Search results

1. Statistical problems in krill stock hydroacoustic assessments

   Paper Title:  Statistical problems in krill stock hydroacoustic assessments Abstract / Description ... applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... the population is fixed in space, relative to the sampling interval. There remain several unsatisfied ... SC-CAMLR-VII/BG/22 STATISTICAL PROBLEMS IN KRILL STOCK ... assessments of krill. The first is the methods applied to establish biomass in a survey area and the second ... is the improvement in accuracy of target-strength measurements. In the case of statistical methods ... difficult by the fact that most survey methods assume the population is fixed in space, relative to the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.

2. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   . Details of the tanks and number of fish exam- ined is provided in Table 1. All vessels were long- liners ... in Subarea 48.3 Abstract / Description:  During the 2005 fishing season, experiments on the ... survivorship of toothfish following tagging were carried out on eight different vessels fishing in Subarea 48.3 ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Author(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

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

   annuels B long terme. Monenb BbInOBa KpHnR H 0 6 0 6 W e ~ ~ a R MOAenb BbIn ... H YEcneHHocTH HccneAyeMoro sanaca. B HacToxmee BpeMX AHTKOM HCIIOJIb3yeT MOAenb BbInOBa KpHJIR AnR OnpeAeneHHx ... O ~ P ~ H H Y ~ H H ~ ~ Ha BMJIOB KPHnR, B TO BpeMR KaK GY-~ofleJIb TIpHMeHReTCR AJIR PaCveTa BbInOBa IInaBHHKOBbIX pb16 ... flnX flaHHOr0 IIpOrOHa. B MOAeJIM BbInOBa KPHJIR HCnOnb3yeTCR CMeWeHHaR OUeHKa ... Paper Title:  Bias in the estimation of krill yield from using a deterministic formulation of the ... unexploited spawning biomass. These models are used in order to account for uncertainty in the biological ... model as a basis for setting catch limits in the krill fishery, while the GYM is used for assessing ... yield in other finfish fisheries but can also be used for krill. The decision rules relate to the ...

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

4. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

   Paper Title:  Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... in the South Sandwich and South Orkney Islands areas during a cruise by RV AtlantNIRO in March/April ... 1990. The survey was conducted in the upper 100 m layer using a modified Isaacs-Kidd trawl. Trawling ... Islands was assessed at 3.8 million tonnes, most of which was concentrated in the waters of the Weddell ... WG-KRILL-90/21 KRILL BIOMASS ASSESSMENT IN STATISTICAL ... census survey was carried out at two fishing grounds in the South Sandwich and South Orkney Islands ... areas during a cruise by RV AtlantNIRO in March/April 1990. The survey was conducted in the upper 100 ... , most of which was concentrated in the waters of the Weddell Sea. In contrast to this site, the one ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Author(s): Fedotov, A.C.

5. On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611

   . B more BbInOnHeHbI 345 ~pUIeHllfi: 29 BOKPYr CKWI mar, 104 B pafi0He WXCH0fi reoprtlll, 8 y K)mHblX ... Paper Title:  On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 took place around ... m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... and P. formosa) were found only around Shag Rocks and South Georgia. P. spinosissima was caught in ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Author(s): López Abellán, L.J. and E. Balguerías

6. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

   Paper Title:  Protecting young fish and spawning aggregations of Champsocephalus gunnari in ... spawning aggregations in fisheries generally, and specifically in the Champsocephalus gunnari fishery in ... measures put in place by CCAMLR to date. These measures are re-examined in the light of new information ... , and a strategy for the future protection of young fish and spawning aggregations of C. gunnari in ... FISH AND SPAWNING AGGREGATIONS OF CILAMPSOCEPHALUS G U W A R I IN SUBAREA 48.3 (SOUTH GEORGIA): A ... The need to protect young fish and spawning aggregations in fisheries generally, and specifically in ... the Chaiizpsocephalus guiznari fishery in Subarea 48.3, is reviewed. Mechanisms available to achieve ... these objectives are discussed, including the measures put in place by CCAMLR to date. These measures ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Author(s): Parkes, G.B

7. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

   Total effort (x109in3) 1985/86 7 2538-3608 244-1225 13, 15 1316 1.66 1993/94 3 2903-4991 ... fishery data in Subarea 48.1 Abstract / Description:  Proportional recruitment indices and CPUE in Subarea ... . CPUE (catch/towing volume) in the Livingston Island area showed a decreasing trend during the study ... period. The use of different fishing strategies in response to a demand for higher product quality and a ... general decrease in krill density in the study area were considered as possible reasons for this. On the ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Author(s): Kawaguchi, S., T. Ichii and M. Naganobu

8. The use of patent databases to predict trends in the krill fishery

   Paper Title:  The use of patent databases to predict trends in the krill fishery Abstract ... / Description:  The fishery for Antarctic krill (Euphausia superba) caught 210 000 tonnes in 2009/10 with ... vessels from six of CCAMLR’s 25 Members participating in the fishery. Trends in the krill fishery are ... detect trends in the fishery, and of the need to obtain more information from the krill industry so that ... numerous factors, including, but not limited to, increased and diversified participation in the fishery ... , advances in technology, the rapid decline of global fish stocks and an ever-increasing global population ... (Nicol et al., 2011). CCAMLR aims to manage the krill fishery in line with its precaution- ary and ... precautionary management, it is essential that the fishery develops in an orderly fashion and this requires ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Author(s): Foster, J., S. Nicol and S. Kawaguchi

9. Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96

   Paper Title:  Trends in population size and breeding success at colonies of macaroni and ... penguin colonies investigated decreased in size over the study period, while the other two remained stable ... . The only significant relationship between inter-season trends in the number of pairs breeding at the ... period, while the other remained stable. Trends in the number of pairs breeding at the three rockhopper ... CCAMLR Science, Vol. 4 (1997): 89-103 TRENDS IN ... investigated decreased in size over the study period, while the other two remained stable. The only ... significant relationship between inter-season trends in the number of pairs breeding at the three colonies ... the other remained stable. Trends in the number of pairs breeding at the three rockhopper penguin ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Author(s): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford

10. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

    Paper Title:  Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996 ... Abstract / Description:  Finfish stocks in the Antarctic Peninsula region (Subarea 48.1) were exploited ... from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of Elephant Island ... CCAMLR Science, Vol. 5 (1998): 165-189 CHANGES IN THE ... Finfish stocks in the Antarctic Peninsula region (Subarea 48.1) were exploited from 1978/79 to 1988/89 ... , with most of the commercial harvesting taking place in the first two years of the fishery. Results of ... bottom trawl surveys conducted by Germany in the vicinity of Elephant Island in the 1980s showed that ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H

Pages