Documentos de José Luis Varela

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Mostrando 9 resultados de: 9

Feeding ecology of Atlantic bluefin tuna (Thunnus thynnus) in the Gulf of Saint Lawrence, Canada

Article

Abstract: Feeding ecology of Atlantic bluefin tuna (ABFT, Thunnus thynnus), from the Gulf of Saint Lawrence, C

Palabras claves:

Gulf of Saint Lawrence, Scombridae, stomach content, Trophic biology, δ N and δ C 15 13

Autores:

José Luis Varela, Spares A.D., Stokesbury M.J.W.

Fuentes:

scopus

Feeding habits of young bluefin tuna (Thunnus thynnus) in the Bay of Biscay inferred from stomach-content and stable-isotope analyses

Article

Abstract: The diet of young Atlantic bluefin tuna (Thunnus thynnus) in the Bay of Biscay foraging ground was a

Palabras claves:

Atlantic bluefin tuna, Bay of Biscay, diet, isotope mixing model, Stable isotope, stomach content

Autores:

José Luis Varela, Medina A., Rodríguez-Marín E., Ruiz M.

Fuentes:

scopus

Feeding of Atlantic bluefin tuna Thunnus thynnus around the Canary Islands assessed from stomach content and stable isotope analyses

Article

Abstract: The Canary archipelago, which is part of the Atlantic biogeographical region of Macaronesia, provide

Palabras claves:

Gut contents, Kernel utilization density, KUD, Plastic debris, Scombridae, SIBER, Stable isotope Bayesian ellipse in R, Stable isotopes, Trophic biology

Autores:

Abascal F.J., Déniz S., José Luis Varela, Medina A.

Fuentes:

scopus

Estimating diets of pre-spawning Atlantic bluefin tuna from stomach content and stable isotope analyses

Article

Abstract: Stomach content analysis (SCA) and stable isotope analysis (SIA) coupled with isotopic mixing model

Palabras claves:

Bluefin tuna, diet, Mixing models, Stable isotopes, Stomach contents, Thunnus thynnus

Autores:

José Luis Varela, Medina A., Rodríguez-Marín E.

Fuentes:

scopus

Inter-regional variation in feeding patterns of skipjack tuna (Katsuwonus pelamis) inferred from stomach content, stable isotope and fatty acid analyses

Article

Abstract: Foraging habits of skipjack tuna, SKJ (Katsuwonus pelamis), were investigated in three Spanish marin

Palabras claves:

FA profiles, Gut analysis, Scombridae, Trophic biology, δ N and δ C 15 13

Autores:

Cañavate P., José Luis Varela, Medina A., Mourente G.

Fuentes:

scopus

Metabolic and osmoregulatory changes and cell proliferation in gilthead sea bream (Sparus aurata) exposed to cadmium

Article

Abstract: The impact of cadmium on metabolism and osmoregulation was assessed in gilthead sea bream (Sparus au

Palabras claves:

Cadmium, metabolism, Osmoregulation, Salinity, Sparus aurata

Autores:

Fontaínhas-Fernandes A., Garcia-Santos S., José Luis Varela, Mancera J.M., Ruiz-Jarabo I., Vargas-Chacoff L., Wilson J.

Fuentes:

scopus

Seagrass patch complexity affects macroinfaunal community structure in intertidal areas: An in situ experiment using seagrass mimics

Article

Abstract: Seagrasses, as key ecosystem engineers in coastal ecosystems, contribute to enhancing diversity in c

Palabras claves:

DIVERSITY, Ecosystem engineers, Edge effect, facilitation, food availability, hydrodynamics, Mimics, Seagrass, Stable isotopes

Autores:

Brun F.G., Cobo-Díaz J.F., González-Ortiz V., José Luis Varela, Pérez-Lloréns J.L., Vergara J.J.

Fuentes:

scopus

Running on empty? Freshwater feeding by spawning anadromous alewife Alosa pseudoharengus

Article

Abstract: Anadromous alewife Alosa pseudoharengus (n = 202; mean ± s.d. fork length = 231 ± 14 mm) were captur

Palabras claves:

alosines, anadromy, calanoid copepods, Condition factor, freshwater feeding, gonadosomatic indices

Autores:

José Luis Varela, McLellan N.R., Spares A.D., Stewart S.I.D., Stokesbury M.J.W.

Fuentes:

scopus

Stomach content and stable isotope analyses reveal resource partitioning between juvenile bluefin tuna and Atlantic bonito in Alboran (SW Mediterranean)

Article

Abstract: The Alboran Sea holds one of the highest biological productivity rates in the Mediterranean, and thu

Palabras claves:

AA-CSIA, BSIA, Sarda sarda, SCA, Thunnus thynnus, Trophic biology

Autores:

Baro I., José Luis Varela, Laiz-Carrión R., Macías D., Medina A., Sorell J.M., Uriarte A.

Fuentes:

scopus

Mostrando 9 resultados de: 9

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Palabras Claves

Feeding ecology of Atlantic bluefin tuna (Thunnus thynnus) in the Gulf of Saint Lawrence, Canada

Feeding habits of young bluefin tuna (Thunnus thynnus) in the Bay of Biscay inferred from stomach-content and stable-isotope analyses

Feeding of Atlantic bluefin tuna Thunnus thynnus around the Canary Islands assessed from stomach content and stable isotope analyses

Estimating diets of pre-spawning Atlantic bluefin tuna from stomach content and stable isotope analyses

Inter-regional variation in feeding patterns of skipjack tuna (Katsuwonus pelamis) inferred from stomach content, stable isotope and fatty acid analyses

Metabolic and osmoregulatory changes and cell proliferation in gilthead sea bream (Sparus aurata) exposed to cadmium

Seagrass patch complexity affects macroinfaunal community structure in intertidal areas: An in situ experiment using seagrass mimics

Running on empty? Freshwater feeding by spawning anadromous alewife Alosa pseudoharengus

Stomach content and stable isotope analyses reveal resource partitioning between juvenile bluefin tuna and Atlantic bonito in Alboran (SW Mediterranean)