Results 101 to 110 of about 5,907 (210)

MAXIMIZING RESOURCE RENT FROM THE WESTERN AND CENTRAL PACIFIC TUNA FISHERIES [PDF]

open access: yes
Rent generated by the tuna fisheries occurring in the waters of Pacific Islands Nations is estimated for various levels and combinations of purse-seine, pole-and-line, frozen tuna longline, and fresh tuna longline fishing effort, using a multi-species ...
Bertignac, Michel   +3 more
core   +1 more source

A review of the Japanese longline fishery for tunas and billfishes in the eastern Pacific Ocean, 1993-1997 [PDF]

open access: yes, 2003
English: This report reviews the Japanese longline fishery in the eastern Pacific Ocean during the 1993-1997 period, extending the studies for the 1956-1992 period made by other investigators.
Bayliff, William H., Okamoto, Hiroaki
core  

Incorrect likelihood methods were used to infer scaling laws of marine predator search behaviour.

open access: yesPLoS ONE, 2012
BackgroundEcologists are collecting extensive data concerning movements of animals in marine ecosystems. Such data need to be analysed with valid statistical methods to yield meaningful conclusions.Principal findingsWe demonstrate methodological issues ...
Andrew M Edwards   +3 more
doaj   +1 more source

Using productivity and susceptibility indices to assess the vulnerability of United States fish stocks to overfishing [PDF]

open access: yes, 2010
Assessing the vulnerability of stocks to fishing practices in U.S. federal waters was recently highlighted by the National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration, as an important factor to consider when 1 ...
Bigelow, Keith   +11 more
core  

Catch-effort relationship in Pacific bigeye tuna fishery [PDF]

open access: yesNaga, 1992
Some problems associated with fitting surplus production models to unsuitable data are discussed. This is illustrated by an application of the Schaefer, Fox and PRODFIT models to Pacific Ocean bigeye tuna (Thunnus obesus ) catch and effort data for 1952-1987, which appear to be better described by purely empirical models.
openaire   +2 more sources

Fishing Season of Large Tuna from Purse Seine Fishery in Tumumpa, Manado, North Sulawesi

open access: yesIlmu Kelautan, 2019
Knowledge on seasonal fishing pattern is essential in fisheries research in order to increase the effectiveness of fishing and at the same time protecting the fishing ground from excessive fishing practices.
Bram Setyadji, Umi Chodriyah
doaj   +1 more source

SUHU PERMUKAAN LAUT DAN KEDALAMAN TERTANGKAPNYA TUNA OLEH KAPAL PANCING ULUR YANG DILENGKAPI LAMPU

open access: yesJurnal Teknologi Perikanan dan Kelautan, 2018
Sebaran dan kelimpahan ikan tuna sangat dipengaruhi oleh suhu dan kedalaman air. Nelayan tuna Bungus menangkap ikan tuna bigeye (BET, Thunnus obesus) dan tuna sirip kuning (YFT, Thunnus albacares) menggunakan pancing ulur yang dioperasikan pada kapal ...
Rama Agus Mulyadi   +2 more
doaj   +1 more source

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