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2.4.1. Establish sampling stations and monitor population status and <br />trends. <br />2.4.2. Conduct a Population Viability Analysis to determine <br />appropriate recovery numbers. <br />2.5. Obtain information on chemical contamination of pallid sturgeon <br />and their habitat. <br />2.5.1. Determine concentrations of organic and inorganic contaminants <br />in pallid sturgeon, shovelnose sturgeon, their foods and <br />habitats. <br />2.5.2. Determine effects of problem contaminants on growth, survival, <br />and reproduction of pallid sturgeon. <br />2.5.3. Identify all point and nonpoint sources of problem contaminants <br />along the Missouri and Mississippi Rivers within the pallid <br />sturgeon's range. <br />2.6. - Obtain information on biological threats. <br />2.6.1. Determine causes of hybridization. <br />2.6.2. Determine the extent of parasitism and disease, and the degree <br />of competition and predation by introduced fishes. <br />3 DEVELOP AND IMPLEMENT A PALLID STURGEON CAPTIVE <br />PROPAGATION PROGRAM. <br />3.1. ® Develop policy on a pallid sturgeon propagation and stocking <br />program. <br />3.1.1. Develop a pallid sturgeon propagation plan. <br />3.1.2. Develop a pallid sturgeon stocking plan and plan for <br />disposition of surplus fish. <br />3.1.3. Develop a tagging protocol for stocked fish. <br />3.1.4. Provide financial support to hatcheries for structural <br />modifications, operation, and maintenance needed for a pallid <br />sturgeon propagation program. <br />22 <br />