Résultats de la recherche

1. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   (hooks/cluster) with Generalised Linear Models (GLMs). The model with total hook numbers was preferred ... with the lowest Akaike’s Information Criterion (AIC), however standardised catch rates over the fishing ... season differed little between the models with the three effort units, so the effect of the choice of ... effort unit on the estimated standardised catch rates is small. The parameters with the largest effects ...

   Meeting Document : WG-SAM-2019/25 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

2. DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean

   Abstract:  The genus Macrourus is a small group of bentho-pelagic fishes with three species ... barcoding revealed low intra-species (0.0-0.002) and inter-species (0.006-0.020) sequence divergences, with ... same Ross Sea region specimens classified individuals into two groups: one with 9 pelvic fin rays, pale ... body colour, and a single row of relatively long teeth, and a second group with 8 pelvic fin rays, dark ...

   Meeting Document : WG-FSA-10/33 : Auteur(s): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)

3. Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?

   waters as they age and increase in size and, in combination with the practical difficulties associated ... with deploying fishing gear at increasing depths, there is the potential for a dome shaped selection ... with age and size to arise. However this type of selection pattern is associated with the estimation of ... age with depth, is suggested as an indicator that a dome selection pattern is unlikely in the 48.3 ...

   Meeting Document : WG-SAM-15/29 : Auteur(s): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)

4. NCP Engagement Strategy and review

   Abstract:  Efforts to engage NCPs have so far met with modest success. The Secretariat proposes to ... work with Members on a new approach in 2019, targeting NCPs that are important in toothfish trade with ... Members, and working with those Members to approach the NCPs. Author(s):  CCAMLR Secretariat Title:  NCP ...

   Meeting Document : CCAMLR-XXXVII/BG/07 : Auteur(s): CCAMLR Secretariat

5. Ecosystem indicators: factors affecting the choice of predator performance indices for use in monitoring programmes

   . Using indices of predator performance from four species of krill-eating predator together with ... the summer showed the closest relationship with krill abundance, especially those for species with ... parameters showed no functional response relationship with annual krill abundance estimates. Combining the ... summer parameters into a single combined index provided a better fit with the krill data than any of the ...

   Meeting Document : WG-EMM-03/43 : Auteur(s): K. Reid (United Kingdom)

6. CLIMATE CHANGE AND THE ANTARCTIC MARINE ENVIRONMENT: MANAGEMENT IMPLICATIONS

   and timescales, of the various processes consequent on climate change. With current levels of ... greatest amount. All of the risks described in this paper probably vary with latitude and longitude, with ... regional climate change, with local intensity of fishing or tourism, and with local foodweb structure, etc ...

   Meeting Document : WG-EMM-09/24 : Auteur(s): P.N. Trathan and D. Agnew (United Kingdom)

7. Report on the CCAMLR Marine Debris monitoring program

   decreased, while debris associated with wandering albatrosses increased considerably from the previous year ... Abstract:  Data on beach surveys, debris associated with seabird colonies, marine mammal ... trawl origins. Plastic packaging bands continue to be found in beach surveys, with an increase in open ... associated with grey-headed albatrosses remains consistent, debris associated with black-browed albatrosses ...

   Meeting Document : WG-FSA-15/15 : Auteur(s): CCAMLR Secretariat

8. Relations avec d'autres organisations : Coopération avec les ORGP

   Abstract:  This paper updates developments in relation to CCAMLR’s relations with organisations so ... .  It includes a summary of the status of the establishment of formal relations with the Southern Indian ... with other organisations: Cooperation with RFMOs Microsoft Word File:  e-cc-xxxvi-10r1.docx Approval ...

   Meeting Document : CCAMLR-XXXVI/10 Rev. 1 : Auteur(s): CCAMLR Secretariat

9. Trade data analysis – Annual report of global toothfish trade data

   sources for the trade of toothfish products for the 2018 calendar year. The analysis has identified that ... forms with mean unit values of 24.03 US$/kg for imports and 23.40 US$/kg for exports. The data ... importer, with 28.33% of global imports. France was estimated to be the largest exporter, with 18.61% of ... between global trade data and the CDS found that they are similar for imports with a 4.43%, but vastly ...

   Meeting Document : CCAMLR-38/BG/09 : Auteur(s): CCAMLR Secretariat

10. On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements

    Abstract:  Comparative analysis of krill length distribution in the echosurvey area, obtained with ... situ at the frequency of 120 kHz as measured with echosounder EK-500 (split-beam) principle). Krill was ... caught with the commercial trawl RT 741448. It was shown that differences between krill length ... considerable (statistically significant). Besides, krill length estimates, obtained with acoustic method, were ...

    Meeting Document : WG-EMM-98/19 : Auteur(s): S.M. Kasatkina (Russia)

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