Results 81 to 90 of about 20,961 (175)

Estimation of the abundance of yellowfin tuna, Thunnus albacares, by age groups and regions within the Eastern Pacific Ocean [PDF]

open access: yes, 1991
ENGLISH: Monthly estimates of the abundance of yellowfin tuna by age groups and regions within the eastern Pacific Ocean during 1970-1988 are made, using purse-seine catch rates, length-frequency samples, and results from cohort analysis.
Deriso, Richard B., Punsly, Richard G.
core  

Shaped by Their Environment: Variation in Blue Whale Morphology across Three Productive Coastal Ecosystems. [PDF]

open access: yesIntegr Org Biol, 2023
Barlow DR   +10 more
europepmc   +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  

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
core  

Primer informe del género Gambierdiscus (Dinophyceae) y otros dinoflagelados bentónicos en el Parque Nacional Isla del Coco, Costa Rica, Pacífico Tropical Oriental

open access: yesRevista de Biología Tropical, 2012
El Pacífico Tropical Oriental se ha indicado como una región de los océanos libre de ciguatera, una intoxicación que causa serios trastornos gastrointestinales, neurológicos y cardiovasculares, en casos extremos, la muerte.
Maribelle Vargas-Montero   +2 more
doaj  

Caracterización nutricional del pez nativo Eleotris picta

open access: yesEcosistemas y Recursos Agropecuarios
La guabina manchada (Eleotris picta), pez nativo del Pacífico oriental tropical, muestra un perfil nutricional prometedor para su aprovechamiento en acuicultura.
Aldo Emmanuel Belmonte-Romo   +5 more
doaj   +1 more source

The Japanese longline fishery for tunas and billfishes in the Eastern Pacific Ocean east of 130°W, 1964-1966 [PDF]

open access: yes, 1969
ENGLISH: Catch and effort statistics from the Japanese longline fishery operating in the eastern Pacific Ocean east of 130°W, from 1964 through 1966, were examined to study the geographic distribution, trends in apparent abundance, sexual maturity, and ...
Joseph, James, Kume, Susumu
core  

Estimates of the rates of mortality of yellowfin tuna in the Eastern Pacific Ocean derived from tagging experiments [PDF]

open access: yes, 1971
ENGLISH: Tag release and return data for the Baja California and Gulf of Guayaquil areas were selected for this study because substantial numbers of returns resulted from these releases and because the effects of emigration are small in these areas.
Bayliff, William H.
core  

One hundred years of climate change in Mexico. [PDF]

open access: yesPLoS One, 2020
Cuervo-Robayo AP   +5 more
europepmc   +1 more source

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