The intestine as a diagnostic character in identifying certain clupeoids (Engraulididae, Clupeidae, Dussumieriidae) and as a morphometric character for comparing anchoveta (Centengraulis mysticetus) populations [PDF]
ENGLISH: The several species of clupeoid fishes used as baitfish in the Eastern Pacific tuna fishery are, in some cases, sufficiently similar to make identification difficult.
Horder, Wilhelm
core
Attenuation of Coda Waves in the Central Region of the Gulf of California, México
Se analizan las ondas de coda de eventos registrados por la red sísmica de NARS que cuenta con instrumentos instalados a lo largo de ambas márgenes del Golfo de California, México, para estimar atenuación Qc.
Héctor E. Rodríguez-Lozoya +6 more
doaj +1 more source
Some factors affecting the distribution and apparent abundance of yellowfin and skipjack tuna in the Eastern Pacific Ocean [PDF]
ENGLISH: Since 1951, the Inter-American Tropical Tuna Commission has been investigating the biology, ecology and population dynamics of the yellowfin tuna, Thunnus albacares, and the skipjack tuna, Katsuwonus pelamis, in the Eastern Pacific Ocean.
Barrett, Izadore, Broadhead, Gordon C.
core
Se analiza la distribución del ingreso y se estima el grado de equidad durante 1994 y 2002 en tres comunidades colindantes a la reserva de la biosfera alto golfo de California y delta del río Colorado (RBAGC): Puerto Peñasco, el Golfo de Santa Clara, en ...
Carlos Israel VÁZQUEZ LEÓN +3 more
doaj
Frictional damping of the tide in the Gulf of California
Se presenta una estimación del efecto de la fricción del fondo sobre la marea en el Golfo de California, suponiendo que su cuenca es un canal con profundidad y anchura variables. Se de.muestra que el efecto es pequeño. Esto permite incluir la interacción
G. Godin
doaj +1 more source
Marine microbes are known to degrade hydrocarbons; however, microbes inhabiting deep-sea sediments remain largely unexplored. Previous studies into the classical pathways of marine microbial metabolism reveal diverse chemistries; however, metabolic ...
Aldo Moreno-Ulloa +9 more
doaj +1 more source
Gillraker analysis and speciation in the thread herring genus Opisthonema [PDF]
ENGLISH: The thread herrings, genus Opisthonema, family Clupeidae, are marine fishes that occur only in tropical and subtropical waters off both coasts of the American continent.
Barrett, Izadore, Berry, Frederick H.
core
ABSTRACT Geophysical surveys and multiproxy analyses of sediment cores have been used to reconstruct the palaeoenvironmental evolution of the Santa Giusta coastal lagoon (SGL), along the western coast of Sardinia. This area served as a natural harbour mainly during the Punic and Roman Republican periods (6th–2nd century bc).
Giovanni De Falco +8 more
wiley +1 more source
Esta contribución presenta una lista sistemáticaanotada y verificada de la ictiofauna de afinidad anfipacífica, boreal, endémica y anfipeninsular del Golfo de California. El elenco ictiofaunístico está compuesto por 137 especies, agrupadas en dos clases,
JL Castro-Aguirre +2 more
doaj +1 more source
El estado actual de los tiburones y rayas sujectos a explotación comercial en el Golfo de California: una investigación aplicada al mejoramiento de su manejo pesquero y conservación [PDF]
Se realizaron prospecciones estacionales durante 1998–1999 en Baja California, Baja California Sur, Sonora y Sinaloa para determinar la dimensión y las actividades de las pesquerías artesanales de elasmobranquios dentro del Golfo de California.
Bizzarro, Joseph J. +7 more
core

