Results 61 to 70 of about 3,693 (163)

Effects of the Santa Barbara, Calif., Oil Spill on the Apparent Abundance of Pelagic Fishery Resources [PDF]

open access: yes, 1992
Many studies have been made of the effects of oil on marine invertebrates, plants (marine algae and phytoplankton), and vertebrates such as seabirds and marine mammals.
Squire, Jr. , James L.
core  

Initiation and spread of escape waves within animal groups [PDF]

open access: yes, 2015
The exceptional reactivity of animal collectives to predatory attacks is thought to be due to rapid, but local, transfer of information between group members. These groups turn together in unison and produce escape waves.
Buhl, Jerome   +4 more
core   +2 more sources

The Peruvian upwelling ecosystem: dynamics and interactions [PDF]

open access: yes
Upwelling, Ecosystems, Fishery biology, Fishery oceanography, Conferences, Peru,
Mendo, J.   +3 more
core  

Comparison of biochemical and histological methods for the evaluation of the in situ nutritional condition of marine fish larvae [PDF]

open access: yes, 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
core  

Fishing Location decisions in the Chilean-Transzonal Jack Mackerel Fishery [PDF]

open access: yes
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
core  

Status of Pacific Mackerel spawning population, 1976 [PDF]

open access: yes, 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.
core  

Application of an analytical approach to characterize the target strength of ancillary pelagic fish species. [PDF]

open access: yesSci Rep, 2023
Palermino A   +6 more
europepmc   +1 more source

Patterns of distribution and abundance of larval phosichthyidae (actinopterygii, stomiiformes) in southeastern Brazilian waters [PDF]

open access: yes, 2011
Horizontal and vertical distribution patterns and abundance of larval phosichthyids were investigated from oblique and depth-stratified towns off Southeastern brazilian waters, from São Tomé cape (41ºW.; 22ºS.) to São Sebastião island (45ºW.; 24ºS.). The
GOÇALO, Cássia Gôngora   +2 more
core   +3 more sources

The Northern Anchovy reduction fishery for the 1978-79 through 1981-82 seasons [PDF]

open access: yes, 1985
Nearly 49,000 metric tons (MT) of anchovies were taken during the 1978-79 season, followed by 32,390 MT in 1979-80, 60,678 MT in 1980-81 and 45,150 MT in 1981-82. A total of 14,076 fish was sampled during the four seasons for age, length and sex.
Read, Robert B., Sunada, John S.
core  

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