Resultados de la búsqueda
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Steps carried out to check the data inputs to the stock assessment of the Ross Sea region of Antarctica
using them in a stock assessment of Antarctic toothfish (Dissostichus mawsoni). The R codes used in this ...
Meeting Document : WG-FSA-13/56 : Autor(es): S. Mormede (New Zealand) and S. Thanassekos (CCAMLR Secretariat)
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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 : Autor(es): 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 : Autor(es): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)
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RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA
Weddell Sea shelf off Austasen (Antarctica) during ‘Polarstern’ cruise ANT XXI/2 in December 2003 to ... disturbance became more evident in the composition of the fish fauna, with Trematomus pennelli and T. hansoni ... being dominant at disturbed sites, whereas Chionodraco myersi was the dominant species in trawl catches ...
Meeting Document : WS-VME-09/P05 : Autor(es): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.
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FISHING ACTIVITY AND SEABIRD-VESSEL ATTENDANCE NEAR THE NORTHERN ANTARCTIC PENINSULA
direction) and discards of fish and offal to determine whether they could be used to explain variability in ... presence of discard caused an increase in numbers of petrels and albatrosses. Our study is the first to ... examine seabird-vessel attendance to scientific trawling activities in Antarctic waters where there is a ...
Meeting Document : WG-FSA-08/11 : Autor(es): Jarrod A. Santora and Kimberly S. Dietrich (USA) and Darci Lombard (Canada)
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)
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Incorporation of science advice from the CCAMLR working groups and Scientific Committee into the krill assessment model for Subarea 48.1
Abstract: The integrated assessment for Antarctic krill (Euphausia superba) in CCAMLR Subarea ... 48.1 has been under development since 2010. Progress on the model during this period was reported in a ... enough to use for representing the population/subpopulation represented by krill in Subarea 48.1, or, if ...
Meeting Document : WG-SAM-17/32 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss