我们的网站为什么显示成这样?

可能因为您的浏览器不支持样式,您可以更新您的浏览器到最新版本,以获取对此功能的支持,访问下面的网站,获取关于浏览器的信息:

|Table of Contents|

世界林业的现状和发展趋势(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1986年01期
Page:
115-122
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
CURRENT SITUATION AND TRENDS OF THE WORLD FORESTRY
Article ID:
1000-2006(1986)01-0115-08
Author(s):
Wang Dagang
Keywords:
World forestry Forest effects Forest resource Foresty administtrations Silviculture Forest utilization Forestry policy
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1986.01.012
Document Code:
A
Abstract:
The author is one of the members of the Chinese Forestry Delegation to the Ninth world Forestry Congress. After attending this congress, he summarizes his knowledge of the world Forestry in this paper.First of all, he describes the importance of forests. They provide a large amoumt of energy, industrial wood products, food, fodder and other forest products. They protect land and water resources. They are also a vast storehouse of genetic resources. All of these are basic to the well-being, even the very survival of hundreds of millions of people.Secondly, he analyses the challenges to the forests of the world, such as the rapid depletion of forest resources in the tropics and the arid and semi-arid areas, shortage of fuelwood and wood products, damage to forests caused by diseases, parasites, forest fires and environmental pollution and the degradation of forest ecosystem.Finally, he points out the principles and guidelines to the world forestry development and trends of world forestry in the management of forest resources, in the production and productivity of forest industry and also in forestry science, technology and research, forestry education, forestry administrations and forestry policy and legislation.

References

-

Last Update: 1900-01-01