Results 31 to 40 of about 5,274 (209)

An investigation of factors related to the bycatch of small cetaceans in fishing gear [PDF]

open access: yes, 2011
The bycatch of cetaceans in fishing gear is considered to be one of the biggest conservation threats to these species. Gear modifications have the potential to reduce these bycatches in global fisheries but there is little available information on how ...
Mackay, Alice I.
core   +2 more sources

A Review on Ray Capture According to Fishing Gear Worldwide

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2021
Highlight • Ray capture worldwide using variety fishing gear. • Efficiency of fishing gear used in capture ray species among countries. • The maturation size for female and male ray according to species present.
Nur Arina Hayati Mohidin   +4 more
doaj   +1 more source

Diet of the rasptail skate, Rostroraja velezi (Rajiformes: Rajidae), off Piura, Peru

open access: yesCiencias Marinas, 2021
Batoids are among the least studied group of vertebrates and one of the most vulnerable to fishing. The rasptail skate, Rostroraja velezi, is a bycatch species in northern Peru for which there are no studies on its diet.
Pamela Molina-Salgado   +2 more
doaj   +1 more source

The effect of long-term use on the Catch efficiency of Biodegradable gillnets [PDF]

open access: yes, 2020
The effect of long-term use on the catch efficiency of biodegradable gillnets was investigated during commercial fishing trials and in controlled lab aging tests.
Herrmann, Bent   +8 more
core   +1 more source

Disentangling the causes of protected‐species bycatch in gillnet fisheries [PDF]

open access: yesConservation Biology, 2017
Abstract Gillnet fisheries are widely thought to pose a conservation threat to many populations of marine mammals, seabirds, and turtles. Gillnet fisheries also support a significant proportion of small‐scale fishing communities worldwide. Despite a large number of studies on protected‐species bycatch in recent decades, relatively few
Northridge, Simon   +3 more
openaire   +4 more sources

Impact of turbot fishery on cetaceans in the Romanian Black Sea area

open access: yesScientia Marina, 2014
The abundance of the three species of endemic Black Sea marine mammals represented by Delphinus delphis ponticus (Barabasch-Nikiforov 1935), Tursiops truncatus ponticus (Barabasch-Nikiforov 1940) and Phocoena phocoena relicta (Abel 1905) has shown a ...
Gheorghe Radu, Eugen Anton
doaj   +1 more source

Fishing efficiency of biodegradable PBSAT gillnets and conventional nylon gillnets used in Norwegian cod (Gadus morhua) and saithe (Pollachius virens) fisheries [PDF]

open access: yes, 2018
Fishing trials were carried out to compare the relative fishing efficiency of gillnets made of a new biodegradable resin (polybutylene succinate co-adipate-co-terephthalate, PBSAT) with conventional (nylon) nets.
Herrmann, Bent   +6 more
core   +1 more source

The fate of conventional and potentially degradable gillnets in a seawater-sediment system [PDF]

open access: yes, 2022
Abandoned gillnets in the marine environment represent a global environmental risk due to the ghost fishing caused by the nets. Degradation of conventional nylon gillnets was compared to that of nets made of poly- butylene succinate co-adipate-co ...
Aas, Marianne   +7 more
core   +1 more source

Ghost fishing by monofilament and multifilament gillnets in Izmir Bay, Turkey [PDF]

open access: yes, 2006
To investigate and compare ghost fishing by monofilament and multifilament gillnets, six monofilament and six multifilament experimental gillnets (each 33 m long) were deployed at two locations, set at various depths between 9 and 14 m in Izmir Bay ...
Acarli, Deniz   +5 more
core   +1 more source

Longlines for Sampling, Reduction and Eradication of Large Alien Invasive Predatory Species: The Case of European Catfish

open access: yesProceedings
Introduction: Longlines are traditional fishing gear and are widely used in marine systems for both quantitative and qualitative sampling of large predators like tuna, swordfish, sailfish, marlin or sharks.
Martin Čech   +12 more
doaj   +1 more source

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