Title: TWINSPAN Classification of Zoobenthos and Evaluation of Water Quality in Hailang River in Spring
Abstract: The classification of zoobenthos and evaluation of water quality in seven testing spots of Hailang River in spring using TWINSPAN technique was studied in this paper.Collected annelid,mollusk and arthropod were divided into 4 classes,7 orders,9 families,14 genera and 18 species.Combined with pollution index,the analysis of TWINSPAN indicated that Hailang River's testing spots can be classified into four different types.One type included 6#,whose water quality is superior to the others.Another type of water quality was inferior to the first,involving 7#.The third type of water quality was worse,with 1# and 2# included.The last one was 3#、4#、5#.However,referring to their pollution indices,all of them belonged to different pollution levels.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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