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1. The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery

   with the krill fishery Abstract / Description:  This paper presents a summary of the foraging locations of Adélie ... regularly travelled up to 120 km offshore to the continental shelf and returned with krill, Euphausia ... superba. Locations of penguins on foraging trips were compared with historical records of fine-scale krill ... catch data for the regions of interest. The potential for overlap with krill fishing occurs particularly ... OF ADELIE PENGUINS - IMPLICATIONS FOR CEMP AND INTERACTIONS WITH THE KRILL FISHERY K.R. Kerry, J.R ... to the continental shelf and returned with krill, Etlplzausza superba. Locations of penguins on foraging trips were ... compared with historical records of fine-scale krill catch data for the regions of interest. The potential ... for overlap with krill fishing occurs particularly where ice conditions permit the fishing fleet to approach ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Author(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson

2. Quantifying movement behaviour of vessels in the Antarctic krill fishery

   Paper Title:  Quantifying movement behaviour of vessels in the Antarctic krill fishery Abstract ... / Description:  Ten years of recent fine-scale haul-by-haul krill data were used to characterise the behaviour ... of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a distinct ... a generalised fishery model. Updates for some of the parameters for the krill fishery model suggested ... Quantifying movement behaviour of vessels in the antarctic krill fishery S. Kawaguchi and S.G. Candy ... -scale haul-by-haul krill data were used to characterise the behaviour of the krill fishery. Analysis ... fishery model. Updates for some of the parameters for the krill fishery model suggested in the late 1980s ... -round data on all vessels participating in the krill fishery to assist in interpreting the annual ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Author(s): Kawaguchi, S. and S.G. Candy

3. Estimating optimal observer coverage in the Antarctic krill fishery

   Paper Title:  Estimating optimal observer coverage in the Antarctic krill fishery Abstract ... 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 ... on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... Estimating optimal obsErvEr covEragE in thE antarctic krill fishEry D.J. Agnew1, P. Grove2, T. Peatman1 ... krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... to reliably estimate parameters of interest, in this case the mean (or median) krill length and the rate ... been present on board for about 30% of that season. They have achieved a rate of krill sampling ...

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

4. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   Paper Title:  Bias in the estimation of krill yield from using a deterministic formulation ... of the median unexploited spawning biomass Abstract / Description:  Two Monte Carlo simulation models, the krill ... and abundance of the stock being assessed. CCAMLR currently uses results from the krill yield model as a basis ... for setting catch limits in the krill fishery, while the GYM is used for assessing yield in other finfish ... IN THE ESTIMATION OF KRILL YIELD FROM USING A DETERMINISTIC FORMULATION OF THE MEDIAN UNEXPLOITED SPAWNING BIOMASS ... Tasmania, Australia Abstract Two Monte Carlo simulation models, the krill yield model ... of the stock being assessed. CCAMLR currently uses results from the krill yield model as a basis for setting ... catch limits in the krill fishery, while the GYM is used for assessing yield in other finfish fisheries ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Author(s): Constable, A.J. and W.K. de la Mare

5. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   Paper Title:  Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... positions seemed to be primarily governed by the distribution of larger mature krill, especially ... , such as salp abundance and the proportion of green krill, also seemed to have an increasing effect on trawling ... OF KRILL TRAWLING POSITIONS NORTH OF THE SOUTH SHETLAND ISLANDS (ANTARCTIC PENINSULA AREA), 1980181 ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... in the season. Trawling positions seemed to be primarily governed by the distribution of larger mature krill ... product quality, such as salp abundance and the proportion of green krill, also seemed to have ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Author(s): Kawaguchi, S. and K. Segawa

6. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   Paper Title:  Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description:  Following an assessment of Antarctic krill ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches ... demand in the SSMU; (iii) estimated standing stock of krill in the SSMU; and (iv) standing stock less ... OPTIONS FOR ALLOCATING THE PRECAUTIONARY CATCH LIMIT OF KRILL AMONG SMALL-SCALE MANAGEMENT UNITS ... of Antarctic krill (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit ... the precautionary catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches ... demand in the SSMU; (iii) estimated standing stock of Hewitt et al. 82 krill in the SSMU; and (iv ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Author(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

7. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   Paper Title:  Some comments on the procedure for testing estimators of krill abundance which ... utilise survey data Abstract / Description:  Since krill distributional data do show evidence of spatial ... generation of krill distribution patterns, which are compatible with existing information ... on the distributions from surveys. ‘Two-level’ models of krill distribution are considered. These achieve overall ... WG-KRILL-91/21 SOME COMMENTS ON THE PROCEDURE ... FOR TESTING ESTIMATORS OF KRILL ABUNDANCE WHICH UTILISE SURVEY DATA D.S. Butterworth*, D.L. Borchers ... * and D.G.M. Miller** * ** Abstract Since krill distributional data do show evidence of spatial ... generation of krill distribution patterns, which are compatible with existing information ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

8. Sources of variance in studies of krill population genetics

   Paper Title:  Sources of variance in studies of krill population genetics Abstract / Description ... :  There has been a long-term interest in the population genetics of Antarctic krill species because ... in identifying distinct stocks of swarming krill species has been driven by the development of genetic ... . This has important implications for the design of future studies of krill population genetics, which must ... , Vol. 9 (2002): 107–116 107 SOURCES OF VARIANCE IN STUDIES OF KRILL POPULATION GENETICS S.N. Jarman ... krill species because of their ecological and economic importance. The possibility ... for their conservation. A recent resurgence of interest in identifying distinct stocks of swarming krill species has ... implications for the design of future studies of krill population genetics, which must be able to accommodate ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Author(s): Jarman, S.N. and S. Nicol

9. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate ... in the Antarctic Peninsula region Abstract / Description:  A net sampling survey for krill was carried out by RV ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis ... a P/B ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... WG-KRILL-91/15 ESTIMATION OF KRILL (EUPHAUSIA SUPERBA ... survey for krill was carried out by RV Meteor along the Antarctic Peninsula from 26 December 1989 to 14 ... interannual variability between available surveys reached only a factor of 1:1.6. Krill mortality ... . The exchange rate of water masses and krill biomass within one summer season was roughly estimated as two ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.

10. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

    Paper Title:  Midwater trawl catchability as an aspect of a quantitative assessment of krill ... catchability and krill distribution patterns. A comparative analysis of trawl catchability for commercial ... by high relative error. A standard method for conducting krill trawl census surveys needs to be developed ... of the total amount of krill entering the trawl should be carried out when selecting trawl construction. File ... WG-KRILL-91/32 MIDWATER TRAWL CATCHABILITY AS AN ASPECT ... OF A QUANTIT ATIVE ASSESSMENT OF KRILL BIOMASS CONDUCTED USING A TRAWL CENSUS SURVEY S.M. Kasatkina ... will improve with better knowledge of trawl catch ability and krill distribution patterns. A comparative ... for conducting krill trawl census surveys needs to be developed. Mathematical modelling fishing trawls as well ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.

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