Results 71 to 80 of about 5,642 (189)

The Former Pelagic Longline Fishery of a Large‐Scale Marine Protected Area

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 2, February 2025.
ABSTRACT The establishment of large‐scale marine protected areas (LSMPAs) has emerged as one of the defining trends in ocean conservation over recent decades. To assess the potential benefits of such designations, it is necessary to understand the nature of the threats that have been excluded.
Chris Kerry   +7 more
wiley   +1 more source

Outro registro de Pennella instructa (Copepoda, Pennellidae) parasitando o espadarte Xiphias gladius no Atlí­¢ntico Sul após 20 anos

open access: yesBoletim do Instituto de Pesca, 2018
Os copépodes do gênero Pennella são altamente modificados e têm sido encontrados parasitando vários peixes nas águas do Atlí­¢ntico. Embora já tenha sido registrado no Oceano Atlí­¢ntico, pouco é conhecido deste parasito nas águas do Atlí­¢ntico Sul ...
Alison Carlos WUNDERLICH   +1 more
doaj  

Bounds on Rényi and Shannon Entropies for Finite Mixtures of Multivariate Skew-Normal Distributions: Application to Swordfish (Xiphias gladius Linnaeus)

open access: yesEntropy, 2016
Mixture models are in high demand for machine-learning analysis due to their computational tractability, and because they serve as a good approximation for continuous densities.
Javier E. Contreras-Reyes   +1 more
doaj   +1 more source

Longline-caught blue shark (Prionace glauca): factors affecting the numbers available for live release* [PDF]

open access: yes, 2005
The blue shark (Prionace glauca) is an oceanic species that occurs in temperate and tropical waters around the globe (Robins and Ray, 1986). This species is a major bycatch of pelagic longline fleets that operate to supply the world’s growing demand for
Diaz, Guillermo A., Serafy, Joseph E.
core  

Notes on eggs, larvae and juveniles of fishes from Indian waters 1. Xiphias gladius Linnaeus [PDF]

open access: yes, 1958
Since December 1957 plankton collections were being made from the West Coast and Wadge Bank during the cruises of the Research Vessel " Kalava " of the Indo-Norwegian Project which is utilised by the Central Marine Fisheries Research Station for ...
Jones, S
core  

The early life history of swordfish (Xiphias gladius) in the western North Atlantic [PDF]

open access: yes, 2003
Lengths and ages of sword-fish (Xiphias gladius) estimated from increments on otoliths of larvae collected in the Caribbean Sea, Florida Straits, and off the southeastern United States, indicated two growth phases.
Govoni , John Jeffrey   +2 more
core  

Age and growth of swordfish (Xiphias gladius L.) in the Aegean Sea

open access: yesTurkish Journal of Zoology, 2013
Age and growth of swordfish, Xiphias gladius, were determined from 205 specimens (total n = 1408), collected from onboard a swordfish fishery fleet and from a wholesale fish market between June 2008 and July 2011. The length and weight distribution of all fish samples ranged from 51 to 242 cm and from 0.85 to 171.0 kg, respectively.
Akyol, Okan, Ceyhan, Tevfik
openaire   +4 more sources

Modelling several morphometric relationships of swordfish (Xiphias gladius), black marlin (Makaira indica) and blue marlin (Makaira nigricans) caught from Indonesian longliners in the eastern Indian Ocean

open access: yesJournal of Fisheries, 2016
This paper presents several equations for converting among measures of size (length and weight) for swordfish (Xiphias gladius), black marlin (Makaira indica) and blue marlin (Makaira nigricans) caught by Indonesian longliners in the Indian Ocean.
Bram Setyadji   +2 more
doaj   +3 more sources

By-catch de espadarte (Xiphias gladius) e tintureira (Prionace glauca) juvenil no palangre de superfície [PDF]

open access: yes, 2013
Dissertação de Mestrado, Estudos Integrados dos Oceanos, 11 de Outubro 2013, Universidade dos Açores.A pesca de palangre de superfície apresenta elevadas rejeições e capturas acessórias, ou "by-catch", o que coloca graves problemas de gestão e ...
Martins, Luís Miguel Antunes
core  

Direct Ageing of South Atlantic Swordfish (Xiphias gladius)

open access: yesFishes
Studies of swordfish growth provide essential biological parameters for stock assessment and fisheries management, informing both conventional population models and the evaluation of different management strategies.
Pablo Quelle   +9 more
doaj   +1 more source

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