- المجال: Government
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
In taxonomy, a new name which is published to replace an earlier name (and valid only if the latter is preoccupied) and which is expressly proposed as a replacement name; a new name, not to be confused with a new species, or a new genus, etc., which represent new taxa. It is commonly applied to names proposed to replace junior homonyms.
Industry:Natural environment
One of the dermal bony or cartilaginous struts that support the branchiostegal membranes of fishes. Sometimes called branchiostegal rays, but not to be confused with the fin rays.
Industry:Natural environment
The depth in seawater below which carbon loss through respiration by phytoplankton exceeds carbon gain through photosynthesis; no net phytoplankton production occurs.
Industry:Natural environment
The outer covering of a tunicate (Urochordata). The tunic is mostly composed of a protein and carbohydrates.
Industry:Natural environment
The thin horizontal layer of water riding on top of the ocean that is affected by wind.
Industry:Natural environment
A facility containing a series of tanks, screens, filters and other processes by which pollutants are removed from water.
Industry:Natural environment
A lobe at the point of insertion (beginning) of a septum.
Industry:Natural environment
An organism which is unable to synthesize a particular organic compound required for its growth. An auxotrophic alga, for example, is one which requires a few organically derived substances, such as vitamins, along with dissolved inorganic nutrients for photosynthesis; in microbiology, a mutant strain that requires a new nutrient for growth.
Industry:Natural environment
