- المجال: Government
- Number of terms: 30456
- Number of blossaries: 0
- Company Profile:
NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
The chemical interactions among the atmosphere, biosphere, hydrosphere, and lithosphere.
Industry:Natural environment
The maximum population size that can be regularly sustained by an environment; the point where the population size levels off in the logistic growth model.
Industry:Natural environment
The shell or shells of certain organisms, such as clams, oysters, and snails.
Industry:Natural environment
Water between the grains of a sediment; also called interstitial water.
Industry:Natural environment
A biogenous sediment that is made of the calcium carbonate shells and skeletons of marine organisms.
Industry:Natural environment
A discreet, in-between molt stage, during the metamorphosis of an arthropod from larva to adult.
Industry:Natural environment
A lens-shaped fatty deposit lying in the facial depression of many toothed whales, such as the bottle-nosed dolphin. It appears as the bulging forehead just in front of the blowhole. It contains fatty deposits, muscles, and nasal air sacs and passages. The melon is used in focusing a whale's sounds, functioning as an acoustical lens for echolocation.The fatty deposits change shape as the whale is producing sounds.
Industry:Natural environment
A photosynthetic pigment which absorbs light and transfers energy to chlorophylls during photosynthesis.
Industry:Natural environment
A small, low coastal island or emergent reef of sand or coral; flat mound of sand and admixed coral fragments built upon a reef flat or just above high tide level. A synonym of key, as in the Florida Keys.
Industry:Natural environment
A type of asexual reproduction where daughter corallites grow from the inside wall of parent corallites, usually by division of the parent corallite.
Industry:Natural environment
