Study on the effects of mining on aquatic organisms in mountain streams of Changbai Mountain area
The construction of Northeast Tiger and Leopard National Park has played a significant role in improving the protection of Siberian tiger and Amur leopard in China.However,there is no research on whether mining in the core area,which preceded the construction of Northeast Tiger and Leopard National Park,will have an impact on the surrounding water bodies.In this study,Xiangfang River,a typical mountain stream in Changbai Mountain area,was selected as the research area.The physical and chemical indexes,phytoplankton,zooplankton,benthic animals and fish resources of Xiangfang River were investigated in October 2021.The characteristics of aquatic community structure in the sampling section were analysed by using the biodiversity index,and the water quality was comprehensively evaluated.The results showed that there were 3 phyla,33 genera,42 species of phytoplankton in Xiangfang River,among which diatom was the most abundant,accounting for 64%.There were 2 categories,15 species of zooplankton,rotifers were main species,accounting for 60%.There were 2 phyla,22 genera,22 species of benthonic animals,insect species was the most numerous,accounting for 91%.There were 2 classes,6 orders,8 families,20 species of fish,cypriniformes were the most species,accounting for 60%.The aquatic biodiversity index showed that the river water quality was in the β-medium pollution to clean type,the community structure of plankton tended to simplify,and the mining had no great impact on the river water quality and aquatic organism in the region.It provides a scientific basis for analysing the influence of mining on the aquatic organism of mountain stream in Changbai Mountain area and the construction and management of Northeast Tiger and Leopard National Park.
万方数据
维普
