摘要
对江西分宜县山下林场 14、16地位指数级杉木林不同间伐强度固定样地林下植被作了研究。结果表明 ,植物种组成、重要值、结构、盖度及生物量均随间伐强度而不同。对照与弱度间伐的盖度与生物量均小于中度与强度间伐的 ,前者分别为 35 %～ 6 0 %与 15 0 0～ 3 0 0 0 kg·hm- 2 ,后者分别为 70 %～ 80 %与 5 0 0 0～ 70 0 0 kg·hm- 2。中度和强度间伐都可以促进林下植被良好发育。
Through continuous studies to Forest vegetation of sample area's intensity of different selected deforestation which locates Sanxia forest farm among 14 or 16 locality index Cunninghamia lanceolate.The result shows that the construction,the density of the important value,the construction,the density of covering and the quantity of living things all are different from intensity of selected deforestation.By contrast with weak cut.The density of covering and quantity of living things both are smaller than middle and intensity cut.The former is from about 35% to 60% and from 1 500 to 3 000kg·hm -2 ,the latter is from about 70% to from 80% and 5 000 to 7 000kg·hm -2 ,The middle intensity and the intensity of selected deforestation both can promote the healthy development of forest vegetation.
出处
《江西林业科技》
2001年第4期5-8,共4页
Jiangxi Forestry Science and Technology
关键词
杉木
人工林
间伐强度
林下植被
生物量
发育
Artificial Cunninghamia lanceolata
Selected Deforestation
Forest Vegetation
The quantity of living things.
