Posts Tagged ‘oceans’
Lack of biodiversity could topple fisheries
U. YORK (UK) — The consequences of overfishing have led fisheries to rely on a handful of highly valuable shellfish—but new research shows this approach is extremely risky. Continue…
Monday, May 20, 2013 12:14 - 2 Comments
Science & Technology - May 14, 2013 14:17 - 0 Comments
Earthquake sensors on seafloor track whale songs
U. WASHINGTON (US) — Seafloor earthquake sensors are an inexpensive and noninvasive way to monitor the movements of fin whales that are vulnerable to collision with fast-moving ships. (more…)
Earth & Environment - May 13, 2013 16:59 - 0 Comments
Seabird bones reveal effects of ‘big’ fishing
MICHIGAN STATE (US) — Bone records show that endangered Hawaiian petrels are eating lower on the food chain than before the advent of industrialized fishing, report researchers. (more…)
Earth & Environment - Apr 23, 2013 6:24 - 0 Comments
Snail fossils show when Earth turned icy
U. MICHIGAN (US) — Fossil snail shells offer new clues to an abrupt climate shift that transformed the planet nearly 34 million years ago. (more…)
Top Stories - Apr 16, 2013 16:34 - 1 Comment
Sunlight on snow reacts to clean Arctic air
PURDUE (US) — Rising surface temperatures in the Arctic could affect a unique chemical reaction that helps rid the air of pollutants, experts report. (more…)
Earth & Environment - Apr 16, 2013 10:47 - 3 Comments
Plant builds bigger shells in acidic water
UC SANTA BARBARA (US) — The future of ocean life for its shelled creatures may not be so bleak, marine scientists say. (more…)
Science & Technology - Apr 10, 2013 10:47 - 0 Comments
Rocky ride tells sea urchins to grow up
UC DAVIS / STANFORD (US) — Purple sea urchin larvae know it’s time to settle down and grow into adults when tumbling in the waves signals they’ve hit a rocky shore, new research shows. (more…)
Earth & Environment - Apr 9, 2013 11:36 - 0 Comments
To survive, sea urchins evolve in a snap
STANFORD (US) — Some purple sea urchins are able to evolve rapidly, which should come in handy as climate change increases ocean acidity. (more…)
Earth & Environment - Apr 8, 2013 11:09 - 0 Comments
Ocean’s dusty winds key to past warm-up
CARDIFF U. (UK) — Airborne dust in the Southern Ocean may have played a key role in past rapid climate changes, new research reports. (more…)
Science & Technology - Apr 2, 2013 12:14 - 0 Comments
Cold prompts ‘power stroke’ in tiny swimmers
U. TEXAS – AUSTIN (US) — To escape from predators in cold, viscous water, marine copepods switch up their swimming method, say researchers. (more…)
Science & Technology - Mar 26, 2013 15:04 - 0 Comments
First bull shark found with two heads
MICHIGAN STATE (US) — A bull shark found in the Gulf of Mexico in 2011 was a single shark with two heads, rather than conjoined twins, experts confirm. (more…)
Earth & Environment - Mar 26, 2013 12:48 - 0 Comments
Lost sea slug sighted in California waters
UC SANTA BARBARA (US) — A bright blue sea slug thought to be extinct in Southern California appears to be making a comeback. (more…)
Science & Technology - Mar 18, 2013 10:02 - 2 Comments
Antarctic whale bones teem with critters
U. SOUTHAMPTON (UK) — Scientists have discovered a whale skeleton in an undersea crater near Antarctica, as well as at least nine new species of deep-sea organisms thriving on the bones. (more…)
Science & Technology - Mar 4, 2013 12:01 - 1 Comment
Fukushima radiation reveals tuna’s journey
STANFORD (US) — Pacific bluefin tuna are picking up radioactive cesium released in Japan’s 2011 nuclear disaster, allowing scientists to determine the fish’s migratory habits by testing for this radioactive signature. (more…)
Science & Technology - Feb 26, 2013 11:51 - 0 Comments
Tourists’ photos could aid whale shark research
U. FLORIDA (US) — Whale sharks are the world’s largest fish, but the body of scientific knowledge surrounding them is surprisingly small. (more…)
Science & Technology - Feb 21, 2013 11:30 - 4 Comments
Most abundant ocean viruses attack bacteria
U. ARIZONA (US) — Odd-looking viruses are waging war on an ocean-living bacterium that’s key to the Earth’s carbon cycle, say researchers. (more…)
Earth & Environment - Feb 13, 2013 18:30 - 0 Comments
Variety of picky fish needed for healthy reefs
GEORGIA TECH (US) — Because certain fish species only eat certain seaweeds that can be harmful to corals, maintaining a diverse fish population is critical to reef survival, a new study shows. (more…)
Earth & Environment - Feb 6, 2013 8:01 - 0 Comments
Without calcium, coral reefs may stop growing
U. QUEENSLAND (AUS) — Many Caribbean coral reefs don’t have enough calcium carbonate and have either stopped growing or are on the threshold of eroding away, new evidence suggests. (more…)
Earth & Environment - Feb 4, 2013 15:21 - 0 Comments
Tropical rain has varied with ocean impact
U. PITTSBURGH (US) — Historic lake sediment reveals that the factors producing drier climates in Central America today actually caused wetter conditions a few hundred years ago. (more…)
