Search results

1. Climate change and precautionary spatial protection: seasonal sea ice

   Abstract:   Regional climate change is now known to be well established in the Antarctic; however ... respond to climate change is potentially best carried out in regions and with species that have been ... harvesting. If CCAMLR is to embrace the wider implications of climate change in the context of ecosystem ... change, both in the presence of and absence of harvesting. We therefore recommend that locations ...

   Meeting Document : WS-MPA-11/18 : Author(s): P.N. Trathan and S.M. Grant (UK)

2. IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION

   quality metrics may be most powerful in distinguishing the trips considered to have good tagging data ... . These include metrics for taxonomic resolution in the observer data, goodness of fit of catch data to ... Benford's Law, and the variation in toothfish catch rates.This reduced set of data quality metrics ... could be helpful in the identification of trips which have similar data quality to the known “good data ...

   Meeting Document : WG-SAM-09/19 : Author(s): D.A.J. Middleton and A. Dunn (New Zealand)

3. Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia

   female being ashore at a census and for pregnancy rate (71 % in 1990/91), pup production was estimated as ... 269,000 (95% confidence intervals 188,000- 350,000). The breeding population in 1990/91 was reduced at ... long-term study sites probably because of a short term reduction in food availability. Data from these ... on values from 1983/84 to 1990/91, pup production in 1990/91 would have been 378,000 (S.E. = 19,100 ...

   Meeting Document : WG-CEMP-92/39 : Author(s): I.L. Boyd (United Kingdom)

4. Review of fishery monitoring and forecast procedures

   groups) in CCAMLR fisheries, including catches taken from small-scale research units and other management ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... will operate in the future in the same way as it did in the period from which the data are used to make ... will be inaccurate. A range of management options are considered in response to a catch overrun. The ...

   Meeting Document : WG-SAM-13/06 : Author(s): Secretariat

5. The CCAMLR Decision Rule, strengths and weaknesses

   Abstract:  Scientific Committee has recognised that in order to maintain its leadership in ... by considering hypothetical, future changes in the fishery- stock interactions and the stock ... changes in the fishery- stock interactions.  However, the robustness of the Decision Rule, to potential ... climate change induced variation in productivity, highlights a sensitivity that should be considered by ...

   Meeting Document : SC-CAMLR-38/15 : Author(s): Delegation of the United Kingdom

6. PROPOSAL TO STRENGTHEN CCAMLR’S PORT INSPECTION SCHEME TO PREVENT, DETER AND ELIMINATE ILLEGAL, UNREPORTED AND UNREGULATED FISHING

   and the European Union In 2002, the Commission adopted conservation measure 10-03, Port Inspections of ... Vessels Carrying Toothfish. In 2008 and 2009, the Commission adopted amendments to conservation measure 10 ... be a problem in the Convention Area. The goal of this proposal is to address the continuing problem ... Conservation Measure 10-03. In our view, this proposal complements well and enhances the improvements made in ...

   Meeting Document : CCAMLR-XXIX/35 : Author(s): Delegations of the USA and the European Union

7. Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004

   Islands and off the Barff Peninsula, South Georgia, from a 59 foot yacht in January 2004. The purpose of ... the surveys was to determine krill density near shore, in regions that have not traditionally been ... surveyed by large research vessels, and to survey responsively in areas where adult Macaroni penguins ... were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ...

   Meeting Document : WG-EMM-04/35 : Author(s): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)

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.

   Abstract:  In this paper, we develop an ecosystem-based, precautionary management procedure for ... krill fisheries which draws together past experience in CCAMLR. It provides an empirical ecosystem ... 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 : Author(s): A. Constable and S. Candy (Australia)

9. 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

   Abstract:  In this paper, we develop an ecosystem-based, precautionary management procedure for ... krill fisheries which draws together past experience in CCAMLR. It provides an empirical ecosystem ... 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 : Author(s): A. Constable and S. Candy (Australia)

10. 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 : Author(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

Pages