News tagged with ocean ecosystem
Ocean's harmful low-oxygen zones growing, are sensitive to small changes in climate
(PhysOrg.com) -- Fluctuations in climate can drastically affect the habitability of marine ecosystems, according to a new study by UCLA scientists that examined the expansion and contraction of low-oxygen ...
Space & Earth / Earth Sciences
Jun 17, 2011 |
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Dynasty of plankton-eating giants from Age of Dinosaurs revealed in new study
(PhysOrg.com) -- Giant plankton-eating fish filled the prehistoric seas for more than 100 million years before they were wiped out in the same event that killed off the dinosaurs, new fossil evidence claims.
Other Sciences / Archaeology & Fossils
Feb 18, 2010 |
5 / 5 (13) |
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Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss (w/ Video)
Census of Marine Life scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight - creatures that somehow manage a living in a frigid ...
Nov 22, 2009 |
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Pacific islands may become refuge for corals in a warming climate, study finds
Scientists have predicted that ocean temperatures will rise in the equatorial Pacific by the end of the century, wreaking havoc on coral reef ecosystems. But a new study shows that climate change could cause ocean currents ...
Apr 29, 2012 |
3.7 / 5 (3) |
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Task force recommends reducing global harvest of 'forage fish'
A task force that conducted one of the most comprehensive analyses of global "forage fish" populations issued its report this week, which strongly recommends implementing more conservative catch limits for these crucial prey ...
Apr 03, 2012 |
3.7 / 5 (3) |
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Team releases findings from 2011 cruise to measure the concentration, distribution, and impacts of Fukushima radiation
(PhysOrg.com) -- An international research team is reporting the results of a research cruise they organized to study the amount, spread, and impacts of radiation released into the ocean from the tsunami-crippled ...
Apr 02, 2012 |
4 / 5 (4) |
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New study links dust to increased glacier melting, ocean productivity
A University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science-led study shows a link between large dust storms on Iceland and glacial melting. The dust is both accelerating glacial melting ...
Space & Earth / Earth Sciences
Mar 01, 2012 |
4.7 / 5 (13) |
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Comprehensive study makes key findings of ocean pH variations
A group of 19 scientists from five research organizations have conducted the broadest field study of ocean acidification to date using sensors developed at Scripps Institution of Oceanography, UC San Diego.
Dec 22, 2011 |
4.3 / 5 (6) |
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Welsh mudstones reveal ancient sponge ecosystem
A remarkably complete record of a prehistoric seabed ecosystem of a kind never discovered before has been revealed with X-ray scanning.
Other Sciences / Archaeology & Fossils
Nov 15, 2011 |
4.8 / 5 (5) |
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Decline and recovery of coral reefs linked to 700 years of human and environmental activity
Changing human activities coupled with a dynamic environment over the past few centuries have caused fluctuating periods of decline and recovery of corals reefs in the Hawaiian Islands, according to a study ...
Oct 03, 2011 |
4.2 / 5 (5) |
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Study sheds light on tunicate evolution
(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) researchers have filled an important gap in the study of tunicate evolution by genetically sequencing 40 new specimens of thaliaceans, gelatinous, ...
Jul 01, 2011 |
4 / 5 (2) |
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Species loss tied to ecosystem collapse and recovery
The world's oceans are under siege. Conservation biologists regularly note the precipitous decline of key species, such as cod, bluefin tuna, swordfish and sharks. Lose enough of these top-line predators (among ...
Space & Earth / Earth Sciences
Jan 10, 2011 |
5 / 5 (6) |
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Ocean acidification changes nitrogen cycling in world seas
Increasing acidity in the sea's waters may fundamentally change how nitrogen is cycled in them, say marine scientists who published their findings in this week's issue of the journal Proceedings of the Na ...
Dec 20, 2010 |
4.1 / 5 (8) |
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Busy microbial world discovered in deepest ocean crust ever explored
The first study to ever explore biological activity in the deepest layer of ocean crust has found bacteria with a remarkable range of capabilities, including eating hydrocarbons and natural gas, and "fixing" ...
Space & Earth / Earth Sciences
Nov 19, 2010 |
4.6 / 5 (17) |
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Climate change may alter natural climate cycles of Pacific
While it's still hotly debated among scientists whether climate change causes a shift from the traditional form of El Nino to one known as El Nino Modoki, online in the journal Nature Geoscience, scientists now say that E ...
Space & Earth / Earth Sciences
Oct 17, 2010 |
3.5 / 5 (23) |
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