摘要: |
鄱阳湖是我国第一大淡水湖泊。湖内水生植物主要由亚热带至温带、热带至温带的常见种类和世界广布种所组成。将鄱阳湖与泸沽湖、洪湖、白洋淀和镜泊湖等湖泊植物区系相比较,可以明显看出鄱阳湖与洪湖植物区系的相同系数最大(31.4%);而与温带性的高山深水湖泸沽湖及北温带性湖泊镜泊湖的相同系数较小(12.5-14.2%)。这表明:鄱阳湖水生植物区系具有明显的亚热带特点。 |
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DOI:10.18307/1990.0107 |
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Phytogeographic characteristics of aquatic flora in Poyang Lake |
Guan Shaofei
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Jiangxi Academy of Sciences, Nanchang
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Abstract: |
Poyang Lake of Jiangxi Province is the largest freshwater lake in China. There are abundant aquatic plants, including flowering plants of 37 families, 70 genera, 98 species. Although Poyang Lake is located in the subtropic zone, the floristic elements are complexly composed of the common species of subtropic-temperate, tropic-temperate and cosmopolitan. As compared respectively with the floras of Lugu Lake, Honghu Lake, Baiyandian Lake and Jingbo Lake, the flora of Poyang Lake is found more similar to that of Honghu Lake than to those of the other lakes, showing that the flora of Poyang Lake has a, character of subtropic. |
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