Status of the Jack Mackerel resource and its management [PDF]
, 1973 The jack mackerel, Trachurus symmetricus, resource off the west coast of North America is known to be large and widely distributed. The spawning biomass is estimated to be 2.1 to 4.8 million tons based upon abundance of jack mackerel eggs collected at ...
Knaggs, Eric H.
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Otaria byronia, South American Sea Lion [PDF]
, 2016 El texto incluye una revisión taxonómica, el rango de distribución, información poblacional, ecológica, genética, amenazas y estado de conservación.Fil: Cardenas Alayza, S.. No especifica;Fil: Crespo, Enrique Alberto.
Cardenas Alayza, S. +2 more
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Maturation and growth of jack mackerel, Trachurus symmetricus
, 1975 Biological knowledge of jack mackerel is not extensive,and as yet no information on maturity or growth ratehas been documented. Analysis of fish caught in theSouthern California Bight indicates a spawning seasonfrom March through October. By the end of their firstyear, most females (70%) are capable of spawning, andthe percentage increases with age ...
Wine, Vickie L., Knaggs, Eric H.
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Primera evaluación de la Atresia en el jurel Trachurus murphyi (Teleostei, Carangidae) en el Pacífico sureste [PDF]
, 2020 El jurel, Trachurus murphyi sustenta una importante pesquería en el Pacífico sureste la que ha declinado considerablemente en el tiempo. T. murphyi tiene un desarrollo ovárico asincrónico con desoves oceánicos (septiembre a enero).
Dra. Gonzalez-Kother, Paola +2 more
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Age and growth of the blue jack mackerel, Trachurus picturatus Bowdich, 1825 (Pisces: Teleostei) off Madeira archipelago. [PDF]
, 2006 Between 1984 and 1986, 630 pairs of sagitta otoliths were collected to determine the age and growth of the blue jack mackerel, Trachurus picturatus from Madeiran waters.
Alves, Adriana +3 more
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Spatial and temporal variation in the diet of the California sea lion (Zalophus californianus) in the Gulf of California, Mexico [PDF]
, 2004 Between June 1995 and May 1996 seven rookeries in the Gulf of California were visited four times in order to collect scat samples for studying spatial and seasonal variability California sea lion prey.
Aurioles-Gamboa, David +1 more
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Power-law versus exponential distributions of animal group sizes [PDF]
, 2003 There has been some confusion concerning the animal group-size: an exponential distribution was deduced by maximizing the entropy; lognormal distributions were practically used; a power-law decay with exponent {3/2} was proposed in physical analogy to ...
Anderson +24 more
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Work plan for analytical support of an integrated ecosystem assessment of the California Current Large Marine Ecosystem, FY11 ‐ FY13 [PDF]
, 2011 NOAA/NCCOS is conducting the following work for the NOAA California Current Integrated Ecosystem Assessment, in support of the NOAA/NMFS Northwest Fisheries Science ...
Menza , Charles
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