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1. Informe de Pesquería 2016: Dissostichus eleginoides Isla Heard, ZEE de Australia (División 58.5.2)

   . Estas prospecciones se han llevado a cabo desde 1990. En el documento WG-FSA-06/44 Rev. 1 se detallan los diseños ... de las prospecciones y en el documento WG-FSA-16/23 se describe el correspondiente a la prospección de 2016 ... una evaluación cuantitativa del riesgo del granadero Caml (Macrourus caml), y en el documento WG-FSA-15 ... , talla de madurez y estimaciones de la abundancia). En el documento WG-FSA-13/22 se presentó un análisis ...

   Document : Site Section: Publications

2. Supervised and unsupervised (RapidKrill) estimates of krill density from DY098

   , using python,  processing  of acoustic  data  collected  during  the  UK  cruise  DY098.  The  same ...   data processing procedures are applied in both methods, and we show that the unsupervised method comes ...   up  with  a  similar estimate  of krill  NASC  and  krill  density  as  the  supervised  method.  An ... estimate of krill density is supplied for the WCB survey using three methods. The multifrequency method ...

   Meeting Document : SG-ASAM-2019/09 : Autor(es): A. Ariza, S. Fielding and R. Blackwell

3. By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)

   amount of krill that was subsampled for making observations on fish by-catch. The by-catch data from the ... size (as a fraction of haul-specific krill catches) for observers collecting data on fish by-catch ... Paper Title:  By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in ... of scientific observations conducted aboard the Japanese krill fishing vessel Chiyo Maru No. 2 ... krill that was subsampied for making observations on fish by-catch. The by-catch data from the Ckiyo ... a fraction of haul-specific krill catches) for observers collecting data on fish by-catch. Resume ... standardised by krill catch and fishing effort. Unfortunately, the by-catch data presented in Armstrong (1995 ... the topic of subsampling the krill catch. METHODS The haul-by-haul fish by-catch data from ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Autor(es): Watters, G

4. Can we satisfactorily estimate variation in krill abundance?

   Paper Title:  Can we satisfactorily estimate variation in krill abundance? Abstract / Description ... :  Knowledge of abundance and rates of change of abundance are basic requirements for fisheries models. Catch ... per unit effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator ... of abundance. It is less satisfactory for pelagic fisheries. Evidence is given that CPUE estimated ... abundance. It is less satisfactory for pelagic fisheries. Evidence is given that CPUE estimated from data ... SATISFACTORILY ESTIMATE VARIATION IN KRILL ABUNDANCE?* I. Everson1 (United Kingdom) Abstract Knowledge of ... abundance and rates of change of abundance are basic requirements for fisheries models. Catch per unit ... effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Autor(es): Everson, I.

5. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   Paper Title:  Spatial distribution of management measures, Antarctic krill catch and Southern ... between habitat (bioregion), existing spatial management and Antarctic krill catch in the Southern Ocean ... . The analysis required standardised information on the location and extent of spatial fisheries ... distribution of catch within the open fraction. For example, only 26% of the total area open to krill fishing ... , including data on habitat types, fisheries catch and existing spatial management. This paper demonstrates ... how standardised geo- graphic information on spatial management can be used with data on fisheries ... bioregionalisa- tion as an indicator of habitat, and catch data for Antarctic krill, Euphausia superba ... shelf break, and in frontal zones. The analyses performed in this study used weighted krill catch data ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Autor(es): Grant, S.M., S.L. Hill and P.T. Fretwell

6. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   Paper Title:  Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed ... distribution around South Georgia Abstract / Description:  Analyses of the distribution of krill fishing based ... on fine-scale (0.5 o latitude x 1 o longitude) data show that harvesting in the Scotia Sea has been ... . Although these data give a general idea of where the fishery has operated, they do not reveal the localised ... understand what factors control the distribution of krill. Analyses of fisheries data have often been used ... of restricted temporal extent. There are few data available where krill have been studied over more ... resolved by one-off discrete sampling surveys. A number of studies have already used krill-fishery data ... analyse the krill fishery have been in two forms; subarea or STATLANT data, and fine-scale (0.5 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Autor(es): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

7. Chilean krill fishery: analysis of the 1991 season

   data and its use in studying small-scale spatial distribution of catches. The results show that krill ... Paper Title:  Chilean krill fishery: analysis of the 1991 season Abstract / Description:  This ... paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ... fishing in Subarea 48.1 is particularly intense near CEMP sites. Other ways of using of haul-by-haul data ... haul-by-haul data are suggested. Resume Le present document recapitule les donnees de capture ... water) is a primary task for both WG-Krill and WG-CEMP. Haul-by-haul CPUE data from other fishing areas ... reported to CCAMLR. 1988-1990. Document wG-Krill-91/9. CCAMLR, Hobart, Australia. 277 Table 1 ... : Species of fish found as by-catch during krill fishing in Subarea 48.1 (1991 season). Data from ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Autor(es): Marín, V.H., A. Mujica and P. Eberhard

8. Estimating optimal observer coverage in the Antarctic krill fishery

   Paper Title:  Estimating optimal observer coverage in the Antarctic krill fishery Abstract ... / Description:  Data collected as part of the CCAMLR Scheme of International Scientific Observation from ... conventional krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ... scheme for krill observers. However, this dilemma is fortunately not without precedent. Many fisheries ... length of krill and the fish larval by-catch rate. Second, to determine how many years of data ... observer data from krill fishing around South Georgia since 2002 were acquired from CCAMLR and pooled ... Mean krill length The availability of data on krill length is shown in Table A3, with mean krill ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Autor(es): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

9. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   structure of Antarctic krill at South Georgia Abstract / Description:  A composite recruitment index based ... on density data derived from acoustic surveys and on length-frequency data obtained from either ... and length data are derived from standard station net hauls only. Comparison of these indices showed ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... Japanese fisheries data in Subareas 48.1, 48.2 and 48.3 dur ing 1980 through 1997. Document WG-EMM-98 ... obtaining acoustic estimates of krill density that can be used to transform the length-frequency data into ... effect of this area it is vital that more data be collected on the population structure of krill from ... collect krill length data, in particular I wish to thank Helen Hill and Heather Daly who not only helped ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L

10. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

    Paper Title:  Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... methods of determining subarea or local area krill catch limits are evaluated relative to six criteria: (i ... ) the degree to which information on biological relationships is considered; (ii) the cost of data ... consider the relationships between krill and dependent predators. The seabed area data presented in ... not make an explicit consideration of krill-predator interactions, so data collection costs and ... between krill and land-breeding predators during the predators' reproductive phases. Data are already ... estimates of krill biomass will incur substantial long-term costs associated with data collection. It is ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Autor(es): Watters, G. and R.P. Hewitt

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