江西省铜钹山自然保护区苔藓植物区系研究

来源 :中国植物学会八十周年年会 | 被引量 : 0次 | 上传用户:jmzhao8888
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研究了江西省铜钹山自然保护的苔藓植物区系.鉴定发现苔藓植物共计60科130属285种(含3个变种),其中苔纲26科43属94种(含1个变种);角苔纲1种;藓纲33科86属190种(含2个变种).≥6种的优势科有17科,占物种总数的68.4%.苔藓植物区系成分以东亚成分(34.74%)、北温带成分(19.30%)和热带亚洲成分(16.14%)为主,R/T比值为0.38.比较全国27个山区苔藓植物区系,结果发现中国苔藓植物地理分布可分南北两部,两者的分界线西起秦岭山系,东至泰沂山系;铜钹山的苔藓植物区系特点与江西省内的阳际峰和马头山相近,表现出热带向北温带转换的过渡性质.
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