Idealized metacommunity structures (i.e. checkerboard, random, quasi‐structures, nested, Clementsian, Gleasonian and evenly spaced) have recently gained increasing attention, but their relationships with environmental heterogeneity and how they vary with organism groups remain poorly understood. Here, we tested two main hypotheses: (a) gradient‐driven patterns (Clementsian and Gleasonian) occur frequently in heterogeneous environments and (b) small organisms (here, diatoms) are more likely to exhibit gradient‐driven patterns than large organisms (here, macroinvertebrates).

中文翻译：

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不同环境异质性的河流网络中硅藻和大型无脊椎动物的亚群落结构要素

理想化的元社区结构（例如，棋盘格，随机，准结构，嵌套，克莱门茨，格里森式和均匀分布）最近受到了越来越多的关注，但是它们与环境异质性的关系以及它们随生物群的变化方式仍然知之甚少。在这里，我们测试了两个主要假设：（a）梯度驱动模式（克莱门斯和格里森）在异质环境中经常发生，并且（b）小型生物（此处为硅藻）比大型生物（此处为硅藻）更容易表现出梯度驱动模式，无脊椎动物）。