Search results
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Integrated weight longlines with paired streamer lines – best management practice for demersal longline fisheries: preliminary results
) and integrated weight longlines (IW-50 g/m) with and without paired streamer lines (PS) in seabird ... mitigation trials targeting Pacific cod in the Bering Sea, Alaska, USA. Our objective was to evaluate IW as a ... difference did not manifest itself in the context of commercial fishing as increased line separations. We ...
Meeting Document : WG-FSA-06/52 : Author(s): K. Dietrich, E. Melvin and L. Conquest (USA)
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Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia
Abstract: The distribution of whales and krill in two survey boxes north of South Georgia was ... density where whales were not recorded. In particular whales were absent from inshore areas (up to 300 m ... structure and density. Such information may also be crucial to understanding the role of scale-dependence in ...
Meeting Document : WG-EMM-99/30 : Author(s): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
. Comparison with the 1990/91 and 1991/92 litter surveys showed a dramatic drop in both the weight of debris ... show a very encouraging decline in the incidence of marine debris. However, the reasons for the decline ... are unclear. It may be due to a reduction in fishing activity around the South Orkney Islands because ...
Meeting Document : CCAMLR-XII/BG/07 : Author(s): Delegation of United Kingdom
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Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... 9.3% per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ...
Meeting Document : WG-EMM-10/P15 : Author(s): M.N. Bester, P.G. Ryan and J. Visagie
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A feedback approach to Ecosystem Based Management: model predictive control of the Antarctic krill fishery
in the Southern Ocean. Feedback approaches in fisheries management usually include harvest control ... rules based on their predicted performance in a model of the controlled system. Here we use MPC to ...
Meeting Document : WG-EMM-12/19 : Author(s): S. Hill and M. Cannon (United Kingdom)
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Method for collecting of data on traumatic death of krill passed through the trawl meshes
different constructions including beam-trawl for several last decades. Not all krill in harvesting zone of ... krill individuals some part of them could pass through cover of net bag and escape of catch. In contact ... , caught in these special bags krill is took out and then put into a special baths with sea water for ...
Meeting Document : WG-EMM-12/43 : Author(s): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
that, within their main population centre in the southwest Atlantic sector, the distribution of ... the Antarctic shelves. A concomitant increase in mean body length reflects reduced recruitment of ... , with associated nonlinear adjustments in the roles of keystone species, poses challenges for the ...
Meeting Document : WG-EMM-2019/P02 : Author(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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KPFM2, be careful what you ask for – you just might get it
the WG-EMM in 2005. The new version of our model is called KPFM2, and we have addressed all four of ... thresholds in krill density that cause fishing to cease, and compute a performance measure that compares the ... the model. In our opinion, KPFM2 can be a useful tool for evaluating the outcomes of the six ...
Meeting Document : WG-EMM-06/22 : Author(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise
Abstract: A multi-disciplinary research cruise in the Atlantic sector of the Southern Ocean was ... ICEFISH cruise trawl deployments was 9105 specimens of 29 species. A wide contrast in finfish and ... South Sandwich Islands and Bouvetoya, where the isolation of the latter island likely played a role in ...
Meeting Document : WG-FSA-04/61 : Author(s): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)
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Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
collected from 34 stations of fishing area 58 in Indian Ocean sector of Antarctic region between lat.57°53 ... most abundant size in the fishing area 58. The average sex ratio of male and female Euphausia superba ... the feeding of krill and availability of food in the area surveyed. Maturity stage IV (fully matured ...
Meeting Document : WG-EMM-98/37 : Author(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)