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Effects of desalinization on aquatic communities of running waters in Northern Thuringia

机译：图林根州北部海水淡化对自来水水生群落的影响

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Potash mining was carried out in Northern Thuringia for almost a century, leading to the salinization of several running waters. After mining was terminated in the 1990s, overall salt loads decreased markedly, but did not disappear completely. The consequences of salinization for the various aquatic organisms differ. It seems likely that bacterial carbon degradation remains unaffected. This might also hold true for the phytoplankton of the running water of the river Wipper. With regard to the benthic diatom communities, we found that changes in the diatom community structure of the creek Urbach after the sudden termination of salt brine inputs were restricted to half a year. It also became apparent that the strong salt load had been masking the influence of wastewater inflows. Despite increasing salinities, diatom species numbers along the saline river Wipper were remarkably constant, although changes in the species composition were visible. With respect to aquatic insects, the recolonization offormerly desolated parts of this river has given rise to a community whose members tolerate a comparatively broad spectrum of salinity.
机译：钾肥开采在图林根州北部进行了近一个世纪，导致若干流水盐化。在1990年代终止开采后，总体盐负荷明显下降，但并未完全消失。盐碱化对各种水生生物的后果是不同的。细菌碳的降解似乎很可能不会受到影响。对于维珀河自来水的浮游植物也可能​​如此。关于底栖硅藻群落，我们发现在盐水盐水输入突然终止后小河Urbach的硅藻群落结构的变化被限制为半年。显而易见的是，强大的盐负荷掩盖了废水流入的影响。尽管盐度增加，但沿盐河维珀河上的硅藻物种数量仍保持恒定，尽管物种组成的变化可见。关于水生昆虫，该河以前荒凉的部分的重新定殖形成了一个社区，其成员可以承受相对广泛的盐度。

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