Results 21 to 30 of about 26,803 (164)

Arctic cod (Boreogadus saida, Gadidae) in the Chukchi Sea and adjacent waters

Известия ТИНРО, 2021
Biology, spatial distribution, migrations, and stock dynamics are considered for arctic cod in the Russian sector of the Chukchi Sea and adjacent waters of the northern Bering Sea on the data of trawl surveys conducted by Pacific Res. Inst.
A. B. Savin
doaj   +1 more source

Variability in micronekton active carbon transport estimates on the Southwest Coast of Oahu using three different sampling gears

Frontiers in Marine Science, 2022
Micronekton were sampled off the southwest coast of Oahu in October of 2004 as part of the North Pacific Marine Sciences Organization (PICES) Micronekton Sampling Gear Intercalibration experiment (MIE-1).
Lian E. Kwong, Alexis A. Bahl, Alexis A. Bahl, Evgeny A. Pakhomov, Evgeny A. Pakhomov, Evgeny A. Pakhomov   +5 more
doaj   +1 more source

Cable length optimization for trawl fuel consumption reduction [PDF]

, 2013
A numerical method for optimization of the cable lengths in trawls with respect to the ratio between the estimated trawl drag and the predicted catch efficiency is developed and applied.
KHALED, Ramez, PRIOUR, Daniel, BILLARD, Jean-Yves   +2 more
core   +1 more source

A Comparative Assessment of Mid-Water Trawl and Deep Vision for Investigating Fishery Resources in the Coastal Waters off Jeju Island, Korea

Applied Sciences, 2022
Acoustic-trawl surveys use trawl sampling to identify aquatic species. The Deep Vision stereo camera system collects images of fish passing through trawl extensions.
Yong-Deuk Lee, Hyungbeen Lee, Euna Yoon, Cheol Park, Eirik Svoren Osborg, Kristoffer Løvall   +5 more
doaj   +1 more source

Methоd of rigging parameters calculation for midwater trawls

Известия ТИНРО, 2018
The rigging parameters calculation for midwater trawls are discussed with description of numerical model for calculating the parameters of trawl boards, hydrodynamic kites, and dispersed and concentrated weights which provide the designed values of ...
V. I. Gabruk, V. V. Kudakaev, L. A. Gabruk, A. N. Boitsov   +3 more
doaj   +1 more source

Estimating the Catch Efficiency of a Framed Midwater Trawl under Different Sampling Conditions Using an Acoustic Method

Journal of Marine Science and Engineering, 2023
The authors have developed a method to estimate the catch efficiency of sampling gear using acoustic information. Since different sampling conditions will cause different sampling results, it is necessary to know more details about catch efficiency to ...
Zhen Lu, Tohru Mukai, Yasuzumi Fujimori, Kohji Iida   +3 more
doaj   +1 more source

DEVELOPMENT AND TESTING OF ALGORITHM FOR CALCULATION OF OPERATING PARAMETERS OF TRAWLING SYSTEMS

Известия ТИНРО, 2019
Numerical model of trawling system is developed on the base of equilibrium principle, using F.I. Baranov’s scheme of its power and geometric parameters interdependence.
E. A. Zakharov, O. N. Kruchinin, D. L. Shabelsky   +2 more
doaj   +1 more source

Daily ration of Antarctic silverfish (Pleuragramma antarcticum Boulenger, 1902) in the Eastern Weddell Sea

Scientia Marina, 2004
The daily ration of Pleuragramma antarcticum in the Eastern Weddell Sea was investigated from midwater and bottom trawl samples collected in the Antarctic in the summer of 1998.
Ignacio Olaso, Antoni Lombarte, Francisco Velasco   +2 more
doaj   +1 more source

Spatiotemporal patterns of variability in the abundance and distribution of winter-spawned pelagic juvenile rockfish in the California Current.

PLoS ONE, 2021
Rockfish are an important component of West Coast fisheries and California Current food webs, and recruitment (cohort strength) for rockfish populations has long been characterized as highly variable for most studied populations.
John C Field, Rebecca R Miller, Jarrod A Santora, Nick Tolimieri, Melissa A Haltuch, Richard D Brodeur, Toby D Auth, E J Dick, Melissa H Monk, Keith M Sakuma, Brian K Wells   +10 more
doaj   +1 more source

Bycatch of Loggerhead Turtle (Caretta caretta) in the Italian Adriatic Midwater Pair Trawl Fishery

Frontiers in Marine Science, 2019
Despite the fact that Mediterranean loggerhead turtles are listed as “Least Concern” by the International Union for the Conservation of Nature (IUCN), they are among the most threatened marine megafauna worldwide, because of fishery-related incidental ...
Jacopo Pulcinella, Sara Bonanomi, Alessandro Colombelli, Caterina Maria Fortuna, Fabrizio Moro, Alessandro Lucchetti, Antonello Sala   +6 more
doaj   +1 more source