- 行业: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A species that spends its adult life in the ocean but swims upriver to freshwater spawning grounds in order to reproduce, e.g., Pacific salmon.
Industry:Natural environment
A useful empirical methodology when data are overdispersed, that is, when the variance of the distribution is considerably larger than the mean.
Industry:Natural environment
One of the paired, flexible, and jointed sensory appendages on the head of a crustacean, an insect, or a myriapod (e.g., a centipede).
Industry:Natural environment
Short pieces of DNA between genes which do not direct protein synthesis or perform a regulatory function.
Industry:Natural environment
The part of a reef crest that is seaward of the palmata zone. It consists primarily of elkhorn coral (Acropora palmata) at a depth of about 3-6 m in Caribbean reefs.
Industry:Natural environment
