搜索结果: 1-15 共查到“理学 biodiversity”相关记录100条 . 查询时间(0.046 秒)
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eDNA effective in the calculation of marine biodiversity
eDNA marine biodiversity kelp forest
2021/8/11
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...
Biodiversity, climate change and the fate of coral reefs
climate change biodiversity coral reefs
2021/8/3
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 ...
Loss of biodiversity in streams threatens vital biological process
river ecosystem phosphorus nitrogen biodiversity
2021/8/5
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...
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Biodiversity protects bee communities from disease, study finds(图)
Biodiversity protects bee communities disease
2021/3/5
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...
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Mass extinction of land and sea biodiversity 250 million years ago not simultaneous(图)
Mass extinction land sea biodiversity 250 million years ago simultaneous
2019/12/13
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...
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Plant biodiversity struggles to return in wake of agricultural abandonment(图)
Plant biodiversity return agricultural abandonment
2019/12/6
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...
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Galapagos sea life study highlights importance of biodiversity in the face of climate change(图)
Galapagos sea life biodiversity climate change
2019/11/5
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...
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Iconic California beaches have lost most of their biodiversity(图)
Iconic California beaches biodiversity
2019/10/22
Dig a few inches into the sand on many beaches in Southern California -- historically home to some of the most biologically diverse sandy beaches in the world -- and you'll find them teeming with life...
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Study Finds Variation Within Species Is A Critical Aspect Of Biodiversity(图)
Variation Within Species Critical Aspect Biodiversity
2017/12/19
Concerns about biodiversity tend to focus on the loss of species from ecosystems, but a new study suggests that the loss of variation within species can also have important ecological consequences.Man...
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For Seagrass,Biodiversity Is Both a Goal and A Means For Restoration(图)
Seagrass Biodiversity Both a Goal Means For Restoration
2017/11/24
Coral reefs, seagrass meadows and mangrove forests work together to make the Coral Triangle of Indonesia a hotspot for marine biodiversity. The system supports valuable fisheries and endangered specie...
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NSF awards $14.7 million for research to deepen understanding of Earth’s biodiversity(图)
NSF awards $14.7 million Earth’s biodiversity
2017/9/20
Symbiotic bacteria -- microbes that have close and long-term relationships with their "hosts" -- are everywhere on Earth: in soil, in coral reefs, in humans.
Through a new National Science Foundation...
Scientists Link Cutting-edge Biodiversity Genomics With Museum Wisdom Through New Public Database
Scientists Biodiversity Genomics Museum Wisdom New Public Database
2017/9/4
The resource, called the Genomic Observatories Metadatabase (GeOMe), was developed by researchers at the Smithsonian’s National Museum of Natural History and eight other museums and research instituti...
Krill hotspot fuels incredible biodiversity in Antarctic region
Krill hotspot fuels biodiversity Antarctic region
2017/7/24
There are so many Antarctic krill in the Southern Ocean that the combined mass of these tiny aquatic organisms is more than that of the world’s 7.5 billion human inhabitants.Scientists have long known...