Résultats de la recherche
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An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
Paper Title: An impact assessment framework for bottom fishing methods in the CAMLR Convention ... preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline fishery. This paper ... illustrates the utility of the standardised approach and provides a methodological template for systematic ... for new and explora- tory fisheries in 2008/09 (see New Zealand, 2008). What follows is an outline ... °W 150 80° S 75° S 70° S 65° S 60° S 600-1800 200-600 60-200 20-60 7-20 2-7 NZ fishing effort ... 60° S 65° S 70° S 75° S 80° S 203 Impact assessment framework for bottom fishing methods 6.3 ... less than 10 years old; expected recovery times for most vulnerable taxa will be substantially longer ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Auteur(s): Sharp, B.R., S.J. Parker and N. Smith
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Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
RSTS as an important input for biomass and year-class estimation: 2006: Move from the population ... from catch-at-length, year-specific age-length keys (ALKs) and ageing error for survey and commercial ... Slide 1 An integrated stock assessment for the ... data’ Survey abundance-at-age (Step 5) Survey index and catch-at- age (Step 6) 6. Data for stock ...
Document : Site Section: Meetings
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... fine-scale catch and effort data held by CCAMLR for BANZARE Bank, as well as descriptive analyses of ... depletion analysis of stratified catch and effort data indicate that there is strong evidence for depletion ... species in catches in one ground for the first time. Incomplete reporting of biological information for by ... activity. Maximum line lengths for the 2004/05 to 2006/07 seasons were between 30 and 40 km, giving an ... – Division 58.4.3a) and an estab- lished fishery for D. eleginoides around Heard and McDonald Islands ... . mawsoni. As an explora- tory fishery, the catch limit for the division has been nominally set at 300 ... of fish- ing grounds and low level of data coverage avail- able for an exploratory fishery of this ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Auteur(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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Some principles for fisheries regulation from an ecosystem perspective
Paper Title: Some principles for fisheries regulation from an ecosystem perspective Abstract ... regulation of fisheries from an ecosystem perspective, under the Convention for the Conservation of Antarctic ... Marine Living Resources. An important task in this formulation is to derive subsidiary objectives for ... out in the Convention. An important property required for subsidiary objectives is that they are ... principles to be considered in the formulation of a framework for the. regulation of fisheries from an ... ecosystem perspective, under the Convention for the Conservation of Antarctic Marine Living Resources. An ... . An important property required for subsidiary objectives is that they are framed in terms of ... FISHERIES REGULATION FROM AN ECOSYSTEM PERSPECTIVE The main instrument for the regulation of fisheries ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Auteur(s): de la Mare, W.K.
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
restricted to an initial ceiling (Cc) for a 5 year period, with a reference CPUE level (CPUEref) calculated ... Abstract: An operational management procedure for krill in sub-Areas 48.1 + 48.2 + 4 48.3 ... requires a basis for the assessment of resource status, and an algorithm for specifying the levels of ... and selecting a procedure requires a basis for the simulation testing of procedures, and an ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Auteur(s): Delegation of South Africa
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Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2
consist of 15 parallel transects between 30° and 80°E. The survey design is presented to WG-EMM for their ... Abstract: This document outlines plans by Australia to conduct an acoustic biomass survey for ... previous B0 surveys in the CCAMLR Area and will use a similar methodology for collecting an analysing the ... : Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2 Approval: Approved ...
Meeting Document : WG-EMM-04/37 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)
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Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision
Abstract: A prerequisite for validation of an aging technique is a clear set of consistent aging ... criteria to test. Two sets of criteria ate presented for aging the otoliths of Dissostichus eleginoides ... criteria used to age high latitude fish from the north-west Pacific Ocean. Growth structures were found to ... was more precise than aging using C2. but tended to give higher age counts in younger fish than over ...
Meeting Document : WG-FSA-98/52 : Auteur(s): J. Ashford (United Kingdom) and S. Wischniowski (Canada)
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
Paper Title: An assessment of CCAMLR measures employed to mitigate seabird mortality in ... longlining operations for Dissostichus eleginoides around South Georgia Abstract / Description: Longlining ... operations for Dissostichus eleginoides off South Georgia were assessed for interactions with seabirds and ... the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... lasting 20 minutes each over an observation period of 1.5 to 2 hours. Observations were made from the ... . For sampling units, the mother line was divided into lengths of 30 coils using sequences of three ... marked connecting lines. At the start of hauling, four 30-coil lengths were randomly selected for ... April, an experiment was conducted for one month to assess the effectiveness of the streamer line in ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Auteur(s): Ashford, J.R. and J.P. Croxall
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
Abstract: In anticipation of the development of a new fishery for the oceanic squid Martialia ... and a brief review is provided of information about the life cycle and distribution obtained from ... season. A conservative estimate for total annual consumption by higher predators in the Scotia Sea is ... 245,000 tonnes compared with an upper estimate of 550,000 tonnes if less reliable data are included. M ...
Meeting Document : WG-FSA-96/20 : Auteur(s): Rodhouse, P.G.
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MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES
assess the implications for an ecosystem-based management. The mesopredators are highly dependent on ... , J.A. Royle and I.J. Staniland Title: MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM ... ecosystem-based approaches to fisheries management, where harvesting must be sustainable for targeted ... -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