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Title:: THE CHARACTERISTICS, UTILIZATION AND PROTECTIONOF THE FLORA OF WETLAND IN JIANGSU PROVINCE

Author(s):: Tang Gengguo Li Xiangping Xie Jibu(College of Forest Resources and Environment Nanjing Forestry University Nanjing 210037)Xu Huixiang; The Agriculture and Forestry Department of Jiangsu Province

Abstract:: Located on seacoast of the southeastern part of China, the coast line of Jiangsu Province is as long as 954 km. With a lot of fresh water lakes and rivers both south and north Yangtzi River, Jiangsu Province is rich in wetland resources. The natural wetland, with total area of 5.48×105 hm2, can be grouped into 6 types:littoral wetland, lake beach wetland, river beach wetland, islet in the river wetland, swampy meadow and island snakbar wetland. There are 484 species (include cultivars) of 252 genera in 81 families of vascular plants in the flora. According to the differences of distrbution patterns of 246 genera of seed plants in the wetland of Jiangsu Province, 14 (15) distribution patterns are listed. The characteristics of the flora show an obvious character of temperate zone, 98 genera have the temperate geographical elements, making up 61.8% of the total. The flora is not remarkable in endemicity, only the genus of Thyrocarpus endemic to China. Moreover, the flora is rich in monocotyledons which amount to 199 species and 8 varieties in 92 genera, making up 45.2% of the total plant species. The utilization and protection of Jiangsu wetland plant resources were discussed in the paper.