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.
Archaeology
Dec 12, 2019
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70
More than two miles below the ocean's surface, microbes, worms, fishes, and other creatures great and small thrive. They rely on the transport of dead and decaying matter from the surface (marine snow) for food at these dark ...
Earth Sciences
Dec 3, 2018
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55
The picture of how climate change is impacting our ocean is often told via its larger inhabitants: scrawny polar bears, bleached coral, dwindling catch in fishing nets. But just as importantly, microscopic marine organisms ...
Environment
Jun 8, 2019
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32
Many of the world's largest aquatic food producers are highly vulnerable to human-induced environmental change, with some of the highest-risk countries in Asia, Latin America and Africa demonstrating the lowest capacity for ...
Ecology
Jun 26, 2023
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166
(PhysOrg.com) -- Gray whales survived many cycles of global cooling and warming over the past few million years, likely by exploiting a more varied diet than they do today, according to a new study by University of California, ...
Plants & Animals
Jul 6, 2011
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0
A new study demonstrates the important role of a common group of marine calcifying phytoplankton (coccolithophores) in the regulation of carbon dioxide (CO2) concentrations in the atmosphere.
Earth Sciences
Feb 20, 2023
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388
For thousands of kilometers along the western coasts of the Americas, low-oxygen waters known as oxygen minimum zones stretch out into the Pacific Ocean. In part due to climate change, this oxygen-starved region is likely ...
Earth Sciences
Nov 29, 2022
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20
On land, heatwaves can be deadly for humans and wildlife and can devastate crops and forests.
Environment
May 31, 2018
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162
However, there was a small ice-free 'polynya' between the frozen continents and the open ocean where microscopic marine life prevailed, which would have provided otherwise unavailable food for fish and mammals.
Earth Sciences
Sep 27, 2018
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81
Climate researchers at the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) expand a prevalent theory regarding the development of ice ages. In the current issue of the journal Nature ...
Earth Sciences
Mar 2, 2011
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