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1. A multi-frequency method for improved accuracy and precision of in situ target strength measurements

   Abstract:  The effectiveness of a split-beam echosounder system to delineate single scatterers and ... synchronized signals from two or more adjacent split-beam transducers of different frequencies. The accuracy of ... from one of the split-beam transducers, additional corresponding TS measurements can be collected with ... juxtaposed single-beam transducers. Both methods were utilized to extract in-situ TS measurements of ...

   Meeting Document : WG-EMM-97/24 : Author(s): Hewitt, R.P., Soule, M.A., Demer, D.A.

2. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

   fisheries of the patagonian toothfish Dissostichus eleginoides related with the selectivity of the type and ... size of hooks used in the longlines. Original data obtained during 1991 on the coast of Valdivia, South ... . The size frequency of the population collected with straight hooks No3 and 4 are not significatively ... differences. It is notorious that female proportion increases significatively in the catches, at the same time ...

   Meeting Document : WG-FSA-91/11 : Author(s): C.A. Moreno (Chile)

3. The use of net monitoring cable in trawl fishery for krill

   Abstract:  Based on the discussion at EMM 2016 we here present challenges, results and potential ... of using a net cable to inform crew and scientists on trawl performance. Some results from ongoing ... tests demonstrate its potential in allowing observations of trawl in relation to krill distribution and ... behaviour, including real time imaging of krill and predator behaviour in relation to fishing gear during ...

   Meeting Document : WG-EMM-17/47 : Author(s): O.R. Godø

4. Methodological aspects of the International Synoptic Krill Survey in Area 48, 2019

   survey and the 2019 synoptic survey were considered. These were 1) the effect of acoustic surveying at ... Abstract:  The effect of differences in the methodology used for the CCAMLR 2000 krill acoustic ... effect of krill discrimination method. Surveying during the day only produced a 6% increase in the ... distributions. The choice of krill discrimination method had a marked effect on the per-stratum biomass ...

   Meeting Document : SG-ASAM-2019/10 : Author(s): G. Macaulay, G. Skaret, T. Knutsen and B. Krafft

5. CCAMLR observer program training video

   the training of CCAMLR observers and for use by observers as a reference tool while at sea. The video ... covers many of the practical sections identified by CCAMLR as essential elements to be included in the ...

   Meeting Document : TASO-10/07 : Author(s): J. Moir Clark and R. Benedet (UK)

6. 1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in South Georgia subarea (48.3)

   . Stock has been assessed at 123.1 thousand tonnes with a TAC of 28.3 thousand tonnes for the initial ... period of 1989/90 fishing season. File:  08-Shilbanov.pdf ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 101–110 : Author(s): Shlibanov, V.I.

7. An acoustic estimation of krill densities to the north of South Georgia in January 1994

   the northern coast of South Georgia from RRS lames Clark Ross during January 1994. Difference in ... krill densities from 120 kHz signals attributed krill. At less than 1 g m-2, mean weighted krill ... provide further evidence of an extreme krill paucity around South Georgia in the 1993/4 season. Author(s ... ):  Watkins, J.L., Brierley, A.S. Title:  An acoustic estimation of krill densities to the north of South ...

   Meeting Document : WG-EMM-95/74 : Author(s): Watkins, J.L., Brierley, A.S.

8. PROPOSED AMENDMENTS TO CONSERVATION MEASURE 51-01 (2008) PRECAUTIONARY CATCH LIMITATIONS ON EUPHAUSIA SUPERBA IN STATISTICAL SUBAREAS 48.1, 48.2, 48.3 AND 48.4

   Abstract:  Due to current uncertainties in the status of Antarctic krill biomass stock, which do ... not allow scientists to provide a work on forecast of the ecosystem changes and provide the management ... advice on SSMU catch limit allocation subdivision, that has been mentioned at the WG on Ecosystem ... statistical Subareas in statistical area 48 for krill fishery. Author(s):  Delegation of Ukraine Title ...

   Meeting Document : CCAMLR-XXVIII/48 : Author(s): Delegation of Ukraine

9. How many krill should we measure?

   on its body length distribution. Krill samples collected from layers in the northern waters of ... measurements of 2000 animals per sample, comparisons were made in mean body length and cumulative frequency ... distribution with less number of measurements. Measurements on 50 animals seem enough to obtain reliable ... estimates on mean body length. At least I000 measurements are desirable to get reliable estimates on ...

   Meeting Document : WG-KRILL-90/26 : Author(s): Y. Endo (Japan)

10. Estimating seabird by-catch in CCAMLR longline fisheries

    58.5.2. At the same time, concern has been expressed about the suitability of the method used to raise ... Abstract:  After many years of close to zero incidental seabird mortality in the longline fishery ... the observer data and to estimate total seabird mortality. Given the high profile of this issue in ...

    Meeting Document : WG-FSA-17/50 : Author(s): C. Darby and K. Olsson

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