>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-15 共查到Biodiversity相关记录175条 . 查询时间(0.044 秒)
Monoculture plantations of fast-growing trees are increasing worldwide and, in many cases, these replace highly diverse natural environments. The Mesopotamian Savannas and the Iberá marshes ecoregions...
It remains difficult to compare the state of conservation of forests of different nations. Essential Biodiversity Variables (EBVs) are a set of variables designed as a framework for harmonizing biodiv...
Background: The importance of biodiversity in maintaining multiple ecosystem functions has been widely accepted. However, the specific mechanisms affecting biodiversity and ecosystem multifunctionalit...
Background: The importance of biodiversity in maintaining multiple ecosystem functions has been widely accepted. However, the specific mechanisms affecting biodiversity and ecosystem?multifunctionalit...
Due to rising global warming and climate change, biodiversity protection has become a critical ecological concern. Rich biodiversity zones are under threat and are deteriorating, necessitating nationa...
Paula Rodríguez-Flores has always been obsessed with invertebrates. “Like really, really obsessed,” said the biodiversity postdoctoral fellow, who works in Harvard’s Museum of Comparative Zoology.
Scientists looking to measure the biodiversity of wild animals in a nature reserve are taking their lead from leeches.
Is organic farming the only alternative to conventional agriculture to promote biodiversity in agricultural landscapes? An international research team questions this. According to the authors, a lands...
For almost 20 years, researchers have conducted detailed censuses of the majestic kelp forests off Santa Barbara. By counting fish species and placing them in the context of their environmental condit...
An international group of researchers representing thousands of coral scientists across the globe is issuing recommendations for new commitments and actions by the world's policymakers to protect and ...
The fast-moving decline and extinction of many species of detritivores -- organisms that break down and remove dead plant and animal matter -- may have dire consequences, an international team of scie...
A new U.S. National Science Foundation-funded analysis of thousands of native and non-native Michigan bees shows that the most diverse bee communities have the lowest levels of three common viral...
Some 250 million years ago, simultaneous mass extinctions of marine and terrestrial life occurred in an event known as the End-Permian. Or so scientists believed.New research led by Colby College geol...
Decades after farmland is abandoned, plant biodiversity and productivity struggle to recover, according to new University of Minnesota research.NSF-funded researchers examined 37 years of data tied to...
As the world's climate continues to change, biologically diverse communities may be most capable of adapting to environmental challenges, scientists have found.New NSF-funded research by Brown Univers...

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...