搜索结果: 1-15 共查到“国际动态 ecosystems”相关记录36条 . 查询时间(0.064 秒)
Seeking clues to how shifting climate may change ocean ecosystems（图）
气候变化 海洋生态系统 晚新生代 生物群落
2023/6/19
Researchers know that marine organisms are shifting geographically toward the Earth’s poles in response to climate change. However, predicting the extent to which the species will move as ocean temper...
Trying to decipher all of the factors that influence the behavior of complex ecological communities can be a daunting task. However, MIT researchers have now shown that the behavior of these ecosystem...
Giant kelp gives Southern California marine ecosystems a strong foundation（图）
Giant kelp Southern California marine ecosystems strong foundation
2020/2/20
Certain species serve as the foundations of their ecosystems. Scientists are increasingly interested in ecological stability -- the factors that allow an ecosystem to withstand pressures and perturbat...
Microbe diversity is key to healthy coastal ecosystems（图）
Microbe diversity healthy coastal ecosystems
2019/11/15
For millions of years, symbiotic bacteria have lived inside the gills of Lucinidae clams found in seagrass meadows located along tropical coasts, such as the Florida Keys. These bacteria play a crucia...
From tropical to boreal ecosystems,temperature drives functioning（图）
tropical boreal ecosystems drives functioning
2019/10/18
With the help of an NSF grant, University of Arizona scientists trekked across the Americas: from moist, tropical jungles of Panama to the frigid boreal forests of Colorado to the wet temperate forest...
What keeps ocean kelp forest ecosystems stable?（图）
keeps stable ocean kelp forest ecosystems
2019/10/30
An ecosystem is made up of species, populations, communities, and a network of communities across a region.A team led by NSF-funded researchers at the University of California-Santa Barbara (UCSB) has...
New dinosaur with heart-shaped tail offers clues to evolution of Africa's ecosystems（图）
New dinosaur heart-shaped tail evolution of Africa ecosystems
2019/11/22
A dinosaur that wore its "heart" on its tail is providing new clues to how ecosystems evolved on the African continent during the Cretaceous Period some 100 million years ago, according to researchers...
Dust On The Wind:Study Reveals Surprising Role Of Dust In Mountain Ecosystems（图）
Dust On The Wind Role Of Dust Mountain Ecosystems
2017/12/19
Find related stories on NSF's Critical Zone Observatories at this link.Trees growing atop granite in the southern Sierra Nevada Mountains rely on nutrients from windborne dust more than on nutrients f...
UW Study of Global Datasets Reveals Significant Role of Dust in Mountain Ecosystems（图）
UW Study Global Datasets Dust Mountain Ecosystems
2017/12/19
Trees growing atop the Bald Mountain Granite in the southern Sierra Nevada rely on nutrients from windblown atmospheric dust -- more than 50 percent -- compared to nutrients provided from underlying b...
Alligators,Rulers Of The Swamps,Link Marine And Freshwater Ecosystems（图）
Alligators Rulers Of The Swamps Link Marine Freshwater Ecosystems
2017/11/23
The sophistication of radio transmitters has moved well beyond the days of walkie-talkies. Now transmitters similar to those that track space mission orbiters are being used here on Earth to follow al...
Hundreds of species of fungi in deep coral ecosystems discovered by UH Manoa botanists
Hundreds of fungi deep coral ecosystems discovered UH Manoa botanists
2017/7/24
Researchers from the University of Hawai‘i at Mānoa Department of Botany have discovered hundreds of potentially new species of fungi in the deep coral ecosystem in the ‘Au‘au channel off Maui. Mesoph...
World Environment Day:What does the future hold for Earth's ecosystems?
World Environment Day the future hold Earth's ecosystems
2017/7/21
Find related stories on NSF's Long-Term Ecological Research Program.Any science may be likened to a river. It has its obscure and unpretentious beginning; its quiet stretches as well as its rapids; it...
Rising water temperatures endanger health of coastal ecosystems,study finds
Rising water temperatures endanger health coastal ecosystems
2017/4/27
Increasing water temperatures are responsible for the accumulation of a chemical called nitrite in marine environments throughout the world, a symptom of broader changes in normal ocean biochemical pa...
Dust contributes valuable nutrients to Sierra Nevada forest ecosystems
Dust contributes valuable nutrients Sierra Nevada forest ecosystems
2017/3/30
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...
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...