News tagged with marine food web
A 'B12 shot' for marine algae? Scientists find key protein for algae growth in the ocean
Scientists have revealed a key cog in the biochemical machinery that allows marine algae at the base of the oceanic food chain to thrive. They have discovered a previously unknown protein in algae that grabs an essential ...
May 31, 2012 |
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Marine scientist discusses cod colonization
New evidence suggests that Atlantic cod may have the ability to affect entire food webs in both benthic and pelagic marine ecosystems, according to a University of Maine marine scientist, writing in the Proceedings of ...
May 24, 2012 |
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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 |
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Earth is having a bad acid trip, study finds
Earth may be overdosing on acid - not the "turn on, tune in, drop out" kind, but the "kill fish, kill coral, kill crops" kind. And it's shaping up to be a very bad trip.
Oct 03, 2011 |
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Global warming brings crab threat to Antarctica
The sea floor around the West Antarctica peninsula could become invaded by a voracious king crab, which is on the march thanks to global warming, biologists reported on Wednesday.
Sep 07, 2011 |
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Depletion of the body snatchers: Bad news for marine environment
A recent study conducted for The IUCN Red List of Threatened Species has determined that 20 percent of hagfish species are at an elevated risk of extinction*. Scientists warn that this figure could be much ...
Jul 29, 2011 |
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Harvesting of small fish species should be cut: study
(PhysOrg.com) -- New research on the fishing of small fish species near the bottom of their food chains suggests harvesting at levels previously thought to be sustainable could have devastating effects on ...
Jul 22, 2011 |
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Loss of large predators has caused widespread disruption of ecosystems
(PhysOrg.com) -- The decline of large predators and other "apex consumers" at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an ...
Jul 19, 2011 |
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Jellyfish blooms shunt food energy from fish to bacteria
A new study by researchers at the Virginia Institute of Marine Science (VIMS) shows that jellyfish are more than a nuisance to bathers and boaters, drastically altering marine food webs by shunting food energy ...
Jun 06, 2011 |
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Marine lab research tracks pollutants in dolphins, beluga whales
Bottlenose dolphins and beluga whales, two marine species at or near the top of their respective food webs, accumulate more chemical pollutants in their bodies when they live and feed in waters near urbanized ...
May 11, 2011 |
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Propeller turbulence may affect marine food webs
A new study by researchers at the Virginia Institute of Marine Science shows that turbulence from boat propellers can and does kill large numbers of copepods—tiny crustaceans that are an important part of marine food ...
Apr 19, 2011 |
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Rowdy residents warn crustaceans away from perilous reefs
(PhysOrg.com) -- Coral reefs present a treacherous wall of mouths to flea-sized planktonic crustaceans, but the clamour generated by animals on the reef may act like a foghorn to warn them away from danger.
Feb 04, 2011 |
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Scientists question indicator of fisheries health, evidence for 'fishing down food webs'
The most widely adopted measure for assessing the state of the world's oceans and fisheries led to inaccurate conclusions in nearly half the ecosystems where it was applied according to new analysis by an ...
Nov 17, 2010 |
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Marine viruses changing Earth's system: study
All but overlooked until the past decade, marine viruses far outnumber any other biological entity on the planet. Scientists are only beginning to discover the invisible particles that are the cogs of Earth's ...
Sep 28, 2010 |
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'Evil twin' threatens world oceans, scientists warn
(PhysOrg.com) -- The rise in human emissions of carbon dioxide is driving fundamental and dangerous changes in the chemistry and ecosystems of the world’s oceans, international marine scientists warned today.
Mar 29, 2010 |
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