不同恢复年限下洪泽湖湿地植物群落物种多样性  

Species diversity of plant communities in wetlands of the Hung-tse Lake under various restoration periods

作　　者：陈龙 李成之 许志敏 张洺也 佟守正[1] 安雨[1] 崔庚 吕宪国[1] 姜明[1] Chen Long;Li Chengzhi;Xu Zhimin;Zhang Mingye;Tong Shouzheng;An Yu;Cui Geng;Lyu Xianguo;Jiang Ming(Northeast Institute of Geography and Agroecology,Chinese Academy of Science,Changchun 130102,Jilin,P.R.China;Jiangsu Province Sihong Hongze Lake Wetland National Nature Reserve Management Office,Suqian 223900,Jiangsu,P.R.China)

机构地区：[1]中国科学院东北地理与农业生态研究所,吉林长春130102 [2]江苏省泗洪洪泽湖湿地国家级自然保护区管理处,江苏宿迁223900

出　　处：《湿地科学》2025年第1期181-189,共9页Wetland Science

基　　金：江苏南水北调东线湖网地区山水林田湖草沙一体化保护和修复工程子项目(JSFH2305040FZ);博士后研究人员计划项目(GZC20232639)资助。

摘　　要：植物群落是湿地生态系统净初级生产力与物质能量流通的贡献主体,研究退渔还湿背景下植物群落的生态特征及其与土壤环境因子之间的关系,对于评估退化湿地恢复效果、指导受损湿地恢复实践具有重要意义。以洪泽湖地区不同恢复年限退渔还湿地为研究对象,基于野外调查方法,研究不同恢复年限(0 a、1 a、10 a和20 a)湿地植物群落生态特征及其与土壤环境因子的关系。结果表明,洪泽湖地区不同恢复年限退渔还湿地内共分布湿地植物9科18属18种;各样地内植物物种数量随恢复年限增加呈现波动变化特征,且不同恢复年限湿地植物物种组成结构差异明显;退渔还湿10 a和20 a样地内植物物种多样性显著高于其他样地;土壤有机质和总氮含量是驱动退渔还湿地植物群落物种组成变化的关键因素,且其与植物群落物种多样性之间存在显著协同关系。Plant communities exert a pivotal influence on wetland ecosystems,directly impacting net primary productivity and material-energy cycling.The study of plant communities and their relationship with soil environmental factors,particularly in the context of fishery withdrawal for wetland restoration,is of great importance for the assessment of restoration effects of degraded wetlands and the guidance of wetland restoration practices.This study aimed to investigate the ecological characteristics of plant communities and their relationships with soil environmental factors in restored wetlands after different fishery withdrawal time(0 year,1 year,10 years,and 20 years).To achieve this,a field survey was conducted in the Hongze Lake area.The findings revealed that a total of 18 species of wetland plants,encompassing 9 families and 18 genera,were observed across wetlands with varying restoration durations.The number of plant species in various areas fluctuated with the increase of restoration years,and the composition and structure of plant species in different restoration years were significantly different.The diversity of plant species at the 10-years and 20-years restoration sites were found to be significantly higher than those at the other sites.The variation in species composition of plant community in the wetlands was found to be driven by soil organic matter and total nitrogen content.Moreover,a notable synergistic relationship was discerned between these two variables and species diversity of plant community.

关 键 词：植物群落 物种组成 物种多样性 退渔还湿 洪泽湖 

分 类 号：Q948[生物学—植物学]