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1. Results of a CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2013

   Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... first survey was completed in February (Hanchet al. 2012a). In this paper we provide the results of the ... second survey in the time series. The objectives of this second survey were: To carry out a longline ... standardised manner; and To sample additional experimental stations in adjacent areas to identify areas of high ...

   Meeting Document : WG-SAM-13/32 : Author(s): S.J. Parker, S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and R. Sarralde (Spain)

2. Preliminary results of pop-up satellite tag study on Antarctic toothfish in the Mawson Sea

   Abstract:  Preliminary results of a pop-up satellite tag (PSAT) on large Antarctic toothfish are ... a Korean scientific observer. The same observer recovered the fish a year later. The days of liberty ... were over a year (366 days). The vertical movement of the fish shows strong and contrasting patterns ... . The most significant pattern was the fish staying at the same depth for a couple months. The vigorous ...

   Meeting Document : WG-FSA-16/08 : Author(s): Delegation of the Republic of Korea

3. Interannual variation to the gonad cycle of the mackerel icefish

   sampling the commercial fishery. Spawning appears to occur at the same time each year, but the timing of ... maturation cycle is also closely tracked to the time of year. The gonad maturation cycle of the mackerel ... gonadal development is subject to a considerable inter-annual variation. The implications of this ... . Kock (Germany) and J. Ellison (United Kingdom) Title:  Interannual variation to the gonad cycle of the ...

   Meeting Document : WG-EMM-00/45 : Author(s): I. Everson (United Kingdom), K.-H. Kock (Germany) and J. Ellison (United Kingdom)

4. Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b)

   Abstract:  Important catches of sea pens (Pennatulacea, NTW) in the 58.4.4b sector (Lena bank ... ) have been reported during the CCAMLR SAM Working Group 2018 (see WG-SAM-18/31 "Annual report of ... research fishing operations at Division 58.4.4b in 2016/17 fishing season" by Japanese and French ... delegations). Detail of French catches, with abundances and weights are provided here (Tab.1). Data and ...

   Meeting Document : WG-FSA-18/23 : Author(s): A. Martin, J. Blettery and M. Eléaume

5. Annual migrations of pelagic fish stocks into a krill hotspot

   frequency response may be similar to that of krill at the commonly used frequencies of 38 and 120 kHz ... Abstract:  We report here on the existence of seasonal fish migrations into a krill hotspot ... from krill on a single frequency. Trawl catches in the area during 2019 gave high densities of mackerel ... . Author(s):  T. Klevjer Title:  Annual migrations of pelagic fish stocks into a krill hotspot Approval ...

   Meeting Document : WG-EMM-2019/33 : Author(s): T. Klevjer

6. Some thoughts on our work towards establishing feedback management scheme for krill fishery

   Abstract:  I would like to initiate discussions at this year’s WG-EMM that focus on how we are ... going to engage a larger group of scientists working for a greater proportion of the year to develop FBM ... . Part of these discussions should focus on the practicality of implementing FBM – what would the scheme ...

   Meeting Document : WG-EMM-13/04 : Author(s): S. Kawaguchi (Convener, WG-EMM)

7. 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.

8. 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)

9. 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

10. 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

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