生态学杂志2013，Vol.32Issue(7)：1748-1755,8.
崇明东滩围垦区草本植物群落组成及物种多样性
Species composition and diversity of herb communities in Dongtan reclamation areas of Chongming Island, Shanghai
摘要
Abstract
The study of species composition and diversity of plant communities in reclamation area can provide references in understanding and protecting the biodiversity in reclamation area.In this paper,an investigation was conducted on the herb communities in the reclamation areas with different reclamation history in Dongtan of Chongming Island,aimed to understand the variation characteristics of species composition and diversity of herb communities during the succession.In the investigation area,a total of 49 herb species were recorded,belonging to 20 families and 45 genera,among which,Compositae and Gramineae occupied about 45％ of the total.Annual herbs dominated in the herb communities.With the increasing duration of reclamation,the species richness and diversity decreased after an initial increase,with the peak value in the 50 years of reclamation.The Jaccard index and Cody index all decreased after an initial increase with the increasing duration of reclamation,and the communities changed intensely in the 20-40 years of reclamation.Conductivity (salinity) was the main soil factor affecting the species diversity of the communities.关键词
生物多样性/崇明东滩/围垦/草本植物群落/演替Key words
biodiversity/ Dongtan of Chongming Island/reclamation/herb community/succession分类
生物科学引用本文复制引用
杨洁,余华光,徐凤洁,马明睿,由文辉..崇明东滩围垦区草本植物群落组成及物种多样性[J].生态学杂志,2013,32(7):1748-1755,8.基金项目
上海市生态环境调查与评估项目(44470321)资助. （44470321）
