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首页> 外文期刊>Biology Letters >The interaction of exposure and warming tolerance determines fish species vulnerability to warming stream temperatures
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The interaction of exposure and warming tolerance determines fish species vulnerability to warming stream temperatures

机译：曝光和变暖耐受的相互作用决定了鱼类脆弱的升温流气温

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摘要

Species vulnerability to climate change involves an interaction between the magnitude of change (exposure) and a species's tolerance to change. We evaluated fifth species vulnerability to predicted stream temperature increases by examining warming tolerances across the Wyoming fish assemblage. Warming tolerance combines stream temperature with a thermal tolerance metric to estimate how much warming beyond current conditions a species can withstand. Brown trout, rainbow trout and burbot had the lowest warming tolerances and the highest proportion of currently occupied sites that will become unsuitable under predicted temperature increases. These most vulnerable species were coldwater species, but had neither the lowest thermal tolerances nor would they experience the greatest temperature increases. Our results highlight the importance of considering the interaction of exposure and warming tolerance when predicting climate change vulnerability and demonstrate an approach that can be applied broadly.
机译：对气候变化的物种脆弱性涉及变化幅度（暴露）和物种对变革的宽度之间的相互作用。通过检查遍布怀俄明鱼组合的热化公差，我们评估了预测流温度的第五种脆弱性。变暖耐受将流温度与热耐受度量相结合，以估计物种可以承受的电流条件超越的变暖。棕色鳟鱼，彩虹鳟鱼和嗝具有最低的温暖公差和最高比例的目前被占用的地点，这将在预测的温度增加下变得不适合。这些最脆弱的物种是冷水物种，但既没有最低的散热差，也没有经历最大的温度升高。我们的结果突出了考虑在预测气候变化脆弱性时曝光和变暖耐受性的相互作用的重要性，并证明了可以广泛应用的方法。

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