搜索结果: 1-15 共查到“国际动态 collapse”相关记录15条 . 查询时间(0.062 秒)
The collapse of the Hittite Empire in the Late Bronze Age has been blamed on various factors, from war with other territories to internal strife. Now, an interdisciplinary collaboration used tree ring...
Collapse of Northern California kelp forests will be hard to reverse（图）
Collapse Northern California kelp forests hard to reverse
2021/3/19
Satellite imagery shows that the area covered by kelp forests off the coast of Northern California has dropped by more than 95%, with just a few small, isolated patches of the bull kelp remaining. Spe...
Mississippi Delta marshes in a state of irreversible collapse, study shows（图）
Mississippi Delta marshes state irreversible collapse
2020/6/5
Given the present-day rate of global sea level rise, remaining marshes in the Mississippi Delta are likely to drown, according to a new Tulane University study.
A key finding of the Na...
Study reveals how collapse of protein processes is driver of aging and death（图）
Study reveals collapse protein processes driver aging and death
2019/10/28
Cells undergo natural aging and death, processes that impact a multitude of cellular factors. A new Stony Brook University-led study published in Proceedings of the National Academy of Sciences (PNAS)...
Collapse of desert bird populations likely due to heat stress from climate change（图）
Collapse bird populations due heat stress climate change
2019/10/17
As temperatures rise, desert birds need more water to cool off. At the same time, deserts are becoming drier, setting some species up for a severe crash, if not extinction, according to a new study pu...
Archaeologists Uncover New Clues to Maya Collapse（图）
Archaeologists New Clues Maya Collapse
2017/2/16
Using the largest set of radiocarbon dates ever obtained from a single Maya site, archaeologists have developed a high-precision chronology that sheds new light on patterns leading up to the two major...
Gemini Tracks Collapse of Io's Atmosphere During Frigid Eclipses
Gemini Collapse Io's Atmosphere Frigid Eclipses
2016/8/11
A Southwest Research Institute-led team has documented atmospheric changes on Io, Jupiter’s volcanically active satellite, as the giant planet casts its shadow over the moon’s surface during daily ecl...
Spanish missions triggered Native American population collapse,indirect impact on climate
Spanish missions Native American population collapse climate
2016/2/22
New interdisciplinary research in the Southwest United States has resolved long-standing debates on the timing and magnitude of American Indian population collapse in the region.The severe and rapid c...
Warming waters contributed to the collapse of New England's cod fishery
Warming waters New England cod fishery
2015/11/12
For centuries, cod were the backbone of New England's fisheries and a key species in the Gulf of Maine ecosystem.Today, cod stocks are on the verge of collapse, hovering at 3-4 percent of sustainable ...
New Study:Warming Waters a Major Factor in the Collapse of New England Cod
Warming Waters New England Cod
2015/11/12
For centuries, cod were the backbone of New England’s fisheries and a key species in the Gulf of Maine ecosystem. Today, cod stocks are on the verge of collapse, hovering at 3-4% of sustainable levels...
West Antarctic Ice Sheet collapse is under way
West Antarctic Ice Sheet collapse under way
2014/6/12
The West Antarctic Ice Sheet, which holds enough water to raise global seas by several feet, is thinning. Scientists have been warning of its collapse, based on theories, but with few firm predictions...
Decades of drought, interspersed with intense monsoon rains, may have helped bring about the fall of Cambodia’s ancient Khmer civilization at Angkor nearly 600 years ago, according to an analysis of t...
03/04/2007，Island communities that depend on coral island fisheries could face a hungry future, according to new research from the University of East Anglia, the Centre for Environment, Fisheries and ...
March 16, 2007，The 1995 terrorist attack on the Oklahoma City Alfred P. Murrah Federal Building heightened concern on the vulnerability of multi-story buildings to “progressive collapse,” the spread o...
All Current Fish, Seafood Species Projected to Collapse by 2048（图）
Fish Marine species ocean ecosystems
2006/11/13
2 November 2006，Marine species loss is accelerating and threatening human well-being, according to a report published in the 3 November issue of the journal Science.