2015
DOI: 10.1016/j.fishres.2014.07.012
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Evaluating the flexibility of a reflex action mortality predictor to determine bycatch mortality rates: A case study of Tanner crab (Chionoecetes bairdi) bycaught in Alaska bottom trawls

Abstract: a b s t r a c tTo quantify total fishing mortality it is necessary to incorporate mortality rates attributed to bycatch, including animals that are discarded and that interact with the gear without being caught. The Reflex Action Mortality Predictor (RAMP) approach has been increasingly used to determine bycatch mortality rates in fisheries. This methodology creates a RAMP that relates reflex impairment to probability of mortality. As the RAMP approach becomes more prevalent it becomes important to evaluate th… Show more

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Cited by 28 publications
(24 citation statements)
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“…Therefore, it is essential to consider method-specific biases and limitations. For example, it is important to evaluate the contribution to mortality from tagging for identification (Tegelberg and Magoon, 1971;Wassenberg and Hill, 1993) or telemetry studies, or the contribution that is due to the effect of captivity in research that determines mortality through holding animals (Yochum et al, 2015;Yochum et al, 2017). In addition, methods that do not allow long-term monitoring may underestimate mortality rates caused by chronic, enduring impairment (Wassenberg and Hill, 1993;Bergmann and Moore, 2001).…”
Section: A Comparison Of Laboratory-holding and Tagreturn Methods Formentioning
confidence: 99%
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“…Therefore, it is essential to consider method-specific biases and limitations. For example, it is important to evaluate the contribution to mortality from tagging for identification (Tegelberg and Magoon, 1971;Wassenberg and Hill, 1993) or telemetry studies, or the contribution that is due to the effect of captivity in research that determines mortality through holding animals (Yochum et al, 2015;Yochum et al, 2017). In addition, methods that do not allow long-term monitoring may underestimate mortality rates caused by chronic, enduring impairment (Wassenberg and Hill, 1993;Bergmann and Moore, 2001).…”
Section: A Comparison Of Laboratory-holding and Tagreturn Methods Formentioning
confidence: 99%
“…Mortality rates estimated through captive holding are biased by the unnatural environment or holding conditions (or both) (Yochum et al, 2015;Yochum et al, 2017). Mortality rates could be overestimated because of agonistic interactions or predation among captive animals, suboptimal temperature or water quality, density of animals in holding enclosures, or failure to meet other biological or environmental requirements of the captive animal (Simonson and Hochberg, 1986;Kondzela and Shirley, 1993;Wassenberg and Hill, 1993;Spanoghe and Bourne, 1997;Portz et al, 2006;Weltersbach and Strehlow, 2013).…”
Section: A Comparison Of Laboratory-holding and Tagreturn Methods Formentioning
confidence: 99%
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