Temperature-size responses match latitudinal-size clines in arthropods, revealing critical differences between aquatic and terrestrial species
Temperature-size responses match latitudinal-size clines in arthropods, revealing critical differences between aquatic and terrestrial species
复制标题
DOI：
10.1111/ele.12413
复制
发表时间：
2015-04-01
期刊：
影响因子：
8.8
通讯作者：
Atkinson, David
中科院分区：
文献类型：
--
作者：
Horne, Curtis R.;Hirst, Andrew. G.;Atkinson, David
两种主要的种内成虫大小变异模式是可塑性温度-大小（T-S）反应和纬度-大小（L-S）渐变。然而，在何种程度上，这些共同变化和共享的解释机制还没有得到系统的评估。我们提出了最大的定量比较，这些梯度的日期，并发现它们的方向和幅度之间的12个节肢动物的订单（r（2）=0.72）。水生物种的身体大小通常会随着变暖和纬度降低而减小，而陆生物种则会大大减小，甚至相反。这些模式支持的预测，氧气限制是一个主要的控制因素，在水中，但不是在空气中。此外，化性解释了陆生物种而不是水生物种的T-S和L-S模式的许多变化。虽然身体的大小随着变暖和纬度的降低在多化性陆生节肢动物，大小增加平均在一化性物种，与预测大小与季节长度权衡一致。
Two major intraspecific patterns of adult size variation are plastic temperature-size (T-S) responses and latitude-size (L-S) clines. Yet, the degree to which these co-vary and share explanatory mechanisms has not been systematically evaluated. We present the largest quantitative comparison of these gradients to date, and find that their direction and magnitude co-vary among 12 arthropod orders (r(2)=0.72). Body size in aquatic species generally reduces with both warming and decreasing latitude, whereas terrestrial species have much reduced and even opposite gradients. These patterns support the prediction that oxygen limitation is a major controlling factor in water, but not in air. Furthermore, voltinism explains much of the variation in T-S and L-S patterns in terrestrial but not aquatic species. While body size decreases with warming and with decreasing latitude in multivoltine terrestrial arthropods, size increases on average in univoltine species, consistent with predictions from size vs. season-length trade-offs.