Resultados de la búsqueda

1. Krill Fishery Report 2017

   for more than 10 years are Japan (40 years), Poland (33 years), Korea (27 years), USSR (18 years ... reported within two working days of the end of that five-day period). For an area where the five-day ... closure date for Subarea 48.1 was later than in the two previous years when the fishery was closed on 28 ... 2017/18 fishing seasons; no less than 75% of vessels during the 2018/19 and 2019/20 fishing seasons ...

   Document : Site Section: Publications

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

   catch older fish (>20 years) than trawl gear which has high selectivity for 6-year-old fish ... were available for the years 2006–2011 to determine abundance-at-age using survey- and year-specific ... estimated in WG-FSA-09/20, including large amounts of catch-at-age data for the first time (Welsford et al ... , effectively declining to zero for fish older than 20 years. The length-frequency distribution for the ...

   Document : Site Section: Publications

3. Scientific Abstracts 2007

   groups. It is published only in English. Publication of an abstract does not imply in any way that the ... . There are four categories of papers: (i) scientific papers published elsewhere, for which the full ... reference and published abstract are given; (ii) scientific papers submitted for publication, i.e. in CCAMLR ... all scientific papers presented for the consideration of the annual meetings of the CCAMLR Commission ... %). For the third consecutive year, nylon line was absent from Bird Island; an encouraging result after ... ) scientific papers published elsewhere, for which the full reference and published abstract are given; (ii ... fisheries (SC-CAMLR-XXV, paragraph 2.11). A review of current levels of education and training for ... sites that have data for more than three consecutive years, these are: Bird Island (South Georgia ...

   Document : Site Section: Publications

4. Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)

   assessment of the Northern Area after four experimental years. An extension of the experiment for a further ... estimate an annual yield of 28 tonnes of D. eleginoides for the subarea (SC-CAMLR-XII, Annex 5, paragraph ... 0.3 0.35 0.4 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 P 2004/05 2005/06 2006/07 ... , with an initial unexploited equilibrium age structure, and with a Beverton-Holt stock- recruit ...

   Document : Site Section: Publications

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

   , selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. 18 ... Division 58.5.2 was estimated using large amounts of catch-at-age data for the first time in WG-FSA-09/20 ... longline gear is able to catch older fish (>20 years) more efficiently than trawl gear. For trawl gear ... assessment to include all recent years for which the information is available (ii) review the tagging ...

   Document : Site Section: Publications

6. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   simulation 1 Depletion level for test 0.2 Characteristics of a trial Years to remove initial age ... 008 1986/87 - - 80 586 1987/88 1 35 000 36 054 1988/89 - 0 3 1989/90 - 8 000 8 135 1990/91 - 26 ... Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 986/87987/88988/90989/90990 ... assessment. 9. An estimate of the one-sided lower 95% CI of biomass was calculated for the assessment and ...

   Document : Site Section: Publications

7. Fishery Report: Dissostichus eleginoides (TOP) Heard Island (Division 58.5.2)

   selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. The ... ) for catch-at-length and catch-at-age proportions by sub-fishery and year are given in WG-FSA-09/20 ... survey were available for the years 2006 to 2011 to determine abundance-at-age using survey- and year ... bu nd an ce (m il) 2002 2004 2006 2008 2010 0 10 00 0 20 00 0 30 00 0 40 00 0 Year of ...

   Document : Site Section: Publications

8. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988/901989/901990/911991 ... 5 10 15 20 25 30 35 40 45 50 55 60 South Georgia January 2010 0 1000 2000 3000 4000 0 5 10 15 ... 20 25 30 35 40 45 50 55 60 Shag Rocks January 2010 Length (cm) Length (cm) Fr eq ue nc y ANI ... could affect the performance of the harvest control rule differently whether an age- or a length-based ...

   Document : Site Section: Publications

9. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   ). Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988 ... control rule differently whether an age- or a length-based projection was undertaken. The impact of this ... limits for these species. Champsocephalus gunnari play an important role in the ecosystem of the South ... penguins (WG-FSA- 08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish ...

   Document : Site Section: Publications

10. Fishery Report 2017: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)

    of otoliths for age determination of the target and most frequently taken by-catch species ... 50 to 120 cm in length, with a single mode for all seasons at approximately 60–80 cm. These length ... mortality, would be valid for the stock in Subarea 58.6. Age- specific data from Crozet otolith sampling ... ) (WG-FSA-13/05). 20. WG-FSA-17/59 presented an updated stock assessment of D. eleginoides at Crozet ...

    Document : Site Section: Publications

Páginas