- 産業: Government
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A carotenoid pigment found in crustaceans. Astaxanthins may give a green color to the musculature of fishes which feed on crustaceans.
Industry:Natural environment
A long, thin tentacle of a hydrozoan polyp, usually concentrated toward the base.
Industry:Natural environment
A portable submersible fluorometer. Fluorometers that use the PAM technique work by rapidly sending brief pulses of light to a plant or other organism A healthy organism responds to this light very quickly (within microseconds) by re-emitting some of the.
Industry:Natural environment
A species that spawns in the ocean but lives parts of its life in fresh water, e.g., American eel.
Industry:Natural environment
A univalve mollusk (class Gastropoda) of the genus Haliotis. Abalones are harvested commercially for food consumption. The shell is lined with mother-of-pearl and used for commercial (ornamental) purposes.
Industry:Natural environment
Habitat conditions created at or near the more-or-less well-defined boundary between ecosystems (ecotone). Typically there is an increased richness of organisms resulting from the mixing of two communities where they join.
Industry:Natural environment
In taxonomy, a taxon at a lower rank than the taxon of the same coordinate group with which it is compared.
Industry:Natural environment
