Results 61 to 70 of about 20,961 (175)
Measures of tuna abundance from purse-seine operations in the Eastern Pacific Ocean, adjusted for fleet-wide evolution of increased fishing power, 1960-1971 [PDF]
, 1975 ENGLISH: The fishing power of the tuna purse-seine fleet of the eastern Pacific Ocean has increased since the early 1960's. Because the entire fleet seems to have adopted equipment and techniques to increase its efficiency in capturing tunas, traditional
Pella, Jerome J. +1 more
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Ciencias MarinasEl conocimiento sobre los aspectos ecológicos de las paralarvas de cefalópodos es esencial para comprender la composición y dinámica de sus poblaciones, así como para identificar temporadas y zonas de desove.
Manuela Davila-Arce +2 more
doaj +1 more source
A review of the Japanese longline fishery for tunas and billfishes in the eastern Pacific Ocean, 1993-1997 [PDF]
, 2003 English: This report reviews the Japanese longline fishery in the eastern Pacific Ocean during the 1993-1997 period, extending the studies for the 1956-1992 period made by other investigators.
Bayliff, William H., Okamoto, Hiroaki
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Acta Biológica ColombianaLa mayor diversidad de gasterópodos en arrecifes coralinos se encuentra en individuos de tallas menores a 10 mm conocidos como microgasterópodos. Sin embargo, se conoce poco sobre la relación entre la diversidad de este grupo y el sustrato en el que ...
Jeimy Andrea Pantoja-Cabarico +2 more
doaj +1 more source
Morphometric comparisons among yellowfin tuna, Neothunnus macropterus, from the Eastern Tropical Pacific Ocean [PDF]
, 1959 ENGLISH: The fishery for yellowfin tuna in the Eastern Tropical Pacific Ocean extends from Southern California to Northern Peru and offshore to a distance of several hundred miles.
Broadhead, Gordon C.
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Revista de Biología Tropical, 2014 Se evaluó el uso de hábitat del aletiblanco Triaenodon obesus, la mantaraya Manta birostris y el tiburón ballena Rhincodon typus en la Isla Gorgona, a partir de 427 inmersiones de buceo y del análisis de 866 fotografías y videos. T.
Paola Andrea Mejía-Falla +7 more
doaj
Ciencia Ergo Sum, 2018 Considerando los atributos acuícolas de los robalos (Centropomidae) y su más alto precio en el mercado nacional, se analiza la aclimatación en estanques de Centropomus nigrescens, la especie de mayor talla entre los robalos americanos, en agua dulce y ...
Sergio Escárcega-Rodríguez
doaj +1 more source
Some observations on bigeye tuna (Thunnus obesus) caught by the surface and longline fisheries for tunas in the Eastern Pacific Ocean [PDF]
, 1993 (PDF contains 58 pages.
Calkins, Thomas P. +2 more
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Geofísica Internacional, 1988 Se analiza la evolución mensual del transporte horizontal de vapor de agua (total, advectivo y eddy) sobre la región de América tropical (40°N a 20°S y I400W a 500W), durante el período comprendido entre el lo. de mayo y el 15 de septiembre de 1979.
R. Hasimoto B., S. Reyes
doaj +1 more source
Length-frequency estimation for yellowfin tuna (Thunnus albacares) caught by commercial fishing gear in the Eastern Pacific Ocean [PDF]
, 1992 ENGLISH: Methods of collecting samples for the purpose of estimating the numbers and weights of fish caught, by length interval, are described. Several models for two-stage sampling are described, and the equations for the estimators and their variances ...
Calkins, Thomas P. +2 more
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