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LISTA DE TRABAJOS. SIMPOSIO XIX
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<br />1.Public views on the conservation and protection of desert fishes,
<br />especially endangered species - a group discussion. Stephen R.
<br />K.ellert, Yale School of Forestry and Environmental Studies, New
<br />Haven, Connecticut.
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<br />2.Seasonal and diel patterns of feeding in loach minnows (Tiaroaa
<br />cobitis Girard). Francisco Abarca, Arizona State University,
<br />z Tempe.
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<br />3.Notas sobre desarrollo lare,al del charalito Yaqui, Gila purpurea
<br />Q (Girard), en condiciones de laboratorio. Alejandro Varela, Centro
<br />Ecolagico de Sonora, Hermosillo.
<br />4-Geographic variation in morphology of Sonoran Poeciliopsis o.
<br />° occidentalis. M.E. Douglas, Arizona State University, Tempe; and
<br />R.C. Vrijenhoek, Rutgers University, Piscataway, N.J.
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<br />"' 5.S*_atus of the endangered (=') Gila topminnow (Poeci1iopsis o.
<br />occidentalis) in North America. Lee H. Simons, Arizona Game and
<br />Fish Department, Phoenix.
<br />6.Interactions between Poeciliopsis occidentalis sonoriensis and
<br />Gambusia affinis at San Bernardino National Wildlife Refuge.
<br />David Galat, Arizona State University, Tempe; and Ben ' Robertson,
<br />U.S. Fish and Wildlife Service, San Bernardino National Wildlife
<br />Refuge.
<br />7.Informe,preliminar sobre estatus de la ictiofauna del Rio Aros,
<br />subcuenca del Rfo Yaqui, Sonora. Jose Rafael C:ampoy, Lourdes
<br />?-, Juarez Romero, y Alejandro Varela, Centro Ecolagico de Sonora,
<br />Q Hermosillo; y Dean Hendrickson, Arizona Departamento de Caza y
<br />CD Pesca, Phoenix.
<br />8.R.eporte preliminar sobre los peces de la cuenca de los rios
<br />Sonoyta Bajo Colorado, con observacinnes sobre las '
<br />z y y , pablacione_
<br />0 del pupa del desierto (Cvprinodon macularius) en Sonora, Mexico.
<br />?• Alejandro Varela, Lourdes Juarez Romero, y -Jose Rafael Campoy,
<br />1 Centro Ecolagico de Sonora, Hermosillo; y Dean Hendrickson,
<br />Arizona Departamento de Caza y Pesca, Phoenix.
<br />w 9.Status of endangered fishes at Buenos Aires National Wildlife
<br />w Refuge and Arizona State University Research Park, Arizona. Paul
<br />Marsh, Arizona State University, Tempe.
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<br />0 10.Trophic ecology of San Pedro Martir trout (Parasalmo gairdneri
<br />nelsoni) relative to winter-spring conditions. Patricia Cora
<br />Serrano y Gorgonio Ruiz Campos, Escuela Superior de Ciencias,
<br />Universidad Autonoma de Baja California, Ensenada.
<br />1.Aspects of age and growth of San Pedro Martir trout (Parasalmo
<br />4airdne3i nelsoni) populations from Baja California, Mexico.
<br />Javier Gomez Ramirez y Gorgonio Ruiz Campos, Facultad de Ciencias
<br />Marinas, Universidad Autonoma de Baja California, Ensenada.
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