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Tag: "coral" at biology news

Healthy coral reefs of Madagascar resisting damage from climate change

Healthy coral reefs of Madagascar's northeast coast have so far ...rogram (RAP) expeditions also recorded the highest coral diversity of the western Indian Ocean and the Red Sea, making the region one of the richest in India...

Ocean acidification threatens cold-water coral ecosystems

...ers throughout the world's oceans. Some cold-water coral reefs are home to more than 1,300 species of anima...s, a diversity rivaling some better known tropical coral reefs. Until now, scientists believed bottom trawling ?a commercial fishing method in which vessels ...

How marine reserves are giving coral reefs a helping hand

...me that they could also help improve the health of coral reefs. In a paper in the prestigious journal Scie...ng event in 1998 which caused widespread damage to coral around the world. What we have found is that marine reserves might provide exactly the right condi...

Cuttlefish masters of disguise despite colorblindness

...s worldwide; they are particularly abundant around coral reefs and temperate rock reefs in which the visual habitat is richly varied. Cephalopods can change their appearance with a speed and diversity unparalleled in the animal kingdom. Some squids, octopuses, and cuttlefish can show 30-50 different appear...

Sea coral's trick helps scientists tag proteins

The glow emitted by a variety of sea coral helped Russian scientists harness the protein that...--called Dendra because it is derived from the sea coral Dendronephthya--first shows up as a green glow, highlighting the otherwise invisible protein to whic...

Expedition discovers marine treasures

...f marine life and vulnerable status of the atoll's coral beds make Saba Bank a prime candidate for designation as a Particularly Sensitive Sea Area (PSSA) under the International Maritime Organization (IMO). Mark Littler, marine botanist of the Smithsonian Institution's National Museum of Natural History,...

Too much sugar not good for coral reefs

... more nutrient rich runoff that threatens the very coral reefs attracting tourists in the first place. Da...rch Institute and colleagues find that bacteria on coral reefs grow out of control as the level of simple sugars in seawater increases. "I set up a seawater...

Tiny polyps gorge themselves to survive coral bleaching

Certain species of coral have surprised researchers by showing an unexpecte...tony. The discovery, derived from experiments on coral reefs in Hawaii , provides new insights into how these tiny animals face a multitude of environmenta...

Pacific Islands paradise protected

... archipelago of some of the planet's most pristine coral reefs. Martin Puta Tofinga, Minister of Environme... the size of Portugal. It contains a near pristine coral archipelago with abundant marine and bird life, and is the first marine protected area in the region...

Underdogs in the understory: Study suggests nature favors rarer trees

...hether other ecosystems, from temperate forests to coral reefs, also select for biodiversity. (Photos of Muller-Landau and a tropical forest are available on request.) ...

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

...ed this week in Current Biology, tsunami damage to coral reefs closest to the epicenter of the 2004 Sumatra... the traditional Acehnese system of Panglima Laut, coral cover was high. In contrast, reefs exposed to destructive fishing had low coral cover and high algal...

Health of coral reefs detected from orbit

...chers have found Envisat's MERIS sensor can detect coral bleaching down to ten metres deep. This means Envisat could potentially monitor impacted coral reefs worldwide on a twice-weekly basis. Coral bleaching happens when symbiotic algae living in sym...

Marine conservation organizations team up to conduct Indonesia coral reefs assessment

...vation Union to examine damage to tsunami-affected coral reefs; mission set to start next week Three leadi...devastating earthquake and tsunami on the region's coral reefs. The Khaled bin Sultan Living Oceans Foundation, Reef Check and The World Conservation Union...

Deep treasure to be found in Oculina Bank

...miliar marine resources--the spectacular deepwater coral reefs of the Oculina Bank--some 30 years after the...st thousand years or so by the delicate ivory tree coral Oculina varicosa, and include a series of spectacular pinnacles, mounds, and ridges that can grow up...

Seaweed yields new compounds with pharmaceutical potential

...a species of red seaweed that lives in the shallow coral reef along the coastline of Fiji in the south Paci...rate animal samples they collected from the Fijian coral reef in June 2004 with the permission of the Fijian government and local resource owners. "Marine...

Oceans turning to acid from rise in CO2

...dic water could interrupt the process of shell and coral formation and adversely affect other organisms dependent upon corals and shellfish. The acidity could also negatively impact other calcifying organisms, such as phytoplankton and zooplankton, some of the most important players at the base of the plan...

Drugs from the deep blue

...occur as slimy mats or filaments in places such as coral reefs and mangrove lagoons. Some of these compounds have biochemical activities that could be useful in medicine -- killing microbes, stopping growth of cancer cells, or affecting the flow of calcium in and out of cells. Marine natural products are...

Aquatic plants may hold key to advancing plant disease management

...se development. "Emerging marine diseases, such as coral diseases, are creating a major shift in the marine flora," Schmale said. "Global warming and climate change appear to be increasing the rate at which these diseases spread and intensify," he said. The biology, ecology, and control of aquatic plant d...

Hidden sponges determine coral reef's nutrient cycle

... extremely important role in the nutrient cycle of coral reefs. Indeed they probably play the most importan...r nature conservationists who want to preserve the coral reefs. In order to protect coral reefs it is important to understand how both the reefs and their e...

Environmental lessons from tsunami as world's coastal population doubles

...o the coastline. Sand dunes, mangrove forests and coral reefs helped reduce the energy of tsunami waves in...om ecologists show that natural ecosystems such as coral reefs and coastal mangrove forests can adapt to change and recover from storms and floods and still ...

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