南昌市城区苔藓植物区系

Floristic analysis of bryophytes in the urban area of nanchang

对南昌市城区苔藓植物种类和地理区系组成进行了详细分析研究。共采集、鉴定苔藓植物26科、56属、85种,其中苔纲7科、8属、8种;藓纲19科、48属、77种。区系分析结果表明:南昌市苔藓植物区系主要成分为东亚种和北温带种,分别占27.54%和26.09%;热带亚洲和中国特有种也较多,均占14.49%。与杭州、苏州、盐城、沈阳、遵义的植物区系相比,南昌苔藓植物区系成分与杭州和苏州更相似,热带成分/温带成分(R/T)比值显示南昌的热带属性更强。

The flora of bryophytes in the urban area of Nanchang city was analyzed from 2010 to 2012.In total,there were 85 species found belonged to 56 genera in 26 families of bryophytes.All the species were collected and verified.It was found that 8 species belonging to 8 genera in 7 families were liverworts,while the rest 77 species belonging to 48 genera in 19 families were mosses.Floristic analysis showed that East Asian and North Temperate are the major elements,accounting for 27.54% and 26.09% respectively.The elements of Tropical Asia and Endemic to China were also rich,accounting for 14.49%.Compared to the distribution of Hangzhou,Suzhou,Yancheng,Shenyang,and Zhunyi,Nanchang was more similar to Hangzhou and Suzhou,and the R/T （tropical/temperate character）value of the bryoflora in Nanchang was highest in all six cities.