Résultats de la recherche

1. Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method

   estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... 2016 and 38 and 200 kHz from March 6 to 14 in 2017. Krill were collected by the commercial middle trawl ... v difference-3.0-13.8 dB in 2017, respectively. Krill density and biomass were significantly higher ... in 2016 than those in 2017. Author(s):  S.-G. Choi, K. Lee and D. An Title:  Estimating density and ...

   Meeting Document : WG-EMM-17/08 : Auteur(s): S.-G. Choi, K. Lee and D. An

2. CCAMLR fisheries: 2007 update

   , including availability of data, data-related developments in 2006/07, validation of CASAL files, catches in ... information can be found in WG-FSA-07/6, 07/7, 07/8 and 07/9 (summaries of observer data), SC-CAMLR-XXVI/BG/1 ... (catches in the Convention Area) CCAMLR-XXVI/12 (summary of notification for new and exploratory fisheries ...

   Meeting Document : WG-FSA-07/4 : Auteur(s): Secretariat

3. Address given to citizen’s marine summit, Japan By Dr I. Everson

   Abstract:  The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ...

   Meeting Document : CCAMLR-XII/BG/11 : Auteur(s): Delegation of United Kingdom

4. Proposal of the Russian Federation to open SSRU 882A for exploratory fishery of Dissostichus spp.

   toothfish in SSRU 88.2 A and adjacent SSRUs 88.1 K and L, and discussed a need to carry out background ... investigations considering insufficient information on this area, and how catch limits used in the Ross Sea can ... be applied for this SSRU. Investigations conducted by Russian scientists in SSRU 88.2A in 2010-2012 ...

   Meeting Document : WG-FSA-13/13 : Auteur(s): Delegation of the Russian Federation

5. Exploratory analysis of acoustic data from the Ross Sea

   conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ... . All line recordings were in water over 1000 m deep. Because of the spreading of the acoustic beam, the ... . Two types of pelagic layers were present in most acoustic recordings: a dense shallow layer between 30 ... present in some recordings and these tended to occur at 150–400 m depth, between the layer marks. The most ...

   Meeting Document : WG-FSA-SAM 03/9 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

6. UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA

   took into account uncertainty due to haul-level variability in catch-at-length proportions, ALK ... predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ... median score for all aged fish in the assessment was 3 but some fishery-by-year combinations had a higher ... value of 4. The output from the integrated assessment of most interest in this study is the CV of the ...

   Meeting Document : WG-SAM-09/09 : Auteur(s): S.G. Candy (Australia)

7. A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data

   trawl in Heard Island fishery were fitted using a von Bertalanffy (VB) growth model taking into account ... being a sharp decline in selectivity from 100% at 1000 mm down to 1% by 1600 mm. The VB curve fitted to ... relative to those for the LF sample were also included in defining relative probabilities, the VP maximum ... growth rate (AGR) for lengths measured at release and first recapture in mark-recapture studies were ...

   Meeting Document : WG-FSA-SAM-06/07 : Auteur(s): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)

8. Compliance requirements for an orderly development of the krill fishery

   in Statistical Division 58.4.2 Australia noted that while the scientific data supported an increase ... , such a large increase required the inclusion of other elements in the conservation measure to ... number of compliance measures that have proven successful in managing the toothfish fisheries that are ... catches at port in CM 10-03 (Port inspections of vessels carrying toothfish). o Components of CM 21-02 ...

   Meeting Document : CCAMLR-XXVI/31 : Auteur(s): Delegation of Australia

9. Management Plan for Antarctic Specially Protected Area (ASPA) No. XYX, Edmonson Point, Wood Bay, Victoria Land, Ross Sea

   Abstract:  Edmonson Point (74°20' S, 165°08' E) is located in Wood Bay, Victoria Land ... -free areas in Northern Victoria Land and was first identified in the 1980s as a site that could merit ... special protection. The site is representative in the sense that a wide range of freshwater habitats is ... present, and is considered excellent for studies on biogeochemical processes in lakes; vegetation is ...

   Meeting Document : WG-EMM-05/7 : Auteur(s): Delegation of Italy

10. A krill–predator–fishery model for evaluating candidate management procedures

    Statistical Area 48 amongst smaller spatial units in order to minimize the localized depletion of krill in ... necessary to evaluate these procedures in terms of their likely effects on krill and predator populations as ... well as fishery performance. This evaluation must be conducted in the context of considerable ... running the model in S-Plus and illustrate its use. Finally, we conclude that although our model ...

    Meeting Document : WG-EMM-05/13 : Auteur(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)

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