Результаты поиска

1. Отчет о промысле в 2015 г: Закрытый промысел видов Dissostichus на участках 58.4.4a и 58.4.4b

   a time period of 3 to 5 years. These catch limits are also set so that they provide reasonable ... % (Annex 41-01/C). 16. In all years in which it has conducted research fishing, the Shinsei Maru No. 3 ... results reported in WG-FSA- 11/16. Ages of 214 otoliths (of 3 013 fish sampled) ranged from 4 to 48 years ... -CAMLR-XXVIII, Annex 6) recommended consecutive research focusing on a tagging program for 3 to 5 years ...

   Document : Site Section: Publications

2. VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES

   species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... moderately high richness between 400 and 1100 m. Richness was higher both in waters with high surface ... temperature was also important, with lower richness occurring in waters that were cooler than expected given ... constrained to reflect the known performance of trawl gear. Species richness declined with increasing cod-end ...

   Meeting Document : WS-VME-09/P04 : Автор(ы): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.

3. Numerical model of ecosystem including Euphausia superba Dana as a key species in circumpolar region

   integrated model with the above 5 items. This year, we have developed an OGCM and a one dimensional ecosystem ... applied to primary production in Antarctic Ocean (3) to develop an ecosystem model able to describe krill ... ) with seven compartments and coupled with a one dimensional mixed layer model for calculating the ...

   Meeting Document : WG-Krill-94/26 : Автор(ы): M.J. Kishi and M. Naganobu (Japan)

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

   assessment was 1982 to 2011 with future projections for another 35 years. The initial age structure assumed ... catch older fish (>20 years) than trawl gear which has high selectivity for 6-year-old fish ... across years in estimated year-class strength. Recruitment surveys 11. Surveys of young toothfish ... were available for the years 2006–2011 to determine abundance-at-age using survey- and year-specific ...

   Document : Site Section: Publications

5. An index of per capita recruitment

   assumptions that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l ... largest with high values of R 1; increasing M tends to offset this effect but only slightly. A simple ... years, and when all age-l animals spawn. These conclusions are insensitive to changes in the shape of ... the functional relationship between spawners and recruits. PCR is biased low with age-specific decline ... capita recruitment (PCR). Such a measure could be obtained with surveys in successive years provided ... with one year of mortality removed: In addition to compounding the results of two PCRy_l ... , R3, R4 . . . are the proportions of N that are in the age-l, age-2, age-3, age-4 . . . year classes ... ; M2, M3, Mq . . . the post- recruit mortality rates for age-2, age-3, age-4 ... year classes; and y ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Автор(ы): Hewitt, R

6. A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season

   briefed before the short trip to South Georgia. It is unclear whether the poor catches by the FV Betanzos ...

   Meeting Document : WG-FSA-98/53 : Автор(ы): G. Parkes, A. King and C. Jones (United Kingdom)

7. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Division 58.4.2

   , paragraph 3.68). Those years that include quarantined data are indicated with a superscript q and vessel ... fish) to achieve a stock assessment within a time period of 3 to 5 years. These catch limits are also ... from areas with assessed fisheries and are not more than 3–4% of the estimated stock size. 9. In ... ) in each year are provided. Note: length-frequency distributions are only presented for those years ...

   Document : Site Section: Publications

8. Fishery Report 2018: Exploratory fishery for Dissostichus mawsoni. in Division 58.4.2

   tagged fish) to achieve a stock assessment within a time period of 3 to 5 years. These catch limits are ... estimates from areas with assessed fisheries and are not more than 3–4% of the estimated stock size. 9 ... with a new fishery for grenadier (Macrourus spp.). In 2003, the fishery for Dissostichus spp. in ... to better align the target species with the assessment process the target species was specified as D ...

   Document : Site Section: Publications

9. Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds

   Abstract:  steelon codends used in commercial fishery, with a nominal mesh size A = 80 mm and A ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... tendency to pass through meshes of the codend than Antarctic icefish and bumphead notothenia. 3. The ... result of the application of webbing with permanently open meshes for codend construction. 4. The most ...

   Meeting Document : SC-CAMLR-VII/BG/11 : Автор(ы): J. Zaucha (Poland)

10. Отчет о промысле в 2015 г: Поисковый промысел видов Dissostichus на Участке 58.4.3a

    sufficient recaptures of tagged fish) to achieve a stock assessment within a time period of 3 to 5 years ... exploitation rates are based on estimates from areas with assessed fisheries and are not more than 3–4% of the ... . Advice of the Scientific Committee A6. The data have been collected in the past 3 years and will be ... this fishery as ‘new’ (CCAMLR-XVIII, paragraph 10.14), along with a renewed interest in this fishery ...

    Document : Site Section: Publications

Страницы