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1. Surface water circulation in krill fishing areas near the South Shetland Islands

   deployed in shelf and oceanic waters to the north of the South Shetland Islands. Each buoy was deployed ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... buoy tracks, the surface circulation to the north of the South Shetlands shelf was described as a slow ... sluggish southwest current with a series of small-scale circular and semi-circular flows in the shelf ... . Naganobu National Research Institute of Far Seas Fisheries 5-7-1, Orido, Shimizu, 424 Japan Abstract ... oceanic waters to the north of the South Shetland Islands. Each buoy was deployed with a drogue attached ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ... surface circulation to the north of the South Shetlands shelf was described as a slow sluggish southwest ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Auteur(s): Ichii, T. and M. Naganobu

2. Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler

   questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... during FIBEX surveys. Since very little searching time is spent on layers, the utility of searching time ... data appears doubtful. Secondly, the utility of indices based on the sum of primary and secondary ... searching times (PST+SST) is also doubtful because SSTs are markedly dependent upon the type of products ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... is spent on layers, the utility of searching time data appears doubtful. Secondly, the utility of ... indices based on the sum of primary and secondary searching times (PST +SST) is also doubtful because ... SSTs are markedly dependent upon the type of products being produced, and the demand for each product ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Auteur(s): Ichii, T. and Y. Endo

3. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   fledgling weights Abstract / Description:  Statistical models of variation in Adélie penguin fledgling ... variability of fledgling weights. These models assume that data are collected during a fixed CEMP five-day ... year, but there was no evidence that the rate of decline differed between years. A consequence of this ... at a single time each year, without substantial loss of power to detect change. Further modelling ... demography of the breeding birds. In this paper, the consequences of natural between- and within-year ... . Emmerson, C. Southwell and J. Clarke Australian Antarctic Division Department of Environment and ... Abstract Statistical models of variation in Adélie penguin fledgling weight data were used to examine the ... from first principles and incorporated both within- and between- year variability of fledgling weights ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Auteur(s): Emmerson, L.M., C. Southwell and J. Clarke

4. Modelling krill recruitment

   observed values of the mean proportion of recruits and its variance to model recruitment in a krill ... population in terms of numbers of recruits. The method includes the calculation of natural mortality and ... for generating families of recruitment functions which are consistent with the statistical uncertainty ... Paper Title:  Modelling krill recruitment Abstract / Description:  A method is developed for using ... recruitment, in terms of a mean and variance. The aim of this paper is to present a me thod of us ing ... to Justin Cooke and an anonymous reviewer for (30) helpful comments on the draft text of the paper ... , Australia Abstract A method is developed for using observed values of the mean proportion of recruits ... and its variance to model recruitment in a krill population in terms of numbers of recruits. The ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Auteur(s): W.K. de la Mare

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

   application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... 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 ... collection; (iii) the reliability of required information; (iv) the ease of enforcement; (v) the effects on ... surveys, and (9) Models of predator-prey interactions. This paper is intended to initiate a discussion ... Article IT of the CCAMLR Convention. Finally, we would like to reiterate this paper's intent. This paper ... -west Atlantic and Antarctic Peninsula regions of the Southern Ocean. In: Selected Scientific Papers ... (Euphausia superba) in Statistical Area 48. The measure also implies an application in future of ...

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

6. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   / Description:  Division 58.5.2 encompasses the southern part of the Kerguelen plateau, and contains Heard ... . In order to assess the potential of this area for commercial fishing, and to obtain some preliminary ... distribution, abundance and biology of the most important species, covering a number of years and seasons. Five ... species were found to be abundant. There were two consistent areas of aggregation of Champsocephalus ... and biology of the most important species, covering a number of years and seasons. This paper ... encompasses the southern part of the Kerguelen plateau, and contains Heard Island and the McDonald Islands ... potential of this area for commercial fishing, and to obtain some preliminary data for its management ... of the most important species, covering a number of years and seasons. Five species were found to be ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Auteur(s): Williams, R. and W.K. de la Mare

7. Factors to consider in developing management measures for krill

   / Description:  A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... Living Resources is given along with an outline of steps for the evolution of management procedures for ... krill fisheries. Various possible elements of procedures such as reactive, predictive, and feedback ... management, modelling, indicator species, pulse fishing, and the use of open and closed areas and seasons are ... investigation and their application. FAO Fish. Tech. Pap. 115. p. 214. LAWS, R.M. 1977. The significance of ... of recent work on the management of exploited whale populations. Paper SC/M87/R presented to the ... MANAGEMENT MEASURES FOR KRILL W.K. de la Mare>l< Abstract A brief review of the objectives of the ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Auteur(s): de la Mare, W.K.

8. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   (Euphausia superba) in Subareas 48.1, 48.2 and 48.3 requires a basis for the assessment of resource status ... , and an algorithm for specifying the levels of regulatory mechanisms (e.g., a catch control law) that ... depends on the results of the assessment. The development and selection of a procedure requires a basis ... for the simulation testing of procedures, and an operational definition of CCAMLR Article II to ... . 1983. The potential yield of fish stocks. FAOFish. BioI. Tech. Pap. 242: 47. BERGH, M.O. and D.S ... example of this process is reported in this paper, together with numerical results for the performance of ... indeed it is a purpose of this paper to encourage), it is ESSENTIAL that they too be set out in ... , it is a purpose of this paper to encourage others to voice just such reservations. But it is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Auteur(s): Butterworth, D.S.

9. Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)

   del Fuego was conducted as part of the New Fisheries Projects developed by Chile, primarily to ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ... Mustad Kirby type, set between depths of 600 and 2 550 m. Sardines (Sardinops sagax) and squid (Illex ... Abstract During February and March 1998, a 43-day cruise on FV Tierra del Fuego was conducted as part of ... the New Fisheries Projects developed by Chile, primarily to establish the presence of Dissostichus ... operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 Mustad Kirby type, set between ... depths of 600 and 2 550 m. Sardines (Sardinops sagax) and squid (Illex argentinus) were used as bait ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Auteur(s): Arana, P.M. and R. Vega

10. Survey design to estimate krill abundance during FIBEX

    of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... of the primary aims of FIBEX (First International BIOMASS Experiment), 1981 was to study the ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ... this papers. Sampling involved the use of echosounders for estimating krill abundance as well as ... ABUNDANCE DURING FIBEX I. Everson, I. Hampton, G.M. Jolly Abstract One of the primary aims of FIBEX ... of krill. The survey design used in the southwest Atlantic study area of the FIBEX is described in ... collection of data on the size, density and distribution of krill swarms. In addition, information on ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Auteur(s): Everson, I., I. Hampton and G.M. Jolly

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