Disentangling drivers of thermal physiology: Community‐wide cold shock recovery of butterflies under natural conditions
Disentangling drivers of thermal physiology: Community‐wide cold shock recovery of butterflies under natural conditions
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解开热生理学的驱动因素：自然条件下蝴蝶群落的冷休克恢复
DOI：
10.1111/btp.13046
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发表时间：
2021
期刊：
影响因子：
2.1
通讯作者：
Brett R. Scheffers
中科院分区：
文献类型：
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作者：
Emily S. Khazan;Jaime Haggard;I. Ríos;Philip L. Shirk;Brett R. Scheffers
陆生外温动物的生理对策是物种性状与其物理环境之间的微妙相互作用。一些理论和总体假设试图解释与生物及其环境有关的热生理学策略。然而，其中大多数已经在受控实验室条件下使用实验室饲养或以其他方式驯化的个体进行了研究，消除了环境驯化的影响。本研究探讨了一个原位的生理特性，冷休克恢复，在哥伦比亚安第斯山脉的蝴蝶社区从不同的环境，海拔和环境条件。我们探索了四个非相互排斥的假设-1）内在（物种）特征决定反应假设; 2）外在（环境）特征决定反应假设; 3）气候变异性假设; 4）热黑化假设-以解释野生捕获的蝴蝶从高（1800 m.a.s.l）和低（600 m.a.s. l）的冷休克恢复。海拔在两个栖息地类型（开放和封闭的树冠）。冷休克恢复是指从冷休克到完全恢复（即飞行）的时间。环境条件和热黑化假说，假定色素沉着和太阳强度之间的相互作用，最好地解释了冷休克恢复。较高的温度和光照减少了恢复时间。无论物种身份，形态，或栖息地特征，在高太阳强度下的黑暗蝴蝶比轻蝴蝶或低太阳强度下的冷休克恢复得更快。这些结果突出了环境条件的重要性以及热带外温动物的色素沉着与其物理热环境之间的相互作用，这些模式可能使种群容易受到气候变化和发展的热影响。
Physiological strategies of terrestrial ectotherms are a delicate interplay between species’ traits and their physical environment. Several theories and overarching hypotheses seek to explain strategies related to thermal physiology with respect to organisms and their environments. However, most of these have been investigated under controlled laboratory conditions with lab‐reared or otherwise acclimated individuals, removing the effect of environmental acclimation. This study examines an in‐situ physiological trait, cold shock recovery, across butterfly communities of the Colombian Andes from different environments, elevations, and ambient conditions. We explored four non‐mutually exclusive hypotheses—1) intrinsic (species) traits dictate response hypothesis; 2) extrinsic (environmental) traits dictate response hypothesis; 3) climate variability hypothesis; 4) thermal melanism hypothesis—to explain cold shock recovery of wild‐caught butterflies from high (1800 m.a.s.l) and low (600 m.a.s.l.) elevations in two habitat types (open and closed canopy). Cold shock recovery was measured as the time following a cold shock to full recovery, that is, flight. Ambient conditions and the thermal melanism hypothesis, which posits an interaction between pigmentation and solar intensity, best explained cold‐shock recovery. Higher temperatures and light exposure reduced recovery time. Dark butterflies under high solar intensity recovered from cold shock faster than light butterflies or those under low solar intensity regardless of species identity, morphology, or habitat characteristics. These results highlight the importance of ambient conditions and the interaction between pigmentation of tropical ectotherms and their physical thermal environments, patterns that may render populations vulnerable to the thermal impacts of climate change and development.
DOI：
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发表时间：
2015-10
期刊：
--
影响因子：
--
作者：
Douglas M. Bates;M. Maechler;Ben Bolker;Steven C. Walker
通讯作者：
Douglas M. Bates;M. Maechler;Ben Bolker;Steven C. Walker
DOI：
10.1073/pnas.1906356117
发表时间：
2020-01-21
影响因子：
11.1
作者：
Krishna, Anirudh;Nie, Xiao;Lee, Jaeho
通讯作者：
Lee, Jaeho