搜索结果: 61-75 共查到“国际动态 林业基础学科”相关记录128条 . 查询时间(2.297 秒)
A study by NSF-funded scientists Andy MacDonald at UC Santa Barbara and Erin Mordecai at Stanford found a direct relationship between deforestation in the Amazon and the transmissi...
In a world with rising levels of atmospheric carbon dioxide, experiments have shown that increased CO2 allows plants to photosynthesize more and use less water; however, warmer temperatures drive plan...
Catastrophic events carry forests of trees thousands of miles to burial at sea（图）
Catastrophic events forests rees thousands miles to burial at sea
2019/11/5
Flooding from torrential rains caused by cyclones and monsoons, as well as other catastrophic events, may move huge amounts of fresh wood to watery graves deep under the ocean, scientists have discove...
来自俄科学院西伯利亚分院网站的报道，该分院克拉斯诺亚尔斯克科学中心的科研团队通过对人工智能系统进行培训使其能够根据地球遥感数据对植被类型进行分类，并确定生物群落的边界，该系统能够很好地识别林带，可用于跟踪林带边界的变化。相关成果发布在IOP Conference Series: Materials Science and Engineering国际学术会议的论文集中。西伯利亚分院克拉斯诺亚尔斯克科...
How trees affect the weather（图）
trees affect weather
2019/10/28
New NSF-supported research led by University of Utah biologists William Anderegg, Anna Trugman and David Bowling finds that some plants and trees are prolific spendthrifts in drought conditions, using...
Tropical soil disturbance could be hidden source of carbon dioxide（图）
Tropical soil disturbance hidden source carbon dioxide
2019/10/28
Thousand-year-old tropical soils unearthed by accelerating deforestation and agricultural land use could be unleashing carbon dioxide into the atmosphere, according to a new study by NSF-funded resear...
Native forests make up one percent of the landscape in South Africa. But these forests could play key roles in reducing atmospheric carbon and identifying sustainable development practices that can be...
'Ghost forests' show visible results of changes in climate（图）
Ghost forests results changes in climate
2019/10/30
Sea level rise will have the greatest impacts on rural land in places where knowledge is insufficient to best inform decisions about encroaching marshlands, according to a review published in the jour...
When a Tree Falls in St. Louis, Will the Power Go Out?（图）
Tree Falls St. Louis Power Go Out
2019/10/30
In a study recently published in Sensors, Saint Louis University researchers paired satellite imaging data with machine learning techniques to map local tree species and help manage the health of urba...
City trees can offset neighborhood heat islands（图）
City trees offset neighborhood heat islands
2019/11/22
The concept of heat islands -- densely built-up urban areas that are hotter than the rural and semi-rural landscapes around them -- has been extensively studied and is widely accepted.Now a new study ...
中美洲干旱走廊近3000基本谷物种植户将从泛美农业合作协会（IICA）和欧盟的合作项目中受益，该地区是世界上深受气候变化影响的脆弱地区之一。该合作项目通过多边农业森林系统引进创新技术，以增强干旱走廊地区应对气候变化的能力，完善该地区的粮食安全。
World's forests increasingly taking up more carbon（图）
World's forests increasingly taking up more carbon
2019/11/22
The world's forests are increasingly taking up more carbon, partially offsetting the carbon being released by the burning of fossil fuels and by deforestation in the tropics, according to a new study....
Michigan's Sugar Maples Will Struggle In A Warmer,Drier Future Despite Help From Nitrogen Pollution（图）
Michigan Sugar Maples Warmer Drier Nitrogen Pollution
2018/2/1
Though Michigan's sugar maples benefit from the growth-promoting effects of nitrogen compounds in the environment, those gains will not fully offset the added stresses of growing under a drier climate...
Carbon Feedback from Forest Soils will Accelerate Global Warming,26-Year Study Projects
Carbon Feedback Forest Soils Accelerate Global Warming 26-Year Study Projects
2017/10/25
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...
What's killing trees during droughts? Scientists have new answers（图）
killing trees during droughts Scientists new answers
2017/9/4
As the number of droughts increases globally, scientists are working to develop predictions of how future parched conditions will affect plants, especially trees.New results published today in the jou...