山东省德州市河流水生生物完整性评估及时空异质性分析

doi:10.19741/j.issn.1673-4831.2020.0397

摘要/Abstract

摘要： 基于水生生物评价河流生态系统状况是河流保护和管理中普遍使用的方法之一。通过对德州市各流域主要河流藻类、底栖动物、鱼类和水生植物的群落结构及其多样性的调查研究，构建河流水生生物完整性评估指标体系，并探究德州市各流域河流水生生物完整性及时空异质性特征。结果表明，德州市各流域河流（河段）水生生物完整性状况总体为一般。各流域中德惠新河得分最高（63.56），水生生物完整性状态为好；其次为徒骇河（58.18）和漳卫新河（51.30），状况为一般；马颊河水生生物完整性得分最低（47.39）。空间尺度上，流经城区的河流水生生物完整性状况劣于非城区河流（河段）；各流域上游水生生物完整性状况好于下游。时间尺度上，丰水期（8月份）河流水生生物完整性优于枯水期（11月份）。基于对德州市各河流水生生物完整性评估，可为该区域及其他地区河流水生生物多样性保护及水生态修复提供借鉴。

关键词: 德州市, 水生生物完整性, 时空异质性, 河流

Abstract: Evaluating river health conditions based on biological assessment is one of the methods commonly used in river protection and management. Through investigation and study on the community structure and diversity of algae, benthic animals, fish and aquatic plants in the main rivers of Dezhou City, an evaluation index system for aquatic biological integrity was established. Temporal and spatial differences in the aquatic biological integrity of rivers in each basin in Dezhou City were explored. The results show that the aquatic biological integrity in rivers (reach sections) of Dezhou City was generally moderate. The Dehuixin River was the best (63.56, Good). The status of Tuhai River (58.18) and Zhangweixin River (51.30) were general, and the status of Majia River was the worst with the aquatic biological integrity of only 47.39. On a spatial scale, the aquatic life of rivers flowing through urban areas was inferior to that of other rivers (reach sections); the status of the upper reaches of the four river basins was better than that of the lower reaches. On the time scale, the aquatic biological integrity of the river during the wet season (August) was better than that during the dry season (November). Based on the assessment of aquatic biological integrity of rivers in Dezhou City, this study can provide methods for the development of aquatic biodiversity protection and ecological restoration measures in the region.

Key words: Dezhou City, aquatic biological integrity, spatio-temporal variations, river

中图分类号:

X171.1

王旭, 王永刚, 武大勇, 李亚翠. 山东省德州市河流水生生物完整性评估及时空异质性分析[J]. 生态与农村环境学报, 2020, 36(12): 1579-1587.

WANG Xu, WANG Yong-gang, WU Da-yong. Aquatic Biological Integrity and Spatio-Temporal Variations of Rivers in Dezhou City, Shandong[J]. Journal of Ecology and Rural Environment, 2020, 36(12): 1579-1587.

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