Résultats de la recherche

1. Variability and predictability of Antarctic krill swarm structure

   Abstract:  Swarming is a fundamental part of the life of Euphausia superba, yet we still know very ... little about what drives the considerable variability in swarm shape, size and biomass. We examined ... swarms across the Scotia Sea in January and February 2003 using a Simrad EK60 (38 kHz, 120 kHz ... greater. Further sub-divisions of these types identified small and standard swarms within the type 1 group ...

   Meeting Document : WG-EMM-10/P10 : Auteur(s): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper

2. Improving CCAMLR’s monitoring and control of transhipments

   CCAMLR members with a strong resource to help address current gaps in the monitoring of transshipments ... compliance issues discussed in SCIC, CCAMLR considered proposed revisions to existing measures to improve the ... monitoring and control of transshipments in 2014 [1], 2015 [2], and 2016 [3]. Despite robust consideration ... .  The United States looks forward to reviewing the report’s findings and, with due consideration of the ...

   Meeting Document : CCAMLR-XXXVI/BG/17 : Auteur(s): Delegation of the USA

3. CEMP data summary and updated analysis of CEMP data from Subarea 48.

   submitted to the Secretariat. An update on the spatial analysis of CEMP data in subarea 48.1 using Combined ... Abstract:  The CCAMLR Ecosystem Monitoring Program (CEMP) was established to detect changes in the ... in accordance with the ‘ecosystem approach’.  This report provides: Details on CEMP data that have ... been submitted for 2016/17, including an area-based comparison of the 2016/17 observations with  the ...

   Meeting Document : WG-EMM-17/17 : Auteur(s): CCAMLR Secretariat

4. Net-based verification of acoustic techniques used to identify Antarctic krill

   . Using the SDWBA model, dB difference identification ranges based on the length-frequencies of krill in ... frequency techniques. Such results indicate that use of the present SDWBA-derived ranges in the CCAMLR 3 ... during two cruises to the South Georgia region in 1996. For each net-sampled aggregation the differences ... of 2-16 dB and (iv) '2 freq 2-12'-with an Sv120-38 range of 2-12 dB The '3 freq model ...

   Meeting Document : SG-ASAM-09/04 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

5. Discrimination Between Larval and Juvenile Specimens of Euphausia superba from Gut Contents

   Abstract:  Based on the change in the allometric relations between the antennular spine and body ... length in the passage from Furcilia VI to juvenile in Euphausia superba lineal discriminant functions ... resulted highly correlated (R=0.95); allowing the use of the method when body length is not available ... calculated on an independent sample resulting reasonably low (3 out of 28 specimens). Body and Telson lengths ...

   Meeting Document : WG-CEMP-89/17 : Auteur(s): E. Marschoff and M. Ravaglia (Argentina)

6. Fecundity and egg size of Lithodid crabs from CCAMLR Subarea 48.3

   Abstract:  The fecundity and egg size of three species of lithodid crab caught in CCAMLR Subarea ... significantly between species. The highest relative fecundity and smallest egg size was found in Paralomis ... spinosissima which is found in shallower waters, whereas the lowest relative fecundity values and largest eggs ... were recorded in the deeper living species, Neolithodes diomedeae. In all species fecundity was ...

   Meeting Document : WG-FSA-02/27 : Auteur(s): S.A. Morley, M. Belchier, J.D. Dickson and T.M. Mulvey (United Kingdom)

7. An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data

   of the tagging work undertaken under the auspices of CCAMLR in the Southern Ocean with comments on ... taxonomic and identification problems, this makes the tagging studies undertaken in the CCAMLR area a ... conducted in the CCAMLR area for several years now, only preliminary observations have been presented to ... tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ...

   Meeting Document : WG-FSA-13/33 : Auteur(s): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)

8. Networks and tools to enhance collaboration and coordination of observational activities

   held between the Southern Ocean Observing System (SOOS) and CCAMLR in April 2018 to: Improve ... understanding of roles and operations between the two communities Identify reciprocal pathways of communication ... for exchange of information Identify synergies in data requirements and data management planning This ... participants made a number of recommendations. All recommendations pertaining to Objective 3 are covered in SC ...

   Meeting Document : SC-CAMLR-XXXVII/BG/31 : Auteur(s): Submitted by SOOS

9. Geographic aspects of Euphausia superba resources exploitation

   . Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... as related changeability of aggregation location in the open-ocean environment. Exploitation of ... adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ...

   Meeting Document : WG-KRILL-93/04 : Auteur(s): R.R. Makarov (Russia)

10. Geographic aspects of Euphausia superba resources exploitation

    ° Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... as related changeability of aggregation location in the open-ocean environment. Exploitation of ... adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ...

    Meeting Document : WG-CEMP-92/31 : Auteur(s): R.R. Makarov (Russian Federation)

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