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Change of structural characteristics and health assessment of aquatic ecosystems along the mainstream of the Yellow River
Jiang, Xiao-Hui (1); Wang, Hong-Zhu (2)
2012
Source PublicationJournal of Hydraulic Engineering
Volume43Issue:8Pages:991-998
AbstractBased on aquatic ecological survey data of the Yellow River following Liujiaxia in 2008, with reference to ecological survey data of the Yellow River respectively in 1950s and 1980s, this paper analyzes the change regarding physical and chemical properties of the Yellow River aquatic ecosystem in the mainstream and the change of biocoenosis structure along the mainstream, has a contrast to historical changes of the aquatic ecosystem over the last few decades and gives the causes of the changes; it also establishes the ecosystem health assessment index of the Yellow River, and evaluates the Yellow River aquatic ecosystem, thus revealing the actual status of the Yellow River aquatic ecosystem. The results show that (1) due to the different impacts of natural and human activities, there is a significant difference in structural characteristics of aquatic ecosystems along the Yellow River;(2) comparing to 1950s and 1980s, in addition to benthic animals, the species and number of the other aquatic animals decreased significantly in 2008;(3) the Yellow River aquatic ecosystem health is not optimistic, and river ecosystem structure and function of the majority of sections in the mainstream undergoes a significant change, even losing partial ecological functions.
Department(1) Yellow River Institute of Hydraulic Research, Zhengzhou 450003, China; (2) Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
Indexed ByEI
Language中文
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19371
Collection淡水生态学研究中心_期刊论文
Recommended Citation
GB/T 7714
Jiang, Xiao-Hui ,Wang, Hong-Zhu . Change of structural characteristics and health assessment of aquatic ecosystems along the mainstream of the Yellow River[J]. Journal of Hydraulic Engineering,2012,43(8):991-998.
APA Jiang, Xiao-Hui ,&Wang, Hong-Zhu .(2012).Change of structural characteristics and health assessment of aquatic ecosystems along the mainstream of the Yellow River.Journal of Hydraulic Engineering,43(8),991-998.
MLA Jiang, Xiao-Hui ,et al."Change of structural characteristics and health assessment of aquatic ecosystems along the mainstream of the Yellow River".Journal of Hydraulic Engineering 43.8(2012):991-998.
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