Article (Scientific journals)
Invading new climates at what cost? Ontogenetic differences in the thermal dependence of metabolic rate in an invasive amphibian
Padilla, Pablo; Herrel, Anthony; Denoël, Mathieu
2024In Journal of Thermal Biology, 121, p. 103836
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Keywords :
Developmental Biology; Physiology; Amphibian metamorphosis; respirometry; metabolic rates; ontogenetic variation; metamorphosis cost; Pelophylax ridibundus; water frogs; climate change; temperature; invasive alien species; tadpoles; marsh frogs
Abstract :
[en] Global warming can either promote or constrain the invasive potential of alien species. In ectotherm invaders that exhibit a complex life cycle, success is inherently dependent on the capacity of each developmental stage to cope with environmental change. This is particularly relevant for invasive anurans, which disperse on land while requiring water for reproduction. However, it remains unknown how the different life stages respond in terms of energy expenditure under different climate change scenarios. We here quantified the oxygen uptake of frogs at rest (a proxy of the standard metabolic rate) in the aquatic phase (at the tadpole and climax, i.e. during metamorphosis, stages) and in the terrestrial phase (metamorphosed stage) at three environmental temperatures. To do so, we used marsh frogs (Pelophylax ridibundus), an amphibian with the largest invasive range within the palearctic realm and for which their adaptation to global warming might be key to their invasion success. Beyond an increase of metabolic rate with temperature, our data show variation in thermal adaptation across life stages and a higher metabolic cost during metamorphosis. These results suggest that the cost to shift habitat and face changes in temperature may be a constraint on the invasive potential of species with a complex life cycle which may be particularly vulnerable during metamorphosis.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège [BE]
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Environmental sciences & ecology
Aquatic sciences & oceanology
Author, co-author :
Padilla, Pablo  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Laboratoire d'Écologie et de Conservation des Amphibiens (LECA) ; UMR 7179, Département Adaptations du Vivant, Paris, France
Herrel, Anthony ;  UMR 7179, Département Adaptations du Vivant, Paris, France ; Evolutionary Morphology of Vertebrates, Ghent University, Ghent, Belgium ; Department of Biology, University of Antwerp, Wilrijk, Belgium ; Naturhistorisches Museum Bern, Bern, Switzerland
Denoël, Mathieu  ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS) ; Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Laboratoire d'Écologie et de Conservation des Amphibiens (LECA)
Language :
English
Title :
Invading new climates at what cost? Ontogenetic differences in the thermal dependence of metabolic rate in an invasive amphibian
Publication date :
2024
Journal title :
Journal of Thermal Biology
ISSN :
0306-4565
Publisher :
Elsevier BV
Volume :
121
Pages :
103836
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
Funding number :
PDR T.0070.19
Available on ORBi :
since 06 April 2024

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