NDLI: Lake eutrophication and its ecosystem response

Content Provider	Springer Nature Link
Author	Qin, BoQiang Gao, Guang Zhu, GuangWei Zhang, YunLin Song, YuZhi Tang, XiangMing Xu, Hai Deng, JianMing
Copyright Year	2012
Abstract	China is a country with many lakes, about one-third of which are freshwater mainly distributed in the middle and lower reaches of the Yangtze River. Currently most of the lakes are mesotrophic or eutrophic. Lake eutrophication has become one of the major ecological and environmental problems faced by lakes in China and can lead to a series of abnormal ecosystem responses, including extinction of submerged plants, frequent occurrence of cyanobacterial blooms, increased microbial biomass and productivity, decreased biodiversity, accelerated cycles, and a change in the efficient use of nutrients. With development of eutrophication, the whole lake ecosystem suffers decreased biodiversity, simplification of biotic community structure, instability of the ecosystem, and ultimately the clear-water, macrophyte-dominated ecosystem gradually shifts to a turbid-water, algae-dominated ecosystem. This ecosystem succession mechanism is speculated to be caused by different nutrient utilization efficiencies of macrophytes and phytoplankton. The ultimate ecosystem succession trend of seriously eutrophic lakes is that a phytoplankton-dominated autotrophic lake shifts to a heterotrophic lake dominated by micro-organisms, protozoans.
Starting Page	961
Ending Page	970
Page Count	10
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	58
Issue Number	9
e-ISSN	18619541
Language	English
Publisher	SP Science China Press
Publisher Date	2012-12-03
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	aquatic plant biodiversity ecosystem succession lake eutrophication microorganism phytoplankton Science Life Sciences Physics Chemistry/Food Science Earth Sciences Engineering
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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