文献类型：期刊文章

作　　者：陈欣[1] 王兆骞[1] 唐建军[2]

机构地区：[1]浙江农业大学农业生态研究所,杭州310029 [2]浙江大学生物科学与技术系,杭州310027

出　　处：《生态学杂志》

基　　金：国家自然科学基金!资助项目(项目编号:39870149)

年　　份：2000

卷　　号：19

期　　号：4

起止页码：50-52

语　　种：中文

收录情况：AJ、BDHX、BDHX1996、BIOSISPREVIEWS、CAS、CSCD、CSCD2011_2012、GEOBASE、JST、SCOPUS、ZGKJHX、ZR、核心刊

摘　　要：Weeds are one of the most important factors affecting agricultural production and have been controlled. People have paied more and more attention to the ecosystem functions of weeds recently. This paper gives a simple description on recent studies of the ecosystem functions and the conserving approaches of weeds in agroecosystem. It is suggested that it is necessary to understand the positive and negative impacts of the weeds on agricultural production and ecosystem functions. This would help determine how agriculture objectives and practices could be modified to enhance the conservation of the weeds and other biological resource for the long -term viability of agriculture.

关 键 词：农业生态系统 杂草 多样性保护  生态学功能  

分 类 号：S181] Q16]