2020
DOI: 10.15451/ec2020-06-9.22-1-34
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Operational interactions between sea lion species (Otariinae) and commercial fisheries

Abstract: Many marine mammal species, such as pinnipeds, have shown an increased frequency of interaction with fisheries. Thus, we aimed to investigate the operational interactions between commercial fishing and sea lion species of all five continents, between 1982 and 2018. We found 130 publications in which operational interactions between commercial fisheries and the species of sea lions were detected, in 12 countries. These interactions included bycatch, presence of the animals around boats, depredation, gear damage… Show more

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Cited by 4 publications
(3 citation statements)
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“…In South American artisanal gillnet fisheries, there are some records of SASL incidental captures off Peru (0.3 per fishing trip, Arias Schreiber 1993) and Chile (0.9 per fishing trip, Bartheld et al 2008). However, for the SASL off Brazil, bycatch in artisanal gillnets is apparently uncommon (Ramos et al 2020) and does not seem to be a significant cause of mortality (no incidental bycatch was recorded in 484 gillnet operations monitored between 1991 and 2012; Machado et al 2016). The main threat to pinnipeds does not therefore seem to come from artisanal fisheries but from interactions with industrial fisheries and indirect fishery interactions (see below).…”
Section: Incidental Capture and Mortality In Artisanal Fisheriesmentioning
confidence: 99%
“…In South American artisanal gillnet fisheries, there are some records of SASL incidental captures off Peru (0.3 per fishing trip, Arias Schreiber 1993) and Chile (0.9 per fishing trip, Bartheld et al 2008). However, for the SASL off Brazil, bycatch in artisanal gillnets is apparently uncommon (Ramos et al 2020) and does not seem to be a significant cause of mortality (no incidental bycatch was recorded in 484 gillnet operations monitored between 1991 and 2012; Machado et al 2016). The main threat to pinnipeds does not therefore seem to come from artisanal fisheries but from interactions with industrial fisheries and indirect fishery interactions (see below).…”
Section: Incidental Capture and Mortality In Artisanal Fisheriesmentioning
confidence: 99%
“…Muchas especies de mamíferos marinos, como los pinnípedos, han mostrado una mayor frecuencia de interacciones operativas con el hombre, por ejemplo durante la pesca y la captura incidental, presencia de animales alrededor de botes, depredación, daños o pérdida en el equipo de pesca, colisiones de botes, agresiones (Lopes-Ramos et al, 2020). Machernis et al (2018) elaboraron una exhaustiva revisión de literatura en relación de un análisis exhaustivo de la actividad humano-interacciones con mamíferos marinos, con el objetivo de guiar futuros proyectos de investigación potenciales y estrategias de manejo.…”
Section: Introductionunclassified
“…La presencia de lobos marinos en el puerto de Mazatlán, es una fuente invaluable de información, ya que son un indicador de la salud del ecosistema marino, y tienen una relevancia social relacionada con interacciones con actividades antropogénicas como el turismo (Johnson & Lavigne, 1999;Díaz-Maestre et al, 2019;Gómez et al, 2020). A pesar de que hay estudios relacionados con mamíferos marinos, muchos trabajos destacaron los riesgos y efectos asociados con las interacciones, tales como la depredación, las perturbaciones acústicas, la supervivencia juvenil reducida, la colisión de botes, y lesiones por enredos por redes de pesca o varamientos (Van Waerebeek et al, 2007;Vermeulen et al, 2012;Machernis et al, 2018;Gómez et al, 2020) y la pesca de arrastre y redes de enmalle mostró una asociación significativamente mayor con la captura incidental de pinnípedos (Lopes-Ramos et al, 2020).…”
Section: Introductionunclassified