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- W3147782018 abstract "4 seasonal sampling was conducted to study the effects of the temporal and spatial difference in rotifer community structure in response to water quality variation in the Qingshan Reservoir in upstream of East Tiaoxi River, Zhejiang. 30 species and 9 families were identified. Dominant species were Polyarthra dolichoptera and Polyarthra trigla, of which the latter is a pollution indicator species, showing that the water was in the state of moderate pollution. The annual average density of rotifer was 171.8ind./L, and the annual average biomass was 0.0158mg/L. Correlation analysis between reservoir physical and chemical factors and rotifer community biological index shows that water temperature and dissolved oxygen were the main impact factors on rotifer community succession. According to the community structure of rotifers, the reservoir could be divided into 4 areas. Principal component analysis shows that water quality declining might be associated with the increase of nutrients, especially nitrogen. Combining the physicochemical index, trophicstate index, diversity index, and dominant species of rotifers indicator species, we assume that the water quality was between moderate and serious contamination level from year 2012 to 2013. The data also indicate that the nutrition level is in moderate eutrophication, and environment pollution in the reservoir water was serious. Since the physicochemical index and rotifer bio-indicators reflected the results of water quality consistently, we suggest that rotifer community can be used as a biological index to evaluate the quality of water mass in the Qingshan Reservoir." @default.
- W3147782018 created "2021-04-13" @default.
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- W3147782018 date "2015-01-01" @default.
- W3147782018 modified "2023-09-23" @default.
- W3147782018 title "EFFECTS OF TEMPORAL AND SPATIAL DIFFERENCE IN ROTIFER COMMUNITY STRUCTURE CHARACTERISTICS ON WATER QUALITY VARIATION IN THE QINGSHAN RESERVOIR" @default.
- W3147782018 hasPublicationYear "2015" @default.
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