南昌大学毕业论文范文.doc

文档介绍：南昌大学毕业论文范文
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NANCHANG UNIVERSITY
学 士 学 位 论 文
THESIS OF BACHELOR
（2007—2011年）
题 目
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摘要
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摘要
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摘要
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Abstract
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Nanchang wetland vascular plant diversity
Abstract
In This study,I investigated wetland vascular plants through field survey to collect data,access to relevant literature on several typical lakes and part of the section gan river in Nanchang,. In particular the lakes in Nanchang like Qian lake, Xiang lake, Qing shang lake and so on. Survey results show that in a total of 144 species of vaccular plants belonging to 44 families, species diversity is more abundant, this is the place in the subtropical and human impact on. Over the life form of wetland plants and annuals hemicryptophyte dominated by angiosperms based. Which contains more families are Gramineae and compositae, with more variety of the genus is genera Polygonum and sedges, the higher the frequency of the main species of Cynodon dactylon (L.) grass, imperata and so on. Investigation into the plant have been widely used in many wetland landscape, some species have some potential the study I carry out a survey on study along the gradient from the surface water ecotone, beach, far plants, the grass within the transitional zone , tree belt in Nanchang part of the order of wetland vascular survey area are: the Qian lake area of Nanchang University(no-cultivated garden plants), the Qian lake ,the Qian lakek, the Bayi brige to Shenmi bridge of the Gan River(Yuzhouwan Park), Qinqshan lake. In each secti