Résultats de la recherche

1. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.1

   catches (SC-CAMLR- XXXIII, paragraph 3.68). Those years that include quarantined data are indicated with a ... with assessed fisheries and are not more than 3–4% of the estimated stock size. In 2014, five research ... Dissostichus spp.) are shaded. Throughout this report the CCAMLR fishing season is represented by the year in ... year by 6%. The catch limit was again exceeded in 2009 and 2011 by 6% and 2% respectively (Table 1 ...

   Document : Site Section: Publications

2. Fishery Report 2013: Dissostichus eleginoides Heard Island (Division 58.5.2)

   fishing methods continued until 2013, with an increasing proportion of longline fishing in each year ... combined with year-specific ALKs to obtain catch- at-age data for input as observations in CASAL for each ... year between 1997 and 2008. Proportions at length that were combined with ALKs were calculated ... , selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. 18 ...

   Document : Site Section: Publications

3. Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions

   functions for different years in the assessment model. This is done in the usual way but with repeated input ... , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s):  A.J. Constable (Australia) Title ...

   Meeting Document : WG-FSA-01/74 : Auteur(s): A.J. Constable (Australia)

4. Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering

   and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to ... , dB) for single ping were less than 1.0 dB with 0.35 dB and 0.78 dB at 120 kHz and 38 kHz ... , respectively. However, ANOVA analysis indicated that there was no significant difference among years at both ...

   Meeting Document : SG-ASAM-18/06 : Auteur(s): X. Wang, X. Yu and X. Zhao

5. Trawl bag selectivity in the Champsocephalus gunnari fishery

   were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... and the selectivity factor was 3.10 for a mesh size of 80 mm. Comparison of these results with results ... from previous years demonstrates close similarity. A significant increase in modal length (up to 34-35 ... was 3.10 for a mesh size of 80 mm. Comparison of these results with results from previous years ... of 299 80 cm. Comparison of these results with those from previous years shows close similarity ... 1990 in the South Georgia area concurrently with trawl surveys as part of the main biological and ... BMRT Anchar in June 1990 in the South Georgia area concurrently with trawl surveys within the main ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Auteur(s): Bidenko, V.G. and I.G. Istomin

6. Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program

   , 9) net sampling for krill in association with the hydroacoustic survey, 10) sampling for larval ... densities associated with krill distribution, and 12) collection of cephlapod specimens. Author(s ... included 1) ice seal studies in Gerlache Strait, 2) ichthyoplankton survey around South Georgia, 3) benthic ...

   Meeting Document : SC-CAMLR-VIII/BG/34 : Auteur(s): Delegation of USA

7. Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Seljevær, Norway

   Abstract:  A multi-year, multi-member research program was established to map and sample the ... . The vessel had a technical failure with the echosounder and bathymetry data are of low quality. The ... vessel set 5 longline sets with all vessel operations conforming to the required research criteria. A ... Norwegian fishing vessel FV Seljevær surveyed SSMRU 88.2 A, research block 3, defined in the multi-Member ...

   Meeting Document : WG-SAM-15/42 : Auteur(s): Delegation of Norway

8. Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions

   Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ... (six areas, levels 4-5). Those with few foraging birds and no breeding populations are given lowest ... , and these are refined annually with input from a technical working group. The thresholds and data ... applied for 10 years and helps to define mitigation and monitoring requirements for fisheries within the ...

   Meeting Document : WG-FSA-06/33 : Auteur(s): S. Waugh (New Zealand)

9. Rapport de pêcherie 2016 : Pêcherie exploratoire de Dissostichus spp. de la division 58.4.2

   by-catch Regulated by CM 33-03 Bird mitigation In accordance with CM 25-02. Limit of three (3) birds ... the CCAMLR fishing season is represented by the year in which that season ended, e.g. 2015 represents ... with a new fishery for grenadier (Macrourus spp.). In 2003, the fishery for Dissostichus spp. in ... include quarantined data are indicated with a superscript q and vessel-specific details are provided in ...

   Document : Site Section: Publications

10. Multiyear changes in distribution and abundance of Salpa thompsoni in the Western Antarctic Peninsula region

    characterized by a circumpolar distribution and its appearance is clearly associated with the occurrence of the ... analyses, coupled with environmental data, obtained both during sampling and from satellite data, allowed ... to prove that the distribution of salps was significantly correlated with water temperature and ... suggest that with climatic changes, such as temperature increase and reduction of sea-ice cover, the ...

    Meeting Document : WG-EMM-16/75 : Auteur(s): A. Panasiuk, A. Słomska, J. Wawrzynek, M. Konik and A. Weydmann

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