Résultats de la recherche

1. Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate

   condition and, therefore, on foraging success. This, in turn, might be affected by climatically driven ... change in the abundance of the species main prey, krill (Euphausia superba), on the feeding grounds ... between 1997 and 2013 in southern Brazil, where the species concentrate during their breeding season. The ... number of calves recorded each year varied from 7 to 43 (x = 21.11 ± 11.88). Using cross-correlation ...

   Meeting Document : WG-EMM-16/P06 : Auteur(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi

2. AN ECOSYSTEM-BASED MANAGEMENT PROCEDURE FOR KRILL FISHERIES: A METHOD FOR DETERMINING SPATIALLY-STRUCTURED CATCH LIMITS TO MANAGE RISK OF SIGNIFICANT LOCALISED FISHERIES IMPACTS ON PREDATORS.

   krill fisheries which draws together past experience in CCAMLR. It provides an empirical ecosystem ... Abstract:  In this paper, we develop an ecosystem-based, precautionary management procedure for ... of predator-prey dynamics beyond that evident in the data. It is a natural extension of the current ... . Consequently, its formalism means there is no need to undertake a staged approach in providing advice. The ...

   Meeting Document : WG-SAM-08/16 : Auteur(s): A. Constable and S. Candy (Australia)

3. An ecosystem-based management procedure for krill fisheries: a method for determining spatially-structured catch limits to manage risk of significant localised fisheries impacts on predators

   krill fisheries which draws together past experience in CCAMLR. It provides an empirical ecosystem ... Abstract:  In this paper, we develop an ecosystem-based, precautionary management procedure for ... of predator-prey dynamics beyond that evident in the data.  It is a natural extension of the current ... .  Consequently, its formalism means there is no need to undertake a staged approach in providing advice.  The ...

   Meeting Document : WG-EMM-15/36 : Auteur(s): A. Constable and S. Candy (Australia)

4. KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016

   this is stored in national archives, sometimes only in notebooks. In order to make these important data ... salp individual (multiple species, and whether singly or in chains). These were combined into a central ... , autecology, higher predator foraging and food web modelling in addition to fisheries management and ... 56 seasons in two epochs (1926–1939 and 1976–2016). Here, we illustrate the seasonal, inter-annual ...

   Meeting Document : WG-EMM-17/P03 : Auteur(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, R. Anadon, S. Chiba, K.L. Daly, R. Downie, S. Fielding, P. Fretwell, L. Gerrish, G.W. Hosie, M.J. Jessopp, S. Kawaguchi, B.A. Krafft, V. Loeb, J. Nishikawa, H.J. Peat, C.S. Reiss, R.M. Ross, L.B. Quetin, K. Schmidt, D.K. Steinberg, R.C. Subramaniam, G.A. Tarling and P. Ward

5. Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

   Abstract:  The current CCAMLR protocol specifies daytime acoustic sampling in order to avoid ... issues of diel changes in acoustic scattering strengths. However, due to logistic constraints, acoustic ... a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ... the South Orkney Islands since 2014, and in this report some of these data have been analysed in order ...

   Meeting Document : WG-EMM-2019/32 : Auteur(s): T. Klevjer, G. Skaret and B.A. Krafft

6. Fishery Report 2014: Champsocephalus gunnari South Georgia (Subarea 48.3)

   gunnari) grow rapidly to a maximum size of 55 cm, reaching a marketable size of 30 cm in three years ... season is represented by the year in which that season ended, e.g. 2014 represents the 2013/14 CCAMLR ... December 2013 and ended on 30 November 2014. The total catch of C. gunnari in 2014 was 33 tonnes. 5 ... precautionary harvest control rule, assuming there is no recruitment in the second year of the assessment ...

   Document : Site Section: Publications

7. Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

   coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... . 8 million tons of krill within the stratum in the peak year 2014. There were also consistently ... assessments, but the frequencies operated varied between vessels and years. In addition, the survey coverage ... has varied between years in particular due to ice. In order to allow for comparison of distribution ...

   Meeting Document : WG-EMM-15/54 : Auteur(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

8. SC-CAMLR-SSP-2

   meetings of the Scientific Committee and Working Groups of the Scientific Committee in 1985. Abstracts of ... years old. fish (age class II) which is presumably the recruit i ng year class . Varia- bility in ... estimates indicate a reduction in stock size to 10 ~ 20% of that estimated before the onset of heavy ... fishing. In C. gunnari the fishery is dependant on the abundance of the recruiting year class ... gunnari Except for one haul yield i ng 1. 4 t/30 min catches of C. gunnari were in general less than ...

   Document : Site Section: The Organisation

9. Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)

   scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... - 14.8-38 cm). Otolith and scale readings have been compared in 19 Potter Cove specimens. In some cases ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... those in the same age group around South Georgia. Likewise, our values are lower than the ones reported ... compared in 19 Potter Cove specimens. In some cases scale readings gave a result of one year more. This ... ~ N 0'= 42 0 8 r ~n N~ = 53 ~ 6 4 z 2 ---- >- 14 16 18 20 22 24 26 28 30 32 34 36 38 u z t4 ... w :::> 12 ~ iO t N cf= 15 0 0::: 8 r B ~ I.L N~ = 22 6 4 2 14 16 18 20 22 24 26 28 30 ... Georgia area, the reported data on age determination are well comparable in age groups up to 9 years ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Auteur(s): Barrera-Oro, E.

10. Conservation Measure Conservation Measure 25-03 (2016)

    Islands Adopted at Meeting:  CCAMLR-XXXV Period in Force:  2016- 2018 ... Minimisation of the incidental mortality of seabirds and marine mammals in the course of trawl ... fishing in the Convention Area Limitations:  Except for waters adjacent to the Kerguelen and Crozet ... )1 Minimisation of the incidental mortality of seabirds and marine mammals in the course of trawl ... fishing in the Convention Area Species seabirds, marine mammals Area all Season all Gear trawl ... cables on vessels in the CAMLR Convention Area is prohibited5. 2. Vessels operating within the ... with the net in the water. 6. Vessels should be encouraged to develop gear configurations that will ...

    Conservation Measure : 25-03 (2016)

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