Annual study on macrophytes and its influence factors of two fields in Gonghu Lake and Meiliang Lake

Two fields in Gonghu Lake and Meiliang Lake were investigated for one year. The data of macrophytes, water quality and sediment were analyzed. Results showed that 1) the macrophytes communities of Gonghu Lake include Phragmites Communis Trin., Potamogeton malaianus + Nymaphoides peltata + Myriophyll...

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Veröffentlicht in:Huan jing ke xue yan jiu 2006-01, Vol.19 (3), p.29-33
Hauptverfasser: Wang, Xingmin, Chen, Shuqin, Jing, Xiangcan, Hu, Sherong, Wang, Zhirong, Liu, Jianling
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Sprache:chi
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Zusammenfassung:Two fields in Gonghu Lake and Meiliang Lake were investigated for one year. The data of macrophytes, water quality and sediment were analyzed. Results showed that 1) the macrophytes communities of Gonghu Lake include Phragmites Communis Trin., Potamogeton malaianus + Nymaphoides peltata + Myriophyllum spicatum L. and Potamogeton malaianus community; the macrophytes communities of Meiliang Lake include Phragmites Communis Trin. + Alternant hero philoxeroides Griseb, Phragmites Communis Thin. and Potamogeton crispus community. 2) Macrophytes in Gonghu Lake mainly grow in spring, summer and autumn, and in Meiliang Lake mainly grow in winter and spring. 3) There is significant difference in current species of macrophytes, especially submerged plants between the two lake fields, and the hydraulic condition, the total nitrogen content in water and nutrient content in sediment should he the important factors of this difference.
ISSN:1001-6929