农学 >>> 林学 >>> 林业基础学科 >>> 森林气象学 森林地理学 森林水文学 森林土壤学 树木生理学 森林生态学 森林植物学 林业基础学科其他学科
搜索结果: 1-6 共查到林业基础学科 Protection相关记录6条 . 查询时间(0.093 秒)
For more than four centuries, the Tatra Mountains were affected by many factors, such as forest and pastoral management, mining and metallurgy, windthrows, snow avalanches, and bark beetle outbreaks. ...
The protection forest system for Taipei City, the capital of Taiwan, was established in 1907. The social and natural environment had changed drastically in the past few decades, however, the maps an...
At present, the coppice-with-standards system has become so rare in floodplain forests that it is considered a natural monument. In 1990, the coppice-with-standards system was not recorded in the terr...
Ecology of capercaillie (Tetrao urogallus) was studied in the mountains of Central Slovakia (West Carpathians) in 1981–2003. In the studied area, the capercaillie population inhabited especially old n...
Protection of forest resources is one of the preconditions of receiving sustainable benefit from these resources, particularly in countries where forests are state-protected. For the purpose of ensuri...
Forest resources, due to their basic requirements and structure, have features that affect human life directly. Preserving the forest resources is becoming an extremely difficult task due to changing ...

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...