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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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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Comparison of biochemical and histological methods for the evaluation of the in situ nutritional condition of marine fish larvae [PDF]
, 1989 To estimate the importance of starvation induced mortality for recruitment of marine fish larvae three distinct methods were applied to determine the nutritional condition of fish larvae in situ.
Clemmesen, Catriona +2 more
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Status of Pacific Mackerel spawning population, 1976 [PDF]
, 1976 In order to initiate a fishery for the Pacific mackerel, Scomber japonicus, it is required that the spawning biomass be determined to have reached 10,000 short tons.
Klingbeil, Richard A.
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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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The Peruvian upwelling ecosystem: dynamics and interactions [PDF]
Upwelling, Ecosystems, Fishery biology, Fishery oceanography, Conferences, Peru,
Mendo, J. +3 more
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A report of biological observations at Pacific Beach artificial reef, Oceanside artificial reef, and Santa Monica Bay artificial reef [PDF]
, 1991 (Document pdf contains 16 ...
Grant, John J.
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Genetic study of populations of two species of genus <i>Trachurus: T. lathami and T. symmetricus</i>
Journal of Renewable Natural ResourcesWe conducted a population genetics study of two species of the genus Trachurus: T. symmetricus and T. lathami by analyzing the genetic structure of each species. This was performed by enzymes and mitochondrial DNA electrophoresis in starch, polyacrylamide and agarose respectively to establish the degree of relationship between species. The results show
Carlos Muñoz +2 more
openaire +1 more source
Fishing Location decisions in the Chilean-Transzonal Jack Mackerel Fishery [PDF]
This study examines factors conditioning the fishing location decisions of the Chilean fleet operating in the South-east Pacific straddling jack mackerel fishery, considering voyage data for the1987-2004 period.
Julio Peña Torres, Mabyr Valderrama
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