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<br />------------------- <br /> <br />SAN JUAN RIVER <br />COLORADOPIKEMINNOW POPULATION ESTIMATE <br />· WHAT? <br /> <br />· Schnabel Population Estimate <br />- Primary Estimate <br />- Hand-calculated (following Van Den Avyle 1993) <br />- Confidence Intervals figured using Poisson distribution tables (Ricker <br />1975) <br />- To correct for small sample size <br /> <br />· Petersen Population Estimate <br />- Used to check values obtained via Schnabel estimate <br />- Hand-calculated (following Van Den Avyle 1993) <br />- Used Bailey's modification <br />- To correct for small sample size <br />