Results 11 to 20 of about 140,871 (218)

Conservation Concerns of Small-Scale Fisheries: By-Catch Impacts of a Shrimp and Finfish Fishery in a Sri Lankan Lagoon

open access: yesFrontiers in Marine Science, 2018
By-catch is considered a significant problem in large-scale fisheries yet in small-scale fisheries (SSF), employing >99% of the world's fishers, there is limited quantitative understanding of by-catch, and catches in general.
Benjamin L. Jones   +6 more
doaj   +1 more source

Selectivity of diamond and square mesh cod ends for horse mackerel (Trachurus trachurus), European hake (Merluccius merluccius) and axillary seabream (Pagellus acarne) in the shallow groundfish assemblage off the south-west coast of Portugal

open access: yesScientia Marina, 2003
The effects of an increase in cod end mesh size from 65 to 70 and 80 mm and a change of mesh configuration from 65 mm diamond to 65 mm square mesh on the size selectivity of horse mackerel (Trachurus trachurus), hake (Merluccius merluccius) and axillary ...
Aida Campos, Paulo Fonseca
doaj   +1 more source

Growth of the harbour porpoise (Phocoena phocoena) in eastern Newfoundland, Canada

open access: yesNAMMCO Scientific Publications, 2003
Although the stock relationships among harbour porpoise (Phocoena phocoena) in the Northwest Atlantic are unknown, it has been postulated that there are 4 local populations: Bay of Fundy/Gulf of Maine, Gulf of St.
S F Richardson, G B Stenson, C Hood
doaj   +1 more source

By-catch of common minke whales (Balaenoptera acutorostrata) in Norwegian demersal trawl and longline fisheries, 2011–2020

open access: yesNAMMCO Scientific Publications
The Norwegian High Seas Reference Fleet (HSRF) reported one minke whale (Balaenoptera acutorostrata) by-caught in demersal trawl fisheries and one in a longline in the period 2011–2020.
André Moan, Arne Bjørge
doaj   +1 more source

An experimental study of postmortem ocular fluid and core temperature analysis in incidentally captured harbour porpoise (Phocoena phocoena)

open access: yesNAMMCO Scientific Publications, 2003
Determination of elapsed time since death in small cetaceans can be important to our understanding of the nature of their interactions with fishing operations.
C Hood, P-Y Daoust, J Lien, C Richter
doaj   +1 more source

The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay

open access: yesOceanological and Hydrobiological Studies, 2023
The discarded species caught in prawn trammel nets damage the nets and cause a serious labor loss problem for fishers. In the present study, a 15 cm high greenhouse plastic film and a greenhouse shade cloth net were fitted between the lower parts of the ...
Bozaoğlu Adem Sezai
doaj   +1 more source

Assessment of Catch Efficiency of Multifilament and Monofilament Gill Nets Using the Drive-in Fishing Method on the Çanakkale Coast

open access: yesÇanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries
This study was conducted in the Çanakkale Strait between September 2024 and July 2025, to compare the catch efficiency of gillnets made of multifilament and monofilament material using the drive-in (voli) fishing method within the 2–20 m depth range. For
Taha Demirtaş, Adnan Ayaz
doaj   +1 more source

Increasing biological knowledge for better management of by-catch species: age, growth, and mortality of piper and red gurnards (Teleostei: Triglidae)

open access: yesScientia Marina, 2023
Gurnards are a valuable by-catch of mixed demersal fisheries and are commercially important in European waters, but they are often discarded, reported under “mixed gurnards” and with incomplete biological information by species.
Vera Sequeira   +13 more
doaj   +1 more source

Growth and reproduction in harbour porpoises (Phocoena phocoena) in Icelandic waters

open access: yesNAMMCO Scientific Publications, 2003
A total of 1,268 harbour porpoises were obtained from fishing nets in Icelandic coastal waters from September to June in the years 1991 to 1997. Foetal sex ratio was 1.2:1 (male:female). The bias towards males increased further among older animals in the
Droplaug Ólafsdóttir   +3 more
doaj   +1 more source

Multidimensional Evaluation of Brown Shrimp Trawling Fisheries on the Amazon Continental Shelf

open access: yesFrontiers in Marine Science, 2022
Brown shrimp (Penaeus subtilis) trawling in the northern coastal waters of Brazil is an industrial fishing activity with a share in the international market and an important resource in the fishery market.
Janayna Galvão Araújo   +11 more
doaj   +1 more source

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