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7/14/2009 5:02:31 PM
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UCREFRP
UCREFRP Catalog Number
7774
Author
Desert Fishes Council, H., Dean A., ed.).
Title
Proceedings of the Desert Fishes Council Volume XXIV, 1992 Annual Symposium, 18 to 21 November, Mesa, Arizona.
USFW Year
1992.
USFW - Doc Type
November 18-21.
Copyright Material
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PROCEEDINGS OF THE DESERT FISHES COUNCIL 1992 - VOLUME )GUV <br />Sportfish, and Native Wildlife. During 1992, the name of the section that emphasizes native species management within <br />UDWR was changed from the Nongame Section to the Native Wildlife Section. The UDWR currently has five biologists <br />working full time and an additional six biologists working part-time (some as much as 50 %) on native fish issues and <br />problems. Four major areas of emphasis are included in the native fish program during 1992: 1) General native species, <br />2) Colorado River fish, 3) Virgin River fish, and 4) June sucker. <br />Efforts within the general native species component centered on acquisition, accumulation, and synthesis of <br />distribution/abundance information. Emphasis was placed on least chub and Virgin spinedace. Through cooperative <br />agreements least chub population and habitat trend monitoring was initiated. Specific effort was placed on a livestock <br />exclusion experiment. Additional surveys to document Virgin spinedace distribution were conducted in cooperation with <br />Washington County Water Conservation District. Other activities included synthesis of statewide fish survey and museum <br />collection information and establishment of a statewide database for native fish information. <br />Activities within all three components of the program involving federally listed species increased this year. Colorado <br />River fish activities included conducting studies and participating in Recovery Program (Upper basin and San Juan) <br />efforts. Specific studies included: Nursery habitat evaluation in the Green River, Gila monitoring and evaluation in <br />Deso/Gray, Westwater, and Cataract Canyons, Nonnative fish control evaluation, Early life stage investigations in the <br />San Juan River, Squawfish scale analysis, and Evaluation of northern pike impacts in the Green River. Activities <br />associated with Virgin River fish included participation in the recovery team and a study to evaluate the potential to <br />eliminate red shiner in the Upper Virgin River. June sucker recovery activities focused on development of propagation <br />facilities, establishment of refuge populations, and writing a recovery plan. <br />RESUMEN <br />Durante 1992 se han realizado esfuerzos significativos para mejorar el programa de peces nativos de la Division <br />de Recursos de Vida Silvestre de Utah (DRVSU). Muchos de estos esfuerzos se han cubierto debido a la organizaci6n <br />interna del DRVSU permite y encarga enfasis especffico en los peces nativos. Existen tres secciones de manejo: <br />Cinegeticos, Peces Deportivos y Vida Silvestre Nativa. Durante 1992, el,nombre de la secci6n que enfatiza el manejo <br />de las especies nativas dentro del DRVSU fue cambiado de Secci6n de No-Cinegeticos a Seccion de Vida Silvestre <br />Nativa. El DRVSU actualmente tiene cinco bi6logos trabajando de tiempo completo y adicionalmente seis bidlogos <br />trabajando tiempo parcial (algo come, 50 %) en los aspectos de peces nativos y sus problemas. Cuatro areas principales <br />de enfasis se incluyen en el programa de peces nativos durante 1992: 1) Especies nativas generales, 2) peces del Rfo <br />Colorado, 3) peces del Rfo Virgin y 4) matalote Junio. <br />Los esfuerzos dentro del componente general de especies nativas se centraron en la adquisici6n, acumulaci6n y <br />sfntesis de informaci6n de distribuci6n y abundancia. El enfasis fue puesto en el charalito pequefio y el charal de espina <br />de Virgin. A traves de acuerdos cooperativos file iniciado el monitoreo de la poblaei6n y el habitat del charalito pequen"o. <br />Esfuerzos especfficos f ieron puestos en un experimento de exclusion de linaje vivo. Se condujeron reconocimientos <br />adicionales para documentar la distribucion del charal de espina de Virgin en cooperaci6n con el Distrito de Conservaci6n <br />de Agua del Condado de Washington. Otras actividades incluyen sfntesis de reconocimientos estatales de peces e <br />informacidn de colecciones de museos y establecimiento de base de datos estatales para informacidn de peces nativos. <br />Las actividades dentro de los tres componentes del programa incluyen especies listadas federalmente incrementadas <br />este ano. Las actividades sobre los peces del Rfo Colorado incluyen la conducti6n de estudios y la participaci6n esfuerzos <br />en Programas de Recuperaci6n (Cuenca Alta y San Juan). Los estudios especfficos incluyen: Evaluacion del habitat de <br />crianza en el Rfo Verde, Monitoreo y evaluaci6n de Gila en el Deso/Gray, Westwater y Canon Catarata, Evaluacion del <br />control de los peces nonativos Investigaciones de estadios de vida tempranas en el Rfo San Juan, Analisis de escamas <br />del Charal del Colorado y Evaluacion de los impactos del lucio del norte en el Rfo Verde. Las actividades asociadas con <br />los peces del Rio Verde incluyen la participaci6n en el equipo de recuperaci6n y un estudio para evaluar el potencial de <br />eliminaci6n de la sardinita roja en el Alto Rfo Virgin. Las actividades de recuperaci6n del matalote June se enfocaron <br />en el desarrollo de propagaci6n de infraestructura, establecimiento de poblaciones de refugio y la escritura de un plan <br />de recuperaci6n. <br />BOLSTER, B. C. (California Department of Fish and Game, Inland Fisheries Division, Rancho Cordova, CA) <br />1992 agency report for the California Department of Fish and Game <br />KEYWORDS: California; Nevada; Oncorhynchus clarki henshawf; Gila bicolor snyderi; Rhinichthys osculus; <br />Cyprinodon macularius; Cyprinodon; drought; habitat; genetics <br />ABSTRACT <br />Wolf Creek, Mono County, was chemically treated for the second year to eradicate non-native species in <br />preparation for the 1993 introduction of Lahontan cutthroat trout (Oncorhynchus clarki hensham) (CTL). The continuing <br />drought forced biologists to move CTL from the nearly dry By Day Creek, Mono County, and release them into Mill <br />Creek, which was also recently chemically treated. <br />With money provided from drought relief funds, additional habitat was developed for the Owens tui chub (Gila <br />bicolor snyderi) at the Hot Creek headsprings. These springs are critically low due to drought, upslope water <br />15
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