摘要
苔藓植物拥有优异的环境指示功能,是评价保护地生境条件和保护价值的重要指标。收集鉴定江西峤岭自然保护区的苔藓植物186种,其中:真藓门33科,66属,142种;地钱门19科,25属,43种;角苔门1种。真藓门/地钱门物种比3.30,显示保护区整体环境稍干。划分苔藓植物分布类型13种,其中东亚分布(32.80%)、热带亚洲分布(19.35%)和北温带分布(17.74%)为3种主要分布类型。温带分布类型物种在优势科中居多;一些典型热带分布物种在局部微生境中得以保存,其中无边匐灯藓在世界范围仅零星记录,显示这类中亚热带低海拔生境具潜在重要保护价值。基于区系谱数据的聚类分析,建议将峤岭与江西省内大部分保护区划归入新“华中区”,而赣东北的桃红岭并入“华东区”。
Bryophytes serve as valuable ecological indicators and are crucial for assessing the habitat conditions and conservation value of protected areas.The bryophyte resources in Qiaoling Nature Reserve were investigated,and the bryoflora and its location in China were analyzed.A total of 186 bryophyte species were identified,including 142 species of Bryophyta in 66 genera and 33 families,43 species of Marchantiophyta in 25 genera and 19 families,and a single species of Anthocerotophyta.The species ratio of Bryophyta to Marchantiophyta was 3.30,indicating a slightly dry overall environment.The top three floristic components and their proportions were East Asia(32.80%),Tropical Asia(19.35%),and North Temperate(17.74%).The species of temperate distributed type were dominant in dominant families,while some typical tropical distribution species were preserved in local microhabitats,such as the sporadic records of Plagiomnium elimbatum worldwide.This indicated that these low-altitude habitats in the middle subtropical region have potential conservation value.Based on the model cluster analysis and the hierarchical cluster analysis,Qiaoling and most of the protected areas in Jiangxi Province can be classified into the new“Central China Region”,while Taohongling in northeast Jiangxi can be incorporated into the new“East China Region”.
作者
蔡奇英
许依铭
罗红梅
管毕财
李恩香
刘以珍
CAI Qiying;XU Yiming;LUO Hongmei;Guan Bicai;LI Enxiang;LIU Yizhen(School of Life Sciences,Nanchang University,Nanchang,330031,China)
出处
《南昌大学学报（理科版）》
CAS
2024年第2期166-172,共7页
Journal of Nanchang University(Natural Science)
基金
国家自然科学基金资助项目(32360325,41761103)
江西省自然科学基金资助项目(2018BA214004,2021BAB205030)。
