Search results
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Validating the Gasco-method for depredation estimation in Subarea 48.3
fisheries have a data collection programme that is sufficiently long established, or detailed, to allow for ... model estimation of the lost catch. A new method was developed in 2014 that used an observed change in ... spatial patterns. Author(s): M. Söffker and T. Earl Title: Validating the Gasco-method for depredation ...
Meeting Document : WG-SAM-16/32 : Author(s): M. Söffker and T. Earl
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Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean
therefore suggest that these mesoscale oceanographic features may be an important component of the ‘life ... association with mesoscale oceanographic features, as identified by sea surface height anomalies, in the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ... anomalies are in fact eddies that are created as the Antarctic Circumpolar Current crosses the South-West ...
Meeting Document : WG-FSA-01/12 : Author(s): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)
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Updated impact assessment framework to estimate the cumulative footprint and impact on VME taxa of bottom longline fisheries in the CCAMLR Area
submitting new and exploratory fishery notifications should estimate impacts on VMEs associated with their ... guidance as to how the framework might best be applied. This paper updates the impact assessment taking ... negatively correlated with depth. Impact estimates are summarized separately for each of 17 benthic ... experiencing different levels of impact, as advised by WG-SAM 2010 (paragraph 4.18). We conclude that the ...
Meeting Document : WG-FSA-10/31 : Author(s): B.R. Sharp (New Zealand)
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
modifying the estimates from the models, suggesting that the new data had a similar pattern to that of ... numbers scanned, but smaller increase in the reported numbers recaptured. It is likely that this ... than the 2006 reference case, with the use of the lower M (0.13 y-1 rather than 0.15 y-1) resulting in ... slightly lower productivity, the yield estimate from the revised parameters model are likely to be slightly ...
Meeting Document : WG-FSA-SAM-06/11 : Author(s): Dunn, A. & Hanchet, S.M.
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A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea
paper. Different MPs are simulation tested with their performances being compared on the basis ... . Different MPs are simulation tested with their performances being compared on the basis of an agreed set ...
Meeting Document : WG-EMM-06/12 : Author(s): É. Plagányi and D. Butterworth (South Africa)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15
changes in CPUE that were not consistent with biologically driven changes in abundance and are considered ... Abstract: This report summarises the timing, depth, and location of fishing effort together with ... not to be indexing abundance. Length frequency distributions of Antarctic toothfish in the Ross Sea ... similar to that in the early period of the fishery – the reason for this is unclear. There has been a ...
Meeting Document : WG-FSA-15/36 : Author(s): K. Large, S.M. Hanchet and S. Mormede (New Zealand)
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
evenly distr ibuted between August 1990 and September 1994, we have a total of 9 518 location uplinks ... % of their uplinks were over the South Georgia shelf, most of the remainder being in one or two specific areas ... that D. exulans breeding at South Georgia have a relatively low potential risk of interaction with ... comprehensive use, we recommend that the South Georgia longline fishery for D. eleginoides should be managed in ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Author(s): Croxall, J.P. and P.A. Prince
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IUU fishing activity and trends in 2018/19 and IUU Vessel Lists
and vessel activity relevant to CCAMLR from October 2018 to August 2019. Instances of unidentified fishing ... activity relevant to CCAMLR from October 2018 to August 2019. Instances of unidentified fishing gear ...
Meeting Document : CCAMLR-38/12 Rev. 1 : Author(s): CCAMLR Secretariat
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
melanophrys) which breed at the Diego de Almagro Islands (15 594 pairs in 2001/02) (Lawton et al., 2003 ... for Dissostichus eleginoides between October and December 2006. Vessel Number of sets using the new mix design ... ) obtained during the fishing season for a vessel from the fleet for the last five years, from 2001 to 2005 ... 0,5 0,6 Sept Oct Nov Dec FISHING SEASON (MONTHS OF 2006) C PU E K g / H oo k 2000 2001 ... modified artisanal system, which includes a net sleeve that is placed on secondary vertical lines, has ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... then compared with similar data obtained in 2002 in the same fleet in the same fishing grounds prior to ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter
krill consumed which could be compared directly with the spatial distribution of the tonnes of krill ... was restricted to three small areas on shelf edges, such that their spatial overlap was negligible ... far less than that among the various other species of krill predators that occur in the Scotia Sea ... . Horswill and P.N. Trathan (United Kingdom) Title: Do krill fisheries compete with macaroni penguins ...
Meeting Document : WG-EMM-14/02 : Author(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)