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random variable
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A variable whose values are random but whose statistical distribution is known.
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RCW
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Revised Code of Washington. A compilation of all current Washington State laws; Washington Administrative Code (WAC) is the compilation of regulations written to enforce state laws.
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recovery
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Improvement in the status of a listed species (as threatened or endangered under the U.S. Endangered Species Act of 1973) to the point at which listing is no longer appropriate.
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recruitment
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1) Entry of new fish into a population, whether by reproduction or immigration; 2) Addition of new individuals to the fished component of a stock (because they have acquired the size, age, or location that makes them part of it).
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redd
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A salmon nest, dug out of the gravel in the stream bed by the adult female.
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regression analysis
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The use of regression to make quantitative predictions of one variable from the values of another.
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renewable resource
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A resource that can be replenished through natural processes within a human life span, if it is soundly managed. Compare nonrenewable resource.
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Resource Enhancement and Utilization Technologies Division
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One of six divisions under the Science Director's Office of the Northwest Fisheries Science Center. See also NWFSC.
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restoration
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In the strictest sense, returning the ecosystem to some predisturbed condition; some practitioners call that full restoration. The term is often used more generically to mean partial restoration, enhancement, or rehabilitation of the ecosystem.
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riparian
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Related to, living on, or located on the bank of a river, lake, or tidewater. Part of the landscape that exerts a direct influence on stream channels or lake margins and the water or aquatic ecosystems.
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RSRP
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Recovery Science Review Panel.
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