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NADP
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National Aquaculture Development Plan
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Native Species
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A species that occurs naturally in an area (i.e. is not introduced). Compare introduced species, invasive species.
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Natural Selection
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The main mechanism of evolutionary change. In a given population of organisms, there are heritable traits that enable some members to contribute a larger number of offspring than others. If these offspring also have a greater reproductive success, then the genetic composition of the population is altered, thus evolution. See also selection pressure
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NATURES
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Natural Rearing Enhancement System
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NBSGA
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New Brunswick Salmon Growers Association (Canada)
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NEFMC
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New England Fishery Management Council.
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NEFSC
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Northeast Fisheries Science Center
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Nekton
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Pelagic organisms that are free-swimming and so whose movements are independent of the tides, currents and waves. Such animals include fish, whales, squid, crabs and shrimps. The distribution of nekton is limited by temperature and nutrient supply and decreases with decreasing depth. Compare benthic, plankton
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NMFS
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National Marine Fisheries Service (NMFS-pronounced "nymphs" is also referred to as "NOAA Fisheries". NMFS has its headquarters in Silver Spring, Maryland, and has a Regional Office and a Science Center in each of five regions-Northwest, Northeast, Southwest (including Hawaii and U.S. South Pacific Territories), Southeast (including the U.S. Caribbean), and Alaska. The Regional Offices provide management and policy leadership. The Science Centers (such as NWFSC) do research and provide the scientific advice on which policy is based.
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NOAA
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National Oceanic and Atmospheric Administration
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Nonrenewable resource
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A resource that is in limited supply and can"t be replenished by natural processes, at least not for thousands of years or more. Fossil fuels are nonrenewable resources. Compare renewable resource.
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NPAFC
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North Pacific Anadromous Fish Commission
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NPDES
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National Pollution Discharge Elimination System Permit
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NPFMC
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North Pacific Fishery Management Council.
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NPR
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National Performance Review
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NRC
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Natural Resources Consultants
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NSGCP
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National Sea Grant College Program (NOAA)
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NSSP
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National Shellfish Sanitation Program
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Nucleotide
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The basic structural component of nucleic acids such as RNA and DNA
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Null hypothesis
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The assumption that an observed difference is due to chance rather than some other, hypothesized causal factor
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NWFSC
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The Northwest Fisheries Science Center (NWFSC) is one of five regional Science Centers for the National Marine Fisheries Service.
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NWIFC
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Northwest Indian Fisheries Commission
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