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<br />Uu(.L1lt.) <br /> <br />NARRATIVE OUTLINE OF' GREENBACK CU'l"I'HROAT TROUT RECOVERY PLAN <br /> <br /> <br />....... <br /> <br />1. MaiD.tain or enhance all known Type A <br />greenback cutthroat trout populations <br />and their habitats. <br /> <br />" <br /> <br />Type A greenback populations are those that are considered to be <br />genetically pure. Other populations (Type B-C) are believed to have <br />varying degrees of hybridization with non-native trout species. <br />All known Type A populations and their habitats will need to be <br />maintained to ensure the continued health and survival of greenback <br />populations. This will involve regular censusing of populations, <br />restoration and enhancement of habitat, and maintenance of stream <br />barriers. <br /> <br />1.1. Conduct poPulation and habitat monitorina. All streams that <br />contain populations of pure (Type A) greenback trout should be <br />censusad at least once every 3 years. Numbers, age and condition <br />of fish, and condition of the habitat should be evaluated. The <br />presence of any non-native species or habitat degradation should <br />be noted and appropriate management action taken. <br /> <br />1.2. Enhance or restore habitat. When necessary and appropriate. restore <br />habitat quality that is below its potential through physical <br />manipulation of the damaged habitat using sound land and water <br />management practices. <br /> <br />1.3. Maintain stream barriers. Stream barriers are essential to prevent <br />invasions of undesirable fish into the habitat of greenback <br />cutthroat trout. Natural barriers should be inspected periodically <br />for their effectiveness and stability. Although natural barriers <br />are strongly preferred, artificial barriers may be constructed when <br />necessary and should be inspected regularly for needed repairs. <br /> <br />1.4. Prevent the introduction of non-native species. It is extremely <br />important to prohibit the introduction of non-native fish into <br />greenback cutthroat trout habitat. Such introductions foster <br />competition and hybridization. Increased public education as <br />described in Objective 4 will help to meet this Objective. <br /> <br />21 <br />