搜索结果: 1-5 共查到“国际动态 海洋科学 6.5 million years”相关记录5条 . 查询时间(0.116 秒)
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Geoscientists reconstruct 6.5 million years of sea level in the Western Mediterranean(图)
Geoscientists reconstruct 6.5 million years sea level Western Mediterranean
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2021/2/5
The pressing concern posed by rising sea levels has created a need for scientists to predict how quickly the oceans will rise in coming centuries, researchers say. To gain insight into future ice shee...
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Deep sea microbes dormant for 100 million years are hungry and ready to multiply(图)
Deep sea microbes dormant 100 million years hungry ready to multiply
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2020/7/31
For decades, scientists have gathered ancient sediment samples from below the seafloor to better understand past climates, plate tectonics and the deep marine ecosystem. In a new study published in...
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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
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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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Crabs, lobsters and shrimp now have a family tree dating 500 million years(图)
Crabs lobsters shrimp family tree dating 500 million years
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2019/10/30
Researchers have for the first time traced the roots of crabs, lobsters and shrimp to create the family tree of crustaceans people love to eat.The tree shows the 450-million-year evolution of these 10...
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Tectonic collision 50 million years ago led to widespread ocean changes(图)
Tectonic collision 50 million years ago widespread ocean changes
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2019/11/22
When the landmass that today is the Indian subcontinent slammed into Asia some 50 million years ago, the collision changed the configuration of the continents and altered global climate.Now a team of ...