Abstract

On the basis of 120 original stations, macrozoobenthic communities of rivers from two adjacent areas of the Lower Amur Region (Khabarovsk krai) have been described. Rivers basins are characterized by contrasting landscape conditions: the Anyuy River basin in the piedmonts of the Sikhote-Alin mountain range and the Simmi River basin on the Amur Lowland. About 250 taxa of macroinvertebrates have been found; 16 types of communities have been described. The principal differences in both benthic fauna and macrozoobenthic communities in the basins of the Anyuy River (cold-water rheophilic fauna as well as ritral and crenal communities predominate) and the Simmi River (warm-water limnophilic fauna and phytal communities predominate) are shown. We discuss the reasons for these differences, specific features of the fauna and communities of the whole region, and the biogeographical position of the region.

中文翻译：

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下阿穆尔河地区皮埃蒙特和低地河道的大型动物群落

摘要

在120个原始站点的基础上，描述了来自下阿穆尔地区（Khabarovsk krai）两个相邻区域的大型河生动物群落。流域的景观条件形成了鲜明的对比：Sikhote-Alin山脉的山麓上的Anyuy流域和Amur Lowland上的Simmi流域。已发现约250个大型无脊椎动物类群；已经描述了16种社区。图中显示了安努伊河（冷水变温动物群以及礼仪和crenal群落占主导地位）和西米河（温水嗜水动物群和植物群落占主导地位）盆地底栖动物群落和大型动物群落的主要差异。我们讨论了造成这些差异的原因，整个地区动物区系和社区的特定特征，