搜索结果: 1-15 共查到“Western U.S.”相关记录861条 . 查询时间(0.125 秒)
Developing Additive Systems of Biomass Equations for Robinia pseudoacacia L. in the Region of Loess Plateau of Western Shanxi Province, China
Robinia pseudoacacia L. Loess Plateau additive biomass models error structure likelihood analysis seemingly unrelated regression
2024/1/12
The accurate estimation of forest biomass is important to evaluate the structure and function of forest ecosystems, estimate carbon sinks in forests, and study matter cycle, energy flow, and the effec...
兰州大学法学院在线举办“西方学界对中国法的接受”国际研讨会（The Seminar on the Reception of Chinese Law in Western Academia）（图）
西方学界 中国法 国际研讨会
2024/2/22
2013年启动的以“共商、共建、共享”为准则，以实现人类命运共同体为目标的“一带一路”倡议，极大地促进了沿线国家的经济发展与社会升级，日益受到世界各国的积极响应与国际社会的高度关注。2023年，恰逢“一带一路”倡议十周年之际，从事区域国别学、国际法学研究的学者们非常有必要重温倡议初心，借鉴古丝绸之路精神，以促进高质量互联互通为主线，进一步加强沿线国家的政策沟通、设施联通、贸易畅通、资金融通、民心相...
Population Dynamics of Juniperus macropoda Bossier Forest Ecosystem in Relation to Soil Physico-Chemical Characteristics in the Cold Desert of North-Western Himalaya
cold desert soil nutrients biomass carbon density elevational ranges natural regeneration
2023/12/1
Juniperus macropoda is the only tree species of a cold desert ecosystem that is experiencing high anthropogenic pressure and has a poor regeneration status due to harsh environmental conditions. Due t...
The Historical Complexity of Tree Height Growth Dynamic Associated with Climate Change in Western North America
height growth site index global climate change species range species characteristics species ecological amplitude geographic locations western North America
2023/12/1
The effect of climate on tree growth has received increased interest in the context of climate change. However, most studies have been limited geographically and with respect to species. Here, sixteen...
Modelling of the reef benthic habitat distribution within the Cabrera National Park (Western Mediterranean Sea)
GIS bathymetry habitats mapping Mediterranean
2023/11/30
Habitat spatial distribution is essential to know where to focus the protection of the seafloor resources. In this work, the bathymetry and backscatter seabed data show the importance of remote sensin...
As water restrictions tighten in Southern California in anticipation of summer, the Southwestern United States is seeing growing evidence of climate change and drought for millions of western resident...
State of the science on western wildfires, forests and climate change
wildfires forests climate change climate warming
2021/8/4
Seeing the urgent need for change, a team of scientists from leading research universities, conservation organizations and government laboratories across the West has produced a synthesis of the scien...
Geoscientists reconstruct 6.5 million years of sea level in the Western Mediterranean（图）
Geoscientists reconstruct 6.5 million years sea level Western Mediterranean
2021/2/5
The pressing concern posed by rising sea levels has created a need for scientists to predict how quickly the oceans will rise in coming centuries, researchers say. To gain insight into future ice shee...
Shifts in Foliage Biomass and Its Vertical Distribution in Response to Operational Nitrogen Fertilization of Douglas-Fir in Western Oregon
Douglas-fir nitrogen fertilization foliage distribution allometry biomass
2024/2/4
Nitrogen (N) fertilization is a commonly applied silvicultural treatment in intensively managed coast Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) plantations. Field trials were e...
Climate-driven megadrought is emerging in western US, study finds（图）
Climate-driven megadrought emerging western US
2020/5/9
With the western United States and northern Mexico suffering an ever-lengthening string of dry years, scientists have been warning that climate change may be pushing the region toward an extreme, long...
Changes in snowmelt threaten farmers in western United States（图）
Changes snowmelt threaten farmers western United States
2020/4/29
Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.
Changes in snowmelt threaten farmers in western United States（图）
Changes snowmelt threaten farmers western United States
2020/4/26
Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.In a paper published i...
Fallowing cattle-feed farmland simplest way to alleviate western water shortages（图）
Fallowing cattle-feed farmland simplest western water shortages
2020/3/6
The rate at which humans consume fresh water is now approaching or surpassing the rate at which water sources are naturally replenished, creating shortages for people and ecosystems.In the western U.S...
中国地质大学科学技术发展院权永彬, 郝芳* 等. 资源学院 构造与油气资源教育部重点实验室 GSA Bulletin, December, 2019. Paleosalinity assessment and its influence on source rock deposition in the western Pearl River Mouth Basin, South China Sea（图）
古水体盐度；恢复；对烃源岩；发育质量；影响方面；研究成果。
2021/10/15
近日，美国地质学会会刊《GSA Bulletin》刊发了中国地质大学资源学院和构造与油气资源教育部重点实验室权永彬副教授关于古水体盐度恢复及其对烃源岩发育质量影响。
Defending Democracy and Human Rights in the Western Hemisphere
Defending Democracy Human Rights e Western Hemisphere
2019/10/10
One glimpse at the covers of the main news and political magazines in recent years is often enough to discern a common theme. These publications often display fatalist titles such as “Democracy in Dem...