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草-环境系统植物碳氮磷生态化学计量学及其对环境因子的响应研究进展 预览 被引量:81

Advances in the study on ecological stoichiometry in grass-environment system and its response to environmental factors
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摘要 生态化学计量学(ecological stoichiometry)是研究生物系统能量和化学元素(主要如C、N和P等)平衡的科学,为研究元素在生物地球化学循环和生态过程中的计量关系和规律提供了一种综合方法。陆地生态系统方面的研究虽然起步较晚,但近10年来也取得了较大的发展,已涉及到天然草原、森林、湿地和农田等亚系统,研究内容除了测定生态化学计量比,还将不同系统、功能群和物种间植物的计量学特征进行比较,以及将计量学特征与环境因子偶联研究。笔者对草-环境系统植物C、N和P生态化学计量学的研究进行了综合分析,重点论述了天然草原系统植物C、N和P生态化学计量学特征及其对环境因子的响应规律。 Ecological stoichiometry is the science studying the balance of energy and elements(i.e.C,N and P) in biological systems,providing an integrative approach to investigate the stoichiometric relationships and rules in the biogeochemical cycling and ecological processes.During the recent decade,progress has been achieved in the study on the ecological stoichiometry in terrestrial systems.Lots of efforts have been put in the research on the measurement of stoichiometric ratios in grassland,forest,wetland and arable land,etc.Concerns have been focused on the comparison of stoichiometric traits among different systems,functional groups and species,and on the coupling of the traits with environmental factors.In this review article,the advances in the study on ecological stoichiometry in grass-environment system were summarized,focusing on the stoichiometric traits in grassland system and its response to environmental factors.
作者 杨惠敏 王冬梅 YANG Hui-min,WANG Dong-mei(Key Laboratory of Grassland Agro-Ecosystems of Ministry of Agriculture,School of Pastoral Agriculture Science and Technology,Lanzhou University,Lanzhou 730020,China)
出处 《草业学报》 CSCD 北大核心 2011年第2期 244-252,共9页 Acta Prataculturae Sinica
基金 甘肃省自然科学研究基金(096RJZA057) 高等学校博士学科点专项科研基金(20070730032) 中央高校基本科研业务费专项资金(lzujbky-2010-5)资助
关键词 草类植物 元素计量比 环境因子 草-环境 grass elemental stoichiometry environmental factor grass-environment
作者简介 杨惠敏(1978-),男,湖北应城人,博士,副教授。Email:huimyang@lzu.edu.cn 通讯作者。E—mail:huimyang@lzu.edu.cn
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