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搜索结果: 1-15 共查到国际动态 Decline相关记录16条 . 查询时间(0.078 秒)
Since the mid-1980s, the percentage of precipitation that becomes streamflow in the Upper Rio Grande watershed has fallen more steeply than at any point in at least 445 years, according to a new study...
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for mor...
An insect infestation that is killing hemlock trees in New England forests is having a significant impact on the water resources of forested ecosystems that provide essential water supplies to one of ...
Arctic sea ice in recent decades has declined even faster than predicted by most models of climate change. Many scientists have suspected that the trend now underway is a combination of global warming...
The number of postdoctoral researchers employed at federally funded research and development centers (FFRDCs) rose to 2,696 in 2015, the first increase seen after two consecutive years of declines, ac...
A buildup of plaque and dysfunctional proteins in the brain are hallmarks of Alzheimer’s disease. While much Alzheimer’s research has focused on accumulation of the protein amyloid beta, researchers h...
Researchers from Princeton University have identified genes important for age-related cognitive declines in memory in adult worm neurons, which had not been studied previously. The research, published...
A new Kansas State University study finds that the over-tapping of the High Plains Aquifer's groundwater beyond the aquifer's recharge rate peaked in 2006. Its use is projected to decrease by roughly ...
The health of Colorado’s bighorn sheep population remains as precarious as the steep alpine terrain the animals inhabit, but a new study led by researchers at the University of Colorado Boulder has fo...
A blood-borne molecule that increases in abundance as we age blocks regeneration of brain cells and promotes cognitive decline, suggests a new study by researchers at UC San Francisco and Stanford Sch...
Federal agency funding for research and development and R&D plant (facilities and fixed equipment used for R&D) fell by 9 percent in fiscal year 2013, according to a neInfoBrief from the N...
A recent survey from the National Science Foundation (NSF) found that the nation's 39 federally funded research and development centers (FFRDCs) spent $17.4 billion on research and development (R&D) i...
Seagrass on the decline(图)     Seagrass  decline       2014/7/11
Seagrass along Moreton Bay will drastically decline as sea levels rise, a University of Queensland study has found.
30 March 2007,The loss of large sharks in the northwest Atlantic has cascading effects leading to a sharp decline in scallop, clam, oyster, and other shellfish populations, researchers report in the 3...
April 3, 2007,DURHAM, N.H. -- Several forms of child maltreatment decreased from 2004 to 2005, adding to more than a decade’s worth of declines, according to University of New Hampshire researchers wh...

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