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Evidence for intraspecific phenotypic variation in songbirds along elevation gradients in central Europe
IBIS ( IF 2.1 ) Pub Date : 2020-04-29 , DOI: 10.1111/ibi.12843
Martha Maria Sander 1 , Dan Chamberlain 1
Affiliation  

Studying phenotypic variations along gradients may provide insights into mechanisms that drive species distributions and thus can be useful indicators of environmental change. In mountains, the study of phenotypic variation along elevation gradients is of increasing relevance due to the impacts of climate change. We analysed European ringing data to measure the direction of phenotypic variation along elevation gradients in six common, resident songbird species occurring along a wide elevational range. We modelled intraspecific change in wing length, body mass and their ratio with elevation and found a significant increase in wing length and a decrease in body mass at high elevations. The results of our exploratory analysis show the potential that continent‐wide ringing databases offer to describe patterns of phenotypic variation along environmental gradients.

中文翻译:

中欧沿高度梯度的鸣禽种内表型变异的证据

研究沿梯度的表型变异可能会深入了解驱动物种分布的机制,因此可以作为环境变化的有用指标。在山区,由于气候变化的影响,沿着海拔梯度的表型变化的研究具有越来越高的相关性。我们分析了欧洲的振铃数据,以测量在很宽的海拔范围内发生的六种常见驻地鸣禽物种沿海拔梯度的表型变化方向。我们对机翼长度,体重及其与海拔的比率的种内变化进行了建模,发现机翼长度显着增加,而在高海拔时体重下降。
更新日期:2020-04-29
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