摘要
通过样方调查法,研究了影响陕北黄土高原丘陵沟壑区油松飞播造林成效的因素,结果表明,从幼苗保存和生长发育情况来看,以蒿属植物群落最好,乔木次之,白羊草、黄菅草群落较差,灌丛最差;单位面积幼苗数和有苗面积比例阴坡、半阴坡>阳坡、半阳坡,坡中部>梁峁顶部>坡下部。
The effect of ariel afforestation with Pinus tabulaeforrnis in loess plateau of north of Shaanxi was studied. The result showed that sagebrush community performed well, followed by trees and Bo- thriochloa ischaemum. Shrub performed very badly from the perspective of growth and development. From the perspectives of the seedling number and seeded area, the shady slope and semi-shady slope have better effect than that of sunny slope and semi-sunny slope, and the effect in the middle of slope was best, followed by the top of slope and bottom of the slope.
出处
《陕西林业科技》
2012年第6期31-33,共3页
Shaanxi Forest Science and Technology
关键词
陕北
黄土高原丘陵沟壑区
油松
飞播
出苗率
North of Shaanxi
gullied loess plateau Pinus tabulaeformis ariel afforestation
germi-nation rate
