Resultados de la búsqueda

1. Marine debris collected at Cape Shirreff during the Antarctic season 2000/01

   occurred in previous seasons, some plastic articles were found partially burnt. Sixty three plastic items ... 51% of the total identified items. For the first time it was recorded an article from Philippines. It ...

   Meeting Document : SC-CAMLR-XX/BG/25 : Autor(es): Delegation of Chile

2. A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management

   Abstract:  Conservation Measure 51-07 provides an interim distribution of the trigger level in the ... fishery for Euphausia superba in Statistical Subareas 48.1, 48.2, 48.3 and 48.4.  It was established ... because the Commission, in the preambular paragraphs to that measure, recognised that localised catches up ... disproportionately affected by fishing activity”.   CM 51-07 is to be “ reviewed in 2016 with the intent of ensuring ...

   Meeting Document : WG-EMM-16/69 : Autor(es): A.J. Constable, S. Kawaguchi and M. Sumner

3. Biomass/CCAMLR krill review

   within the provisions set out by Article II of the Convention for the Conservation of Antarctic Marine ... survey of 1981. General problems in assessing krill acoustically and by other direct methods are ... recent progress in estimating krill production through studies of age and growth, energy budgets for ... attention is given to the phenomenon of aggregation in krill. Physical and biological characteristics of ...

   Meeting Document : SC-CAMLR-VII/BG/39 : Autor(es): D.G.M. Miller and I. Hampton (South Africa)

4. Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf

   used to characterise the age composition. It was determined that in the initial years of exploitation ... catches and in some years (1981-1985) fisheries were based practically on recruitment. After the closure ... . In May-June 1991 the mean length was 59.2 cm, mean age was 7.4 years; some 70% of catch consisted of ... that observed in the initial years of exploitation and further closure of marbled rockcod specialised ...

   Meeting Document : WG-FSA-94/04 : Autor(es): P.B. Tankevich (Ukraine)

5. Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data

   time as more years’ data becomes available. The 2009 stock assessment of Antarctic toothfish in the ... estimated by the models arising from withholding data was found to be highest in the earlier years of stock ... years, the change in estimated biomass arising from withholding data was much smaller, with values ... very sensitive to changes in years of tag release and recapture data available to the model. For ...

   Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)

6. 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 ... correlations were found with krill densities (r = 0.69, p = 0.002, lag 0 years), Oceanic Niño Index (r = −0.65 ...

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

7. 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 : Autor(es): A. Constable and S. Candy (Australia)

8. 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 : Autor(es): A. Constable and S. Candy (Australia)

9. 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 ... database, KRILLBASE, together with environmental information, standardisation and metadata. The aim is to ... , autecology, higher predator foraging and food web modelling in addition to fisheries management and ...

   Meeting Document : WG-EMM-17/P03 : Autor(es): 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

10. 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 : Autor(es): T. Klevjer, G. Skaret and B.A. Krafft

Páginas