Patch quality affords behavioral flexibility in collared pikas ( Ochotona collaris ), potentially increasing climate resiliency

Patch quality affords behavioral flexibility in collared pikas ( Ochotona collaris ), potentially increasing climate resiliency | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL Oikos This is a preprint and has not been peer reviewed. Data may be preliminary. 13 May 2025 V1 Latest version Share on Patch quality affords behavioral flexibility in collared pikas ( Ochotona collaris ), potentially increasing climate resiliency Authors : Jennifer Wall 0000-0003-2521-9642 [email protected] and Jedediah Brodie Authors Info & Affiliations https://doi.org/10.22541/au.174716652.27539361/v1 265 views 135 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Climate disruption threatens the persistence of temperature-sensitive species in many regions. Some species may be able to moderate hyperthermia risk by using cooler subsurface microclimates, a strategy that could afford some level of population resilience. However, such behavioral responses may interact with environmental factors, making it challenging to determine vulnerability. Here we assessed the extent to which collared pikas ( Ochotona collaris ), a temperature-sensitive boreal lagomorph, use below-talus microclimates as thermal refuges and whether environmental factors influence the plasticity of these responses, in order to assess the species’ vulnerability to regional warming. We monitored pika activity in Denali National Park and Preserve, Alaska, USA, with camera traps and temperature loggers (above and below ground), finding that pikas adjusted their activity in response to temperature, with peak activity at 13.9oC. Activity levels appeared driven by surface rather than subsurface temperatures, highlighting that regional warming could influence the species in ways that are not buffered by below ground thermal refugia. However, we also detected an interaction between patch quality and surface temperature, such that pikas were more active at cooler temperatures in talus patches with more vegetation. This suggests that pikas in better habitat could be more resilient to warming as they are afforded more flexibility in their diel activity patterns before reaching the upper limits of thermal tolerance. Overall, our results highlight that behavior and environment can interact to influence species’ resilience to climate change. Supplementary Material File (oik-11677-file002.docx) Download 77.66 KB Information & Authors Information Version history V1 Version 1 13 May 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Collection Oikos Keywords alaska behavioral plasticity climate change denali national park and preserve microclimate thermal refugia Authors Affiliations Jennifer Wall 0000-0003-2521-9642 [email protected] University of Montana View all articles by this author Jedediah Brodie University of Montana View all articles by this author Metrics & Citations Metrics Article Usage 265 views 135 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Jennifer Wall, Jedediah Brodie. Patch quality affords behavioral flexibility in collared pikas ( Ochotona collaris ), potentially increasing climate resiliency. Authorea . 13 May 2025. DOI: https://doi.org/10.22541/au.174716652.27539361/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. 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