农学 >>> 林学 >>> 森林经理学 >>> 林业测量学 森林测量学 林业遥感 林业信息管理 林业系统工程 森林经理学其他学科
搜索结果: 1-8 共查到森林经理学 timber相关记录8条 . 查询时间(0.109 秒)
Determining the optimal rotation period was a crucial component of forest sustainable management strategies, especially under climate change. This paper had two objectives: (1) to determine the econom...
The first competitive open tender called “Standing timber sale” was executed in 2010. The aim of the paper was to conduct complete collection of data from online tender catalogues and to analyze the...
Forest management focuses on the control of forest ecosystems based on the sustainable use of forest values without damaging ecological integrity. Although, timber would easily be characterized and va...
A continuous vegetation profile covering a 600 km transect set up N-S across the boreal forest region of western Canada was obtained by airborne laser altimetry, along with ground-truth measurements o...
We analyzed the relationships between the annual growth rate of the diameter at breast height (ΔDBH) and the sun-exposed crown size (sun-exposed crown diameter, length, and surface area) of trees in 3...
This paper addresses concerns about commercial harvesting of non-timber forest products (NTFPs) that relate to First Peoples in British Columbia. Many of the species identified as being significant, o...
This paper summarises the results of the research whose aim was to evaluate technical, technological, ergonometric and environmental parameters of timber air extraction. Ground based extraction tech...
Linear programming models were developed and solved according to different interest rates and rotation periods for the planning of allowable cut using data obtained from working forest groups of calab...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...