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
机构地区:[1]华中农业大学,武汉430070
出 处:《湖北林业科技》2016年第2期9-12,共4页Hubei Forestry Science and Technology
基 金:国家公益性行业(气象)科研专项"气候和徒弟利用变化对森林的影响及适应对策"(GYHY201406072)
摘 要:采用样地调查法,对麻城市五脑山林场枳椇群落特征进行分析,结果表明:该群落为以枳椇为优势种的单优群落,含维管束植物39科54属56种,这些属可划分为10个分布区类型,表现为从亚热带向温带过渡、具有南北交融的特点;群落植物生活型以高位芽植物为主,地面芽植物次之;枳椇群落结构复杂,可分为乔木层、灌木层和草本层,层间植物丰富;由于人类活动的干扰,群落乔木层多样性较低,表现出明显的次生性,该群落亟待科学有效地保护。The sample survey method was adopted to analyze Hovenia acerba community characteristics in Macheng City Wunaoshan Forest Farm,and the results showed that the community definite Hovenia acerba as the dominant species of single communities,included56 species 54 genera and39 families,these could be divided into10 areal types,performance for the transition from subtropical to temperate zone,had the characteristics of the north and south blend;Community species life form was given priority to with phanerophyte,hemicryptophyte take second place;Hovenia acerba community structure was complex,it could be divided into three layers of tree layer,shrub layer and herb layer,interlayer plant was rich;Due to the interference of human activities,community diversity of tree layer was low,it showed obvious secondary property,the community needs to be scientific and effective protection.
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:216.73.216.15