Résultats de la recherche
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Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region
Paper Title: Spatially explicit population dynamics models for Antarctic toothfish in the Ross ... models were developed for the Antarctic toothfish (Dissostichus mawsoni) population in the Ross Sea ... . Movement was parameterised using preference functions based on spatially discrete environmental layers. The ... of the current single-area stock assessment. Simulations based on the three spatial distribution ... to fitting them in the model) were assumed at an effective sample size of 30 for catch-at-age ... year from fisheries data for the years 1998– 2011. The maximum exploitation rate was assumed to be ... –length key described above. The choice of 1% for mature and 2.5% for spawning was based on an analysis ... (years) 0 5 10 15 20 25 30 0 ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Auteur(s): Mormede, S., A. Dunn, S. Hanchet and S. Parker
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
closed on 2 February 2009 (catch limit for Dissostichus spp.: 30 tonnes; final reported catch: 28 tonnes ... ). SSRU E was closed on 7 February 2009 (catch limit for Dissostichus spp.: 30 tonnes; final reported ... ) large movements of fish have been observed for fish at liberty for two years or more, and tend to be ... last year that the relative merits of the different views on harvest strategies for toothfish in new ...
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
Paper Title: Fishing for toothfish using pots: results of trials undertaken around South Georgia ... commercial viability of this fishing method for toothfish fisheries in the CCAMLR Convention Area. While the ... eliminated bird by-catch. To capitalise on this feature, there is a need to improve the commercial viability ... undertaken on this cruise, a number of pots were modified by changing an area of panel for one of larger ... been soaking for longer periods (soak times varied from 4 h 25 min to 40 h 35 min, with an average ... information on the effectiveness of toothfish pot methods for reducing or eliminating the incidental ... teclmical fishing considerations. A relatively flat bottom on grounds with fewer corals was preferred for ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Division 58.4.2
Description / Abstract: Fishery Report 2013: Exploratory fishery for Dissostichus spp. in ... 30 November 2013). FISHERY REPORT 2013: EXPLORATORY FISHERY FOR DISSOSTICHUS SPP. IN ... longlines only, although only Japan participated in the fishery. 4. For 2014, a total of two vessels ... Ocean sector of the Convention Area remains an issue for the Commission. Estimates of illegal fishing ... limit for Dissostichus spp. or 20 tonnes, whichever is greater • all other species combined – 20 ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
fishery, was closed on 20 February 2010 (SSRU C catch limit for Dissostichus spp.: 100 tonnes; final ... been linked to an exemption for night setting in CM 24-02 and subject to a seabird by-catch limit ... vessels fished in SSRUs C, E and G (Figure 1). SSRU G was closed on 10 January 2010 (catch limit for ... tagging program (Annex 41-01/C). 11. Vessels, on first entry into an SSRU, are required to make 10 ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
first entry into an SSRU, are required to make 10 research longline hauls. The requirement for a ... SSRU. The results of the analysis are presented in Table 5. 20. WG-FSA-09/14 Rev. 1 presented an ... vessels fished in SSRUs C, E and G (Figure 1). SSRU E was closed on 11 February 2011 (catch limit for ... consequently the fishery, was closed on 12 March 2011 (SSRU C catch limit for Dissostichus spp.: 100 tonnes ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6
this fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and ... 48.6 be retained for the 2010/11 fishing year. Figure 1: General map of Subarea 48.6 and ... medium for two vessels and high for one vessel which fished in 2009/10 (see Weighted Frequency ... Commission agreed that the Year-of-the-Skate should be extended to 2009/10 in order to allow for sufficient ...
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Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.1
Description / Abstract: Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... to 30 November 2014). Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... Ocean sector of the Convention Area remains an issue for the Commission. Estimates of IUU fishing in ... . eleginoides have not been presented for Division 58.4.1 as the data from the only year in which more than 150 ... ’ apply to this fishery. There is an exemption to the requirement for night setting by achieving the sink ...
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Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.3a
Description / Abstract: Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... year, the Commission agreed on four exploratory fisheries for Dissostichus spp. in this region outside ... to 30 November 2014). Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... (IUU) fishing 8. IUU fishing in the Indian Ocean sector of the Convention Area remains an issue for ... , whichever is greater • all other species combined – 20 tonnes. Table 4: Catch history for by-catch ...
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Division 58.4.3a
Description / Abstract: Fishery Report 2013: Exploratory fishery for Dissostichus spp. in ... year, the Commission agreed on four exploratory fisheries for Dissostichus spp. in this region outside ... year are provided. Note: length-frequency distributions are only presented for those years/SSRUs in ... 30 November 2013). FISHERY REPORT 2013: EXPLORATORY FISHERY FOR DISSOSTICHUS SPP. IN ... Indian Ocean sector of the Convention Area remains an issue for the Commission. Estimates of illegal ...
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