Search results
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e-sc-40-a4.pdf
... was estimated as 39.287 million tonnes (CV = 9.29%). The mean krill density in the study area was 82.88 ... estimates from multiple surveys, including means weighted by the areas to which density estimates applied ... on the swarms-based method, and overall survey mean areal krill biomass density was 4.758 g m–2. 2.22 ... tonnes (CV = 28.9%) based on the swarms-based method and using the daytime mean areal biomass density ... biomass for the study area was estimated as 39.287 million tonnes (CV = 9.29%). The mean krill density in ... WG-ASAM-2021/13. However, results in other areas differed from the results of the 2019 International ... spatial and temporal distribution of krill in the different strata as well as attributed to the ... agreed to update the table of metadata on acoustic surveys with the results reported in WG-ASAM-2021/04
application/pdf attached to:WG-ASAM-2021Meeting Report : WG-ASAM-2021
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Geographical aspects of utilising resources of krill (Euphausia superba)
Abstract: This paper presents data on the distribution of E. superba in the Atlantic sector and ... . In a number of subregions on the periphery of the Weddell Gyre (both to the north and south), as well ... as in the coastal waters of the Antarctic continent, the formation of krill aggregations is variable ... in terms of location of individual aggregations. The main difficulty with starting up a fishery there ...
Meeting Document : WG-EMM-96/05 : Author(s): Makarov, R.R.
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The Generalised Yield Model version 5: structure, specifications and examples for validation
Abstract: The Generalised Yield Model (GYM) was first developed in 1995 as a generalised form of ... the units of biomass and relative to the recruitment parameters (as in toothfish) or according to a ... starting biomass and/or age structure of the population obtained from surveys during a year. In addition, S ... range of assessments on stocks, not just specific to CCAMLR. In CCAMLR, the latest version of GYM can ...
Meeting Document : WG-FSA-SAM 03/14 : Author(s): A. Constable (Australia)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
scientific effort has been invested in studies of the geology, physics and biology of the Ross Sea over the ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ... wealth of knowledge, including long-term biological data sets, not available anywhere else in the ... scientific resource. The Ross Sea represents an unparalleled natural laboratory in which the results of ...
Meeting Document : WG-EMM-02/60 : Author(s): D. Ainley (USA)
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e-sc-iv-a6.pdf
... August 1985. Dr W. Ranke (GDR) had been appointed Convenor of the group. In his absence Dr I. Everson ... . A number of documents were available to the meeting and these are listed in Appendix III. REVIEW ... abundance by the catch-per-unit-effort (CPUE) method, and the methods of analysing effort data in order to ... and highlighted differences in the characteristics of CPUE data so collected. 6. The three
application/pdf attached to:WS-KCPUE-85Meeting Report : WS-KCPUE-85
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GIS ‘ChartMaster’ for aquatic living resources research in Antarctic
for studying aquatic living resources in the Antarctic waters: The Chart of possible catches of ... according to the catch results of the Russian fishing vessels in the Antarctic area (from 71º26.4’ S to ... computed by data of the hydroacoustic survey carried out by the Russian R/V «Atlantida» in February-March ... Abstract: Geographic Information Systems (GIS) find increasing application in different fields of ...
Meeting Document : WG-SAM-13/04 : Author(s): V.A. Bizikov, S.M. Goncharov, A.V. Polyakov, S.B. Popov and A.F. Petrov (Russia)
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
(k=1,…,N) are independently and identically distributed gamma-random variables with mean μw and variance 2 wwμφ (e.g ... . the weight of the kth fi sh in the haul) and N is distributed as a Poisson random-count variable with mean ... distribu- tion with mean τ, the distribution of Z has non-zero mass at Z = 0. The distribution ... of freedom or the residual mean deviance (McCullagh and Nelder, 1989). If the latter is used then ∑φ ji ... CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable in a ... model (GLMM), in order to provide more efficient estimates of the standardised CPUE time series and more ... as a result of the imbalance in the number of hauls in the year-by-vessel cross-classification ... . Further, the inclusion of an area stratum by fishing year interaction as an additional random effect in ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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e-cc-xiii-a4.pdf
... to the 1993 Financial Statements advised no qualifications in respect of compliance with Financial ... recommended that the Commission appoint the Australian National Audit Office as auditor in respect of the ... problems which have resulted from the implementation of the publications distribution policy in 1993, the ... to the Commission in respect of the annual meetings of the Commission and Scientific Committee at
application/pdf attached to:SCAF-94Meeting Report : SCAF-94
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Report on the CCAMLR marine debris monitoring program
bands found at King George Island. Overall, the amount of debris in colonies of grey-headed albatrosses ... was only one new hydrocarbon soiling reported from Bird Island in 2014. The results of the ongoing ... monitoring of marine debris in the Convention Area suggest that while the type and amount of debris varies ... . Non-fishing items such as plastics, packaging materials and wood remain the most common type of debris ...
Meeting Document : WG-FSA-14/68 : Author(s): Secretariat
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e-sc-xiv-a5-appE.pdf
... -Marquardt method was used. In these analyses, mean length-at-age was not used; each length-at-age datum ... meaningful inferences. More information on oceanographic conditions would also help interpretation ... at length was suggested as a means of investigating this. The progress of this analysis is described ... adopted unchanged. The Agenda is included in this report as Attachment A and the List of Participants as ... to in this report are listed in Appendix C of this annex. 1.4 The report was prepared by Drs I ... initial review of the approaches taken in previous CCAMLR assessments of D. eleginoides, and of the ... approaches used in the assessments of the longline fishery for D. eleginoides in Chile and the trawl and
application/pdf attached to:WG-EMM-Methods-95Meeting Report : WG-EMM-Methods-95