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: 1-15 共查到国际动态 林学 Forest相关记录24条 . 查询时间(0.116 秒)
As ecosystems respond to human activity, what species will emerge as new trailblazers, shaping the diversity and resilience of these changing environments? And how can land managers identify these spe...
A warming climate and more frequent wildfires do not necessarily mean the western United States will see the forest loss that many scientists expect.Dry forest margins, areas where forest meets sagebr...
Animals that evolved in environments subject to large-scale habitat-altering events such as fires and storms are better equipped to handle forest fragmentation caused by human development than species...
After 26 years, the world’s longest-running experiment to discover how warming temperatures affect forest soils has revealed a surprising, cyclical response: Soil warming stimulates periods of abundan...
But dust from as close as California's Central Valley and as far away as Asia's Gobi Desert provides nutrients, especially phosphorus, to vegetation in the Sierra Nevada Mountains, a team of scientist...
How Much Drought Can a Forest Take?     Drought  Forest       2017/2/16
Why do some trees die in a drought and others don’t? And how can we predict where trees are most likely to die in future droughts?Scientists from the University of California, Davis, and colleagues ex...
Major forest die-offs due to drought, heat, beetle infestations or deforestation could have consequences far beyond the local landscape, results from a new study show.According to a paper published to...
Major forest die-offs due to drought, heat and beetle infestations or deforestation could have consequences far beyond the local landscape.Wiping out an entire forest can have significant effects on g...
A legacy of acid rain has acidified forest soils throughout the northeastern US, lowering the growth rate of trees. In an attempt to mitigate this trend, in 1999 scientists added calcium to an experim...
As money-makers, trees stand tall. The U.S. forest industry is an economic powerhouse. Southern states alone grow more commercial wood than any country in the world.The Center for Advanced Forestry Sy...
China’s sweeping program to restore forests across the country is working. The vast destruction of China’s forests, leveled after decades of logging, floods and conversion to farmland, has become...
Despite their diversity, the structure of most tropical rainforests is highly predictable. Scientists have described the various sizes of the trees by a simple mathematical relationship called a power...
Before Europeans arrived, indigenous peoples altered the Amazon forest--but primarily along major rivers.Their effects were almost imperceptible in rainforest areas more than a day's walk from a river...
Recovering from natural disasters usually means rebuilding infrastructure and reassembling human lives. Yet ecologically sensitive areas need to heal, too, and scientists are pioneering new methods to...
Harvesting operations will begin in Mumbulla State Forest north east of Bega this week. The compartments planned for harvesting have a gross area of 441 hectares, of which 243 hectares are available ...

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...