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Position: Home > Articles > The Growth and Survival of Hippophae rhamniodes subsp.sinensis in Response to Irrigation Intensity and Initial Density in MuUs Sand-land Journal of Northwest Forestry University 2011,26 (3) 107-111

毛乌素沙地中国沙棘存活及生长对灌水和密度的响应

作  者:
李孙玲;李甜江;李根前;代光辉;肖智勇;李允菲;高甲荣
单  位:
北京林业大学;西南林业大学
关键词:
中国沙棘;灌水强度;初植密度;生长量;存活率
摘  要:
为了解毛乌素沙地水分条件与中国沙棘造林成效的关系,对不同灌水强度和初植密度幼林的成活率及生长量进行了对比分析。结果表明:存活率和生长量随着灌水强度的增大呈先升后降的趋势,适宜于存活的最佳灌水量为1 200 mm,适宜于生长的最佳灌水量为1 500 mm;存活率及地径、冠幅生长量随着初植密度的增大也呈先升后降的趋势,适宜于存活的最佳造林密度为4 444.0株.hm-2。
译  名:
The Growth and Survival of Hippophae rhamniodes subsp.sinensis in Response to Irrigation Intensity and Initial Density in MuUs Sand-land
作  者:
LI Sun-ling1,LI Tian-jiang1,2,LI Gen-qian1,DAI Guang-hui1,XIAO Zhi-yong1,LI Yun-fei2,GAO Jai-rong2(1.Southwest Forestry University,Kunming,Yunnan 650224,China;2.Beijing Forestry University,Beijing 100083,China)
关键词:
Hippophae rhamniodes subsp.sinensis;irrigation intensity;initial density;growth increment;survival rate
摘  要:
In order to understand the relationship between water conditions and afforestation effect of Hippophae rhamniodes subsp sinensis in MuUs sand-land,different irrigation intensities and initial density on survival rate and growth increment of the young forest were analyzed.The results showed that optimum irrigation intensity existed,the survival rate and growth increment increased and then decreased as the increase of irrigation intensity.The optimum irrigation intensities for survival and growth were 1 200 mm and 1 500 mm,respectively.It also has an optimum initial density.The survival rate and growth increment of ground diameter and crown width increased and then decreased as the increase of initial density.The optimum initial density for survival was 4 444 ind·hm-2.

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