Résultats de la recherche

1. Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys

   Abstract:  For the 2014 assessment of Patagonian toothfish (Dissostichus eleginoides) around the ... Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... stratified trawl survey (RSTS) was estimated by comparing abundance estimates of the survey with abundance ... address potential bias in the estimation of q and conclude that the potential bias that may arise from ...

   Meeting Document : WG-SAM-15/34 : Auteur(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)

2. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015- Part C: Data analysis and MPA scenario development

   justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... documents (Part A-C). SC-CAMLR-XXXIV/BG/15 (Part A) sets out the general context of the establishment of ... the means and the results of the scientific analyses and the development of objectives and priority ... areas for a Weddell Sea MPA. Here, the delegation of Germany intends to update the Scientific Committee ...

   Meeting Document : SC-CAMLR-XXXIV/BG/17 : Auteur(s): Delegation of Germany

3. Preliminary results of the three season research surveys of the Spanish FV Tronio in Division 58.4.1

   year of the multi-year research survey in the Division 58.4.1, as far as the ice condition allowed, the ... along the area has been carried on. Preliminary results of the last 2015/16 season survey are presented ... together with a comparative analysis of the three-seasons carried out in this division. A depletion ... experiment has been made in each of the prospected SSRUs. Results in SSRUs 5841H and G are not conclusive ...

   Meeting Document : WG-SAM-16/40 Rev. 1 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro

4. Updated assessment of the risks of status quo krill fishing and proposed revisions to Conservation Measure 51-07

   Abstract:  We used an ecosystem model to assess the risks of 1) the most recent distribution of ... . Our results show that the concentration of fishing effort since 2009 increases the risks that predator ... exacerbated by increased catches in Subarea 48.1. We briefly discuss the implications of our results and ... alternative approaches for spatial management of the krill fishery. Author(s):  Delegation of the USA Title ...

   Meeting Document : SC-CAMLR-XXXV/BG/36 : Auteur(s): Delegation of the USA

5. ANNUAL CHANGES IN SPECIES COMPOSITION AND ABUNDANCE OF BY-CATCH FISH COLLECTED BY JAPANESE KRILL SCIENTIFIC OBSERVERS IN THE NORTH OF SOUTH GEORGIA (CCAMLR SUBAREA 48.3), DURING AUSTRAL WINTER FROM 2002 TO 2008

   Abstract:  Species composition and abundance of by-catch fish were analyzed using the fish by ... north of South Georgia during the austral winter from 2002 to 2008. A total of 19 species belonging to 8 ... most abundant. Different life stages of K. anderssoni, Gymnoscopelus nicholsi, C. gunnari and L ... around South Georgia. The length frequency distribution of C. gunnari varied with years and may indicate ...

   Meeting Document : WG-EMM-11/40 : Auteur(s): T. Iwami, K. Taki and M. Kiyota (Japan)

6. DISCRIMINATION OF ENVIRONMENTAL VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY

   Abstract:  The use of the catch per unit effort (CPUE) as an index of abundance usually requires a ... standardization process consisting of isolating all those exogenous factors from temporal variations in abundance ... vessel efficiency, variations in fishing strategies, and environmental fluctuations. The selection of the ... latter has been considered to be one of the most difficult, arbitrary, and poorly documented stages since ...

   Meeting Document : WG-EMM-11/P3 : Auteur(s): J.C. Quiroz, R. Wiff, M.A. Barrientos and F. Contreras

7. Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2

   slightly lower than the permissible level of 0.5 mg/kg-1 set by the New Zealand Food Safety Authority ... (NZFSA). In contrast, mean levels of mercury for D. mawsoni were 0.10 mg/kg-1 in the 1998 samples and ... 0.16 mg/kg-1 in the 2006 samples, both of which are well below the permissible level. Mercury levels ... whitsoni) being only slightly lower than D. eleginoides, whilst the levels of ice fish (Chionobathyscus ...

   Meeting Document : WG-FSA-07/24 : Auteur(s): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)

8. On observations of ectoparasites of icefish Champsocephalus gunnari in Subarea 48.3 in March 1999

   fishery for Champsocephalus gunnari in CCAMLR subarea 48.3. During the processing of catches taken in the ... area of the northwestern slope, two species of parasites were revealed: copepod Eubrachiella antarctica ... and leech Trulliobdella capitis Brinkman, 1948. Statistical data collected during examination of more ... than 3.000 specimens of icefish has shown that the average infestation of fish with copepods ...

   Meeting Document : WG-FSA-99/58 : Auteur(s): V.L. Senioukov (Russia)

9. A history of the exploitation of the Ross Sea, Antarctica

   Abstract:  Recent analyses of anthropogenic impacts to marine systems have shown the Ross Sea to ... be the least affected stretch of ocean on Earth, although historical effects were not included in the ... study. Herein the literature is reviewed to quantify the extent of extraction of biological resources ... from the Ross Sea continental shelf and slope beginning at the start of the 20th century; none preceded ...

   Meeting Document : WG-EMM-09/P03 : Auteur(s): D.G. Ainley

10. Course of fisheries in the Lena Bank area (Division 58.4.4) in the season of 1990-91

    Abstract:  In the season of 1990/1991, fishing operations in subarea 58.4.4. (Lena Bank) wer4e ... made 971 t of grey rockcod Notothenia squamifrons and 29 t of Patagonian toothfish Dissostichus ... it is necessary to update the relevant documents. The size-age composition of catches did not suffer ... significant changes. The mean fish age made 7.0 years. Interannual fluctuations in size-age composition of ...

    Meeting Document : WG-FSA-94/07 : Auteur(s): A.K. Zaitsev (Ukraine)

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