论文部分内容阅读
近年来,我们对本区乡土树种高山松在甘孜地区的自然分布和对十七年生直播更新试验效果进行调查,现将资料整理报告如下: 一、高山松在甘孜地区的自然分布及生物学特性: 高山松,原名西康油松(Pinas densata Mast)是甘孜林区特有的森林资源树种。活立木蓄积量3500多万立方米,约占甘孜林区总蓄积量9%。分布在金沙江流域的巴塘、得荣、乡域、稻城;雅砻江流域的新龙、雅江、道孚、九龙、理塘;大渡河流域的丹巴、康
In recent years, we investigated the natural distribution of native species of Pinus armandii in this area and the live-updating test results of 17-year-olds. The report is organized as follows: I. The natural distribution and biological characteristics of mountain pine in Garze area: Pinus densata, formerly known as Pinus densata Mast, is a unique species of forest resources in the Garzê forest. Living wood volume of more than 35000000 cubic meters, accounting for 9% of total volume of Garzi forest area. Distributed in the Jinsha River Valley Batang, Derong, Township, Inagi; Yalong River Basin, the new dragon, Yajiang, Daofu, Kowloon, Litang; Dadu River Basin Dan, Kang