maximios

Research and development of bycatch reduction devices. See global map of acoustic deterrent studies Incidental capture of franciscana  The Consortium is testing whether ropes that have greater stiffness or fish under greater tension may be effective for reducing entanglements.  The stiffness or tension would reduce the ability of the rope to bend, allowing animals to […]

Understanding interactions between non-target species and fishing operations Understanding interactions between non-target species and fishing operations Entanglement in commercial fishing ropes threatens the recovery of the North Atlantic right whale (Eubalaena glacialis), a species largely restricted waters off of eastern North America. In recent years, serious entanglements have been increasing, and mortality from conflicts with […]

Acoustic Harassment Devices Devices that emit sounds of such high intensity that they cause pain or alarm in certain underwater species. The minimum sound level is approximately 200 dB re 1 _Pa @ 1m. References for AHDs primarily dealt with aquaculture operations. These devices may exclude some animals from important habitat (Olesiuk et al., 2002), […]

Tuesday, October 22, 2013 to Friday, October 25, 2013 Mortality from longline bycatch threatens marine mammal species and populations such as the false killer whale (Pseudorca crassidens) in the insular Hawaiian Islands, and Risso’s dolphin (Grampus griseus) and pilot whales (Globicephala spp.) in the Northwest Atlantic. Fishermen also lose valuable target catch due to marine […]

Submitted by morgaac on March 28, 2016 – 16:15 Interactions between the vertical line and the leading edge of a whale flipper model closest to the whale “body” resulted in significant damage to the flipper. Eubalaena glacialis (NA Right whale)

Entanglement of large baleen whales, including the right (Eubalaena glacialis), fin (Balaenoptera physalus), sei (Balaenoptera borealis), Bryde’s (Balaenoptera brydei), minke (Balaenoptera acutorostrata), and humpback (Megaptera novaeangliae) in fixed fishing gear (e.g. pot and gillnet) is a frequent occurrence along the east coast of the United States and Canada. For right and humpback whales, which have detailed […]

Submitted by morgaac on May 19, 2016 – 14:01 Bay of Fundy and Scotian Shelf Lobster traps pose greatest threat during spring and summer migration periods (to/from Critical Habitat) Eubalaena glacialis (NA Right whale)

Submitted by morgaac on May 19, 2016 – 13:59 groundfish and pelagic species Groundfish hook and line gear posed were determined to pose the greatest threat during summer resident period in Critical Habitat Eubalaena glacialis (NA Right whale)

Reducing Excess Rope Strength in Fishing Gear Could Cut Whale Deaths from Entanglements by 72 percent BOSTON (December 2015) – Along the U.S. East Coast and the Canadian Maritimes, reports of a whale entangled in ropes used in commercial fishing are a near weekly event. When a whale gets entangled in these ropes, the event […]

NOAA National Marine Fisheries Service Bycatch regulations, research, monitoring, and engineering carried out by the National Marine Fisheries Service of the United States.  NOAA’s Bycatch Reduction Engineering Program    Food and Agriculture Organization of the United Nations A global assessment of fisheries bycatch and discards   The IUCN Red List of Threatened Species Information on the status of […]

Wood, R.C., 1997, The impact of commercial crab traps on northern diamondback terrapins, Malaclemys terrapin terrapin, Proceedings: Conservation, Restoration, and Management of Tortoises and Turtles-An International Conference, ps 21-27. Yokata, K., Minami, H. and Kiyota, M., 2007, Effective factors of tori-poles in reducing incidental catch of seabirds in the Japanese longline fishery, Western and Central […]

Christian, P. and Harrington, D, 1987, Loggerhead turtle, finfish and shrimp retention studies on four excluder devices (TEDs), In Proceedings of the Nongame and Endangered Wildlife Symposium, 8-10 September, 1987. Georgia DENR, Social Circle, GA., ps 114-127. Fish, J.F. and Vania, J.S., 1971, Killer whale, Orcinus orca, sound repel white whales, Delphinapterus leucas, Fishery Bulletin, […]

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Graham, I.M., Harris, R.N., Denny, B., Fowden, D., and Pullan, D. ICES Journal of Marine Science [email protected] Trials of acoustic deterrent devices (ADD) were carried out on the River North Esk and River Conon in Scotland to test the effectiveness of deterring seals from a specific area of the river and as a barrier to […]