Résultats de la recherche

1. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

   less accurate estimates of fish length. Seasonal variations in fish mass with reproductive condition ... need to be considered if predictions of fish mass from otolith mass are undertaken. Otolith size/fish ... size models should be derived for each fish population under investigation. The length of fish chosen ... in such studies should be representative of the size range consumed by predators. File:  09morley ... variations in fi sh mass with reproductive condition need to be considered if predictions of fi sh mass from ... ; Goldsworthy et al., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey ... August 2001. Specimens were frozen and then thawed prior to examination at the British Antarctic ... study indicate that otolith size (i.e. length or width) or mass, can be used to predict the size of ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Auteur(s): Morley, S. and M. Belchier

2. Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)

   5.3 Mitigation measures 17. The Working Group recommended that, where possible, areas with high by ... 4.7). 23. Mitigation measures that were put in place during the last three seasons will be ... masters of vessels with high by-catch. (iv) data will continue to be collected and submitted using ... France in its EEZ extends from 1 September to 31 August of the following year, the season used in this ...

   Document : Site Section: Publications

3. Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru

   included Bransfield Strait, Joinville and around Elephant Island (Antar XXI:: 8 040 nm2 with 10 transects ... ; ANTAR XXII: 21 070.62 nm2 with 17 transects).The SIMRAD EK60 scientific echosounder used for ... ; ANTAR XXII: 16 stations). Results indicated that krill swarms during the day swarms were recorded at ... Wave (SDWBA) were 876.367 t and t 7'330,574 during ANTAR XXI and XXII respectively. The estimated ...

   Meeting Document : WG-EMM-16/76 : Auteur(s): R. Cornejo, M. Flores and J. Zuzunaga

4. Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013

   bycatches. A tagging program has operated in these fisheries since 2001 to learn more about the movement and ... biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... in all directions. Most recaptures occurred within the first three years, with the maximum time at ... from release to recapture, with B. irrasa tending to move in depth more than the other two species ...

   Meeting Document : WG-FSA-13/22 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)

5. Educational observer on board fishing vessels in Brazil

   of fisheries and biology observer. The Educational Observer, that could be used as informal teacher ... fisheries. Settings were made in southeast Brazilian waters between May and August 2004. Daily working ... while on board. We believe seabird mortality rate due to incidental capture by fishing vessels can be ...

   Meeting Document : SC-CAMLR-XXV/BG/20 : Auteur(s): Delegation of Brazil

6. Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season

   of size between the fish released with tag and that of overall catch was high (θ=81 %). Fish with ... CPUE in terms of weight in SSRU B (32.1 kg / km) was rather lower than that (50.5 kg / km) in the same ... SSRU in 2010/11. A total of 172 individuals of toothfish with good physical condition and single-hooked ... . Taki, T. Iwami, M. Kiyota and T. Ichii (Japan) Title:  Reports on abundance and biological information ...

   Meeting Document : WG-SAM-12/16 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

7. Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019

   model (VGPM); (6) estimates of mixed layer depth from the data-assimilating US Navy hindcast model HyCOM ... increasing sea-ice in the Weddell, Bellingshausen and Ross Seas; (6) deepening of the mixed-layer near the ... Polar Front, contrasting with shallowing in the Ross Sea region, and both increases and decreases in ...

   Meeting Document : WG-EMM-2019/39 : Auteur(s): M. Pinkerton

8. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... describing interyear biomass dynamics (standardized catch per unit effort for 1986- 2001) and fishing effort ... estimates by years of fishing. Both models showed that the D. eleginoides stock status at the initial period ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...

   Meeting Document : WG-FSA-02/78 : Auteur(s): P.S. Gasiukov and R.S. Dorovskich (Russia)

9. e-sc-ix-a5.pdf

   ... the Working Group felt that the problem may be resolved if Members were provided with guidelines on ... Convener welcomed participants to the Meeting and noted with regret that several long-standing Members of ... fish species. There are indications that the fish tend to be present on the edges of krill swarms ... authors concluded that juvenile fish of commercial species do not occur in great numbers associated with application/pdf attached to:WG-FSA-90

   Meeting Report : WG-FSA-90

10. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13

    selectivity for the fishery in the North. We recommend model R2 be used to provide catch limits for the stock ... profiles suggest that the tag recapture data from the last few years tend to push the model toward a higher ... positive effect, and the new data weighting had no effect on model biomass.  Sensitivity runs showed that ... cryptic biomass is not an issue for this stock assessment, and that the data from the sub-adult survey ...

    Meeting Document : WG-FSA-13/51 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

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