Ulva and Enteromorpha are cosmopolitan, intertidal marine algae that display a foliaceous morphology in their natural environment. |
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Mudflats lie lower in the upper intertidal zone than marshes and are smooth, almost level surfaces across which tidal creeks meander. |
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Rocky intertidal communities on opposite sides of the south island experience contrasting oceanographic conditions. |
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They are found in all seas, at all latitudes, and from the intertidal to the abyssal zone. |
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Only tiny phytoplankton are found throughout the area, although intertidal zones in the south contain kelp beds. |
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Lingulids are shallow burrowing infaunal filter feeders of the shallow intertidal zone. |
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At first sight, the Shark Bay stromatolites look like rocks lying in an orderly fashion in the intertidal zone. |
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The coastal intertidal zone is the area between the low and high tide zones that is not quite oceanic and not quite terrestrial. |
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The intertidal zone supplies fishermen with surf perch, cabezons, blennies, rock fish, pricklebacks, mussels and sea urchins. |
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Knots and turnstones are both medium-sized waders that inhabit intertidal coastal areas outside the breeding season. |
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Submerged vegetation consisted of dense beds of eelgrass or green algae which occurred on intertidal mudflat habitat. |
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While submerged during high tide, an intertidal organism is likely to display a body temperature similar to that of the surrounding water. |
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A recently discovered intertidal, poisonous species of the sun spider burrows just above the high tide. |
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Many of the less calcified bryozoans, like the common sea mat, live attached to seaweed in the intertidal and shallow subtidal areas. |
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They haul out on intertidal rocks and ledes, sandy and pebble beaches, sandbars, and sometimes, ice floes. |
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The development of Skolithos trace fossils on the upper surface of some beds suggests periodical emergence into an intertidal zone. |
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Our examples are taken from recent investigations of two key components of rocky intertidal communities, mussels and whelks. |
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When the beach was pushed landward just west of Line 3a, a large number of tree trunks became exposed in the intertidal zone. |
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Includes geoduck, intertidal clams, prawns, crab, shrimp, sea urchins, sea cucumber, etc. |
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These mud-shrimp are restricted to the lower intertidal of estuarine mouth areas, on muddy point bars that are in continuous contact with normal marine seawater. |
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These observations suggest that some individuals occasionally stray off of the marsh surface, or are inadvertently transported to the lower intertidal zone during ebb tides. |
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The nonindigenous green crabs are the largest common intertidal predators. |
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Such shelter may be found in estuaries, in embayments, and on sections of open coast which are protected by wide intertidal flats and barrier complexes. |
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A similar set of tradeoffs may explain why surf smelt, which spawn in fine gravel, can spawn successfully lower in the intertidal zone than grunion, spawning in sand. |
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This is the only keyhole limpet collected from these rocks, and it was found with other rocky intertidal snail shells such as whelks and top shells. |
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Lingcod prefer rocky areas, living on the bottom of the ocean from intertidal depths to about 100 metres. |
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Rockweed, common name for various species of brown algae growing attached to intertidal rocks. |
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Rockweed forms a very stable cover in the intertidal zone but storms, ice action and pollution can reduce abundance or restrict its distribution. |
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Neither feeding away from the intertidal zone nor a close association with colonial birds and mammals has been reported in either nigrofumosus or taczanowskii. |
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For instance, floating logs and other debris in the intertidal zone can batter the resident organisms, producing localized mortality. |
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Chitons, especially in warm areas, are usually found in the intertidal zone or in shallow water. |
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Smothering can be extensive in the case of a sinking pollutant or in the event of strong swell pushing the pollutant below the intertidal zone. |
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Surf clams live in ocean areas with sandy bottoms in which they can burrow, at depths from the intertidal zone to about 100 metres. |
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Living at variable depths from the low intertidal zone to more than 100 metres, they burrow into the ocean floor. |
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Prior to the late 1960s, the harvest of geoduck was limited to intertidal stocks. |
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Typically, the red sea urchin is found from the intertidal zone to depths of 50 metres, although some individuals occur as deep as 125 metres. |
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They are found at varying depths, from the intertidal zone to about 40 metres below. |
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The giant Pacific octopus ranges from California through the Bering Sea to Japan and from the intertidal zone to at least 100 m depth. |
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Green algae covers layered sandstone exposed in the intertidal zone at Ferguson Point. |
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These algae are the primary producers of the rocky intertidal zone, as trees are on land. |
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The processes that affect the physical characteristics of the rocky shore also affect life in the intertidal zone. |
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The intertidal zone can be abrupt or lengthy, depending on the slope of the land as it rises from the sea. |
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Red sandstone cliffs and hard volcanic rocks in the Bay of Fundy tower over intertidal beaches up to 5 kilometres wide. |
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Rockweeds and knotted wrack dominate the rocky intertidal zones of Placentia Bay. |
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It's now rapidly expanding on the coast, and there seems to be a new land rush to intertidal habitats on the coast. |
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These activities will be confined to designated areas known as the Tsawwassen fishing area and the Tsawwassen intertidal bivalve fishing area. |
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Do not apply to areas where surface water is present or to intertidal areas below the mean high water mark. |
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Bathymetrically, the environment can be subdivided into four distinct levels: supralittoral, intertidal, infralittoral and circalittoral. |
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This sea star is an efficient carnivore with a passion for Blue Mussels, but it is only found in the lower intertidal zone. 20 cm. |
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Blue Mussels are common in the intertidal zone. They are attached by hair-like byssal threads to rocks, rockweed, or each other. |
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The physical and biological processes that maintain biofilm are important to shorebird and intertidal conservation. |
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Burrowing polychaete worms, living in mudflat intertidal areas, are extremely abundant. |
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Variations caused by high tides foster the development of vast intertidal zones in the upstream section of the Upper Estuary. |
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The marine red alga Chondrus crispus is an abundant species along the coasts of the North Atlantic and inhabits the intertidal and upper sublittoral zones of rocky shorelines. |
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Spiny dogfish occur on the continental shelf, from the intertidal to the shelf slope. |
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They are found from intertidal to abyssal zones at least as deep as 5,300 m interstitially in usually the upper few millimeters or centimeters of the sediment layer. |
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Turtles may hatch from a nest on land in the state of Queensland and scramble down to the sea across intertidal areas that are state managed and controlled. |
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The intertidal zone is between the high-tide and low-tide lines. |
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The elements proposed for estuarine systems are those defining subtidal and intertidal zones. |
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Many zooplankton provide food for the intertidal critters that are filter feeders, such as mussels, clams, and barnacles. |
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Many of the most abundant intertidal critters are shelled molluscs such as periwinkles and whelks. |
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Salt swamps are formed by seawater flooding and draining, which exposes flat areas of intertidal land. |
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The European Euscorpius carpathicus lives above ground but also occupies caves and intertidal zones. |
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In addition, workers are faced with increased transport time and reduced working time in the low intertidal. |
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In some areas, extensive tidal flats allow a broad range of intertidal heights for seeding. |
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The Final Agreement leaves some species of fish and aquatic plants non-allocated, such as crab and intertidal bivalves. |
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A trench cut through a coastal intertidal marsh exposes a peat layer, the remains of a former, now buried, marsh. |
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Mixing by tidal currents would reduce any potential freshwater plume beyond the intertidal discharge point. |
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It flourishes in the intertidal and subtidal zones, which are turbulent, high-energy communities that provide a lot of light and nutrients. |
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The lower intertidal was only locally effected and most of it recovered by now. |
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The coast of Morbihan offers a large variety of these types of intertidal zones. |
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Terrestrial amphibians face a challenge analogous to that of marine intertidal animals, in that they are highly permeable animals in a potentially desiccating environment. |
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Marine sponges are an essential and highly diverse component of marine benthic communities, ranging from the euryhaline estuarine, to intertidal, to the deep-sea. |
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Giant kelp and seaweed are common, especially in intertidal zones. |
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Isopods and amphipods spend low tide buried in wrack, where variation in temperature and humidity is strongly damped relative to the exposed intertidal surface. |
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For example, benthic diatoms were present on intertidal mudbanks. |
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Fish species such as galjoen, white steenbras and spotted grunter that feed within the intertidal zone cannot survive where the beach has been denuded. |
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Many species live only in the intertidal zone on sandy or rocky shores. |
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Some research has been focused on bycatch and impact on intertidal zone communities. |
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Crassostrea and Saccostrea live mainly in the intertidal zone, while Ostrea is subtidal. |
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First discovered here in the late 1950s, the best stromatolites in Shark Bay are found in the intertidal zone along an inner lagoon called Hamelin Pool. |
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Magallana gigas is an estuarine species, but can also be found in intertidal and subtidal zones. |
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Marine habitats include brackish water, estuaries, bays, the open sea, the intertidal zone, the sea bed, reefs and deep water zones. |
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The zone is characterized by abundant dissolved oxygen, sunlight, nutrients, generally high wave energies and water motion, and, in the intertidal subzone, alternating submergence and exposure. |
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Its 174 species may or may not be descendants of a common ancestor and are found in many habitats from intertidal to hadal deep sea, including estuaries, salt springs, and caves. |
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In Portugal and Spain a local intertidal pedunculate barnacle, Pollicipes pollicipes, is served in gourmet restaurants and occasionally becomes locally depleted. |
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Turbulent water that ebbs and flows over the intertidal rocks is rich in oxygen, carbon dioxide, dissolved nutrients, and organic debris, providing abundantly for their needs. |
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Lethal and sub-lethal effects of phototrophic endoliths attacking the shell of the intertidal mussel Perna perna. |
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The Wild Pacific Trail stretches by a number of marine intertidal areas, through the temperate rainforest and the Amphitrite Point Lighthouse and Coast Guard Station. |
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The intertidal zone and the photic zone in the oceans are relatively familiar habitats. |
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The survey was carried out during low spring tides between 2009 and 2011 on rocky intertidal shores along the Atlantic North African and Iberian coastlines. |
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The small size is probably caused by limitations in food as a consequence of living in the intertidal zone. |
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Waqar Ahmed said that mangroves are woody plants which grow in the tropical coastal areas, in the intertidal zone. |
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The most important interactions may vary according to the type of intertidal community. |
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The approximately fortnightly tidal cycle has large effects on intertidal and marine organisms. |
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The Lesser Snow Goose feeds on marshland plants like sedges, forbs, and bulrushes found in the intertidal marshes, as well as pasture grasses and waste grain from farmers' fields during their migration. |
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Annual gametogenesis of the Chinese anapella clam Coecella chinensis at an upper intertidal sandy beach on the east coast of Jeju, Korea. |
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Sediment often settles in intertidal mudflats which are extremely difficult to colonize. |
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All sites represented intertidal seed oyster beds from which market size oysters were collected by hand. |
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Predator-mediated microhabitat partitioning by two species of visually cryptic, intertidal limpets. |
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Vaejovis littoralis, an intertidal scorpion from Baja California, Mexico, exhibits the highest density, from 2 to more than 12 per square metre along the high-tide mark. |
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For example, when intertidal reefs are cleared experimentally, the assemblage of organisms that colonize the bare space often reflects the types of larvae available in local waters at the time. |
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The species is especially common on sheltered shores from the middle littoral to lower intertidal levels. |
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This is also the case for the licences for crab, prawn, shrimp by trawl, groundfish by hook and line, intertidal clams, tuna and some minor species. |
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This clam lives in sand and mud and is found in intertidal or subtidal zones in bays and estuaries. |
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While the bay is largely made up of intertidal flats, there is a significant area of salt marsh on the western shore. |
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Our study organisms are a common intertidal prey item and its low tide and high tide predators. |
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Along the Atlantic coast of North America, the hydroid Lovenella gracilis is a facultative epibiont on intertidal bivalves in the genus Donax. |
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Belfast Lough is a large, intertidal sea inlet on the east coast of Northern Ireland. |
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Thus, a shellfish fisher who holds a lease over a defined intertidal area has a better defined right than one who has simply a right to an unspecified quantity of shellfish anywhere in competition with others. |
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Canada's first biodiversity corridor is located in the northern gulf of Maine, extending from the intertidal shores of the lower Bay of Fundy across several offshore banks. |
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The living part of coral reefs is located below the intertidal zone. |
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The beach encloses an intertidal lagoon which is an internationally important Ramsar Convention site known for its biodiversity. |
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True limpets in the family Patellidae live on hard surfaces in the intertidal zone. |
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Marine mussels are abundant in the low and mid intertidal zone in temperate seas globally. |
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Other species of marine mussel live in tropical intertidal areas, but not in the same huge numbers as in temperate zones. |
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This is a robust intertidal species with a dark and sometimes banded shell. |
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The common periwinkle is mainly found on rocky shores in the higher and middle intertidal zone. |
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This did not prevent the production of a much awaited guide on oil spill waste treatment, nor a major experimentation programme in the natural environment on bioremediation in the intertidal zone. |
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Commonly harvested in buckets by fishers walking in the intertidal zone on low tide, other methods have been tried. |
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Habitat impact associated with the project will be dredging adjacent to the facility, compaction of substrate in the intertidal zone and installation of additional pilings. |
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An inspection by fishery officers and habitat staff determined that the larger rocks of Bauza Cove's intertidal zone had been removed by an excavator and the ocean bottom levelled in two different areas. |
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The areas available from the hydrographic charts are total area of the intertidal zone, whereas clams are expected to occur in variable densities at different tidal heights. |
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The intertidal zone is also a good place to find plant life in the sea, where mangroves or cordgrass or beach grass might grow. |
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Shore habitats span from the upper intertidal zones to the area where land vegetation takes prominence. |
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It is also known as the intertidal zone because it is the area where tide level affects the conditions of the region. |
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Most of the sediment within a mudflat is within the intertidal zone, and thus the flat is submerged and exposed approximately twice daily. |
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Tidal flats, along with intertidal salt marshes and mangrove forests, are important ecosystems. |
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Barren zones extend from the lowest portion of the intertidal zone to the marsh areas. |
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Barnacles are the most common animals of the intertidal zone. |
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It always includes this intertidal zone and is often used to mean the same as the intertidal zone. |
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From here, it moves to the intertidal region between the high and low water marks, and then out as far as the edge of the continental shelf. |
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The cockle permit scheme, under which holders have to complete a safety course and learn about intertidal fishing, was introduced in December 2003, just eight weeks before the disaster. |
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Sublittoral corals do not have to deal with as much change as intertidal corals. |
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Habitually, at low tide most fishes of the intertidal zone are concentrated in tidepools. |
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It occurs in the intertidal zone from Chesapeake Bay to the West Indies. |
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It is made up of very extensive salt marshes, major intertidal banks of sand and mud, shallow waters and deep channels. |
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Caulacanthus ustulatus, a small, red alga, has been found in rocky intertidal habitats along the Orange County coast where it grows as a low turf. |
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The strip of seashore that is submerged at high tide and exposed at low tide, the intertidal zone, is an important ecological product of ocean tides. |
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The interspecific and intraspecific competition for food has a considerable effect on gastropod density and growth rates in rocky intertidal habitats. |
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Analyses of the intertidal sediments in 1973 showed clearly the mixture of cycloalkane compounds in concentrations as high as 2 milligrams per gram. |
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They are usually formed in warm, supersaturated, shallow, highly agitated marine water intertidal environments, though some are formed in inland lakes. |
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Strong intertidal currents wash the 'seeds' around on the seabed, where they accumulate layers of chemically precipitated calcite from the supersaturated water. |
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Species richness and abundance of clinid fish in intertidal rock pools. |
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The narrow intertidal zone is characterized by a shallow gradient slope between the banks and deep channel where the substratum is a mixture of gravel, rock, and mud. |
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Groynes are shore protection structures, placed at equal intervals along the coastline in order to stop coastal erosion and generally cross the intertidal zone. |
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The mesopsammon of intertidal environments and the many physical, chemical and mineralogical factors which affect their presence are very complex. |
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Intertidal ecologists therefore study the interactions between intertidal organisms and their environment, as well as among the different species. |
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The shores in this area are a mixture of intertidal mud, sand, and salt flats, estuarine waters, intertidal marshes, freshwater ponds, swamps, and forested peatlands. |
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Sea stars consumed significantly more intertidal mussels than fouling mussels, despite the thick shells and larger adductors of the intertidal mussels. |
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The Bailiwick is situated in the English Channel and has a combined land mass in the order of 80 kmA, but additionally has a significant coastline and intertidal zone. |
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The intertidal mud or sand flat habitat is continuous with many other habitats. Landward, it may be bordered by a beach, marsh, bulkhead, or stretch of riprap. |
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Many land animals also make much use of the shore and intertidal habitats. |
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In the northwest corner of the bay, the Castletown River cuts through the intertidal zone and the smaller River Fane flows into the southeast corner. |
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