News tagged with ocean ecosystem

DNA evidence shows that marine reserves help to sustain fisheries

Researchers reporting online on May 24 in the Cell Press journal Current Biology present the first evidence that areas closed to all fishing are helping to sustain valuable Australian fisheries. The intern ...

Biology / Ecology

created May 24, 2012 | popularity 5 / 5 (3) | comments 0

Sea lions fuel ocean life

Like whales, sea lions are contributing to marine ecosystems in the most fundamental way possible, research by a Flinders graduate has found.

Biology / Ecology

created May 15, 2012 | popularity 4.5 / 5 (2) | comments 0

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 ...

Space & Earth / Environment

created Apr 29, 2012 | popularity 3.7 / 5 (3) | comments 3 | with audio podcast

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

created Jun 17, 2011 | popularity 5 / 5 (11) | comments 7 | with audio podcast

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

created Feb 18, 2010 | popularity 5 / 5 (13) | comments 0 | with audio podcast

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 ...

Biology / Ecology

created Apr 03, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

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

created Mar 01, 2012 | popularity 4.7 / 5 (13) | comments 4 | with audio podcast

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 ...

Biology / Plants & Animals

created Nov 22, 2009 | popularity 4.9 / 5 (16) | comments 0

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 ...

Space & Earth / Environment

created Apr 02, 2012 | popularity 4 / 5 (4) | comments 0 | with audio podcast

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 ...

Space & Earth / Environment

created Oct 03, 2011 | popularity 4.2 / 5 (5) | comments 5 | with audio podcast

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

created Nov 15, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

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.

Space & Earth / Environment

created Dec 22, 2011 | popularity 4.3 / 5 (6) | comments 10 | with audio podcast

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

created Oct 17, 2010 | popularity 3.5 / 5 (23) | comments 18 | with audio podcast

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, ...

Biology / Plants & Animals

created Jul 01, 2011 | popularity 4 / 5 (2) | comments 0 | with audio podcast

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

created Jan 10, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast