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Size and species diversity of zooplankton communities in fluctuating Mediterranean salt marshes

机译：波动性地中海盐沼中浮游动物群落的大小和物种多样性

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摘要

Differences in size and species diversity were analysed in a zooplankton community of a Mediterranean salt marsh (Emporda wetlands, NE Iberian Peninsula), where the dominance of a single species was frequent. In the permanent salt marsh, species diversity and size diversity had similar patterns along zooplankton succession. In the temporary salt marsh species diversity was high after flooding and diminished once water inputs ceased. As species diversity declined size diversity increased. Eventually, one species of calanoid dominated the zooplankton community. The high size diversity in situations of calanoid dominance was possibly due to the co-occurrence of different developmental stages, each of which have different diets. Size diversity would thus indicate trophic niche segregation among different sizes. The combined use of species and size diversity values allows the identification of the successional phases.
机译：在一个地中海盐沼（恩波达湿地，东北伊比利亚半岛）的浮游动物群落中分析了大小和物种多样性的差异，在该群落中，单个物种的优势很常见。在永久性盐沼中，沿浮游动物演替的物种多样性和大小多样性具有相似的模式。在临时盐沼中，洪水后物种多样性很高，一旦停止供水，物种多样性就会减少。随着物种多样性下降，大小多样性增加。最终，一种类人猿主导了浮游动物群落。在颅骨优势的情况下，高大小的多样性可能是由于不同发育阶段的共同存在，每个阶段都有不同的饮食。因此，大小多样性将表明不同大小之间的营养生态位隔离。物种和大小多样性值的组合使用可以确定演替阶段。

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