WG-IMALF-94 | Meetings

Ad Hoc Working Group on Incidental Mortality Arising from Longline Fishing

Location:

Hobart, Australia

Meeting Start Date/Time:

Friday, 21 October 1994

Meeting End Date/Time:

Saturday, 22 October 1994

Submissions Due

Friday, 21 October 1994 - 00:00 Australia/Hobart (Working Group Paper)

Meeting Report:

e-sc-xiii-a8.pdf (99.09 KB)

Meeting Documents

Documents

Document Number	Title	Agenda Item(s)
WG-IMALF-94/01 More Info	Agenda CCAMLR Secretariat Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/02 More Info	List of participants CCAMLR Secretariat Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/03 More Info	List of documents CCAMLR Secretariat Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/04 More Info	Seabirds mortality on longline fishing for tuna in southern Brazil Vaske, T., Jr. Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Publication: Vaske, T. 1991. Seabirds mortality on longline fishing for tuna in southern Brazil. Ciência e Cultura, 43(5): 388-390. Request Meeting Document
WG-IMALF-94/05 More Info	Seabird mortality in longline fisheries around South Georgia Dalziell, J. and M. de Poorter Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Publication: Dalziell, J. and M. de Poorter. 1993. Seabird mortality in longline fisheries around South Georgia. Polar Record, 29 (169): 143-145. http://doi.org/10.1017/S0032247400023597 Request Meeting Document
WG-IMALF-94/06 More Info	Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean Brothers, N. Abstract: A conservative calculation of the number of albatrosses killed annually on Japanese longlines in southern oceans in 44 000. The actual figure could be double and is sufficiently high to substantiate claims that serious declines in albatross populations are due to this fishing activity. Albatrosses have an economic impact 0n longline fisheries with annual losses to the southern bluefin tuna Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Publication: Brothers, N. 1991. Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean. Biological Conservation, 55(3): 255-268. https://doi.org/10.1016/0006-3207(91)90031-4 Request Meeting Document
WG-IMALF-94/07 More Info	Population dynamics of the wandering albatross (Diomedea exulans) on Macquarie Island and the effects of mortality from longline fishing de la Mare, W.K. and K.R. Kerry Abstract: The estimated breeding population of wandering albatrosses on Macquarie Island increased from 17 in 1956 to a maximum of 97 in 1966, and then declined at an average rate of 8.1% per year. Mark-recapture analysis shows that the population is not closed (i.e., subject to immigration and emigration). The decline is correlated with the onset of large-scale fishing for tuna in the southern Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/08 More Info	Use of a population model to assess the impact of longline fishing on wandering albatross populations Moloney, C.L., J. Cooper, P.G. Ryan and W.R. Siegfried Abstract: An age-structured model of a wandering albatross Diomedea exulans population is developed to simulate population trends over time, using demographic parameters from the population at Possession Island Crozets, during 1968 to 1986. The simulation results portray a population decreasing at a rate of 2.29% per year, which concurs with global population trends. Sensitivity analyses of model Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/09 More Info	Reduced bait loss and bycatch of seabirds in longlining by using a seabird scarer Løkkeborg, S. and Å. Bjordal Abstract: Although longlining is regarded as a highly conservation oriented method of fishing, bycatch of seabirds on longlines is a problem in certain seasons and areas. Birds feeding on the bait during setting of the gear might cause considerable bait loss and occasional hooking of birds might eventually give high mortalities considering the large amounts of hooks used. Both from a fishery and bird Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/10 More Info	Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems Imber, M.J. Abstract: Incidental captures of seabirds, and the behaviour of seabirds around the fishing gear as it was deployed, were observed during 8-days' fishing of a New Zealand-owned tuna long-liner. From 11,200 hooks set 6 seabirds were hooked and recovered: 5 Wandering Albatross Diomedea exulans of which 3 were released alive, and one Black-browed Mollymawk D. melanophrys impavida. Relatively more birds Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Publication: Imber, M.J. 1994. Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems. Dept. of Conservation, Wellington, NZ: 12 pp. Request Meeting Document
WG-IMALF-94/11 More Info	Changes in population size of large Procellariiformes breeding in the French sub-Antarctic islands: potential influence of southern fisheries and particularly long lining Weimerskirch, H. and P. Jouventin Abstract: Studies carried out over the past three decades in the French austral territories indicate that most albatross and giant petrel populations have markedly declined. Demographic studies indicate that these declines are mainly the result of increased adult mortality. This high rate of mortality has been suspected to be the result of mortality incurred in long-line fisheries. Satellite tracking Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/12 More Info	Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality Cherel, Y., H. Weimerskirch and G. Duhamel Abstract: In recent years, a new longline fishery for the fish Dissostichus eleginoides has developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding areas for procellariiform birds. Attractiveness of this fishery for seabirds, together with the incidental capture of birds and a method to reduce mortality were investigated during 13 days of fishing Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/13 More Info	Entanglements and incidental mortality of birds and seals - summary of reports to CCAMLR, 1985 to 1993 CCAMLR Secretariat Abstract: This paper summarises the incidence of entanglements and incidental mortality of birds and seals reported by CCAMLR Members for the CCAMLR Convention Area and adjacent waters from 1985 onwards. A bibliography on entanglement, incidental mortality and effects of marine debris on seabirds and marine mammals is attached. The bibliography includes references taken from papers submitted to CCAMLR Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/14 More Info	Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994 Jones, C. and G. Parkes Abstract: A method of surveying incidental mortality of seabirds during longlining operations and the effectiveness of mitigation measures is described. An alternative design of streamer line for use with the 'Spanish' method of longlining (separate hauling and fishing lines) is described. The results of observations of incidental mortality of seabirds made during the fishing operations of the Korean Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/15 More Info	Seabird interactions with long-lining operations for Dissostichus eleginoides around South Georgia, April-May 1994 Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno Abstract: Long-lining operations for Dissostichus eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty-seven lines were observed and ninety-eight mortalities recorded over twenty sets of the line; no mortalities occurred during hauls. The 16 sets made at night contributed 15% of the overall mortality, all of white-chinned petrels: the four day time Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/16 More Info	Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia Ashford, J.R. and P.S. Rubilar Abstract: Longlining operations for Dissostichus eleginoides around South Georgia were assessed for interactions with sea mammals. Twenty-seven lines were observed and interactions recorded during twenty-five of these. During setting of lines neither mortalities nor interactions were recorded. All interactions occured during hauling operations, both during the day and at night. Killer whales (Orcinus Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/17 More Info	Mortality of albatrosses and other seabirds produced by tuna long-line fisheries in Uruguay Barea, L., I. Loinaz, Y. Marin, C. Ríos, A. Saralegui, A. Stagi, R. Vaz-Ferreira and N. Wilson Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/18 More Info	Seabird mortality from longline fisheries: evidence from Marion and Gough Islands Cooper, J. Abstract: Two tuna longline fishing hooks have been recovered from beside Wandering Albatross Diomedea exulans nests at Marion Island in the 1990s. No hooks have been found at Gough Island and no birds have been found dead ashore on either island as a result of fishing gear. Recoveries of banded birds at sea suggest Wandering Albatrosses are more at risk to being hooked than are giant petrels Read More Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/19 More Info	Principles of birdline construction and use to reduce bait loss and bird deaths during longline setting Brothers, N. Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/20 More Info	Catching Fish Not Birds A guide to improving your longline fishing efficiency (English version) Brothers, N. Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/21 More Info	Population trends and vulnerability to tuna longlining bycatch of albatrosses, mollymawks and Procellaria petrels of New Zealand seas Imber, M.J. Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/22 More Info	Aspects of seabird bycatch and its mitigation in the NZ longline fishery for tuna Imber, M.J. Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/23 More Info	Cooperative analysis of New Zealand seabird bycatch data - interim report Delegation of New Zealand Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document
WG-IMALF-94/24 More Info	Influence of bait quality on seabird mortality and economic losses in longline fishing: an experimental approach Brothers, N., A. Foster and G. Robertson Submitted By: Admin Admin (CCAMLR Secretariat) Approved By: Admin Admin (CCAMLR Secretariat) Request Meeting Document

Agenda

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Documents

WG-IMALF-94/01	Agenda CCAMLR Secretariat
WG-IMALF-94/02	List of participants CCAMLR Secretariat
WG-IMALF-94/03	List of documents CCAMLR Secretariat
WG-IMALF-94/04	Seabirds mortality on longline fishing for tuna in southern Brazil Vaske, T., Jr.
WG-IMALF-94/05	Seabird mortality in longline fisheries around South Georgia Dalziell, J. and M. de Poorter
WG-IMALF-94/06	Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean Brothers, N.
WG-IMALF-94/07	Population dynamics of the wandering albatross (Diomedea exulans) on Macquarie Island and the effects of mortality from longline fishing de la Mare, W.K. and K.R. Kerry
WG-IMALF-94/08	Use of a population model to assess the impact of longline fishing on wandering albatross populations Moloney, C.L., J. Cooper, P.G. Ryan and W.R. Siegfried
WG-IMALF-94/09	Reduced bait loss and bycatch of seabirds in longlining by using a seabird scarer Løkkeborg, S. and Å. Bjordal
WG-IMALF-94/10	Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems Imber, M.J.
WG-IMALF-94/11	Changes in population size of large Procellariiformes breeding in the French sub-Antarctic islands: potential influence of southern fisheries and particularly long lining Weimerskirch, H. and P. Jouventin
WG-IMALF-94/12	Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality Cherel, Y., H. Weimerskirch and G. Duhamel
WG-IMALF-94/13	Entanglements and incidental mortality of birds and seals - summary of reports to CCAMLR, 1985 to 1993 CCAMLR Secretariat
WG-IMALF-94/14	Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994 Jones, C. and G. Parkes
WG-IMALF-94/15	Seabird interactions with long-lining operations for Dissostichus eleginoides around South Georgia, April-May 1994 Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
WG-IMALF-94/16	Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia Ashford, J.R. and P.S. Rubilar
WG-IMALF-94/17	Mortality of albatrosses and other seabirds produced by tuna long-line fisheries in Uruguay Barea, L., I. Loinaz, Y. Marin, C. Ríos, A. Saralegui, A. Stagi, R. Vaz-Ferreira and N. Wilson
WG-IMALF-94/18	Seabird mortality from longline fisheries: evidence from Marion and Gough Islands Cooper, J.
WG-IMALF-94/19	Principles of birdline construction and use to reduce bait loss and bird deaths during longline setting Brothers, N.
WG-IMALF-94/20	Catching Fish Not Birds A guide to improving your longline fishing efficiency (English version) Brothers, N.
WG-IMALF-94/21	Population trends and vulnerability to tuna longlining bycatch of albatrosses, mollymawks and Procellaria petrels of New Zealand seas Imber, M.J.
WG-IMALF-94/22	Aspects of seabird bycatch and its mitigation in the NZ longline fishery for tuna Imber, M.J.
WG-IMALF-94/23	Cooperative analysis of New Zealand seabird bycatch data - interim report Delegation of New Zealand
WG-IMALF-94/24	Influence of bait quality on seabird mortality and economic losses in longline fishing: an experimental approach Brothers, N., A. Foster and G. Robertson