农学 >>> 林学 >>> 林业基础学科 林木遗传育种学 森林培育学 森林经理学 森林保护学 野生动物保护与管理 防护林学 经济林学 园林学 森林统计学 林业经济学 林学其他学科
搜索结果: 1-10 共查到知识库 林学 regions相关记录10条 . 查询时间(0.05 秒)
An understanding of variations in water availability to plantation forests on a spatial and temporal scale is essential when designing risk averse and site-specific silvicultural management regimes. V...
Little is known about the phytochemical composition of iron walnuts. Differences in the geographical origin of iron walnuts associated with economic benefits should also be examined. In this study, th...
Landsat ETM+ data from the National Park of Khabr in Kerman province, dating May 2000, were analyzed to investigate the possibility of forest type mapping in arid and semi-arid regions.Quality evalu...
Biotic agents driven spruce decline has been observed over several regions in Europe. We studied the spatial pattern of spruce stands mortality due to biotic agents in three spruce dominated regions i...
Dendroclimatological research presented in this paper concerns Douglas fir (P. menziesii) at 17 sites located in the area of the Sudetes Mountains, the Polish part of the Carpathians and Roztocze. The...
This study examines the socio-ecological criteria forming physical boundaries of regional conservation partnerships and the differences between outside and inside the boundaries. The purpose of this s...
In this study, root collar diameter and height development of 9 year-old saplings of Taurus Cedar (Cedrus libani) and Crimean Pine (Pinus nigra subsp. nigra var. caramanica) in the green belt afforest...
A model for prediction of shoot elongation was applied to various regions in Japan, and its fitness was evaluated. In the model, the shoot elongation rate in one arbitrary day was decided by the avera...
The study was carried out on 120 field experimentation sites where 2420 bamboo cuttings were planted under the same natural tobacco growing conditions in five different zones (that is, zone A = hillsi...
In this study, the test trees were taken from natural growth sites that calabrian pine grows optimally had been used as research material. The main aim of study is to determine cleavage strengh variat...

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...