reef wall

reef wall

[′rēf ‚wȯl]
(geology)
A wall-like upgrowth of living coral and the skeletal remains of dead coral and other reef-building organisms, which reaches an intertidal level and acts as a partial barrier between adjacent environments.
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References in periodicals archive ?
Diving here starts with a sandy slope that descends from the shore with the reef wall starting on both sides, the place is really wild and mystic, as it is full of beautiful reefs.
Diving here is starts with a sandy slope that descends from the shore with the reef wall starting on both sides in a way that supports the presence of a lot of pinnacles, dramatic rock formations and a various marine life.
Other spots that can be explored are the San Miguel coral garden, Cagpating reef wall and Guinlatayan peak bird sanctuary.
Within each site, eight non-overlapping 50m belt transects were laid out randomly (separated by >10m) on the reef flat parallel to the reef wall (following the depth contour=4-9m).
A mile off the eastern shore of the atoll, where the reef wall rapidly drops to a spectacular 2,600 feet to the ocean floor below, is the perfect spot for certified divers to explore the giant corals, sponges and countless other species that make the reef their home
On this dive we swam at the top of a reef wall, where the reef drops down to the sea floor proper - 6000ft.
Over 100 divers assembled for the formal opening and shortly after plumbed the depths of the 40-meter-deep drop down a reef wall along the edge of the Corniche.
1996, 42 m depth, thirty one colonies, 4-6 mm high, gonophores not seen [N 1783]; Guarajuba beach, on coral reef wall, 4.
It has famous dive sites in the Red Sea, with 800-meter deep reef walls and coral gardens.
Snorkellers will be in heaven in and around Sharm-el-Sheikh and Hurghada, where the amazing reef walls of Giftun Seghir and Bluff Point can be found.
Some take you to sunken wrecks, others work along the edge of the reef walls with edges that plummet to fascinating dark depths.