Résultats de la recherche

1. Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data

   facilitate assessment of the degree to which the RSRMPA achieves its objectives. The Plan also identifies a ... set of indicators that, when observed or quantified, provide baseline data for key species and ... characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying working ...

   Meeting Document : SC-CAMLR-XXXVII/BG/13 : Auteur(s): Delegation of the USA

2. Fatty acids composition of spiny icefish Chaenodraco wilsoni in the Bransfield Strait and its implication to local food availability

   Abstract:  Spiny icefish (Chaenodraco wilsoni) is an important species of crocodile icefish native ... to the high-Antarctic of the Southern Ocean, including the Bransfield Strait. The water mass in the ... , more saline waters of the Weddell Sea over the broad continental shelf near d′Urville and Joinville ... Islands. The local food availability of C. wilsoni may be influenced by those waters. The fatty acids can ...

   Meeting Document : WG-FSA-18/76 : Auteur(s): Q.Y. Yang, G.P. Zhu and K. Reid

3. Analysis of scientific observer data from the Saga Sea 2006–2007

   Sea from June 2006 to June 2007. This paper presents an initial analysis of the krill and fish bycatch ... Abstract:  UK observers were present during all fishing operations of the Norwegian flagged Saga ... sampled. Although a reasonably large number of continuous and conventional trawls were undertaken, the ... distribution of these trawls in time and space was not random. The vessel tended to fish with one trawl type ...

   Meeting Document : WG-EMM-07/16 : Auteur(s): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor

4. Towards a seabird mortality risk assessment: distribution of seabirds in the WCPFC Convention Area and potential overlap with fisheries

   Abstract:  This paper reviews the distribution of seabird species with the WCPFC Area. From a ... Concern. This paper, having identified key risks, is intended to assist with the development of advice on ... review of the distributions of 99 species of albatross and petrel, 16 species of albatross and 60 species ... of petrel occur within the area of the WCPFC, and are potentially vulnerable to fisheries bycatch ...

   Meeting Document : WG-FSA-06/30 : Auteur(s): S. Waugh (New Zealand)

5. Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)

   Abstract:  The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ... inclusion of random stratified trawl survey (RSTS) abundance-at-age for 2010 and 2011 and conversion of 2008 ... and 2009 RSTS abundance-at-length to abundance-at-age. This was possible due to the large number of ... years. A series of standardised longline CPUE data from one of the longline grounds (or subfishery ...

   Meeting Document : WG-FSA-11/24 : Auteur(s): S.G. Candy and D.C. Welsford (Australia)

6. THE RISK TO FISHERY PERFORMANCE ASSOCIATED WITH SPATIALLY RESOLVED MANAGEMENT OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) HARVESTING

   will affect fishery performance. One metric of potential performance is the probability of encountering ... exploitable densities of the target species at the scale of fishing operations. The probability of ... encountering exploitable densities of Antarctic krill, Euphausia superba, at the 1 nm scale during an acoustic ... spatial scale of management units could usefully predict effects at the scale of fishing operations ...

   Meeting Document : WG-EMM-09/P10 : Auteur(s): S. Hill, P. Trathan and D. Agnew

7. DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   Abstract:  This report is a synthesis of mostly existing information which has been compiled for ... the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery ... continental shelf of the Ross Sea itself, because this is the area where any ecosystem effects related to ... predators of toothfish are most likely to occur. Of the total catch from the fishery to date of almost 19 ...

   Meeting Document : WG-EMM-09/40 : Auteur(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

8. MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES

   Abstract:  Correctly quantifying the impacts of rare apex marine predators is essential to ... prey vulnerability. We combined these uncertainties to evaluate the predatory impact of transient ... leopard seals on a community of mesopredators (seals and penguins) and their prey at South Georgia, and ... -selective predation and prey vulnerability. A population of 104 (90–125) leopard seals, of which 64%were ...

   Meeting Document : WG-EMM-09/P08 : Auteur(s): J. Forcada, D. Malone, J.A. Royle and I.J. Staniland

9. PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4

   Abstract:  1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; 2. In 2008/09 a total of 214 D. eleginoides and 192 D. mawsoni were tagged and released. Two ...

   Meeting Document : WG-FSA-09/18 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)

10. IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION

    Abstract:  The suite of data quality metrics introduced by Middleton & Dunn (2008) is examined ... to identify those metrics that are most informative with respect to the identification of good ... rates of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A ... bootstrap analysis indicates that the range of data quality metrics associated with known good tagging data ...

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

Pages