摘要
本研究以江苏省宜兴市不同阔叶林投影面积比例的上阔下竹复合经营模式下的4片毛竹林和1片毛竹纯林为对象,分析比较了毛竹纯林和上阔下竹毛竹林的生产力。结果表明,上阔下竹复合经营模式下的毛竹林比毛竹纯林的生产力高,立竹平均胸径分别比毛竹纯林高出5.1%、12.2%、15.2%和16.4%,且随着山顶阔叶林投影面积比例的增大,毛竹林生产力呈现出先增后减的趋势;在试验林地条件下,阔叶林比例为42%时,毛竹林分有效生产力最大。可见,上阔下竹复合经营模式可以提高毛竹林生产力,增加竹林经营效益,是一种比较理想的竹林经营模式。
In this research, selected as the objects were four forests with different proportions of broad-leaved forests under the broadleaved forest and understory bamboo compound management pattern and one pure moso bamboo（Phyllostachys edulis） forest in Yixing City, Jiangsu Province. The productivity of each type of bamboo forests was analyzed and compared. The results indicated that the moso bamboo forests under the compound management pattern had higher productivity compared with the pure bamboo forest, the mean DBH of the moso bamboo increased by 5.1%, 12.2%, 15.2% and 16.4% respectively. With the increase of the proportion of broad-leaved forest, the moso bamboo productivity increased firstly and then decreased. The optimal proportion of broad-leaved forest for increasing the moso bamboo productivity is 42%. It is concluded that the broad-leaved forest with understory bamboo compound management pattern is a good bamboo management pattern in improving moso bamboo productivity and bamboo forest management efficiency.
出处
《安徽林业科技》
2015年第6期38-42,共5页
Anhui Forestry Science and Technology
基金
国家林业公益性行业科研专项"上阔下竹复合生态系统构建及优化技术研究"(编号:201204106)
关键词
毛竹
上阔下竹
经营模式
生产力
经营效益
Phyllostachys edulis
Broad-leaved forest with understory bamboo
Management pattern
Productivity
Management efficiency
