摘要
对皖东丘陵地区麻栎人工林的生长特性和林分结构作了全面地调查研究,并结合群众生产经验,提出了有效的栽培模式和栽培技术,建立了较大规模的示范林。其中薪炭林经营模式,10a生左右的林分,平均胸径达7—8cm,平均高7m以上,年生产薪材9000—10500kg/hm^2(鲜重),最高达15000kg/hm^2;而用材林经营模式,20—30a即可培育成中小径阶用材,40—60a可培育成胸径达24cm以上的大径阶用材,年材积生长量6—9m^3/hm^2,最高可达12m^3/hm^2,成为该地区的高产林分,能取得较好的生态、经济和社会效益,为该地区黑松等低效林改造提供了重要参考。
In this article, the growth and stand structure of Quercus acutissima plantations were studied to explore its effective cultivation models and techniques in the hilly areas of east Anhui. The results showed that the average diameter at breast height (DBH) and the average height was 7 -8 cm and over 7 m respectively in the ten years old fuel forest stands of Q. Acutissima. The average annual fuel wood volume was ranged from 9 000 to 10 500 kg/hm^2 (fresh weight) and the maximum was reached to 15 000 kg/hm^2. While in the model of timber forests of Q. Acutissima, 20 - 30 years old trees could grow into the middle and smaller diameter timber and the 40 - 60 years old trees could be used as the larger diameter timber with the average DBH more than 24 cm. The average annual volume was ranged from 6 to 9 m^3/hm^2 and the maximum was reached to 12 m^3/h^2. This indicated that the Q. Acutissirna plantation could be high-yield forests with well ecological, economical and social benefits in this area when the cultivation modes and techniques were applicable. It also provided the important basis for the improvement on the lower-effect forests ( e. g. Pinus thunbergii, ) in the Chuzhou areas.
出处
《林业科技开发》
2009年第4期81-84,共4页
China Forestry Science and Technology
基金
国家"十一五"科技支撑计划子专题:"植被恢复与特色资源高效培育与利用技术试验示范"(编号:2006BAD03A16)
关键词
麻栎
薪炭林
用材林
经营模式
低效林
Quercus acutissima
Fuel forest
Timber forest.
Management pattern
Lower-effect forest