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Guidelines for the preparation of hydroacoustic survey reports on krill
Paper Title: Guidelines for the preparation of hydroacoustic survey reports on krill Abstract ... requirements for the preparation of reports of echometric surveys. An example is provided of the preparation of ... / Description: The proposed guidelines provide an opportunity to perform comparative analyses and checks of ... surveys. The unification of echometric survey data is aimed at increasing the effectiveness of research on ... peltca 19/X1 1980 20-29/X1 30/X1 31/X1 1980-10/ 1981 BbIXO,D; H3 CeBaCTOnOJIR. Pas60pKa 3KCne ... - 165 - SC-CAMLR-V/BG/37 GUIDELINES FOR THE ... PREPARATION OF HYDROACOUSTIC SURVEY REPORTS ON KRILL I.L.Kalikhman (U.S.S.R.) Abstract The proposed ... guidelines provide an opportunity to perform comparative analyses and checks of results obtained during ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Autor(es): Kalikhman, I.L.
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Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices
estimate effective tag releases and effective numbers of fish inspected for tags based on those indices ... recaptures for stock assessments based on tag detection and tagging mortality indices Approval: Approved ... developed using a methodology which controls for the spatial and temporal variability of fishing operations ... included in the stock assessment for the Ross Sea region and Amundsen Sea region, with the understanding ...
Meeting Document : WG-SAM-14/30 : Autor(es): S. Mormede (New Zealand)
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Procedures for proposals and reporting on research plans in data-poor fisheries
, WG-SAM-17 recommended that the procedures for research plan proposals in data poor fisheries be ... compiled and further developed to bring together the advice from the Scientific Committee and its Working ... , and to provide recommendations for the Scientific Committee to consider with regard to a CCAMLR ... Conservation Measure 41-01, and provide recommendations for streamlining the review of new and ongoing research ...
Meeting Document : WG-FSA-17/13 : Autor(es): S.J. Parker and D.C. Welsford
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On Ageing Technique for Icefish (champsocephalus gunnari Lönnberg 1905) from South Georgia Island Shelf
for the third quarter of the year is appended Author(s): Zh.A. Frolkina (USSR) Title: On Ageing ... adjustment to age determination of fish longer than 30 cm with an enlarged otolith centre. An age-length key ... Abstract: Radii of annual elements were calculated on the basis of studying C. gunnari length ... . This was done using specimens from strictly’ defined age groups. These radii measurements suggest an ...
Meeting Document : WG-FSA-89/19 : Autor(es): Zh.A. Frolkina (USSR)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
fishery. 3. The biomass of krill appropriate for the predators (and the fishery) fluctuates from one year ... Abstract: 1. Although the development of fisheries for krill in the southern oceans has prompted ... considerable work on the indirect effects of fisheries on krill predators, to date all work has focused on ... population level effects. Here, we present for. the first time a model at the level of the foraging trip for ...
Meeting Document : WG-EMM-96/20 : Autor(es): Switzer, P.V., Mangel, M.
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A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998
in 2000 will be predominantly on Age 5 fish. After this time, catch limits may need to be set at an ... Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ... cohorts are still sufficiently strong to provide for a yield greater than estimates of the long term ... precautionary yield. Estimates of yield for the Heard Island Plateau population are 732 tonnes for 1999 and 518 ...
Meeting Document : WG-FSA-98/54 : Autor(es): A. Constable and D. Williams (Australia)
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Examination of the characteristics of the fishery for Dissostichus eleginoides in the CCAMLR Statistical Subarea 48.3 and its implications on estimating trends in catch per unit effort
and random in haul-by-haul catch and effort data from the longline fishery for Dissostichus ... eleginoides in Subarea 48.3. We concentrate on presenting the results of preliminary work on the potential ... effects of changing fishing patterns on the standardisation of the CPUE time series. We consider whether ... the spatial pattern of fishing might have changed over the years, whether the current measure of ...
Meeting Document : WG-FSA-SAM-05/17 : Autor(es): A.J. Constable, S.G. Candy and B. Raymond (Australia)
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ... range of sensitivity analysis for the assessment based on deliberations at WG-FSA 2003 with respect to ... Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2 ...
Meeting Document : WG-FSA-04/76 : Autor(es): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005
in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... years old during the coming season. This would result in an estimated yield of 1,210 tonnes, which is ... (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005 ... less than that predicted for the coming season in the 2004 assessment by WG-FSA. Author(s): A.J ...
Meeting Document : WG-FSA-05/39 : Autor(es): A.J. Constable, T. Lamb and R. Williams (Australia)
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
below an established depletion threshold (75% of its unimpacted level), with consequent risks for some ... reducing fishing pressure is one option for mitigating the overall consequences for marine biota. We used a ... minimally realistic ecosystem model to examine how projected effects of ocean warming on the growth of ... for predators by curtailing krill fishing at different points in the 21st century. The projected ...
Meeting Document : WG-EMM-18/P02 : Autor(es): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters