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1. ON METHODS OF THE EXPERIMENT CARRIED OUT TO DETERMINE THE RATE OF ‘ESCAPE MORTALITY’ ON FISHING OR RESEARCH VESSELS DURING ANTARCTIC KRILL FISHERY

   Abstract:  According to recommendations of Working Group on Ecosystem Monitoring and Management ... (SC-CAMLR-XXVIII/3, paragraph 3.7), 2009 in Bergen, due to the results of considering Document WG-EMM ... -09/11, in which the uncertainty of krill amount perished while its trawling at fishery is focused ... , the recommendations were submitted on carrying out the experiment to determine the rate of krill ...

   Meeting Document : SC-CAMLR-XXVIII/BG/10 : Author(s): Delegation of Ukraine

2. Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety

   Abstract:  The mathematical model of a fishery object contact against a mesh, while escaping ... elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... ecological safety is offered, which is the ratio of the amount of the objects caught and objects caught and ... died during fishery. The equations are presented to estimate the gross removal of an object by the ...

   Meeting Document : WG-KRILL-93/34 : Author(s): Yu. V. Kadilnikov (Russia)

3. Assessment of incidental catches of seabirds in the French EEZ included in Division 58.5.1 and Subarea 58.6

   global diminution of seabird incidental mortality. This document presents a quantified assessment of the ... evolution of avian mortality between 2007 and 2013, ongoing studies and research in the nature reserve of ... incidental catch of seabirds for the 2013-2014 period. It also presents a synthesis of the populations ... .   Author(s):  C. Marteau (France) Title:  Assessment of incidental catches of seabirds in the French EEZ ...

   Meeting Document : WG-FSA-13/06 : Author(s): C. Marteau (France)

4. Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99

   Abstract:  Positions of commercial krill operation for 1980/81 season to 1998/99 season in the ... area to the north of South Shetland Islands were analyzed by using GLM (generalized linear model ... ). Fishing season, the timing, and the longitude were significant factors to explain the variability of ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ...

   Meeting Document : WG-EMM-00/58 : Author(s): S. Kawaguchi (Japan)

5. The importance of standardising and validating new methods for CEMP to maintain the robustness of long-term time series

   , non-disturbing monitoring within CEMP against a background of increasingly tight funding for long-term ... standardising new methods against current methods is critical to maintain the robustness of long-term time ... series and is an important consideration for the inclusion of new methods in the CEMP. We briefly ... summarise aspects of recently published work on a number of new methods applied to Adélie penguins in East ...

   Meeting Document : WG-EMM-15/44 : Author(s): C. Southwell and L. Emmerson (Australia)

6. An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002

   vicinity of the South Shetland Islands, Antarctica were re-analyzed using updated procedures for ... compensating for diel vertical migration of krill outside of the acoustic observation window. Intra-and inter ... surveys conducted in the austral summers of 1991/1992 through 2001/2002. Estimated biomass density ranged ... variability may be attributed to changes in the spatial distribution of krill relative to the survey area ...

   Meeting Document : WG-EMM-03/6 : Author(s): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)

7. Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data

   Abstract:  To estimate optimal relative sample size of scientific observer data collected on ... –2008 were analysed by using a hierarchical Bayesian model. The models were composed of multistage ... -temporal variability in size structure of krill population, which is presumably derived from large ... variability of recruitment causing difficulty in predicting krill population dynamics. Variances of observer ...

   Meeting Document : WG-EMM-12/68 : Author(s): T. Okuda and M. Kiyota (Japan)

8. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   Abstract:  We outline a method for the direct determination of age in Antarctic krill (Euphausia ... endocuticle layer of the eyestalks and gastric mill in decapod crustaceans. Here we report on a preliminary ... proof of concept study using several known age krill grown under controlled conditions at the Australian ... performed. First, longitudinal sections of the eyestalk from known age krill (2+ and 3+ years old) were ...

   Meeting Document : WG-EMM-15/45 : Author(s): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

9. Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery

   prevalence of three species, Notothenia rossii, Gobionotothen gibberifrons and N otothenia coriiceps in ... 2007 and 2012 around the South Shetland Islands: (1) continued increase in the  abundance of N. rossii ... ; (2) further decline in G. gibberifrons recruitment evidenced by low proportions of juvenile fish; and ... (3) a high abundance of N. coriiceps. Reasons for lack of recovery in G. gibberifrons remain obscure ...

   Meeting Document : WG-FSA-17/P01 : Author(s): E. Barrera-Oro, E. Marschoff and D. Ainley

10. How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?

    overwintering of krill in the Southern Ocean. The information on trophic variation of krill under ice-free ... waters during the winter can also provide the insight for understanding the response of krill to global ... diet of adult krill with size and month during the winter season (June to September 2016) at the South ... N values between sexes of krill. Nitrogen isotope signatures suggested increasing carnivory with ...

    Meeting Document : WG-EMM-2019/P04 : Author(s): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang

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