animals d'abyssal

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• abyssal zone — n. the ecological zone along the deep ocean floor between the bathyal and hadal zones * * * ▪ geology       portion of the ocean deeper than about 2,000 m (6,600 feet) and shallower than about 6,000 m (20,000 feet). The zone is defined mainly by… …   Universalium

• Abyssal — A*byss al, a. [Cf. {Abysmal}.] Belonging to, or resembling, an abyss; unfathomable. [1913 Webster] {Abyssal zone} (Phys. Geog.), one of the belts or zones into which Sir E. Forbes divides the bottom of the sea in describing its plants, animals,… …   The Collaborative International Dictionary of English

• Abyssal zone — Abyssal A*byss al, a. [Cf. {Abysmal}.] Belonging to, or resembling, an abyss; unfathomable. [1913 Webster] {Abyssal zone} (Phys. Geog.), one of the belts or zones into which Sir E. Forbes divides the bottom of the sea in describing its plants,… …   The Collaborative International Dictionary of English

• Abyssal plain — Abyssal plains are flat or very gently sloping areas of the deep ocean basin floor. They are among the Earth s flattest and smoothest regions and the least explored. Abyssal plains cover approximately 40% of the ocean floor and reach depths… …   Wikipedia

• abyssal zone — noun the deep sea (2000 meters or more) where there is no light • Hypernyms: ↑ocean floor, ↑sea floor, ↑ocean bottom, ↑seabed, ↑sea bottom, ↑Davy Jones s locker, ↑Davy Jones * * * noun …   Useful english dictionary

• Census of Marine Life — Abbreviation CoML Motto Making Ocean Life Count Formation 2000 …   Wikipedia

• List of Cumacea literature — Extensive literature list on Cumaceans. Contents: Top · 0–9 · A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …   Wikipedia

• Pelagic zone — Aquatic layers Pelagic    Photic       Epipelagic …   Wikipedia

• Deep sea communities — giant tubeworm Deep sea communities currently remain largely unexplored, due the technological and logististical challenges and expense involved in visiting these remote biomes. Because of the unique challenges (particularly the high barometric… …   Wikipedia

• Megafauna — This article is about large land animals. For naked eye visible bottom dwelling animals, see Macrobenthos. The African bush elephant, Earth s largest living land animal In terrestrial zoology, megafauna (Ancient Greek megas large + New Latin… …   Wikipedia

• bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… …   Universalium