南方农业学报2012，Vol.43Issue(10)：1544-1548,5.DOI:10.3969/j.issn.2095-1191.2012.10.1544
和田河流域胡杨林更新复壮技术
Rejuvenation techniques of P. euphratica forest in Hetian river basin
摘要
Abstract
The rejuvenation technique of P. euphratica forest in Hetian river basin was studied in order to offer technological support for the restoration of P. euphratica forest in the currently dry and deserted river bank.[Method] After diverting the flood water, 2 mx2 m quadrats were set to investigate the recovery of P. euphratica and tamarisk in an alluvial flat; 4 mx50 m quadrats were set to investigate P. euphratica sprout and regeneration by digging trenches to cut the tree's root. [Result]After the manually created flood, P. euphratica seedlings survived easily under silts and sand-based conditions. After cutting the tree roots, the number of regenerating seedling was 23 to 40 times higher than those seedlings not diverted from the food water. The number of root-cut regenerating seedling from areas exposed to sunlight was 2 times higher than those seedlings from areas not exposed to sunlight. [Conclusion]When digging a dike, the distance from the dike to the seed tree should be no more than 5 m and the depth of the dike should be from 0.5 m to 0.7 m deep. Irrigation by delivering flood water was a necessary condition for P. euphratica forest recovery and sprouting root sucker. Cutting roots has better regenerating effects than flood-guiding on seedling quantity, and digging trenches was one of the most effective measures for P. euphratica forest recovery. Flood梘uiding was beneficial for promoting P. euphratica seedlings gr-woth and seedlings quantity.关键词
胡杨林/开沟断根/引洪/幼苗更新/和田河流域Key words
P. euphratica forest/ digging dike and cutting root/ flood-guiding/ seedling regeneration/ Hetian riverbasin分类
农业科技引用本文复制引用
朱玉伟,桑巴叶,陈启民,刘康,武卫疆,褚奋飞..和田河流域胡杨林更新复壮技术[J].南方农业学报,2012,43(10):1544-1548,5.基金项目
国家科技支撑计划项目(2009BAC54B04) （2009BAC54B04）
