Diversity of bryophytes in urban area of Nanjing, China

doi:10.13287/j.1001-9332.201806.003

Abstract

Abstract: Bryophytes are morphologically special higher plants, with unique ornamental values and a wide application prospect. Its species richness was just secondary to angiosperms. To more effectively utilize bryophytes for greening and landscape construction, 77 plots in 10 green spaces were investigated in urban area of Nanjing. 55 species belonging to 36 genera and 21 families were recorded, among which Pottiaceae and Thuidiaceae were widely distributed. The species richness in green space gradually reduced from the center to the surrounding areas of the city. The 10 green spaces could be clustered into three groups based on bryophyte diversity, habitats, human distur-bance frequency, green space areas. Results from Canonical correspondence analysis (CCA) showed that canopy density, humidity, and substrate types were the major environmental factors the distribution of bryophytes. In Nanjing, most bryophytes preferred to grow in moderate humidity and open areas.

Key words: bryophyte, diversity, canonical correspondence analysis., cluster analysis

JING Lei, LU Jian-guo, XIA Wen. Diversity of bryophytes in urban area of Nanjing, China[J]. Chinese Journal of Applied Ecology, 2018, 29(6): 1797-1804.

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