixed signals in life-history and thermal ecology across populations and altitude suggest complex responses to variable conditions across altitude in this species. Main Conclusions: Our integrative study of multiple functional traits demonstrated that adaptation to highly divergent environmental conditions in this lizard is potentially linked to an interplay between plasticity and local adaptation variably associated with different functional traits.Source: Journal of biogeography [Elektronski vir]. - ISSN 1365-2699 (2023)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 164393731
Author
Guerra Serén, Nina |
Megía-Palma, Rodrigo |
Simčič, Tatjana, biologinja |
Krofel, Miha |
Guarino, Fabio Maria |
Pinho, Catarina |
Žagar, Anamarija, 1983- |
Carretero, Miguel A.
Topics
Kuščarji |
Zoogeografija |
Živalski habitat |
ekofiziologija |
izguba vode |
metabolna aktivnost |
oksidativni stres |
preferenčna temperatura |
relativna dolžina telomer |
skeletokronologija |
ecophysiology |
evaporative water loss |
metabolic activity |
oxidative stress |
preferred temperatures |
relative telomere length |
skeletochronology
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Author | Guerra Serén, Nina ... |
Title | Functional responses in a lizard along a 3.5-km altitudinal gradient [Elektronski vir] |
Publication date | 2023-09-09 |
COBISS.SI-ID | 164393731 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution-NonCommercial 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Gozd, gozdarstvo in obnovljivi gozdni viri | P4-0059-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Research Network in Biodiversity and Evolutionary Biology | UIDB/50027/2020 | UIDB/50027/2020 |
Fundação para a Ciência e a Tecnologia, I.P. |
Združbe, interakcije in komunikacije v ekosistemih | P1-0255-2017 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
WETADAPT - prilagoditveni in plastični potencial fiziologije ektotermov za odzivanje na podnebne spremembe | J1-2466-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Teaming to Upgrade to Excellence in Environmental Biology, Ecosystem Research and AgroBiodiversity | BIOPOLIS | 857251 |
European Commission |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Guerra Serén, Nina | ![]() |
Megía-Palma, Rodrigo | ![]() |
Simčič, Tatjana, biologinja | 15129 |
Krofel, Miha | 29816 |
Guarino, Fabio Maria | ![]() |
Pinho, Catarina | ![]() |
Žagar, Anamarija, 1983- | 33669 |
Carretero, Miguel A. | ![]() |
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