Does dispersal ability affect the relative importance of environmental control and spatial structuring of littoral macroinvertebrate communities?
Does dispersal ability affect the relative importance of environmental control and spatial structuring of littoral macroinvertebrate communities?
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DOI：
10.1007/s00442-012-2451-4
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发表时间：
2013-04-01
期刊：
影响因子：
2.7
通讯作者：
Heino, Jani
中科院分区：
文献类型：
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作者：
Heino, Jani
空间过程和环境控制都可能构成亚生态系统，但它们的相对重要性可能取决于生物的扩散能力。我研究的角色，空间和环境因素的结构沿岸的大型无脊椎动物群落在北方流域的一组湖泊。我假设，扩散能力会影响空间过程和环境控制的相对重要性，因此，生物数据被分为四组不同的物种的扩散能力。在一般情况下，最强的空中扩散组表现出最大的相对纯环境控制和最不纯的空间结构的群落结构和物种丰富度，而空间过程似乎是更重要的其他三个扩散能力组。然而，这些结果是偶然的空间过程的间接测量，空间变量和连接变量提供了略有不同的见解的空间过程和环境控制的metacompatibility结构。它出现，然而，扩散能力的影响，空间过程和环境控制的重要metacompatibility组织，与强大的扩散者更多的环境控制和空间过程的影响较小相比，弱扩散者。
Both spatial processes and environmental control may structure metacommunities, but their relative importance may be contingent on the dispersal ability of organisms. I examined the roles of spatial and environmental factors for the structuring of littoral macroinvertebrate communities across a set of lakes in a boreal drainage basin. I hypothesized that dispersal ability would affect the relative importance of spatial processes and environmental control, and thus the biological data were divided into four groups of species differing in dispersal ability. In general, the group of the strongest aerial dispersers showed greatest relative pure environmental control and least pure spatial structuring of community structure and species richness, while spatial processes seemed to be more important for the other three dispersal ability groups. However, these results were contingent on the indirect measure of spatial processes, with the spatial variables and connectivity variables providing slightly different insights into the spatial processes and environmental control of metacommunity structuring. It appears, however, that dispersal ability has effects on the spatial processes and environmental control important in metacommunity organization, with strong dispersers being more under environmental control and less affected by spatial processes compared to weak dispersers.