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Northward Shifts of the Distributions of Spanish Reptiles in Association with Climate Change

机译:与气候变化相关的西班牙爬行动物分布的北移

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It is predicted that climate change will drive extinctions of some reptiles and that the number of these extinctions will depend on whether reptiles are able to change their distribution. Whether the latitudinal distribution of reptiles may change in response to increases in temperature is unknown. We used data on reptile distributions collected during the 20th century to analyze whether changes in the distributions of reptiles in Spain are associated with increases in temperature. We controlled for biases in sampling effort and found a mean, statistically significant, northward shift of the northern extent of reptile distributions of about 15.2 km from 1940-1975 to 1991-2005. The southern extent of the distributions did not change significantly. Thus, our results suggest that the latitudinal distributions of reptiles may be changing in response to climate change.
机译:据预测,气候变化将驱使某些爬行动物灭绝,而这些灭绝的数量将取决于爬行动物是否能够改变其分布。爬行动物的纬度分布是否会响应温度升高而变化尚不清楚。我们使用了20世纪收集的爬行动物分布数据来分析西班牙爬行动物分布的变化是否与温度升高有关。我们控制了抽样工作中的偏差,发现从1940-1975年到1991-2005年,爬行动物分布的北部范围向北平均发生了具有统计意义的平均北移,大约为15.2 km。分布的南部范围没有明显变化。因此,我们的结果表明,爬行动物的纬度分布可能会随着气候变化而改变。

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