Results 81 to 90 of about 122,986 (267)

Geographical catch distribution of yellowfin and skipjack tuna in the Eastern Pacific Ocean, 1967-1970, and fleet and total catch statistics, 1962-1970 [PDF]

open access: yes, 1971
ENGLISH: Logbook records of tuna vessels fishing in the eastern Pacific Ocean were used to prepare charts showing the distribution of yellowfin tuna and skipjack catches by i-degree area, by quarter of the year, and by gear, for the years 1967-1970 ...
Calkins, Thomas P., Chatwin, Bruce M.
core  

Migrations of yellowfin and skipjack tuna in the Eastern Pacific Ocean as determined by tagging experiments, 1952-1964 [PDF]

open access: yes, 1970
ENGLISH: Totals of 59,547 tagged yellowfin and 90,412 tagged skipjack were released during 1952-1964 throughout the range of the fishery in the eastern Pacific Ocean during that period.
Bayliff, William H., Fink, Bernard D.
core  

PdBI U/LIRG Survey (PULS): Dense Molecular Gas in Arp 220 and NGC 6240

open access: yes, 2017
Aims. We present new IRAM Plateau de Bure Interferometer observations of Arp 220 in HCN, HCO$^{+}$, HN$^{13}$C J=1-0, C$_{2}$H N=1-0, SiO J = 2-1, HNCO J$_{k,k'}$ = 5$_{0,4}$ - 4$_{0,4}$, CH$_{3}$CN(6-5), CS J=2-1 and 5-4 and $^{13}$CO J=1-0 and 2-1 and ...
Downes, Dennis, Sliwa, Kazimierz
core   +1 more source

Identificación y cuantificación automática de especies a bordo de barcos de pesca: el iObserver [PDF]

open access: gold, 2020
Carlos Vilas   +8 more
openalex   +1 more source

Migrations of yellowfin tuna tagged off the southern coast of Mexico in 1960 and 1969 [PDF]

open access: yes, 1974
ENGLISH: The map method, the Jones method, the variance-covariance method, and the Skellam method were used to study the migrations of tagged yellowfin tuna released off the southern coast of Mexico in 1960 and 1969.
Bayliff, William H.   +1 more
core  

Studies on the Japanese long-line fishery for tuna and marlin in the Eastern Tropical Pacific Ocean during 1963 [PDF]

open access: yes, 1966
ENGLISH: During 1963, the area of operation of the Japanese long-line fishery in the eastern Pacific further expanded, and total fishing effort increased.
Kume, Susumu, Schaefer, Milner B.
core  

A study of changes in fishing effort, abundance, and yield for yellowfin and skipjack tuna in the Eastern Tropical Pacific Ocean [PDF]

open access: yes, 1956
ENGLISH: The rapid growth of the Eastern Pacific fishery for yellowfin and skipjack tuna since the end of World War II has given rise to questions concerning the rational utilization of these resources.
Schaefer, Milner B., Shimada, Bell M.
core  

Texto de la declaración Barco-Pérez [PDF]

open access: diamond, 1989
Colombia Internacional
openalex   +1 more source

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