Articles with the keyword:
8

Coral Fossils Reveal Sea Levels Rising Fast

sea-maid submitted, created time 1 year 4 months (www.time.com)

Heat waves, droughts and mass extinctions are all potential threats from climate change. But the scariest risk has always been that of rapid sea-level rise caused by the collapse of the massive ice sheets in Greenland and Antarctica. There is enough water locked on Greenland alone to raise global sea levels by 23 ft. (7 m) if it melted, which would swamp coastal cities like London and Shanghai and all but wipe away small island states like the Maldives and Tuvalu

12

Seamounts May Serve As Refuges for Deep-Sea Animals That Struggle to Survive Elsewhere

sea-maid submitted, created time 1 year 6 months (www.sciencedaily.com)

Over the last two decades, marine biologists have discovered lush forests of deep-sea corals and sponges growing on seamounts (underwater mountains) offshore of the California coast. It has generally been assumed that many of these animals live only on seamounts, and are found nowhere else.

14

The Fastest Way to Change a Species: Start Eating It

piggy submitted, created time 1 year 7 months (sciencenow.sciencemag.org)

From the dwindling Atlantic cod to the increasingly rare American ginseng plant, species are racing to adjust to relentless human exploitation. According to a new analysis, the rate at which hunted and harvested species are changing their size and breeding schedules is unmatched in natural systems. Ecologists say the results point to errors in the way we manage fisheries and other harvested populations.

Researchers have noted rapid changes in heavily exploited fish and other species since the 1970s

11

Carbon dioxide levels may put the squeeze on squid

Darkfrog submitted, created time 1 year 8 months (www.nytimes.com)

This is a New York Times writeup of an issue discussed in PNAS. It seems that rising CO2 levels may disproportionately affect the most delicious I mean mysterious of all sea creatures: the squid.

As the oceans absorb more carbon dioxide from the air, they become more acidic. This can affect corals and other small organisms, but it can also affect bigger creatures, like large, ready-to-eat I mean shell-less mollusks

10

Researchers find the first vertebrate eye to use mirror instead of lens

sea-maid submitted, created time 1 year 8 months (www.newscientist.com)

The deep sea is full of surprises, and the four-eyed spookfish is up there with the best of them. It is the first vertebrate found with eyes that use mirrors, rather than a lens, to focus light.

7

Red Fish, Blue Fish, One Fish Becomes Two Fish

sea-maid submitted, created time 1 year 11 months (sciencenow.sciencemag.org)

Changes in vision lead to new species in cichlids in a form of sexual selection not usually seen (or at least not usually recognized).

6

In acidic oceans, sound carries further

Darkfrog submitted, created time 1 year 11 months (sciencenow.sciencemag.org)

It seems that as the oceans grow more acidic with all this atmospheric CO2, sounds begin to travel longer distances before they dissipate. Despite what one might think, this is not good news for whales and dolphins, which use sound to communicate and travel. Military sonar can already disrupt cetacean behavior as much as five hundred kilometers away. If things continue at the current rate, then by 2050, these sounds will travel 70% further in some parts of the Atlantic.

7

Mutualism alters fish behavior

Darkfrog submitted, created time 1 year 11 months (www.nature.com)

A type of fish called the cleaner wrasse seems to haev a calming effect on local predators. The wrasse eat parasites off the scales of larger fish and even provide what Nature writers have called "a calming massage" with their fins. In return, the client fish keep returning to the wrasses' territory to provide them with more food.

However, what researchers have recently noticed is that client fish stop hunting each other while in wrasse territory--even while they are waiting to be served.

7

Explorers find hundreds of undescribed corals, other species on familiar Australian reefs

sea-maid submitted, created time 1 year 11 months (esciencenews.com)

Hundreds of new kinds of animal species surprised international researchers systematically exploring waters off two islands on the Great Barrier Reef and a reef off northwestern Australia -- waters long familiar to divers. The expeditions, affiliated with the global Census of Marine Life, help mark the International Year of the Reef and included the first systematic scientific inventory of spectacular soft corals, named octocorals for the eight tentacles that fringe each polyp

7

Fantastic photographs of fluorescent fish

sea-maid submitted, created time 1 year 11 months (esciencenews.com)

Scientists have discovered that certain fish are capable of glowing red. Research published today in BMC Ecology includes striking images of fish fluorescing vivid red light.

8

New giant clam species offers window into human past

sea-maid submitted, created time 2 years 1 week (esciencenews.com)

Researchers report the discovery of the first new living species of giant clam in two decades, according to a report to be published online on August 28th in Current Biology, a Cell Press publication. While fossil evidence reveals that the...

6

Jellyfish plague coastal waters, a symptom of deeper problems

Darkfrog submitted, created time 2 years 1 month (www.nytimes.com)

Well, I can say with confidence that the jellyfish have been showing up on the coast of New Jersey more or less on schedule midsummer--just as the water turns from cold to warm--for about twenty years now. I only remember one year that could be called a bona-fide infestation. (Word of advice: ALWAYS rinse off and change clothes before the drive home. It's keeping the stingers next to your skin that causes what I'll delicately call "dermatological side effects.") This year wasn't one of them

7

Lawsuit puts sea bass experiments on hold

Darkfrog submitted, created time 2 years 1 month (www.nature.com)

Any Dr. Evil fans out there? FIsh farmers' attempts to train sea-bass (no note is given as to whether they are ill-tempered) have been halted by a lawsuit.

The Food and Water Watch has had a temporary injunction issued, claiming that there has not been enough investigation as to whether the food cage to be used in the experiment will not pollute surrounding waters. Fine with me. Investigation is good. We should all know the risks, because there are GOING to be risks.

Overly furry secret agents were in no danger, though

9

Fishing Bans May Save Corals from Killer Starfish

sea-maid submitted, created time 2 years 1 month (www.sciam.com)

Good news for the world's vanishing corals: a new study shows that commercial fishing bans in Australia's Great Barrier Reef kept a lid on coral-gobbling starfish.

"This is definitely good news for coral," says John Bruno, an associate professor of marine science at the University of North Carolina (U.N.C.) at Chapel Hill.

Researchers found that there were as many as seven times fewer outbreaks of coral-killing crown-of-thorns starfish—which can have up to twenty spike-covered arms and grow up to two feet (0

7

Microbes beneath sea floor genetically distinct

sea-maid submitted, created time 2 years 1 month (esciencenews.com)

Tiny microbes beneath the sea floor, distinct from life on the Earth's surface, may account for one-tenth of the Earth's living biomass, according to an interdisciplinary team of researchers, but many of these minute creatures are living on a geologic...

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