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Using physiological conditions to assess current and future habitat use of a Subarctic frog

Integrative Zoology 2023年第1期18卷 2-14页

作者： Thomas P.HASTINGS Blake R.HOSSACK leeann fishback Jon M.DAVENPORT Department of Biology Appalachian State UniversityBooneNorth CarolinaUSA U.S.Geological Survey Northern Rocky Mountain Science Centerand Wildlife Biology ProgramW.A.Franke College of Forestry&ConservationUniversity of MontanaMissoulaMontanaUSA Churchill Northern Studies Centre ChurchillManitobaCanada

Species with especially close dependence on the environment to meet physiological requirements,such as ectotherms,are highly susceptible to the impacts of climate *** change is occurring rapidly in the Subarctic and Arctic,but there is limited knowledge on ectotherm physiology in these *** investigated how environmental conditions and habitat characteristics inﬂuence the physiological conditions and habitat use of wood frogs(Rana sylvatica)in a Subarctic landscape near Churchill,Manitoba(Canada).We used plaster models to estimate water loss rates and surface body temperatures among different habitat types and at speciﬁc locations used by radio-tracked *** loss(R2=0.67)and surface temperature(R2=0.80)of plaster models was similar to that of live ***-based water loss rates were greater in tundra habitat than in boreal forest and ecotone *** use of wood frogs was strongly tied with available surface moisture and decreased water loss rates that were observed with plaster *** conditions,such as wind speed and ground tem-perature,explained 58%and 91%of the variation in water balance and temperature of plaster *** physiological conditions may be challenging for semi-aquatic ectotherms in environments vulnerable to future cli-mate *** ability to predict physiological conditions based on environmental conditions,as demonstrated in our study,can help understand how wildlife will respond to climatic changes.

关键词： Arctic climate change landscape physiology water balance wood frog

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