coral reef
coral bleaching
coral conservation
coral polyps
coral restoration
they were gunkholing through the coral archipelago.
snorkel around the unspoilt coral reefs.
The ship was wrecked on a coral reef.
Big waves hammered at the coral reef.
Coral reefs are rocklike structures built by layers of coral organisms, called polyps.
The other was a gold coral, called Gerardia.
rather than be blown up, Muller grounded his ship on a coral reef and surrendered.
Star coral (Montastrea cavernosa) polyps open in search of food near Little Cayman Island.
Target feed corals (“Phyto feast™” from Reef Nutrition, frozen adult brine shrimp, frozen Cyclop-Eeze ® , live Artemia
" We know that there are many contributing factice factors to the world coral reefs, we water quality of the reef.
On the left of the bay (when viewed seawards), the water is deeper but with similar coral colonies that are more scarce and small in size.
The strata strike NE,and its rock association are consisted of pyroclastic sedimentary rock,micrite and pyroclastic rocks,and containts brachiopoda,coral,bryozoan.
Here, a brilliant red sea fan coral spreads behind a golden damselfish in waters off Fiji's Namenalala Island.
This paper introduces the geological features and the unhomogeneous weathering phenomenon of coral reef limestone of Sudan Port Area,and the bearing capacity of this layer.
Ciguatoxin may be a terrible coral fish toxin that can result in poisoning in people who eat fish containing ciguatoxin.
For that reason, anyone being offered what appears to be high-quality coral cheaply would do well to view the matter with a certain degree of scepsis.
Above, the Medusa-like arms of a northern basket star (right) seek a meal of zooplankton beside a polar alcyonarian soft coral in the shallows beneath an ice sheet in the Canadian Arctic.
A group of young girls in bright gowns and with hennaed hands welcomed the president to the restored house made, according to Gulf tradition, of coral covered in lime and plaster.
Reef-building or hermatypic corals are only found in the photic zone (above 50 m depth), the depth to which sufficient sunlight penetrates the water for photosynthesis to occur.
Like coral bleaching, spawning is also dependent on water temperatures.
We are coral atolls, and corals are dying.
Some sand is really ground up coral or seashells.
Above all, there are the corals.
They'll learn the history of the reef, coral morphology, the science behind the corals.
Both offer stunning views of tropical waters dotted with colourful fish and coral reefs.
Once you lose the coral, there's nothing there. It's a literal underwater desert.
Coral reefs are already appreciated for their beauty.
Basically we collect data on fish, invertebrates, coral and coral diseases.
In recent years it's thought that half the coral in this big beast has died.
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