Résultats de la recherche

1. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   autoline vessels, that are effective in reducing the mortality of white-chinned petrels, one of the world’s ... priority because Spanish system gear, while fast to deeper depths (10-20 m), is slow to clear surface ... between weights on longlines (30 m, 40 m and 50 m) and mass of the weights (4 kg, 6 kg and 8 kg) on sink ... time profiles of longlines. The variable was the sink time to six target depths from 1-20 m as ...

   Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

2. Net-based verification of acoustic techniques used to identify Antarctic krill

   orientation distributions applied the performance of the '3 freq model' was comparable with the two ... during two cruises to the South Georgia region in 1996. For each net-sampled aggregation the differences ... ) '3 freq model'-using SDWBA-derived ranges for Sv120-38 and Sv200-120, (ii) '2 freq model ... ' using an SDWBA-derived range for Sv120-3, (iii) '2 freq 2-16'- with an Sv120-38 range ...

   Meeting Document : SG-ASAM-09/04 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

3. Informe de la campaña de investigación biológico-pesquera de palangre de fondo en aguas del Atlántico sur-oriental y en los sectores Atlántico e índico de la CCRVMA (Subárea 48.6 y División 58.4.4)

   perpendicular transects to the isobathes, fishing in different depth strata using one or two sets, from the ... total length of around 90 cm which corresponds to the onset of the sexual maturity for males. This could ... longlines. As a result females account for a 70% of individuals bigger than 90 cm of total length. The ... value of 359.1 kg1000 hooks in Ob and Lena and a minimun of 185.25 kg/1000 hooks in Meteor. Author(s ...

   Meeting Document : WG-FSA-98/48 : Auteur(s): L.J. López Abellán y J.F. González Jiménez

4. At-sea distribution and prey selection of Antarctic petrels and commercial fisheries

   breeding thousands of kilometers away.  Author(s):  S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R ... the ones breeding far away and that disperse during the non- overlap between the distribution of the ... Antarctic petrels was limited but varied greatly among and within years, and was high in some periods during ... . Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe Title:  At-sea ...

   Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe

5. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1994 winter and 1994/95 pup-rearing season

   previous year. The proportion of adult animals affected (20%) was slightly lower than 1994. The proportion ... of females involved (40%) was 26% less than the previous year. The incidence of severe injury (30 ... %) was 46% less than the previous year. Author(s):  Delegation of the United Kingdom Title:  Entanglement ... and 1991, but two-thirds of the value recorded in 1990 and 1992. The proportion of entangled animals ...

   Meeting Document : SC-CAMLR-XIV/BG/08 : Auteur(s): Delegation of the United Kingdom

6. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

   split of the overall density dependence effect between the first year and following sub-adult years of ... Abstract:  The krill-predators model is generalised by splitting post-first-year animals into ... adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... . This solution brings with it new problems, however, in that two further parameters need to be specified ...

   Meeting Document : WG-EMM-95/39 : Auteur(s): Butterworth, D.S., Thomson, R.B.

7. Brief results of research fishing in Subarea 88.3 in the 2010/11 season

   “Sparta”, with two scientific observers aboard. They deployed 20 sets (trotline) at different depths ... fish food analysis). According to the catch’s length variation, 30 fishes of different length have been ... distribution and nutrition of toothfish in subarea 88.3.B-D were collected 240 otolithes for age identification ... , 53 genetic specimens and 42 histological specimens have been collected. Author(s):  Delegation of the ...

   Meeting Document : WG-SAM-11/09 : Auteur(s): Delegation of the Russian Federation

8. Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   Subarea 88.1 for five seasons, from 1997 to 2002. Two analyses are presented. The first (all-ground ... ), and included a number of areas that had been fished for only one season. The second (main-ground ... ) analysis reviewed CPUE from the two main vessels involved in the fishery, and reviewed their catch from the ... data variability, because it excludes fishing grounds that were fished for only one season. Annual ...

   Meeting Document : WG-FSA-02/41 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)

9. Method of age determination for Antarctic toothfish (Dissostichus mawsoni)

   , 1982; Penttilla, Dery, 1988). According to the method, otolith is broken into two parts across the core ... .  All in all 6009 specimens of toothfish were aged using the same above described method. Otoliths were ... the used method is appropriate for mass age determination for toothfish. Author(s):  E.N. Kyznetsova ... December 2004 to March 2005 on the longliner “Volna”.  Age was determined for 364 individuals. Currently ...

   Meeting Document : WG-SAM-12/18 : Auteur(s): E.N. Kyznetsova, A.F. Petrov and V.A. Bizikov (Russia)

10. A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey

    in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... rules. Author(s):  D. Maschette, G. Nowara and D. Welsford Title:  A preliminary assessment for mackerel ...

    Meeting Document : WG-FSA-2019/02 : Auteur(s): D. Maschette, G. Nowara and D. Welsford

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