树木水分利用效率研究综述

摘要/Abstract

摘要： 在我国干旱半干旱地区,如何高效地利用极为有限的水资源来合理构建和恢复森林植被,并最大程度地发挥其多种功能,已经成为目前森林生态学研究中的一个热点,而对于树木水分利用效率(WUE)的研究则是其核心和关键内容之一。本文从介绍和剖析树木WUE的概念入手,分别在单叶、个体和群体等三个空间尺度上系统地阐述了WUE概念的内涵及其相应的计算方法,并且对各种方法的优缺点进行了评论。最后,在详细分析国内外树木WUE相关研究进展的基础上,针对我国干旱、半干旱地区水资源短缺和植被恢复与重建之间的矛盾,提出了今后树木WUE的研究发展趋势和应用前景.

关键词: 桉树人工林, 物种多样性, 连栽, 维持机制, 初始植物繁殖体组成假说

Abstract: How to use limited water resource to construct and restore forest vegetation effectively in arid and semi-arid region of China with the purpose of exerting multiple functions of forest ecosystem has become a new focus on the research of forest ecology,among which water use efficiency (WUE) of tree species is the core and key of related researches.In the paper,the connotation of water use efficiency (WUE) of tree species was discussed in details at leaf,individual and community scales,and the main measurement methods of WUE were reviewed and evaluated.Based on development of the study,trends of the research in the future were put forward,which could provide theory basement for vegetation construction and restoration in the regions.

Key words: Eucalypt plantation, Species diversity, Continuous cropping, Maintaining mechanism, Initial plant Diaspora

中图分类号:

S152.7

熊伟, 王彦辉, 于澎涛. 树木水分利用效率研究综述[J]. 生态学杂志, 2005, (4): 417-421.

XIONG Wei, WANG Yanhui, YU Pengtao. A review on the study of water use efficiency of tree species[J]. cje, 2005, (4): 417-421.

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