Search results
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A generalised model for evaluating yield and the long term status of fish stocks under conditions of uncertainty
flexibility for assessing the influence of different patterns of growth, natural mortality, spawning and ... fishing on the estimates of yield per recruit. Also, it can be used to evaluate the performance of a stock ... each year by integrating a set of differential equations which incorporate functions that specify the ... rate of change or magnitude of parameters, such as growth, mortality, age dependent selectivity and ...
Meeting Document : WG-FSA-95/41 : Author(s): de la Mare, W.K., Constable, A.J.
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in March–April 2010, including a revised growth model
at age of icefish from recent surveys. Author(s): D.C. Welsford (Australia) Title: Preliminary ... Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in March-April 2010 to provide the information for an assessment ... of short-term annual yield in the 2010/2011 CCAMLR season. This paper provides a preliminary ...
Meeting Document : WG-FSA-10/12 : Author(s): D.C. Welsford (Australia)
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Technical note on the sampling procedures of the Saga Sea
Abstract: At the 2005 Scientific Committee (the Committee) Meeting (CCAMLR), Norway indicated ... information on effort, catch characteristic and the broader ecosystem impacts of this new technology. In ... Institute of Marine Research (IMR) and the UK’s Marine Resources Assessment Group and will be implemented ... sampling procedures of the Saga Sea Approval: Approved ...
Meeting Document : WG-EMM-06/18 : Author(s): J. Hooper (United Kingdom), T. Knutsen (Norway), D. Agnew (United Kingdom) and S.A. Iversen (Norway)
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
Abstract: Five species of Antarctic euphausiid crustaceans were studied from the Antarctic ... regressions. No difference in growth of krill were observed between the Antarctic Peninsula area and the ... shorter life span than females, while their growth rate is similar. A short description of the life cycle ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ...
Meeting Document : SC-CAMLR-VI/BG/24 : Author(s): V. Siegel (FRG)
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Proposed allocation of research catches in Divisions 58.4.1 and 58.4.2
Abstract: At WG-SAM-15, it was noted that 5 members, Australia, France, Japan, Korea and Spain ... allocation of research catches in Divisions 58.4.1 and 58.4.2 Microsoft Word File: fsa-15-54.docx Approval ...
Meeting Document : WG-FSA-15/54 : Author(s): D.C. Welsford (Australia), R. Sarralde Vizuete (Spain) and T. Ichii (Japan)
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
that will conduct the second year of research and summarises the research plan, previously agreed at ... Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ...
Meeting Document : WG-SAM-15/41 : Author(s): Delegation of Norway
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
plan, previously agreed at CCAMLR XXXIII. Author(s): Delegation of the United Kingdom Title: Proposal ... Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ...
Meeting Document : WG-SAM-15/32 : Author(s): Delegation of the United Kingdom
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Beach debris survey – Main Bay, Bird Island, South Georgia 1999/2000
Abstract: During the tenth year of standardised beach surveys of man-made debris at Bird Island ... , South Georgia, a total of 408 items was collected. This represents a 92% increase on the total of 213 ... increase (310%) in the number of items collected over winter (April- September) from 41 items in 1998/99 to ... 168 items in 1999/2000 and a 40% increase in the number of items collected during summer reflect a ...
Meeting Document : SC-CAMLR-XX/BG/02 : Author(s): Delegation of the United Kingdom
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Environmental variability effects on marine fisheries: four case histories
Abstract: The changing nature of marine fisheries requires management approaches that recognize ... and include ecosystem and environmental effects. Therefore, we review some examples of exploited ... distribution of the stock. Four examples, ranging from Antarctic krill to oysters, are given that clearly ... strategies for exploited fisheries must include effects of environmental variability. In particular ...
Meeting Document : WG-EMM-97/66 : Author(s): Hofmann, E.E., Powell, T.M.
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Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3
and 48.3 amounted to at least 95% of total catch. The calculations were based on the Soviet fleet haul ... Abstract: The purpose of this paper was estimating commercial fleet impact on krill population in ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ... AtlantNIRO. Intensity of commercial fleet impact on krill population, on biomass and density of krill ...
Meeting Document : WG-EMM-02/62 : Author(s): S.M. Kasatkina and V.F. Ivanova (Russia)