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<br />002843 <br /> <br />and re..establishment in the San Juan River would be a proactive step toward rebuilding populations <br />ofthis species. Studies also indicated that flannelmouth sucker declined in the lower San Juan <br />River during the 7-year research period, and this decline needs to investigated. <br /> <br />Goal 3 Objectives and Tasks (.) <br /> <br />o bj ective 1: Monitor native fish abundance and evaluate reasons for population changes if they occur. <br /> <br />+ Determine if the flannelmouth sucker decline observed from 1991 to 1997 continues, and <br />determine reasons for the decline. <br /> <br />Objective 2: Develop a roundtail chub population in the San Juan River. <br /> <br />+ Stock roundtail chub in the San Juan River from the Animas River to the PNM Werr with <br />the intent of re..establishing a self-sustaining population. <br /> <br />+ Develop a Stocking Plan including stocked fish sources (within the basin), rearing fucilities, <br />and timing and size of stocking. <br />+ Develop a more-intensive Augmentation Plan, if needed. <br /> <br />+ Use radiotelemetry to follow fish once they reach adulthood, and determine habitat use and <br />spawning areas. <br /> <br />Objective 3: Control nonnative fish in the San Juan River, <br /> <br />+ Continue with nonnative fish mechanical removal during monitoring and research activities. <br /> <br />+ Evaluate other potential nonnative fish control measures (e,g" weirs, selective passage <br />structures, reduced levels of Lake Powell, flow manipulation), <br /> <br />+ Develop measumble objectives and methods for assessing and maintaining effectiveness <br />of removal efforts. <br /> <br />+ Develop nonnative fish stocking and baitfish policies in conjWlction with the affected states, <br /> <br />September 2000 <br /> <br />5-6 <br /> <br />Program Evaluation Report <br />