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CCAMLR ecosystem monitoring and a feedback management procedure for krill
interactiva para esta pesquerfa. 1. INTRODUCTION The need to establish conservation measures ... of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR, 1991). The Commission has ... of the Convention Area as well as the establishment of conservation measures to ensure that sufficient k:rill ... to be affected by krill harvesting. The Commission then can formulate or alter conservation measures based ... attributable to loss of prey through fishing activities. The principal fishery in the CCAMLR Convention Area is ... the krill fishery and this paper examines ways in which the information being obtained from the ... / Description: The CCAMLR Ecosystem Monitoring Program has been developing a technique which might detect short ... -term declines in land-based predator performance (e.g., reproductive performance) that may be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Author(s): Constable, A.J.
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Development of a generic operating model framework for data collection, assessment method and management strategy evaluations
framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ... Abstract: A generic spatially-explicit age-structured model framework is in development that will ... enable to evaluate data collection protocols, assessment methods and management strategies. The model ... framework is programmed in R to promote transparency and interactions between researchers. It is based on ...
Meeting Document : WG-FSA-11/20 : Author(s): P. Ziegler (Australia)
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Development of a generic operating model framework for data collection, assessment method and management strategy evaluations
framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ... Abstract: A generic spatially-explicit age-structured model framework is in development that will ... enable to evaluate data collection protocols, assessment methods and management strategies. The model ... framework is programmed in R to promote transparency and interactions between researchers. It is based on ...
Meeting Document : WG-SAM-11/13 : Author(s): P.E. Ziegler (Australia)
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An examination of variance and sample size for female Antarctic fur seal trip durations
Abstract: This paper uses power analysis and bootstrap functions to examine the importance of ... sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... year. A bootstrap function was used to examine the effect of sample size on variance. Currently CCAMLR ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ...
Meeting Document : WG-EMM-99/45 : Author(s): M.E. Goebel (USA)
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Streamer lines to reduce seabird by-catch in longline fisheries
Abstract: This two-page flyer targets commercial longline fishermen in Alaska. Aspects of the ... streamer line developed in the course of research in Alaskan demersal longline fisheries are described ... reduce seabird by-catch in longline fisheries Approval: Approved ...
Meeting Document : WG-FSA-03/18 : Author(s): E.F. Melvin (USA)
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Marine Ecosystem Assessment for the Southern Ocean – Brief Report, June 2018
assessment of the status and trends of habitats, species and food webs in different regions. It aims to ... Abstract: A Marine Ecosystem Assessment for the Southern Ocean (MEASO) is a quantitative ... decisions can be made. It is intended to enable managers to achieve consensus in adapting their management ... strategies to ecosystem change, in order to continue to achieve their objectives for ecosystems. This paper ...
Meeting Document : WG-EMM-18/14 : Author(s): A. Constable
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Krill fishery information
Abstract: Compilation of information and work pertaining to the krill fisheries in CCAMLR waters ... on catches for the current season (2003/04); • Measures of overlap between the krill fishery and ... krill predators; • A revised plan for the krill fishery in Area 48. Author(s): Secretariat Title ... is presented, including: • A report on catches for the last, complete season (2002/03) and an update ...
Meeting Document : WG-EMM-04/15 : Author(s): Secretariat
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IUU fishing activity during the 2010/11 fishing season
prepared a summary of reported IUU fishing activity in the Convention Area during the 2010/11 fishing ... in IUU effort rather than estimate IUU catch (SC-CAMLR-XXIX paragraph 6.5). The Secretariat has ... Abstract: At CCAMLR-XXIX the Scientific Committee requested that the Secretariat monitor trends ... season Author(s): Secretariat Title: IUU fishing activity during the 2010/11 fishing season Approval ...
Meeting Document : WG-FSA-11/10 : Author(s): Secretariat
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PiNT – a tool for renaming observer photographs at sea
Abstract: Within the CCAMLR area, high quantities of images are collected by scientific observers ... species. In order to maintain version control, to process and file the photographs efficiently, and to ... development of a tool in Excel. Author(s): N. Gasco, C. Chazeau, P. Tixier (France), C. Heinecken (South ... at sea while performing the tasks outlined the Scheme on International Scientific Observation (SISO ...
Meeting Document : WG-FSA-15/76 : Author(s): N. Gasco, C. Chazeau, P. Tixier (France), C. Heinecken (South Africa), J. Clark and M. Soeffker (United Kingdom)
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Introducing Casal2 for toothfish stock assessments
github website. We also suggest that one or multiple assessments of toothfish be included in the Casal2 ... model that allows more flexibility in specifying the population dynamics, parameter estimation, and ... Initial comparisons of CASAL and Casal2 show that these programs provide the same stochastic results, and ... Abstract: The Casal2 software implements an updated generalised age-structured marine population ...
Meeting Document : WG-SAM-18/14 : Author(s): S. Mormede