Results 61 to 70 of about 20,885 (175)

Uso de hábitat de Triaenodon obesus (Carcharhiniformes: Carcharhinidae), Rhincodon typus (Orectolobiformes: Rhincodontidae) y Manta birostris (Myliobatiformes: Myliobatidae) en el Parque Nacional Natural Gorgona, Pacífico colombiano

open access: yesRevista 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  

Transporte atmosférico de vapor de agua sobre la región de América Tropical de mayo a septiembre de 1979

open access: yesGeofísica 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

General review of the Japanese tuna long-line fishery in the Eastern Tropical Pacific Ocean 1956-1962 [PDF]

open access: yes, 1965
ENGLISH: This paper constitutes a study of the fishery by Japanese long-line vessels in the area to the eastward of longitude 130°W, which was initiated at the western margin of this region in late 1956 and early 1957, and which has expanded fairly ...
Schaefer, Milner B., Suda, Akira
core  

Verificación del pronóstico Estacional de la actividad ciclónica en el Atlántico Norte para el año 2016

open access: yesRevista Cubana de Meteorología, 2021
Se presenta la verificación del pronóstico estacional de la actividad ciclónica en el océano Atlántico para el año 2016, elaborado sobre la base de un método estadístico que considera las condiciones oceánicas y atmosféricas fundamentales que regulan la ...
Maritza Ballester-Pérez   +3 more
doaj  

Morphometric comparisons among yellowfin tuna, Neothunnus macropterus, from the Eastern Tropical Pacific Ocean [PDF]

open access: yes, 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.
core  

Recent changes in the efficiency of vessels fishing for yellowfin tuna in the eastern Pacific Ocean [PDF]

open access: yes, 1962
ENGLISH: Since the inception of the Inter-American Tropical Tuna Commission in 1950, one of the primary tasks of its scientific staff has been the collection and analysis of the statistics of total catch, effort expended in obtaining this catch, and the ...
Broadhead, Gordon C.
core  

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]

open access: yes, 1958
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
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Historical biogeography of the squids from the family Loliginidae (Teuthoidea: Myopsida) [PDF]

open access: yes, 2017
Indexación: Scopus.According to the vicariant hypothesis proposed by Brakoniecki (1986) the closure of the Sea of Tethys and the opening of the Atlantic Ocean would play an important role in the history of squids of the family Loliginidae, which is ...
Hernández, C.E.   +3 more
core   +1 more source

Ictiofauna de la Bahía de Navidad, Jalisco, México

open access: yesRevista de Biología Tropical, 2001
Se presenta el elenco sistemático y la abundancia relativa de las especies ícticas de la Bahía de Navidad, Jalisco, México, área del Pacífico Oriental Tropical con gran diversidad íctica, poco conocida hasta ahora.
Bernabé Aguilar-Palomino   +3 more
doaj  

Length-frequency estimation for yellowfin tuna (Thunnus albacares) caught by commercial fishing gear in the Eastern Pacific Ocean [PDF]

open access: yes, 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
core  

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