摘要
为正确评价白桦林立地质量、确定经营方向,科学管理和合理利用白桦林资源,利用295块标准地调查资料,通过导向曲线法编制了白桦地位指数表,经检验证明该表适用于编表地区。
In order to correctly evaluate site quality of Betula platyphylla,to determine management orientation, and to utilize its resources scientificly, a site index table for Betula platyphylla was established using the method of derived curve, based on the information from 295 sample plots. χ 2 test showed that this table is suitable for the investigated region.
出处
《河北林果研究》
1998年第3期287-293,共7页
Hebei Journal of Forestry and Orchard Research
关键词
白桦
地位指数
有林地
无林地
Betula platyphylla
site index
forest land