Pelagic longline
Semi-pelagic Longline and Trammel Net Elasmobranch Catches in Southern Portugal: Catch Composition, Catch Rates and Discards
... semi-pelagic longline catch rates are higher than trammel net catch rates, these results are not directly comparable and can only be regarded as informative ...for longline and number per 1 000 m for ...
7
An overview of the hooking mortality of elasmobranchs caught in a swordfish pelagic longline fishery in the Atlantic Ocean
... of pelagic elasmobranchs caught in pelagic longline fisheries are species-specific, and that management options therefore need to consider those ...the pelagic stingray, manta, devil and eagle ...
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Effects of hook and bait on targeted and bycatch fishes in an equatorial atlantic pelagic longline fishery
... portuguese pelagic longline fishery targeting swordfish began in the ...seasons, pelagic sharks may be a major compo- nent and multifilament wire gangions and mackerel bait are ...
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Fishery indicators for the shortfin mako (Isurus oxyrinchus) caught by the portuguese pelagic longline fishery in the Atlantic: nominal CPUEs, catch-at-size and at-haulback mortality
... For 2017, the SCRS has planned to carry out a shortfin mako shark stock assessment. In preparation for that, preliminary fishery indicators have been requested to be provided by national scientists during 2016. As such, ...
13
Standardized CPUE and size distribution of the shortfin mako shark in the portuguese pelagic longline fishery in the Atlantic
... This document provides fishery indicators for the shortfin mako shark captured by the Portuguese pelagic longline fishery in the Atlantic (standardized CPUEs and size distribution). The analysis was based ...
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Age and growth of the bigeye thresher shark, Alopias superciliosus, from the pelagic longline fisheries in the tropical northeastern Atlantic Ocean, determined by vertebral band counts
... Abstract – The bigeye thresher, Alopias supercilious, is commonly caught as bycatch in pelagic longline fisheries tar- geting swordfish. Little information is yet available on the biology of this species, ...
10
Bottom longline, Trolling and Handline
... (pelagic longline, bottom longline, handline, trolling, drift net, surface seine and mid-water seine) occurs in oceanic regions of ...surface longline, pelagic longline, bottom ...
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Population dynamics and fisheries assessment of the bigeye thresher (Alopias superciliosus) in the Atlantic: a comparison between North Atlantic and South Atlantic stocks
... oceanic pelagic shark, occasionally caught as bycatch in pelagic longline fisheries targeting tunas and swordfish in the Atlantic ...Portuguese pelagic longline ...the longline ...
181
Braz. j. oceanogr. vol.59 número2
... The Xiphias gladius (Linnaeus, 1758) data used in the present study were obtained from commercial fishing cruises of the pelagic longline fleet based in Itajaí, operating in the Southwest Atlantic. For the ...
14
Braz. j. oceanogr. vol.63 número4
... In the presente study, cluster analysis was performed to classify 1080 interviews with captains of national pelagic longline leet (2000 to 2011), and 38 trips of the chartered leet (2003 to 2008), in ...
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Multidisciplinary approach to identification of fishery production systems on the northern coast of Brazil
... (Lacepède, 1801), and gillbacker sea catfish, Aspistor parkerii (Traill, 1832), are caught, along with other species with lesser frequency or lower economic importance, such as the crevalle jack - Caranx sp., crucifix ...
12
Water transparency drives intra-population divergence in Eurasian Perch (Perca fluviatilis).
... Perch morphology was analyzed using landmark-based thin- plate spline (TPS) analysis, a geometric morphometrics technique [32]. We used the programs TPS-dig2, TPS-relw, and TPS-regr for all morphological analyses ...
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Palatability of the Asian clam Corbicula fluminea (Müller 1774) in an invaded system
... 19 of the benthic fauna in the tidal freshwater compartments of the estuary and further upstream. Although many studies have been conducted of the C. fluminea population present in the Minho River, any study, so far, ...
44
Patterns and processes of variation of a rocky bottom cryptobethic fish assemblage
... the pelagic larval durations of a number of Mediterranean coastal fishes including some cryptobenthic fishes is described, very little is known about the time these species spend in the ...
200
Are deep-sea cephalopods really common preys for oceanic seabirds?
... of longline fishing after 1950’s do not allow to compare and explain if deep water cephalopods are really common items of the albatrosses, or if the presence of these families are result of a new feeding habit ...
4
Description of diet of pelagic fish in the southwestern Atlantic, Brazil
... Pelagic mollusks of the Ommastrephidae family are commonly found as food items of X. gladius. Authors like Zavala-Camin (1981), Stillwell & Kohler (1985), Simões & Andrade (2000) and Vaske- Júnior (2000) ...
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Pelagic metabolism of the Douro estuary (Portugal) – Factors controlling primary production
... The pelagic metabolism of the Douro estuary (Portugal) and the factors influencing primary production (PP) and community respiration (CR) in this system were studied during an annual cycle (December 2002eDecember ...
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Impact of fish species on levels of lead accumulation in the meat of common bream (Abramis brama L.), white bream (Blicca bjoerkna L.) and common bleak (Alburnus alburnus L.) from the Vistula River (Poland)
... There were not statistically significant differences in lead content between analyzed fish species, especially between benthic fish (common bream and white bream) and pelagic species ([r] ...
10
Massive consumption of gelatinous plankton by Mediterranean apex predators.
... prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty ...
14
Braz. j. oceanogr. vol.62 número1
... The shrimp species analyzed herein are included in two crustacean groups: Suborder Dendrobranchiata, that is a relatively small and uniform decapod group with about 533 species (DE GRAVE; FRANSEN, 2011), all shrimp-like; ...
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