Résultats de la recherche
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Preliminary aspects of a simulation model to be used for evaluating the experimental crab fishery
Antarctic crab fishery. A simulation model is proposed for conducting this work. Length frequency and catch ... recruitment relationship, and a model for catch that contains a random normal deviate. Finally, an algorithm ... simulation. This algorithm is based on the idea that each fishing vessel constructs a map of expected catch ...
Meeting Document : WG-FSA-94/26 : Auteur(s): G. Watters (USA)
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Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries
these fisheries. The inclusion of catch at age data is shown to substantially improve the precision of ... the stock assessment in Division 58.5.2 compared to a scenario using only catch at length data. The ... catch at age data remains a high priority for toothfish fisheries. A costing breakdown for otolith ...
Meeting Document : WG-FSA-12/P07 : Auteur(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
sperm and killer whales on fish catch rate was assessed during September–December 2006. The results were ... zero in 2006; there was also a reduction in depredation of the catch from a maximum of 5% in 2002 to a ... maximum of 0.36% of the total catch in 2006. The fishers who developed the net sleeve modification called ... to seabird mortality and depredation by sperm and killer whales on fish catch rate was assessed ... depredation of the catch from a maximum of 5% in 2002 to a maximum of 0.36% of the total catch in 2006. The ... catch, or the aggregation of individuals around the ves- sel with no apparent connection to fishing ... depre- dation with ‘almost the entire catch’ lost from some lines. Off Chile, sperm whales have been ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
biogeography of the pelagic species. The SB is the northern limit of Euphausia superba and the ASF clearly ...
Meeting Document : WS-MPA-11/07 : Auteur(s): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
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Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
interactions were observed at night. Catch rates were significantly lower (P > 0.05) when killer whales were ... /hook; 48.5 fish/1000 hooks). The same trend was, however, not observed for catch rates when sperm ... whales were present during hauling (0.32 kg/hook; 51.9 fish/1000 hooks). Catch rates were in fact ... likely that sperm whales were attracted to areas with high catch rates, but in areas with lower catch ...
Meeting Document : WG-FSA-03/27 : Auteur(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)
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The results of performance of tagging programs of the Korean exploratory fishery for Dissostichus spp. in 88.1 in the 2010/11 season
on Dissostichus spp. and by-catch such as their distribution, size, sex, weight, etc. This paper ... presented the results from the fisheries and comparison of statistics in each SSRU. Total catch including by ... -catches in 88.1 BCJL were 35,436 fishes. Dissostichus Spp. was the highest catch, contributing 99.62% to ... 88.1B and C, a depth of 600 to 700 in 88.1J and L. The composition of the by-catch species was WGR, ANT ...
Meeting Document : WG-FSA-11/54 : Auteur(s): T. Jung and H.J. Choi (Republic of Korea)
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
. Catch rates of pre-recruit toothfish were highest between 500 and 900 m and very low shallower than 450 ... toothfish, the survey provided the opportunity to compare catch rates in 2012 with historical catch rates by ... CPUE analysis suggest that there has been no significant change in catch rates in the southern Ross Sea ...
Meeting Document : WG-SAM-12/29 : Auteur(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Krill fishery report: 2006 update
preliminary estimate of the total catch of krill for the season is approximately 97090 t. This compares with ... observer data; Time series of catch by season, Contracting Party and small-scale management unit; Species ... composition of by-catch; Occurrence of incidental catches of seabirds and mammals; Development of measures of ...
Meeting Document : WG-EMM-06/5 : Auteur(s): Secretariat
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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
implementation based upon the results of the trials. Given the importance of an adequate catch rate for the ... probability of securing a catch rate increase, whatever the current resource status. MP performance is ... steepness h is low. These tests also indicate that monitoring of future catch-at-length information would be ...
Meeting Document : WG-SAM-08/11 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)
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Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)
Abstract: Catch rate and catch composition of male snow crabs were compared for four sampling ... ; and 5) catch per unit effort for both large- and small-clawed crabs increased with depth for all ...
Meeting Document : WS-CRAB-93/11 : Auteur(s): J.M. Hoenig and E.G. Dawe (USA)