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[null,"1.","Record Nr.",null,"UNINA9910695794403321"]
[null,null,"Titolo",null,"Recovery history of greenback cutthroat trout [[electronic resource] ] : population characteristics, hatchery involvement, and bibliography / / Michael K. Young ... [and others]"]
[null,null,"Pubbl/distr/stampa",null,"[Fort Collins, CO] : , : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, , [2002]"]
[null,null,"Edizione",null,"[Version 1.0.]"]
[null,null,"Descrizione fisica",null,"1 volume : digital, HTML file"]
[null,null,"Collana",null,"General technical report RMRS ; ; GTR-88WWW"]
[null,null,"Soggetti",null,"Greenback cutthroat trout - South Platte River Watershed (Colo. and Neb.)"]
[{"$nulls":4},"Greenback cutthroat trout - Arkansas River Watershed"]
[{"$nulls":4},"Wildlife recovery - South Platte River Watershed (Colo. and Neb.)"]
[{"$nulls":4},"Wildlife recovery - Arkansas River Watershed"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Caption title (viewed June 17, 2003)."]
[{"$nulls":4},"\"January 2002.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,null,"Sommario/riassunto","The greenback cutthroat trout (Oncorhynchus clarki stomias) is native to the mountain and foothill waters of the South Platte and Arkansas river basins in Colorado. This taxon declined rapidly beginning near the turn of the century and was listed under the Endangered Species Act in 1973. We assembled all available information from a variety of sources to document recovery efforts from 1957 to 1999. For each greenback cutthroat trout population, we noted (1) the characteristics of recovery waters and dates of population discovery or introduction; (2) fish abundance estimates; (3) analyses of genetic purity; (4) salmonid fauna, removal efforts, and reinvasions; and (5) dates, sources, and numbers of fish used to establish populations. For each hatchery used to assist recovery, we noted (1) sources and numbers of fish delivered to them; (2) sources, sex ratios, and production of fish used to create particular year classes; and (3) dates, numbers, and sizes of hatchery fish shipped to establish wild populations or supplement other hatchery stocks."]