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1. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   Paper Title:  Preliminary analyses of data collected during experimental phases of the 1994/95 and ... 1995/96 Antarctic crab fishing seasons Abstract / Description:  Data collected on board the FV American ... Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... models and depletion estimators. Results from the generalised additive models show that the density of ... over a wide area. Phase 1 should be undertaken a t the beginning of the first season in which a ... at the beginning of the second season i n which a vessel participates in the crab fishery. In ... about recovery/recmitment rates after depletion events (SC-CAMLR, 1993). The FV American Champion is ... CCAMLR meeting, and initiated Phase 2 of the EHR immediately following the end of this meeting (when ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Автор(ы): Watters, G

2. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   Paper Title:  Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined ... . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... Antarctic icefish, bumphead notothenia, and Scotia Sea icefish. This was primarily caused by the heavy net ... some Antarctic fish, which make it difficult for them to escape from the codend. Selectivity properties ... them was worked out during investigations : the codend used had open splitting straps. Only after ... size was 123.6 mm, after the first two and after 30 hours of the codend exploitation its mesh size ... 62.5 mm dry and 61.9 mm wet. A change in the size of mesh after submerging in water was very slight ... rigging was slightly changed. At the beginning, the codend and the cover were encircled by 4 thick ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Автор(ы): Zaucha, J.

3. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

   Paper Title:  Quantifying vessel performance in the CCAMLR tagging program: spatially and ... tagging program is critical to the successful management of a number of toothfish fisheries in Antarctica ... . In particular, tag-detection rates are directly linked to stock size estimated from the tag data in ... an integrated stock assessment. Previous attempts to assess the relative reliability of vessels in ... yields (Mormede et al., 2011a, 2011b; Mormede, 2011). In those analyses, the assumed values of ... mortality of tagged fish and the subse- quent detection rate of recaptured tagged fish are important input ... parameters. For example, under- estimating the tag-detection rate of the fleet will result in an ... overestimate of the stock biomass. The assessment model assumes that all vessels have equal tag-detection ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Автор(ы): Mormede, S. and A. Dunn

4. Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides

   Paper Title:  Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides ... Abstract / Description:  Traditionally, the approach used in the assessment of new fisheries has been based ... on research surveys, making it possible to estimate the standing stock and potential yield of a ... resource by coarse methods. The main aim of such surveys is to monitor fishing operations in order to ... analysis for the Dissostichus eZeginoides fishery south of Chile, where a new fishery is beginning, with ... = numbers at the beginning of the research survey J.1i = exploitation rate F i = fishing mortality r i ... m = terminal age L\ = time between the beginning of the year and the beginning of the research ... • projecting stock size at the beginning of the fishing season, based on stock age composition estimated at ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Автор(ы): Zuleta, A.V. and C.A. Moreno

5. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   Paper Title:  The use of predator-derived krill length-frequency distributions to calculate krill ... target strength Abstract / Description:  The relationship between krill abundance and predator ... krill sampled from the diet of predators to provide a length-frequency distribution of krill at times ... calculated from acoustic data. Changes in the lengthfrequency distribution of krill over a period of a few ... additional estimates of krill abundance at the beginning and end of the Antarctic summer in conjunction ... ,,,) and in the diet of Antarctic fur seals (TSpred) after the application of a correction factor based on ... relationship given by Morris et al. (1988). After measuring krill in a sample to the nearest millimetre, the ... . By assessing the krill biomass at either end of the austral summer, in addition to the normal ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Автор(ы): Reid, K. and A.S. Brierley

6. Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3

   Paper Title:  Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3 ... Abstract / Description:  Natural mortality (M) of Dissostichus eleginoides was calculated after Sparre ... (1989) from the data obtained during the Chilean longline fishery in Subarea 48.3 (N = 7 848. The von ... differences in M between fishing sites. On the other hand, when comparing various mean values of M for the ... ) of Dissostichus eleginoides was calculated after Sparre (1989) from the data obtained during the ... Chilean longline fishery in Subarea 48.3 (N = 7 848). The von Bertalanffy growth parameters obtained ... sites. On the other hand, when comparing various mean values of M for the different cases, it was ... straight hooks No. 22. The general mean value of M calculated for the 44 analysed situations was 0.14 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Автор(ы): Moreno, C.A. and P.S. Rubilar

7. Integration of CPUE data into assessments using the Generalised Yield Model

   Paper Title:  Integration of CPUE data into assessments using the Generalised Yield Model Abstract ... / Description:  For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... accorded high priority to the development of methods of integrating different indicators of stock status ... into assessments using the Generalised Yield Model (GYM). In this paper, we propose a method, based on ... beginning of a projection trial are drawn from a lognormal distribution estimated from the time series of ... through the 95% confi- dence limits of the annual standardised CPUEs (after rescaling). In an example ... ), paragraph 3.144. The method itself is described in the next section, after which a series of goodness-of ... distributions, the weights used for test is two-sided, with departures at either end simulation n should be ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable

8. Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season

   of krill off Wilkes Land during the 1985/86 season Abstract / Description:  Japanese krill fishing ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... -finder’ was most useful in detecting swarms, while sonar was used to judge the towing direction. The size ... sample taken from the mouth of the net and the other from the end of net. After the comparison, of ... rely. When swarms were small and scattered (generally in the beginning of the season), sonar was ... time tended to be a little higher during the half-light period after sunset. In late-summer (latter ... condensation - aggregating in dense swarms during the daytime and migrating to the surface after sunset ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Автор(ы): Ichii, T.

9. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

   Paper Title:  Effect of line sink rate on albatross mortality in the Patagonian toothfish longline ... vessels to derive a sink rate and line-weighting regime that would minimise the capture of albatrosses ... /s should greatly reduce the incidental take of albatrosses. For autoline vessels with gear and line ... -setting characteristics similar to the experimental vessel, this sink rate should be achievable with 4 kg ... the end of the snoods on the mother line from the anchors. The anchors were attached to 18 mm ropes ... diameter floats, a radio beacon and a flag: these marked each end of the anchor line and were used to ... in Figure 2. The longline on the In Sung 66 was marked on each end by four to six 1 m diameter ... floats, a radio beacon and a light to enable the end of the line to be found in case the line broke ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Автор(ы): Robertson, G.G

10. Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations

    Paper Title:  Fishing ground selection in the Antarctic krill fishery: trends in patterns across ... characterised using STATLANT and CCAMLR fine-scale data. Among the 15 small-scale management units (SSMUs ... ) within Subareas 48.1, 48.2 and 48.3, including the pelagic SSMUs, only one-third were identified as major ... contributors to the total catch. A recent shift in operational timing towards later months within fishing ... increased. Subarea 48.3 became the main fishing area from 1985 until 1993, but after this period the level ... , beginning operations late in the 1999/2000 fish- ing season. For the first two seasons, it only oper- ated ... , beginning with the SSMUs in Subarea 48.1 earlier in the season. Trends in catches in the Japanese krill ... the pelagic SSMUs. The second period is 1990 onwards, after operations in Subarea 48.3 had begun ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Автор(ы): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

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