林木抗旱性机理研究进展

Research Advances in Mechanisms of Tree Species Drought Resistance

研究林木的抗旱性,了解林木的干旱适应性机制,对干旱区造林绿化,改善生态环境,发挥森林经济生态效益具有巨大的基础作用。文章从林木形态特征、生理代谢等与林木抗旱机理的关系等方面对近年来林木抗旱性研究现状进行综述。阐述了林木的抗旱性研究现状、存在问题及发展趋势。

The study of drought resistance of forest trees and the mechanism of drought adaptability of trees would be of great importance to the afforestation,the improvement of ecological environment and the economic and ecological benefits of forests.In this paper,the research status of forest drought resistance in recent years was reviewed from the aspects of relationship between tree morphological characteristics,physiological metabolism and the mechanism of drought resistance of trees.The present situation,existing problems and development trend of forest drought resistance were expounded