检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:彭艳红[1] 靖玉明[2] 刘道行[2] 孟飞[2]
机构地区:[1]山东财政学院金融学院,山东济南250014 [2]山东大学环境科学与工程学院,山东济南250100
出 处:《中国人口·资源与环境》2010年第1期134-137,共4页China Population,Resources and Environment
摘 要:通过对南水北调东线南四湖新薛河入湖口湖滨带人工湿地修复区的植物群落组成和物种多样性进行调查,采用Shannon-Wiener指数、Simpson指数、均匀度指数和丰富度指数对该地区的植物物种多样性进行分析,以评价退耕还湿措施对湖滨带退化湿地的生态修复效果。结果表明,经过2年的生态修复工作,湖滨带退化湿地中的植物物种数量由修复前的16科25种提高到修复后的24科47种。修复后的湖滨带湿地生态系统具有较高的生物多样性,其物种多样性明显高于未修复地区,其中,修复后的湿地高位台田区Shannon-Wiener指数、Simpson指数、均匀度指数分别为1.619、0.745和0.860,远高于未修复高位台田区的0.060、0.012和0.065。通过退耕还湿措施修复的湖滨带人工湿地系统对于恢复南四湖湿地的物种多样性、实现湖滨带湿地生态系统的自然可持续性具有重要的意义。The methods of Shannon-Wiener index, Simpson index, community evenness index and abundance index were used to analyze the conanunities' composition and species diversity in the restoring constructed wetland ecosystem of Xinxue River in Nansi Lake, eastern mute of South-to-North Water Transfer. Through returning land for farming to wet land the effect of ecological rehabilitation on the degenerative lakeshom wetland was evaluated. The results showed that the species of wetland plant were 47, belonging to 24 families after ecological rehabilitation for two years, higher than that with 25 species, belonging to 16 families in raised fields-fish ponds area. The biodiversity index and abundance index of rehabilitative wetland were bigger than those of raised fields-fish ponds area without ecological rehabilitation. And Shannon-Wiener index, Simpson index and community evenness index of raised fields in rehabilitative wetland were 1. 619, 0. 745 and 0. 860, higher than those with 0. 060, 0. 012 and 0. 065 of raised fields without rehabilitation, respectively. The lakeshore constructed wetland system played an important role in protecting the speeies diversity and implement of natural durative lakeshore wetland ecosystem by the measure of returning land for farming to wetland.
关 键 词:南水北调 南四湖 人工湿地 生态修复 物种多样性
分 类 号:X176[环境科学与工程—环境科学]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.70