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Tag: "reef" at biology news

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...sts over short time horizons as shown with certain reef fish (Science 1999)." The paper by the Scripps team helps to clarify the scientific basis of the next decade's challenge for fisheries and ecosystem management. ...

An (ecological) origin of species for tropical reef fish

...Florida and the University of Hawaii, report coral reef fish from neighboring habitats may differ more fro...les away. An ecological speciation model for coral reef organisms may spur the development of a more synthetic treatment of speciation on land and sea. Cor...

Searching the depths of the straits of Florida for disease cures

... Miami Terrace, a 60-mile long, ancient deep-water reef just east of Fort Lauderdale and Miami. During dives on the Miami Terrace in May of 2004, the team, along with scientists from Florida Atlantic University in Boca Raton, found incredible diversity that varied dramatically along its length. Prior to ...

Tsunami-damaged coral reefs should be left to recover naturally, say scientists

...d Bank, point to historical records of major coral reef devastation by cyclones and typhoons, which show that reefs recovered without human intervention. Although the devastation caused by the tsunami was on a much larger scale, the scientists say there is no evidence to suggest that the vast majority of...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...tes in the Red Sea's Gulf of Aqaba, near the coral reef of Eilat in Israel and at Ras Burka on the coast of Egypt's Sinai Peninsula. At the sites scuba divers attached Fish TV's sonar head ("transducer") on a large underwater tripod raised some 20 feet above the seafloor. The transducer was cabled to a co...

Hidden sponges determine coral reef's nutrient cycle

...r-studied subject: the nutrient cycle on the coral reef and the role that organisms living in cavities, such as sponges, play in this. Underwater camera To determine the nature and size of this role, Scheffers first of all examined the precise appearance and quantity of these virtually inaccessible c...

Seaweed yields new compounds with pharmaceutical potential

...ies of red seaweed that lives in the shallow coral reef along the coastline of Fiji in the south Pacific O...nimal samples they collected from the Fijian coral reef in June 2004 with the permission of the Fijian government and local resource owners. "Marine orga...

Deep treasure to be found in Oculina Bank

...e group will also be exploring new portions of the reef revealed by a recently developed high-resolution s...f snappers and groupers and choose sections of the reef for initial monitoring surveys to be used as benchmarks. Through comparisons over time with repeat v...

Marine conservation organizations team up to conduct Indonesia coral reefs assessment

...survey results will indicate how much of the coral reef structure was damaged by the December 2004 earthqu... to reproduce and grow. "The health of the coral reef ecosystem along the Sumatra coastline is vital to the well-being of the people of Indonesia who depe...

Health of coral reefs detected from orbit

...ening coral may die with subsequent impacts on the reef ecosystem, and thus fisheries, regional tourism an...ystem than MERIS." The team studied Heron Island reef at the southern end of the Great Barrier Reef, site of a University of Queensland research station. ...

Health of Acehnese reefs in the wake of the tsunami shows human impacts more harmful

...orals in shallow waters. The team also found that reef condition varied widely within the region and was ...are natural disturbance, human modification of the reef environment did not contribute to the magnitude of damage on land. ...

Pacific Islands paradise protected

...iba, Brazil. With eight atolls and two submerged reef systems, the nearly uninhabited Phoenix Islands Protected Area (PIPA) is the largest marine protected area in the Pacific Islands at 184,700 square kilometers (73,800 square miles), twice the size of Portugal. It contains a near pristine coral archip...

Tiny polyps gorge themselves to survive coral bleaching

...d that when the temperature of the waters around a reef exceeds that upper limit and stays there for more ...nks supplied with natural seawater. Water from the reef was filtered to remove any plankton and flowed through the tanks in the same way it did through thei...

How marine reserves are giving coral reefs a helping hand

...rotfish which play a vital role in maintaining the reef ecosystem. Dr Peter Mumby, from the School of Bio... disease, leaving parrotfish as the main grazer of reef surfaces. The fish use their teeth to remove seaweed from the reef which allows new corals to settle...

'Dead zone' summer killed billions of ocean state mussels

... located in the central bay, researchers found one reef completely wiped out. Of the remaining eight, seven were severely depleted. The ecologists estimate that the number of mussels that died was roughly 4.5 billion, or about 80 percent of the reefs' population. Just one month before hypoxia hit, resear...

Drug discovery team to explore newly discovered deep-sea reefs

...une 9 to conduct the first in depth survey of deep reef areas in the region to better assess the ecologica...possible to choose dive sites likely to be vibrant reef areas ahead of time, all with an understanding of the full system being explored. The expedition w...

Deep-water discovery

...advanced sonar techniques discovered new deepwater reef sites in the Straits of Florida between Miami and ...s Initiative" is the primary project funder. "The reef raises important issues and questions," said Dr. Mark Grasmueck, a Rosenstiel School professor. "Ho...

Pollution threatens coral health by preventing lesions from healing, UCF study shows

...sts have long been concerned about declining coral reef health off the southeastern Florida coast, in the ...outheast coast. The loss of coral harms natural reef ecosystems and can hurt Florida's tourism economy if divers decide to go elsewhere. Reefs also help ...

Global warming may have damaged coral reefs forever

...ow the long-term impact of sea temperature rise on reef coral and fish communities. Large sections of co...e shown there has been very little recovery in the reef system of the inner Seychelles islands for seven years after the 1998 coral bleaching event. "Reef...

Researchers appeal for new regulations to save coral reefs from live fish trade

...chers are calling for tighter controls on the live reef fish trade, a growing threat to coral reefs, in le...alth of the reefs is being compromised by the live reef fish trade, a serious threat that has prompted scientists to call for tighter regulations on the exp...

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