Resultados de la búsqueda
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Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19
Planning Domain 1 encompasses the major krill fishing grounds. Thus, data supporting FBM are critical if ... , availability and predator needs as opposed to purely conservation-based measures. A future developed FBM system ... , requires acoustic data to be collected, processed and reported continuously during the fishing season as a ... Norway, Association of Responsible Krill fishing companies (ARK) and the Norwegian fishing company Aker ...
Meeting Document : WG-EMM-2019/07 : Autor(es): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn
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On the problem of by-catch of juvenile fish in krill fishery
large by-catch of juvenile fish, krill fishing should not be conducted in shallow waters over the ... conducted during 1985-1988 in the Kosmonavtov and Sodruzhestva seas (Antarctic Indian Ocean sector). Isaacs ... Abstract: Studies of by-catch of juvenile fish in krill catches by research vessels were ... species of fish in krill catches were Pleuragramma antarcticum, Electrona antarctica and Trematomus ...
Meeting Document : WG-FSA-92/10 : Autor(es): C.A. Pankratov and E.A. Pakhomov (Ukraine)
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
Paper Title: Estimating confidence intervals for fish stock abundance estimates from trawl ... fish and the coefficient of variation (CV) is high. The upper confidence bound appears to be slightly ... maximising the log-likelihood function for close to the nominal percentage of coverage, with each trial ... lower confidence bound estimates appear to be quite reliable and close to the nominal percentage (2.5 ... com%ination of strata. The column Low C.I. True gives the percentage of trials for which the ... . < True is defined in an analogous way. The final column is the total percentage of trials in which the ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Autor(es): de la Mare, W.K
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Penguin foraging behavior in relation to the distribution of prey
midnight, with a reduction in effort around dawn and dusk (local apparent time). The mean and maximum depth ...
Meeting Document : WG-KRILL-93/47 : Autor(es): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K. Jansen (USA)
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Monitoring, control and surveillance undertaken by Chile during 2017/18 season
Abstract: Within the framework of the Commission for the Conservation of Antarctic Marine Living ... Resources (CCAMLR), the Government of Chile conducts Fishing Inspection Operations to the area of the ...
Meeting Document : CCAMLR-XXXVII/BG/18 : Autor(es): Delegation of Chile
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2
. fisheries in the southern Indian Ocean sector. In particular, the paper considered the potential for ... recommended that SSRUs with a yield of less than 20 tonnes be closed to fishing. 5. By-catch of fish and ... Conservation measures ............................................................ 12 8.2 Management advice ... tonnes could be taken in SSRU E (see Figure 1). The other SSRUs (B, C and D) were closed to fishing ...
Document : Site Section: Publications
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INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA
a limited number of fish, most of which were from the southern area, therefore not on obviously ... areas and very few of those found in the southern areas had spawned. As the GSI values of fish caught in ... since only a third there are mature. Any other movements would have to be outside of the fishing season ... vitellogenic fish with low GSI values, in some cases below 1%. In most studies there was little if any ...
Meeting Document : WG-FSA-08/48 : Autor(es): S. Mormede, S. Parker and P. Grimes (New Zealand)
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Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region
younger fish were found predominantly in southern areas of the Ross Sea shelf, mature fish on the slope ... . These include testing alternative model assumptions around fishing selectivity, maturity and migrations ... -structured model that categorised fish as immature, mature, pre-spawning, spawning, or post-spawning ... and spawning fish in the northern areas of the Ross Sea region. Fits to the observations were ...
Meeting Document : WG-SAM-13/35 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 48.6 in 2014/15
-2014 fishing seasons in Subarea 48.6, 3,589 Dissostichus spp. were tagged and released, but only 4 ... increased to get more recapture. The food-web of Dissostichus spp. has started to be studied in the southern ... Ross Sea and 58.4.1. Some studies on biology of the fish have been evaluated, but those are not enough ...
Meeting Document : WG-FSA-14/37 : Autor(es): Delegation of the Republic of Korea
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Division 58.4.2 in 2014/15
fishing seasons in Division 58.4.2, 1,618 Dissostichus spp. were tagged and released, but any tagged fish ... get more recapture. The food-web of Dissostichus spp. has started to be studied in the southern Ross ... Sea and 58.4.1C. Some studies on biology of the fish have been evaluated, but those are not enough to ...
Meeting Document : WG-FSA-14/39 : Autor(es): Delegation of the Republic of Korea