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1. Notes on Champsocephalus gunnari biology, availability, diet and spatial distribution in the South Shetland and South Orkney Islands (Subareas 48.1 and 48.2)

   Abstract:  Stocks of the mackerel icefish Champsocephalus gunnari in the Southern Scotia arc ... region of the Southern Ocean (CCAMLR Subarea 48.1 & 48.2) have several different biological ... characteristics than stocks in the Northern Scotia Arc. The history of commercial C. gunnari exploitation in the ... Southern Scotia Arc was short lived and intense, and led to the collapse of the stocks. Stocks in this ...

   Meeting Document : WAMI-01/10 Rev. 1 : Автор(ы): C.D. Jones and J. Emery (USA)

2. Modelling the impact of fishery by-catches on albatross populations

   Abstract:  1. Several albatross species, including the wandering albatross Diomedea exulans, have ... -catch in longline fisheries and this mortality has been implicated in the population declines. 2. We ... developed a deterministic, density-dependent, age-structured model for assessing the effects of longlining ... the Crozet Islands, data on albatross abundance from 1960 to 1995, and reported effort data from the ...

   Meeting Document : WG-FSA-01/18 : Автор(ы): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)

3. Notothenia (p.) gibberifrons Stock Status and TAC Estimation in the Area of Shag Rocks (Subarea 48.3)

   to analyse N. guntheri stock status. On the basis of these data using VPA method with different ... , using F regression on fishing effort and using average weighted F. Prior to the beginning of fishery N ... . guntheri abundance was estimated as 227 thousand tons (using all the above-mentioned methods). For 1986/87 ... the figure was only 102 thousand tons when calculation was done using regression equation and 160 ...

   Meeting Document : WG-FSA-88/33 : Автор(ы): R. Borodin and K. Shust (USSR)

4. Recommendations on estimating krill escape mortality during fishing operations: the problems and approaches

   Abstract:  The task to estimate the escape mortality of krill during the fishing operation ... assigned by Scientific Committee requires assessment of the total krill passed through the rope and netting ... parts of trawl and krill amount appeared unviable in the process of escapement. The recommendations ... presented are the first attempt to develop the method of instrumental assessment of the «escape mortality ...

   Meeting Document : WG-EMM-10/18 : Автор(ы): V.K. Korotkov and S.M. Kasatkina (Russia)

5. From the Editor

   Paper Title:  From the Editor File:  12editor.pdf ... Science and the science used by CCAMLR In the exchange between Drs Everson and Brierley, the values ... for the total biomass of krill, esti- mated using data collected during the CCAMLR- 2000 Survey ... , represent two of the estimates availa- ble. As the exchange reflects, there are a number of ways in which ... such estimates can be derived and CCAMLR recognises the importance of consider- ing all plausible ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199

6. Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a

   Abstract:  Catch and effort data recorded by all vessels were analyzed using the latest CCAMLR C2 ... and observer data. The stock size estimate for a research block (5843a) was revised following advice ... in the last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each ... block in such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ...

   Meeting Document : WG-FSA-13/40 : Автор(ы): Delegation of Japan

7. Revised research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15

   Abstract:  The stock sizes for five research blocks (486_1, 486_2, 486_3, 486_4 and 486_5) were ... estimated by the Petersen estimator and the CPUE x seabed analogy method using updated CCAMLR C2 data and ... reference area sizes. The stock size estimate using the Petersen estimator was similar to that using the ... , the estimates using the Petersen estimator were different from those using the CPUE method in other ...

   Meeting Document : WG-FSA-14/17 : Автор(ы): Delegation of Japan

8. Plan of research program of the Russian Federation in Subarea 48.5

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... Subareas. Stock assessment of this area should be calculated basing on the newest and adequate data ... . Despite the difficult ice conditions the Weddell Sea is the largest enclosed near-continental sea of the ... Antarctic which is very similar to the Ross Sea in some respects like shape, bathymetrical profile and ...

   Meeting Document : WG-SAM-15/18 : Автор(ы): Delegation of the Russian Federation

9. A feedback management strategy for the krill fishery in Subarea 48.1

   Abstract:  We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM.  A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ... central to the strategy proposed here.  In “plain English” that decision rule has four components.  1) If ...

   Meeting Document : WG-EMM-16/48 : Автор(ы): G.M. Watters, J.T. Hinke and C.S. Reiss

10. Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2

    Abstract:  Migration has the potential to violate the assumptions of tag recapture models used in ... the assessment of toothfish stocks. Evaluating the potential bias introduced into stock assessments ... and tag-based biomass estimates when the distributions of tagged fish, fishing effort and the ... underlying stock distribution are spatially heterogeneous is currently one of the highest priorities of the ...

    Meeting Document : WG-SAM-17/11 : Автор(ы): P. Burch, P. Ziegler, D. Welsford and C. Péron

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