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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A procedure used in stratified sampling to allocate numbers of sample units to different strata so as to maximize some desirable quantity .
Industry:Natural environment
A state in hermaphroditic systems characterized by the development of male reproductive organs, or maturation of their gametes, before the appearance of the corresponding female product, thus insuring against self-fertilization.
Industry:Natural environment
A wave that approaches shallow water, causing the wave height to exceed the depth of the water, in effect tripping it. The wave changes from a smooth surge in the water to a cresting wave with water tumbling down the front of it; a wave breaking on the shore.
Industry:Natural environment
An instrument for measuring speed of different parts of light spectrum.
Industry:Natural environment
In taxonomy, the abbreviation for genus et species nova, meaning new genus and species.
Industry:Natural environment
Organisms taken in a fishery which are not of the species intended for harvest. For example, mammals or turtles captured in trawl or seine fishing.
Industry:Natural environment
The dominant predator or the top predator that has a major influence on community structure.
Industry:Natural environment
