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Journal of Geographical Sciences

, Volume 15, Issue 1, pp 37–43 | Cite as

Assessment of the spatial-temporal eutrophic character in the Lake Dianchi

  • Xing Kexia Email author
  • Guo Huaicheng 
  • Sun Yanfeng 
  • Huang Yongtai 
Ecological Environment

Abstract

Water-quality deterioration and eutrophication of the Lake Dianchi have acquired more and more attention in the last few decades. In this paper, the spatial and temporal eutrophication status of the Lake Dianchi was assessed. The comprehensive trophic state index was chosen to assess the trophic status of the Lake Dianchi in the past 13 years. The result reveals that the trophic condition of Caohai is more serious than that of Waihai. Most of time Caohai was in extremely hypereutrophic state from 1988 to 2000. The trophic condition of Waihai had a worsening tendency from 1988 to 2000. Waihai was in eutrophic state before 1995, but it got in a hypereutrophic state after 1995. It was pointed out that TN and TP were the two biggest contributors of CTSI m in both Caohai and Waihai.

Key words

Lake Dianchi Caohai Waihai eutrophication assessment TSI 

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Copyright information

© Springer 2005

Authors and Affiliations

  • Xing Kexia 
    • 1
    Email author
  • Guo Huaicheng 
    • 1
  • Sun Yanfeng 
    • 1
  • Huang Yongtai 
    • 2
  1. 1.College of Environmental SciencesPeking UniversityBeijingChina
  2. 2.Yunnan Institute of Environmental ScienceKunmingChina

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