reef flat

reef flat

[′rēf ‚flat]
(geology)
A flat expanse of dead reef rock which is partly or entirely dry at low tide; shallow pools, potholes, gullies, and patches of coral debris and sand are features of the reef flat.
References in periodicals archive ?
Documentation of the bleaching, carried out by researchers from the Coral Reef Ecology Lab at the Hawai'i Institute of Marine Biology, found that 47 percent of reef flat corals at the nature preserve bleached overall, while 9.
Impact of human trampling in different zones of a coral reef flat.
Abundances showed a different development across the zones, also mostly regardless of the calculation steps, with specimen counts increasing across the reef flat with availability of attached substrate, peaking on the crest, and then decreasing again (Fig.
A large scale analysis revealed that nine of the 25 habitats registered on the shallow reef complex of Old Providence Island, (Table 1) had a relative coverage of cyanobacteria >1%, at the fore reef (NW), pinnacles (NE), reef flat and lagoon (E) of the island.
The height of the reef flat was located at about 6 cm (pool 2), 11 cm (pool 3), 10 cm (pool 4), 20 cm (pool 5), and 13 cm (pool 6), below that near pool 1.
Octopus is hunted on foot on the reef flat with a steel pick, which is poked into its hiding places.
This study examined the feeding preferences of parrotfish (genus Scaridae) on the windward reef flat of Heron Island located on the Great Barrier Reef in Queensland, Australia.
Their reports suggest 70 to 80 per cent of the coral around Keppel Island and 10 to 30 per cent of the coral on the Heron Island reef flat and reef crest is showing signs of stress.
A 1,844-hectare nature and recreational park, the Hundred Islands National Park is mainly composed of limestone characterized by a wide reef flat.
depth [m below mean low water], a quadratic term for habitat [ranked by relative distance from shore through reef flat, crest, and seaward slope zones]), and both linear and quadratic terms for regional species richness (Cornell and Karlson 1996).
This area is called the reef flat when the tide is out.