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: 1-8 共查到林学 Measurement相关记录8条 . 查询时间(0.075 秒)
Urban forests are dynamic and change in response to both human and natural forces. To effectively monitor and manage urban forests, periodic inventories are needed to ensure that information about the...
The mechanical properties of plantation Eucalyptus Nitens timber are currently assessed by applying visual stress grading (VSG) designed for the sawn timber from the mature plantation and do not repre...
As the most basic knowledge of remote sensing, spectral radiances that are reflected from the surface and received by the sensor are under the influence of various physical factors. One of the most ...
GPS Trimble JUNO ST was tested at 16 points under forest canopy. The measurements were done on three different dates of the growing seasons in 2007 and 2008. On each date, 4 recordings were measured i...
To date, the debate on the sustainability of human settlements has focused on the urban portion of the land use pattern. Since urban areas rely on suburban, rural, and other less densely settled areas...
To date, the debate on the sustainability of human settlements has focused on the urban portion of the land use pattern. Since urban areas rely on suburban, rural, and other less densely settled areas...
High concentrations of CO2 in soil air affect subsurface water quality and weathering reactions; however, few simple methods have been proposed for the collection of soil air from deep soils. Therefor...
A simplified method for estimating CO2 emissions from deforestation is the calculation of carbon stock change by monitoring forest land and periodically summing up the land area and its averaged carbo...

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...