Researchers appeal for new regulations to save coral reefs from live fish trade
... thrive in these situations, particularly when the corals are already stressed by a multitude of other impacts including global warming. According to the 2004 Status of the Coral Reefs of the World report, coral reefs are in serious decline due largely to human activities; an estimated 20% of the world's ...Pollution threatens coral health by preventing lesions from healing, UCF study shows
...medical examiner," Fauth said. "It's possible that corals are being stressed by pollution, and we're trying to find out what stresses them and how it's affecting coral health." If the researchers can determine the specific causes of pollution that are harming coral, it then will be up to governments, orga...Corals switch skeleton material as seawater changes
...eopards may not be able to change their spots, but corals can change their skeletons, building them out of d... growth in the same location. The team showed that corals can switch from using aragonite to another mineral, calcite, in making the calcium carbonate. They m...Report warns about carbon dioxide threats to marine life
...s a result, reef structures are threatened because corals may be unable to build reefs as fast as erosion wears away the reefs. "This threat is hitting coral reefs at the same time that they are being hit by warming-induced mass bleaching events," Langdon says. Mass bleaching occurs when unusually warm te...Media teleconference announces ocean acidification findings
...matically altering ocean chemistry and threatening corals and other marine organisms that secrete skeletal structures. A new report summarizes research into ocean acidification and recommends future studies to determine the extent of the effects on marine biodiversity. The National Center for Atmospheric ...Coral death results from bacteria fed by algae
... of seawater with filters between them. All of the corals with neighboring algae died, while coral without n...oral by cutting off the supply of oxygen. Once the corals die, this frees more space for more algae to grow. We think this process sets up a positive feedback...Drug discovery team to explore newly discovered deep-sea reefs
...n Miami and Bimini because pieces of reef-building corals had been brought up using surface-operated dredge ...ollecting samples of organisms such as sponges and corals that will be tested to determine if they, or microorganisms living within them, produce chemicals wi......n Miami and Bimini because pieces of reef-building corals had been brought up using surface-operated, dredge...l collect samples of organisms such as sponges and corals that they will test to determine if they, or microorganisms living within them, produce chemicals wi...Coral reef resilience: Better feeders survive bleaching
... graveyards, is damaging reefs worldwide. But some corals survive. A Nature report identifies a new trait cr...e. In an experiment with three species of Hawaiian corals researchers found that, when bleached, the branching coral Montipora capitata sharply increased its ...Tiny polyps gorge themselves to survive coral bleaching
...sult is a "bleached" white coral. "In most cases, corals get 100 percent of their daily metabolic energy ne... researchers is why in some bleaching events, some corals quickly died off while others close by were able to recover. To answer that, she returned to Hawaii ...NASA helps researchers diagnose recent coral bleaching at Great Barrier reef
...curs when warmer than tolerable temperatures force corals to cast out the tiny algae that help the coral thr...nd give them their color. Without these algae, the corals turn white and eventually die, if the condition persists for too long. "Australia's Great Barrier Re...Ocean acidification threatens cold-water coral ecosystems
...eep-sea calcifying animals like corals. Cold-water corals that make their skeletons from aragonite a form o...) are most vulnerable. Cold-water, reef-building corals are prevalent in the North Atlantic, where there is a deep layer of water supersaturated with aragon...Sea coral's trick helps scientists tag proteins
...kyanov, no one had looked for GFP-like proteins in corals because they do not glow in the dark like fireflies and jellyfish. The corals' native green and red fluorescent proteins give off light only when stimulated by higher intensity light. Lukyanov's findings resulted in the discovery of many new GFP-like...Anemone genes reveal versatile building blocks for body plans
...an--a simple sea anemone. Sea anemones, along with corals and jellyfish, are members of the phylum Cnidaria, and they possess a radial body plan that is distinct from the familiar bilateral body plan exhibited by vertebrates and many other animals. Despite their superficial dissimilarities, Cnidarians and o......some waters that are warm enough for reef building corals do not have them. In Florida, for instance, reef-b...lar throughout the state's geological history, yet corals thrive in Bermuda, well north of there where temperatures are cooler. One idea is that, both histor...Oceans may soon be more corrosive than when the dinosaurs died
...d be especially damaging to marine animals such as corals that use calcium carbonate to make their shells. U...te shells that live in the upper ocean--especially corals and plankton. During the same period, species with shells made from resistant silicate minerals were.......6C may have been beneficial to the growth of some corals and as a result masked the negative effects of dec...r temperatures will exceed the thermal optimum for corals and when that happens both rising temperature and falling ocean pH will have a mutually reinforcing,...Scientists look to the Bahamas as a model for coral reef conservation
...d. Since coral larvae only grow on rocks or dead corals that are algae-free, too much seaweed can prevent corals from re-establishing damaged reefs in the aftermath of hurricanes and other deadly events. With the ...The rising tide of ocean plagues: How humans are changing the dynamics of disease
...tly," says Kline. "It's sugars making bacteria on corals grow out of control." Bacterial communities live in healthy corals and are beneficial when kept in check: they may actually protect corals from disease and likely coll......carbon compounds--too much sugar--that often kills corals indirectly by stimulating bacterial growth." "Suga... in runoff cause bacteria normally associated with corals to grow out of control. People don't usually even measure carbon when they do water quality studies...