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Shahid Mahboob Rana

Professor

Faculty

كلية العلوم
69AB Builiding No. 5 P. O. Box 2455 College of Science
publication
Journal Article
2019

Seasonal dynamics of zooplankton functional group and its relationship with physicochemical variables in high turbid nutrient-rich Small Xingkai Wetland Lake, Northeast China

In this study, the concept of functional traits was used to classify zooplankton into functional groups and their seasonal dynamics were determined in relation to physico-chemical factors in a highly turbid and nutrient-rich wetland. This study revealed a seasonal variation of both physico-chemical factors and biomass of zooplankton functional groups. Water temperature (TEP), total phosphorus (TP), ferrous ion (Fe2+) and total carbon (TC) were significantly higher in summer while water transparency (SD) was notably higher in spring. Zooplankton functional group biomass was higher in summer (5.11 mg/L) followed by winter, autumn and spring (0.91, 0.72 and 0.28 mg/L, respectively). Large copepods and cladoceran carnivore (LCC) was the dominant functional group in spring accounting for about 86.7% of the total biomass. In summer, MCF (Middle copepods and cladocerans filter feeders) was the dominant group probably because of the optimal temperature and availability of nutrients. Pearson correlation and RDA analysis results suggested that Fe2+, TP and TEP were the major factors influencing zooplankton functional groups. Notably, turbidity was not the main factor despite the fact that Small Xingkai Wetland Lake is a very turbid lake. The variation of zooplankton functional groups among seasons highlights the role of physico-chemical factors in structuring zooplankton composition.

Publication Work Type
Research
Publisher Name
Taylor & Francis
Issue Number
DOI: 10.1080/02705060.2018.1443847
Magazine \ Newspaper
Journal of Freshwater Ecology
Pages
65-79
more of publication
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Published in:
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In this study, the concept of functional traits was used to classify zooplankton into functional groups and their seasonal dynamics were determined in relation to physico-chemical factors in a…

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Published in:
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