Résultats de la recherche
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Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
-2018), which was mainly destined towards testing its fishing systems and new equipment installed for ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... Document Release Consent: No Delegation responsibility for releasing documents: Chile ... captured krill are recorded per trip and Subarea. Additionally, information is given on the yield obtained ...
Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
the austral summer, in absence of darkness. There are two methods for “in situ” target strength ... problems, since the first Italian expedition to the Ross Sea (1989-90), a two – frequency method for the ... abundance of the two populations can be estimated by single-frequency acoustics, using the standard echo ... an echo coming from an isolated organism, with no interference from noise or other targets. It means ...
Meeting Document : WG-EMM-01/63 : Auteur(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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Validation of sink rates of longlines measured by two different methods
bottles may be an appropriate means for measuring sink rates to shallow depths (> 5 m) that they should ... Abstract: We measured sink rates of longlines using two different methods: one was string wrapped ... %), for example, with string becoming entangled or bottles vanishing from sight. We recommend while ... not be used for estimating sink rates to greater depths. Author(s): B. Wienecke and G. Robertson ...
Meeting Document : WG-FSA-03/62 : Auteur(s): B. Wienecke and G. Robertson (Australia)
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
restricted to an initial ceiling (Cc) for a 5 year period, with a reference CPUE level (CPUEref) calculated ... Abstract: An operational management procedure for krill in sub-Areas 48.1 + 48.2 + 4 48.3 ... requires a basis for the assessment of resource status, and an algorithm for specifying the levels of ... and selecting a procedure requires a basis for the simulation testing of procedures, and an ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Auteur(s): Delegation of South Africa
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Comparison of age readings by two otolith preparation techniques and readers
” techniques were used to prepare otoliths and each were read by an experienced reader from each program. The ... between fish ageing programmes. The criteria for determining similar age interpretation used here (mean ... : Comparison of age readings by two otolith preparation techniques and readers Approval: Approved ...
Meeting Document : WG-FSA-14/53 : Auteur(s): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
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Relationships between distribution of two euphausiid species and oceanographic characteristics in the Ross Sea (January–February 2000)
Abstract: During austral summer (January 21st to February 5th) 2000 an oceanographic cruise ... , devoted to study two krill species (Euphausia superba and Euphausia crystallorophias), was carried out in ... between the two species. Euphausia superba and Euphausia crystallorophias swarms were recognized, and ... and size. Characteristics (dimensions, volume, weight, krill mean length) for each krill swarm were ...
Meeting Document : WG-EMM-02/38 : Auteur(s): A. Russo, M. Azzali, E. Biffi, G. Lanciani and E. Paschine (Italy)
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Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach
useful tool to elucidate the flow of energy and trophic interactions in an ecosystem and to analyse the ... composition (nitrogen, δ 15 N and carbon, δ 13 C) of muscle tissue from two sympatric Antarctic fish species ... Islands. For both nototheniids, potential food sources from the benthic community (algae, amphipods ... /Isla 25 de Mayo. Significant differences in FA and SI composition between the two fish species (δ 15 N ...
Meeting Document : WG-FSA-2019/26 : Auteur(s): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
with Article II of the Convention for the Conservation of Antarctic Marine Living Resources. Author(s ... typically covered by seasonal sea-ice become ice free in some winters (Stammerjohn et al. 2008). For ... , compared to summer. In Bransfield Strait, median krill abundance was an order of magnitude higher (8 krill ... m -2) compared to summer (0.25 krill m -2 ) regardless of ice concentration. Krill biomass was an ...
Meeting Document : WG-EMM-15/05 : Auteur(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
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A comparison of two different methods to age mackerel icefish (Champsocephalus gunnari) at South Georgia
the two methods were revealed. A number of suggestions including an Age Determination Worksop to be ... Zh.A. Frolkina (Russia) Title: A comparison of two different methods to age mackerel icefish ...
Meeting Document : WG-FSA-04/70 : Auteur(s): P. Gasyukov (Russia), K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)
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An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6
Abstract: This paper presents an updated stock assessment for the Patagonian toothfish ... (Sinègre et al., 2017b), this assessment accounts for (1) updated data (2017/2018 & 2018/2019) (2 ... Title: An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus ... season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ...
Meeting Document : WG-FSA-2019/57 Rev. 1 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron