当前位置: 首页 > 文章 > 峨眉山常绿阔叶林常绿和落叶物种叶片C、N、P研究 浙江林业科技 2009,29 (3) 9-13
Position: Home > Articles > Study on C, N, P Content in Leaf of Evergreen and Deciduous Trees in Evergreen Broad-leaved Forest at E'mei Mountain Journal of Zhejiang Forestry Science and Technology 2009,29 (3) 9-13

峨眉山常绿阔叶林常绿和落叶物种叶片C、N、P研究

作  者:
蔡艳;张毅;刘辉;张锡洲
单  位:
四川农业大学资源环境学院
关键词:
峨眉山;常绿阔叶林;落叶树种;化学计量学;氮磷比
摘  要:
采用常规方法对峨眉山常绿阔叶林的常绿和落叶物种植物C、N、P含量及其之间的相互关系进行了研究,结果表明:①峨眉山常绿阔叶林常绿物种叶片C、N、P平均含量分别为42.30%、1.46%、0.10%;落叶物种叶片C、N、P平均含量分别为41.078%、1.59%和0.12%。常绿和落叶物种植物叶片N-P成极显著的乘幂关系,而C-N和C-P关系不显著;②峨眉山地区常绿阔叶林常绿物种叶片N/P比平均值为14.48,落叶物种的N/P比平均值为13.61,其对生态环境的适应性较低;③在峨眉山海拔700、1 100和1 500 m处,植物叶片N-P亦成显著的关系,而植物叶片C-N和C-P关系不显著。
译  名:
Study on C, N, P Content in Leaf of Evergreen and Deciduous Trees in Evergreen Broad-leaved Forest at E'mei Mountain
作  者:
CAI Yan,ZHANG Yi,LIU Hui,ZHANG Xi-zhou(College of Resources and Environment,Sichuan Agricultural University,Ya’An 625014,China)
关键词:
E’mei Mountain;evergreen broad-leaved forest;deciduous species;Stoichiometry;N/P ratio
摘  要:
Study was made on C,N,P content in leaf of evergreen and deciduous trees in evergreen broad-leaved forest at E’mei Mountain,Sichuan province and relationship among them.The result showed that mean content of C,N,P in evergreen species was respectively 42.30%,1.46% and 0.10%,while that in deciduous one was 41.078%,1.59% and 0.12%.N content in the tested forest leaves had close relation with P content,while no evident relation between C and N,C and P.The average N and P ratio in leaf from evergreen species was 14.48 and 13.61 from deciduous ones,indicating low adaptive faculty to local ecological environment.

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