Clockwise from top left i) Plastic bag recorded by an OFOS at the HAUSGARTEN observatory (Arctic) at 2500 m; ii = Litter recovered within the net of a trawl in Blanes open slope at 1500 m during the PROMETO 5 cruise on board the R / V «García del Cid»; iii) Cargo net entangled in a cold -
water coral colony at 950 m in Darwin Mound with the ROV «Lynx» (National Oceanography Centre, UK).
From the video, Lissette and her fellow researchers from the NOC and the Universities of Bristol, Essex and Newfoundland identified over 30 000 animals living on the surface of the Annan Seamount in the Equatorial - Atlantic, including spectacular cold -
water coral colonies.
Not exact matches
Areas like the North Atlantic and South Pacific are particularly fertile habitats for deep - sea scleractinian reefs, but a combination of factors led scientists to believe that the accumulation of deep - sea
coral colonies into healthy reefs was exceedingly unlikely in the deep
waters of the North Pacific.
Recent surveys have found more than 2,300 - year - old
colony of deep -
water black
coral 1,480 feet (451 meters) below the surface off Oahu — and deep - sea fishing threatens the long - lived, slow - reproducing species that inhabit the sea bottom such as the Patagonian toothfish (better known as Chilean sea bass).
In order to better understand how
corals are interacting with microbes in surrounding reef
waters, the researchers set up aquaria - based experiments using
colonies of the
coral P. astreoides.
coral bleaching An event in which warming
water or other stressors cause
coral colonies to expel the algae that normally live inside them.
Hoi Ha Wan marine park is well known for it's crystal clear and calm
waters, and has some of Hong Kong's largest
coral colonies.
Descending right at the front of the wall in 5 meters
water will lead toward the steep slope along the coastline, composition of the
coral reef is mainly
colonies of Stag Horn
coral,
coral heads and bommies rich with marine fishes, even pelagic like Sunfish often visits this site.
«Previous studies have shown a two to three year delay in reproduction after severe bleaching but at most of the reefs we are finding
colonies of Acropora [branching hard
coral]
colonies with early signs of egg development in shallow
waters, 3m to 6m deep.»
The increased
water temperature will cause symbiotic bacteria in
corals of the Great Barrier Reef to produce toxically high levels of oxygen, which will kill
colonies of
coral that are centuries or even millennia old and occupy the equivalent of Japan's landmass under
water.
Symbiodinium trenchi, which normally occurs in very low numbers in the Caribbean, was able to take advantage of the warming event and become more prolific because of its apparent tolerance of high temperatures... the species appears to have saved certain
colonies of
coral from the damaging effects of unusually warm
water.