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Coral reefs
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Are the largest structures created by any group of animals in the world (humans included). they are found in a variety of forms as follow: • apron: a sloping reef, extending outward and downward from the shore. • atoll: a more or less circular reef extending all the way around a lagoon. formerly the barrier reef surrounding a now sunken island. • bank: is essentially a large patch reef and may be linear or semi-circular in outline. • barrier: a reef separated from a mainland or an island by deep water. it is formed when the land sinks or the sea rises, causing the polyps to build upwards. the great barrier reef is the largest natural feature on earth stretching more than 2,300 kms along the northeast coast of australia. • fringing: a reef that is directly attached to the shore, or separated only by a shallow, narrow channel or lagoon. conveyance 82 • patch: an isolated, often circular reef, usually within a lagoon or embayment. • ribbon: a long, narrow, somewhat winding reef, usually associated with a lagoon. • table: a small, isolated organic reef which has a flat top and does not enclose a lagoon. coral reefs have existed on earth for over 200 million years, but a combination of temperature change, pollution, overuse by divers, and harvesting for jewelry has already led to the destruction of many; leading scientists predict that over 50 percent may be destroyed by the year 2030.
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Coral, английский
- A name applied to the hard calcareous support or skeleton of many species of marine zoophytes. the coral-producing animals abound chiefly in tropical seas, sometimes forming, by the aggregated growth of countless generations, reefs, barriers, and islands of vast extent. the “red coral” (corallium rubrum) of the mediterranean is highly prized for ornamental purposes.
- A material made by tiny carnivorous animals called polyps that live in immense colonies. the polyp is related to the anemone, and consists of a stomach and a mouth surrounded by tentacles. these tentacles resemble feet (“polyp” is a greek word meaning many feet). the tentacles are covered with tiny stinging cells and, when a small creature brushes against them, it is killed and brought into the stomach to be digested. each polyp also extracts calcium from the water to build a protective limestone case. after it dies, the case remains and forms the foundation for another polyp to build on. colonies form different shapes according to their environment—smooth and rounded where wave action is strong, and branched in calmer, deeper water. when these limestone formations aggregate, they are called a coral reef. corals grow in clear, fairly shallow water, and are highly sensitive to environmental change. they cannot grow in polluted water, or in water carrying soil from the land, or if the salinity of the water drops. they will be swamped by algae if there are too many nutrients in the water, and will also die if the water temperature changes by more than a degree or two beyond their preferred 18° to 33° c range.
- Игрушка из полированного коралла (для грудных детей, у которых прорезываются зубы)
Coral hues, английский
One of the background colors on the screen saver settings dialog box that consists of a range of coral colors. corba (n)
Coral island, английский
A) a relict coral reef that stands above sea level and surrounded by water (e.g. florida keys). carbonate sands rich in coral and shell fragments generally mantle the underlying flat coral platform. b) an oceanic island formed from coral accumulations lying atop or fringing volcanic peaks or platforms. sw & gg
Coral limestone, английский
Coral mud and sand, английский
Coral ore, английский
Coral rag, английский
Coral reef, английский
Coral sand, английский
Coral sea, английский
This may 8, 1942, battle was the first fought entirely by naval aviation during which the opposing warships never sighted each other. although losses were even (one carrier sunk and another seriously damaged on each side) it was a tactical victory for japan, but a strategic one for the united states. a japanese attack on port moresby was thwarted and their invasion forces turned back. on the other hand, two additional modern usn carriers at next month’s battle of midway might have contributed to a more decisive victory.
Coral zone, английский
Coralan, английский
A small open boat for the mediterranean coral fishery.
Coralgal, английский
Coralliferous, английский
Coralline, английский
Corallite, английский
Coralloid, английский
Coralloidal, английский
Corallum, английский
Corallum, i, n, латинский
Surrounding, английский
Essentially, английский
- По существу; главным образом см. substantially
- No существу; главным образом
Stretching, английский
Растяжение; растягивание, вытягивание; натяжение; преднапря- жение
Conveyance, английский
- Передача правового титула; правопередача
- Перевозка
- Also transportation, carriage
- [1] a vehicle or vessel. [2] a means or
- Перемещение;транспортирование
- Передача прав собственности
- Written instrument, such as a deed or lease, that evidences transfer of some ownership interest in real property from one person to another.
- Used to describe the legal transfer of property from one owner to another via a deed or bill of sale.
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Corbita, английский
A roman merchantman with a stout wooden hull secured by mortise and tenon. it carried a large square-sail on the mainmast, with a pair of small triangular sails above it on either side of the mast. one or two helmsmen handled each of two steering oars. a long forward-sloping mast, carrying an artemon, was forerunner of the long bowsprit of a 19th century clipper. the after castle was frequently decorated with a large goose or swan’s head.
Copernicus, английский
In 1990, the usn recognized we had crossed the threshold into the information age and were facing a revolution in military affairs that moved information and information dominance to center stage, holding that the first to implement offensive and defensive information tactics into the warfighting arsenal would gain a significant advantage over less-integrated opponents. copernicus is the navy’s code-name for an initiative intended: to make command, control, communications, computers and intelligence (c4i) systems responsive to the warfighter; to field these systems quickly; to capitalize on advances in technology; and to shape doctrine to reflect these changes. copper-bottomed: [1] a wooden ship whose bottom has been covered with a thin sheet of copper to inhibit the formation of barnacles and seaweed or infestation by the teredo worm. [2] sailor slang for safe and secure. [3] financial term for solid and reliable.
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