Results 1 to 10 of about 14,931 (238)
Ecological Indicators, 2023 Fish are an important component of aquatic ecosystems, thus representative and reliable assessments of their population variables are essential for a variety of ecological applications, management and conservation.
Milan Říha +21 more
doaj +3 more sources
Metabarcoding gillnets to assess unaccounted catch depredation or escape [PDF]
Environmental DNA, 2022 Gillnets are the world's most common net‐based fishing gear, comprising walls of light mesh designed to entangle fish. Gillnets are often retrieved with holes in the netting, which means some animals escape or are depredated unseen, but with some ...
Mark deBruyn +2 more
doaj +4 more sources
Selectivity of gillnets in the California Pacific herring roe fishery [PDF]
, 1977 Pacific herring, Clupea harengus, landings were sampled during the 1976 season in San Francisco, Tomales and Outer Bodega bays. Fish were sampled according to the type of gear used to catch them - - roundhaul nets (purse seines and lamparas), beach ...
Dahlstrom, Walter A.
core +2 more sources
Disentangling the causes of protected‐species bycatch in gillnet fisheries [PDF]
Conservation 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 +6 more sources
Effect of gillnet mesh size on the capture probability and capture patterns in the Asian paddle crab (Charybdis japonica) fishery [PDF]
HeliyonIn the Asian paddle crab (Charybdis japonica) gillnet fishery in the Yellow Sea, China, the minimum mesh size (MMS) regulation has been of a major importance due to high bycatch rates of undersized crabs. In this study, we evaluated how gillnet mesh size
Mengjie Yu +5 more
doaj +2 more sources
Biomass and abundance biases in European standard gillnet sampling.
PLoS ONE, 2015 The European Standard EN 14757 recommends gillnet mesh sizes that range from 5 to 55mm (knot-to-knot) for the standard monitoring of fish assemblages and suggests adding gillnets with larger mesh sizes if necessary.
Marek Šmejkal +12 more
doaj +4 more sources
Comparison of fishing efficiency between biodegradable gillnets and conventional nylon gillnets [PDF]
Fisheries Research, 2019 Abstract Gillnets made of a new biodegradable resin (polybutylene succinate co-adipate-co-terephthalate (PBSAT) were tested under commercial fishing conditions to compare their fishing performance with that of conventional nylon (PA) nets. The relative catch efficiency between the two gillnet types was evaluated over the entirewinter fishing season ...
Eduardo Grimaldo +7 more
+10 more sources
Species diversity of gillnet catches along the Egyptian Mediterranean coast of Alexandria
Egyptian Journal of Aquatic Research, 2022 The present work deals for the first time with the species diversity of gillnets operated on the fisheries coasts of Alexandria City from El-Montazah to Sidi Kirayr. A total of 6161 specimens of about 427 kg were collected during periods from Feb 2018 to
Evelyn Ragheb +3 more
doaj +1 more source
Scomberomorus brasiliensis (Scombridae) fishery on southern and southeastern coast of Brazil [PDF]
Anais da Academia Brasileira de Ciências, 2022 Fishing for serra Spanish mackerel takes place along the Brazilian coast. Studies in northern and northeastern regions show that has socioeconomic importance although risk of overexploitation.
MAYRA JANKOWSKY, JOCEMAR T. MENDONÇA
doaj +1 more source
Aquaculture, Fish and Fisheries, 2023 Fisheries studies concerning the related impacts of fishing on the aquatic environment have mostly dealt with industrial fisheries. Concerted large‐scale exploitation can lead to stock declines and potentially species extinction. Hydrocynus vittatus is a
Terence Magqina +2 more
doaj +1 more source