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Understory flora and community physiognomy of planted forests in the degraded purple soil ecosystem, South China

Journal of Forestry Research 2005年第2期16卷 109-112页

作者： YUZhan-yuan YUEYong-jie GUOJian-fen CHENGuang-shui XIEJin-sheng HEZong-ming YANGYu-sheng FujianNormalUniversity Fuzhou350007P.RChina InstituteofAppliedEcology ChineseAcademyofSciencesShenyang110016P.R.China／／GraduateSchoolofChineseAcademyofSciencesBeijing100039P.R.China sichuanacademyofforestry Chengdu610081P.R.China FujianAgricultureandForestryUniversity Nanping353001P.R.China

The flora and community physiognomy of degraded plantation ecosystems onpurple soil were investigated in Ninghua County of Fujian Province, China to understand therelationship between plant diversity and ecosystem processes.. Four different restorationcommunities (labeled as ecological restoration treatment Ⅰ, Ⅱ, Ⅲ and Ⅳ) were selected byspace-time replacement method according to the erosion intensity in degraded purple soil *** results showed that there were totally 86 plant species belonging to 78 genera and 43 familiesin the degraded purple soil ecosystem. Of the 15 types of distribution area in spermatophyte genus,12 types were found in the purple soil ecosystem. Along restoration gradient from low to high, plantgrowth type and life form spectra became abundant more and more, and the spermatophyte genera foreach distribution area type and genera numbers for different foliage characters increased as *** is concluded that the plant flora and physiognomy in ecological restoration process become morecomplex and diverse, indicating that the forest ecosystem on purple soil tends to be more stable.

关键词： purple soil flora community physiognomy biodiversity ecosystem processes

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