Search results
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Developing a Ross Sea region medium-term data collection plan
Abstract: Data are collected for use in scientific research, the results of which are used to ... , prevention of changes or minimisation of the risk of changes in the marine ecosystem which are not ... of Antarctic marine living resources. Based on these goals and previous experience in the fishery ... , proposed medium term research objectives for the Ross Sea fishery for the next 5–7 years were developed in ...
Meeting Document : WG-FSA-10/32 : Author(s): S. Mormede and S. Hanchet (New Zealand)
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Informing and seeking advice from WG-SAM-18 about the revisions of the WSMPA proposal
in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... ; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and 48.5 as a result of ... reference areas in statistical subarea 48.6 for monitoring the effects of harvesting on Antarctic marine ... the fisheries research zone (FRZ) foreseen in the draft WSMPA Conservation Measure and the ...
Meeting Document : WG-SAM-18/16 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
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Informing and seeking advice from WS-SM 2018 about the revisions of the WSMPA proposal
in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and ... ; Establishment of scientific reference areas in statistical subarea 48.6 for monitoring the effects of harvesting ... ) foreseen in the draft WSMPA Conservation Measure and the establishment (number, location and size) of ...
Meeting Document : WS-SM-18/08 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
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A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data
trawl in Heard Island fishery were fitted using a von Bertalanffy (VB) growth model taking into account ... being a sharp decline in selectivity from 100% at 1000 mm down to 1% by 1600 mm. The VB curve fitted to ... relative to those for the LF sample were also included in defining relative probabilities, the VP maximum ... growth rate (AGR) for lengths measured at release and first recapture in mark-recapture studies were ...
Meeting Document : WG-FSA-SAM-06/07 : Author(s): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)
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CAMLR Convention
increases in krill catches in the Southern Ocean could be detrimental for Antarctic marine ecosystems ... of State sovereignty is recognised by all Contracting Parties. In addition to its focus on ... a focus on the Commission, and Scientific Committee considerations in relation to international ... explicit guidance on the relationship between the CAMLR Convention and the Antarctic Treaty. In addition to ...
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Port State measures
duties of its Members and Contracting Parties as Port States, as reflected in the Code of Conduct for ... inspection reporting would also provide a further means of verification of the CDS in an enhanced catch ... fishing vessel suspected of carrying toothfish, or of having being engaged in fishing of that species in ... ‘fishing vessel’, and the most comprehensive statement of what constitutes ‘fishing’ is that found in ...
Page : Site Section: The Organisation
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A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA
consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ... average, recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ... ) in trophic flows between groups. Parameters for biomass, production rate, growth efficiency, diet ... changes in biomass, production/biomass, and production/consumption parameters were needed to balance the ...
Meeting Document : WG-EMM-09/42 : Author(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Exploratory analysis of acoustic data from the Ross Sea
conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ... . All line recordings were in water over 1000 m deep. Because of the spreading of the acoustic beam, the ... . Two types of pelagic layers were present in most acoustic recordings: a dense shallow layer between 30 ... present in some recordings and these tended to occur at 150–400 m depth, between the layer marks. The most ...
Meeting Document : WG-FSA-SAM 03/9 : Author(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
took into account uncertainty due to haul-level variability in catch-at-length proportions, ALK ... predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ... median score for all aged fish in the assessment was 3 but some fishery-by-year combinations had a higher ... value of 4. The output from the integrated assessment of most interest in this study is the CV of the ...
Meeting Document : WG-SAM-09/09 : Author(s): S.G. Candy (Australia)
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Adoption of conservation and management measures
3.5.2 Extent to which CCAMLR has applied a precautionary approach as set forth in the Code of ... , paragraphs 5.1 to 5.4. Scientific Committee- In progress- ongoing discussion in relation to MPAs and VMEs ... separately or in combination. In the context of this criterion, attention is drawn to the recommendations ... (23.75 KB)). 3.5.3 Extent to which CCAMLR is applying uniform principles and procedures to all species in ...
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