Mostrando 10 resultados de: 12
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Behavior, movements, and habitat use of adult green sturgeon, Acipenser medirostris, in the upper Sacramento River
ArticleAbstract: We conducted the first continuous shipboard tracking of southern Distinct Population Segment green sPalabras claves:Acipenser medirostris, Acoustic telemetry, First passage times, Habitat utilization, Sacramento River, site fidelityAutores:Alex R. Hearn, Battleson R.D., Chapman E.D., Peter Klimley A., Peterson M.L., Singer G.P., Thomas M.J.Fuentes:googlescopusDiel movements of out-migrating Chinook salmon (Oncorhynchus tshawytscha) and steelhead trout (Oncorhynchus mykiss) smolts in the Sacramento/San Joaquin watershed
ArticleAbstract: We used ultrasonic telemetry to describe the movement patterns of late-fall run Chinook salmon (OncoPalabras claves:Chinook salmon, Diel, MIGRATION, Sacramento River, Smolt, Steelhead troutAutores:Alex R. Hearn, Ammann A.J., Chapman E.D., Lindley S.T., MacFarlane R.B., Michel C.J., Peter Klimley A., Peterson M.L., Sandstrom P.T., Singer G.P., Thomas M.J.Fuentes:googlescopusCorrection to: Studies of the movement ecology of sharks justify the existence and expansion of marine protected areas in the Eastern Pacific Ocean (Environmental Biology of Fishes, (2022), 105, 12, (2133-2153), 10.1007/s10641-021-01204-6)
OtherAbstract: The original version of this article contained errors related to authorship and both the Author ContPalabras claves:Autores:Alex R. Hearn, Arauz R., César Peñaherrera-Palma, Chávez E.J., Chinacalle N., Espinoza E.R., Fischer C., Green J.R., Hoyos-Padilla M.E., Ketchum J.T., Ladino F., Lion S.B., Nalesso E., Peter Klimley A., Shillinger G., Soler G.A., Steiner T.Fuentes:scopusGreen sturgeon habitat suitability varies in response to drought related flow regimes
ArticleAbstract: A series of habitat suitability models were created based upon 2-dimensional tracking of Green SturgPalabras claves:drought, Green sturgeon, habitat suitability, hydrology, telemetryAutores:Alex R. Hearn, Chapman E.D., McDonald R., Peter Klimley A., Thomas M.J.Fuentes:googlescopusDiscovery of a putative scalloped hammerhead shark Sphyrna lewini (Carcharhiniformes: Sphyrnidae) nursery site at the Galapagos Islands, Eastern Tropical Pacific
ArticleAbstract: Sphyrna lewini is a viviparous shark that pups in shallow coastal waters. Given dramatic declines inPalabras claves:mangroves, marine protected area, Nursery area, oceanic island, Scalloped hammerheadAutores:Alex R. Hearn, Ángela Palomino, Daniel Armijos, Diana Pazmiño, Florencia Córdova, Jorgensen S.J., Lauren Goodman, Viviana Páez, Yasuní Chiriboga-Paredes, Yépez M.Fuentes:googlescopusMovements of out-migrating late-fall run Chinook salmon (Oncorhynchus tshawytscha) smolts through the San Francisco Bay Estuary
ArticleAbstract: One thousand late-fall run Chinook salmon (Oncorhynchus tshawytscha) hatchery reared smolts were fitPalabras claves:Acoustic tags, Chinook salmon, MIGRATION, Sacramento River, San Francisco Bay estuary, telemetry, Tidal flowsAutores:Alex R. Hearn, Brostoff W.N., Chapman E.D., LaCivita P.E., Peter Klimley A., Singer G.P.Fuentes:googlescopusMovements of steelhead (Oncorhynchus mykiss) smolts migrating through the San Francisco Bay Estuary
ArticleAbstract: We used acoustic telemetry to monitor the out-migration of 1,000 steelhead smolts (Oncorhynchus mykiPalabras claves:Acoustic telemetry, MIGRATION, Sacramento River, San Francisco Bay estuary, Steelhead, TideAutores:Alex R. Hearn, Brostoff W.N., Chapman E.D., LaCivita P.E., Peter Klimley A., Singer G.P.Fuentes:googlescopusInterannual variation of reach specific migratory success for Sacramento River hatchery yearling late-fall run Chinook salmon (Oncorhynchus tshawytscha) and steelhead trout (Oncorhynchus mykiss)
ArticleAbstract: The release of hatchery reared salmonid smolts is a common management tool aimed at enhancing depletPalabras claves:Chinook salmon, Migratory success, Sacramento River, San Francisco Estuary, Steelhead trout, telemetryAutores:Alex R. Hearn, Bremner A., Brostoff W.N., Chapman E.D., LaCivita P.E., Peter Klimley A., Peterson M.L., Singer G.P.Fuentes:googlescopusTrophic preferences of three pelagic fish inhabiting the Galapagos Marine Reserve: ecological inferences using multiple analyses
ArticleAbstract: There is a great need to understand how resource interactions alter the functioning of ecosystems, wPalabras claves:Galápagos marine reserve, Interspecific differences, Isotopic signatures, Prey-Specific Index, trophic nicheAutores:Alex R. Hearn, Baque-Menoscal J., Diego Páez-Rosas, Fischer C., Galvan-Magana F., Tripp-Valdez A.Fuentes:googlescopusResidency of the scalloped hammerhead shark (Sphyrna lewini) at Malpelo Island and evidence of migration to other islands in the Eastern Tropical Pacific
ArticleAbstract: Sixty nine hammerhead sharks, Sphyrna lewini, were tagged at Malpelo Island (Colombia) with ultrasonPalabras claves:Connectivity, Marine protected areas, telemetryAutores:Alex R. Hearn, Arauz R., Ketchum J.T., Lion S.B., Peter Klimley A., Soler G.A.Fuentes:googlescopus