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Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark
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| Zeitschriftentitel: | ICES Journal of Marine Science |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | ICES Journal of Marine Science, 75, 2018, 6, S. 2235-2244 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Oxford University Press (OUP)
|
| Schlagwörter: |
| author_facet |
Howard, Sunkita Brill, Richard Hepburn, Chris Rock, Jenny Howard, Sunkita Brill, Richard Hepburn, Chris Rock, Jenny |
|---|---|
| author |
Howard, Sunkita Brill, Richard Hepburn, Chris Rock, Jenny |
| spellingShingle |
Howard, Sunkita Brill, Richard Hepburn, Chris Rock, Jenny ICES Journal of Marine Science Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
| author_sort |
howard, sunkita |
| spelling |
Howard, Sunkita Brill, Richard Hepburn, Chris Rock, Jenny 1054-3139 1095-9289 Oxford University Press (OUP) Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography http://dx.doi.org/10.1093/icesjms/fsy098 <jats:title>Abstract</jats:title> <jats:p>Elasmobranchs contribute heavily to bycatch in longline fisheries globally, and an effective method of deterring them from baited fishing gear is needed. Electrosensory stimulus holds promise as a method of disrupting elasmobranch close-range feeding responses as their electric sense guides their final strike during prey capture. We used laboratory experiments to test the hypothesis that weak electric stimuli generated by a prototype electronic bycatch reduction device (BRD) could deter sandbar shark (Carcharhinus plumbeus) and spiny dogfish (Squalus acanthias) from eating bait. Voltage gradients &lt;1 mV cm−1 at the location of bait were produced by an Arduino microcontroller powered by a 9 V battery and attached to carbon electrodes. Median bait consumption by groups of juvenile sandbar shark declined by 74% when bait was located 10 cm vs. 2 m from active electrodes. Spiny dogfish median bait consumption halved when bait was located 10 cm from active vs. inactive electrodes. Although laboratory studies often produce a larger effect for electrosensory shark deterrents than can be demonstrated during field trials, if the effects seen in our laboratory studies produced similar effects in the field, it could meet fishermen’s requirements for a BRD.</jats:p> Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark ICES Journal of Marine Science |
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| title |
Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_unstemmed |
Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_full |
Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_fullStr |
Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_full_unstemmed |
Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_short |
Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_sort |
microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
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Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
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http://dx.doi.org/10.1093/icesjms/fsy098 |
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2018 |
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2235-2244 |
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<jats:title>Abstract</jats:title>
<jats:p>Elasmobranchs contribute heavily to bycatch in longline fisheries globally, and an effective method of deterring them from baited fishing gear is needed. Electrosensory stimulus holds promise as a method of disrupting elasmobranch close-range feeding responses as their electric sense guides their final strike during prey capture. We used laboratory experiments to test the hypothesis that weak electric stimuli generated by a prototype electronic bycatch reduction device (BRD) could deter sandbar shark (Carcharhinus plumbeus) and spiny dogfish (Squalus acanthias) from eating bait. Voltage gradients &lt;1 mV cm−1 at the location of bait were produced by an Arduino microcontroller powered by a 9 V battery and attached to carbon electrodes. Median bait consumption by groups of juvenile sandbar shark declined by 74% when bait was located 10 cm vs. 2 m from active electrodes. Spiny dogfish median bait consumption halved when bait was located 10 cm from active vs. inactive electrodes. Although laboratory studies often produce a larger effect for electrosensory shark deterrents than can be demonstrated during field trials, if the effects seen in our laboratory studies produced similar effects in the field, it could meet fishermen’s requirements for a BRD.</jats:p> |
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| description | <jats:title>Abstract</jats:title> <jats:p>Elasmobranchs contribute heavily to bycatch in longline fisheries globally, and an effective method of deterring them from baited fishing gear is needed. Electrosensory stimulus holds promise as a method of disrupting elasmobranch close-range feeding responses as their electric sense guides their final strike during prey capture. We used laboratory experiments to test the hypothesis that weak electric stimuli generated by a prototype electronic bycatch reduction device (BRD) could deter sandbar shark (Carcharhinus plumbeus) and spiny dogfish (Squalus acanthias) from eating bait. Voltage gradients &lt;1 mV cm−1 at the location of bait were produced by an Arduino microcontroller powered by a 9 V battery and attached to carbon electrodes. Median bait consumption by groups of juvenile sandbar shark declined by 74% when bait was located 10 cm vs. 2 m from active electrodes. Spiny dogfish median bait consumption halved when bait was located 10 cm from active vs. inactive electrodes. Although laboratory studies often produce a larger effect for electrosensory shark deterrents than can be demonstrated during field trials, if the effects seen in our laboratory studies produced similar effects in the field, it could meet fishermen’s requirements for a BRD.</jats:p> |
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| spelling | Howard, Sunkita Brill, Richard Hepburn, Chris Rock, Jenny 1054-3139 1095-9289 Oxford University Press (OUP) Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography http://dx.doi.org/10.1093/icesjms/fsy098 <jats:title>Abstract</jats:title> <jats:p>Elasmobranchs contribute heavily to bycatch in longline fisheries globally, and an effective method of deterring them from baited fishing gear is needed. Electrosensory stimulus holds promise as a method of disrupting elasmobranch close-range feeding responses as their electric sense guides their final strike during prey capture. We used laboratory experiments to test the hypothesis that weak electric stimuli generated by a prototype electronic bycatch reduction device (BRD) could deter sandbar shark (Carcharhinus plumbeus) and spiny dogfish (Squalus acanthias) from eating bait. Voltage gradients &lt;1 mV cm−1 at the location of bait were produced by an Arduino microcontroller powered by a 9 V battery and attached to carbon electrodes. Median bait consumption by groups of juvenile sandbar shark declined by 74% when bait was located 10 cm vs. 2 m from active electrodes. Spiny dogfish median bait consumption halved when bait was located 10 cm from active vs. inactive electrodes. Although laboratory studies often produce a larger effect for electrosensory shark deterrents than can be demonstrated during field trials, if the effects seen in our laboratory studies produced similar effects in the field, it could meet fishermen’s requirements for a BRD.</jats:p> Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark ICES Journal of Marine Science |
| spellingShingle | Howard, Sunkita, Brill, Richard, Hepburn, Chris, Rock, Jenny, ICES Journal of Marine Science, Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark, Ecology, Aquatic Science, Ecology, Evolution, Behavior and Systematics, Oceanography |
| title | Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_full | Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_fullStr | Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_full_unstemmed | Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_short | Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_sort | microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| title_unstemmed | Microprocessor-based prototype bycatch reduction device reduces bait consumption by spiny dogfish and sandbar shark |
| topic | Ecology, Aquatic Science, Ecology, Evolution, Behavior and Systematics, Oceanography |
| url | http://dx.doi.org/10.1093/icesjms/fsy098 |