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Spatio-temporal dynamics of the white sea littoral harpacticoid community

机译：白海沿岸类立足类群落的时空动态

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摘要

The distribution of Harpacticoida over a sandy intertidal flat of Gryaznaya Inlet (Kandalaksha Bay of the White Sea) was studied on the scales from a few centimeters to 27 m. Two levels of patchiness were found: the first one, on the scale of a few centimeters, is caused by the divergence of the patches of individual species, while the second one,on scales greater than 1 m, is related to the proportion of the dominant species in the community. The microscale aggregations were less than 4 cm~2 in size and the dense patches of different species never overlapped. The lifetime of an individual microscale patch was not longer than one day, while mesoscale aggregations exist over several weeks. Small-scale inhomogeneities are shown to dominate the general pattern of the spatial distribution of the littoral harpacticoids. The temporal component of the variability is significantly weaker than the spatial one.
机译：研究了Harpacticoida在Gryaznaya Inlet（白海的Kandalaksha湾）的沙质潮间带上的分布，其范围从几厘米到27 m。发现了两个级别的斑块：第一个级别为几厘米，是由单个物种斑块的发散所引起的，而第二个级别则是在大于1 m的级别上，与斑块的比例有关。社区中的优势物种。微观聚集体的大小小于4 cm〜2，不同物种的密集斑块从未重叠。单个微尺度贴剂的寿命不超过一天，而中尺度聚集存在数周。研究表明，小规模的不均匀性主导了滨海类垂线类动物的空间分布。可变性的时间成分明显弱于空间成分。

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