Biodiv Sci ›› 1998, Vol. 06 ›› Issue (2): 81-86.DOI: 10.17520/biods.1998012
• 论文 •
The present paper introduced a broad outline of the diversity of protozoa on the globe , the position
in the biology and the relation to the human being. Considering that the protozoa in freshwater as an aggregate
group ecologically , its diversity and stress could be discussed. The stress resulting from anthropogenic sources
in an eutrophication lake —Donghu Lake in a period of half a century resulted in a ten2fold increase of protozoan
density and a succession of dominant species. The industrial pollution from the bank of the Three2Gorges Area
of the Yangtze River damaged at least 70 % species of protozoans. In the largest tributary of the Yangtze River , the Hanjiang River , a resource of drinking water , the protozoan diversity index indicated that water quality was in a critical status. In the unexploited Wuling Mountains Area in southwestern China , the protozoan
diversity demonstrated that the aquatic ecosystem in this area was healthy and stable.
SHEN Yun-Fen. The diversity status of freshwater protozoans and the pollution stress on protozoa in China[J]. Biodiv Sci, 1998, 06(2): 81-86.
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