Community-wide changes in intertaxonomic temporal co-occurrence resulting from phenological shifts
Community-wide changes in intertaxonomic temporal co-occurrence resulting from phenological shifts
复制标题
物候变化导致的分类间时间共现的全群落变化
DOI：
10.1111/gcb.13199
复制
发表时间：
2016-05-01
影响因子：
11.6
通讯作者：
Zhu, Jiang
中科院分区：
文献类型：
--
作者：
Hua, Fangyuan;Hu, Junhua;Zhu, Jiang
已知全球气候变化通过改变物种的空间分布模式来影响生态群落的集合，但对于气候变化如何通过改变物种的时间共现模式来影响群落集合知之甚少，考虑到广泛观察到的与气候变化相关的物候变化，这很有可能。在这里，我们分析了一个29年的物候数据集，包括社区层面的信息的时间和时间发生在11个季节性发生的动物类群从329个地方气象观测站在中国各地。我们发现，在物候的广泛变化，导致在社区范围内的变化，主要是由扩展类群之间的时间重叠，这些变化在很大程度上是由于类群的改变跨度的时间发生，而不是在物候变化的同步程度。重要的是，我们的研究结果还表明，气候变化可能导致的物候不匹配比通常假设的要少，并且讨论物候变化的生态后果的背景应该扩展到异步变化之外。
Global climate change is known to affect the assembly of ecological communities by altering species' spatial distribution patterns, but little is known about how climate change may affect community assembly by changing species' temporal co-occurrence patterns, which is highly likely given the widely observed phenological shifts associated with climate change. Here, we analyzed a 29-year phenological data set comprising community-level information on the timing and span of temporal occurrence in 11 seasonally occurring animal taxon groups from 329 local meteorological observatories across China. We show that widespread shifts in phenology have resulted in community-wide changes in the temporal overlap between taxa that are dominated by extensions, and that these changes are largely due to taxa's altered span of temporal occurrence rather than the degree of synchrony in phenological shifts. Importantly, our findings also suggest that climate change may have led to less phenological mismatch than generally presumed, and that the context under which to discuss the ecological consequences of phenological shifts should be expanded beyond asynchronous shifts.