Résultats de la recherche

1. Benthos: Trophic modelling of the Ross Sea

   0.2–4 gDW ind-1 for shell heights between 20 and 80 mm (Heilmayer & Brey 2003). A population median ... an estimate of wet weight per m2 for that organism. As yet, the weight relationships of Ross Sea ... order of 1.3 gDW ind-1. This gives an average biomass density of A. colbecki of 30 gDW m-2 in Terra ... 1993), and to up to 120 gDW m-2 for a 20–40 m population with densities of around 60 ind m-2 (Road Bay ...

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2. FAO Port State Measures Agreement

   Agreement opened for signature for one year. The Agreement will enter into force 30 days after the date of ... authorized for that purpose, having regard in particular to Article 17; (b) ensure that, prior to an ... Code of Conduct for Responsible Fisheries, Recognizing the need to conclude an international ... an inspection, there are clear grounds for believing that a vessel has engaged in IUU fishing or ...

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3. Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)

   rate of ~20 mm per year, and a maximum age >20 years for B. eatonii, estimated from tag returns ... effective sample size. (a) Figure A11: Pearson’s residuals of MPD fits by age and year for ... (b) (c) Figure A11 (continued): Pearson’s residuals of MPD fits by age and year for the ... -sex, single-area, age-structured population model including age classes from 1 to 35 years. 20 ...

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

   able to catch older fish (>25 years) than trawl gear which has high selectivity for 6-year-old fish ... effectively declining to zero for fish older than 20 years. The length-frequency distribution for the ... season was 2 500 tonnes (Conservation Measure 41-08) for the period from 1 December 2007 to 30 November ... 778 0 718 1496 0 1496 * Catch for 2007/08 not complete. Fishing season ends 30 November. 2. The ...

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5. Fishery Report 2014: Dissostichus eleginoides Heard Island (Division 58.5.2)

   for catch-at-length and catch-at-age proportions by sub-fishery and year are provided in WG-FSA-11/24 ... the model from returning an estimated fishable biomass for which the catch in any given year would ... 20% of the pre-exploitation median spawning biomass in any one year, for each year over a 35-year ... effort amongst strata was revised in 2003, with an identical survey design for the years 2001–2002 and ...

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6. 2013 Report on bottom fisheries and vulnerable marine ecosystems

   - 10/20 – see paragraphs 39 to 42 for a worked example). This code can be used to translate gear ... characterising other non-standard scenarios particular to these methods. An impact assessment for trawl gears is ... been developed, and an impact assessment was not completed for these methods. Instead, spatial effort ... index (SC-CAMLR-XXIX, Annex 4, paragraph 4.19) for trawls would yield an impact estimate distribution ...

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7. Fishery Report 2017: Dissostichus eleginoides South Georgia (Subarea 48.3)

   in Appendix 1). 20. The stock of D. eleginoides in Subarea 48.3 was assessed using an age ... virgin biomass for 35 years based on a constant catch of 2 600 tonnes per year. Confidence intervals at ... provide an index of recruitment for stock assessments. 14. Dissostichus eleginoides were caught in 21 ... factors, length frequencies, weights and maturity. Toothfish otoliths are collected by observers for an ...

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8. Cephalopods: Trophic modelling of the Ross Sea

   years. These values allow us to estimate a weight-at-age for this species of cephalopod, and hence a ... 13–30% of wet weight and a value for ash proportion of 0.9–2.4% of wet weight equivalent to c. 7.7 ... of size at age for Psychroteuthis glacialis. First, we consider the smallest samples of this species ... to reach this size is not known for Psychroteuthis glacialis and here we use an estimate of 1.5 ...

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9. Volume 7: CCAMLR. 1995. Statistical Bulletin, Vol. 7 (1985–1994). CCAMLR, Hobart, Australia.

   annual period used is the split-year 1 July to 30 June. Split-years are shown for instance as 1989/90 ... PLATAFORM4 DE HIELO 200m 100Qm ----"" ""--- 25· E 30· 40' 50' 60· . 70· 80· 90' E 40' s~_:::5_ ... °30'E and includes the Lena Bank (Figure 3). This year Section B of the Bulletin has been subject to ... combination of subareas in any year following 1988 were chosen for this sec#.on. 2.2 Tables 3, 4 and 5 ...

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10. Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)

    in Subarea 48.3. Year Sample size for age determination 1998 250 1999 259 2000 298 2001 467 ... 20% of B0 in the respective sample of any one year, for each year in the 35-year projection period ... provide an appropriate mean and CV of year class strength for this purpose, which includes mostly below ... catch for all years since 1998 (Table 3). Table 3: Sample size for age determination of fish caught ...

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