Resultados de la búsqueda
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THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM
Abstract: Under Conservation Measure 41-01 (Annex C- Tagging Program for Dissostichus spp. in ... Exploratory Fisheries), the flag States of fishing vessels participating in exploratory fisheries are ... by vessels operating in the exploratory fisheries” (CCAMLR-XXVI Report, paragraph 8.12). It is ... assessment of compliance with the CCAMLR tagging program based on information contained in the Fish Stock ...
Meeting Document : CCAMLR-XXVII/BG/22 : Autor(es): Delegation of Australia
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Preliminary results of an age/length study of juvenile Notothenia rossii marmorata from Potter Cove, South Shetland Islands
Islands. Results from the analysis of both structures agreed in 95.5%. Likewise, the examination of ... otolith cross sections of chosen specimens confirmed in all the cases the age readings obtained from the ... respectively, which is well in accord with the known length-age distribution of juvenile specimens of the ... species in the fjord. Mean length data at age presented here were compared with published values for ...
Meeting Document : WG-FSA-90/09 : Autor(es): E. Barrera-Oro and R. Casaux (Argentina)
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Krill stock evaluation with data from commercial fishing vessels
board during normal fishing operations in a relatively easy and cheap manner using the Norwegian vessel ... ‘Saga Sea’ in 2011 as example. A one-month subset of the acoustic data from February/March was processed ... concentrations were in general much higher during fishing and the length distribution was different. This was ... krill fishing vessels and previous experience in own waters we advocate that increased collaboration ...
Meeting Document : WG-EMM-12/63 : Autor(es): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen
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Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment
, particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... relatively large number of size classes, low recapture numbers collected in short tagging programs with a 100 ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ... -age compared with catch-at-length improved recruitment estimates and resulted in more conservative ...
Meeting Document : WG-FSA-13/P03 : Autor(es): P. Ziegler
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Comparison of NASC values calculated by swarm-based and grid-based acoustic data processing methods for Antarctic krill density estimation
four surveys in 48.1 fishing area were calculated using both the swarm-based and conventional grid ... -based approach and grid-based approach based on data in the paper. In accordance to the suggestions ... , further analyses were undertaken and the results were shown in Appendix A. Author(s): X. Yu, X. Wang and ...
Meeting Document : SG-ASAM-18/04 Rev. 1 : Autor(es): X. Yu, X. Wang and X. Zhao
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Results of a scientific electronic monitoring pilot study on the FV Janas during the 2017/18 Ross Sea fishing season
Abstract: During the 2017/2018 toothfish season in the Ross Sea, the New Zealand flagged Janas ... trialled a scientific electronic monitoring system during fishing operations in the Ross Sea region. The ... fishing activities. The trial showed that 1) the systems performed well in Antarctic conditions, 2) video ... assist in improving the accuracy of data recording by observers, as well as allowing observers more time ...
Meeting Document : WG-SAM-18/20 : Autor(es): B. Plum, A. Smith and S. Parker
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Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution
Abstract: CCAMLR manages the krill fishery in Area 48 using a catch limit (the trigger level ... ) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... time catches in Subarea 48.1 have increased beyond the maximum pre-1991 catch for that subarea which ... levels in Subarea 48.1 and environmental stress on the krill stock), the need for precaution is likely to ...
Meeting Document : WG-EMM-2019/29 : Autor(es): S. Hill and A. Atkinson
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
Abstract: Metadata for krill biomass time series obtained by Chinese krill fishing vessel in ... the South Shetland Islands, one of the major fishing ground for Antarctic krill in Area 48. Acoustic ... increasing trend during the last 6 years, increased from 20.22 g m-2 in December 2013 to 70.13 g m-2 in ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Autor(es): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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Procedimiento para estimar la captura por períodos de dos horas en barcos de pesca de kril de arrastre continuo y propuesta para añadir la descripción del procedimiento como anexo a la MC 21-03
procedure to derive two-hour catches on Norwegian vessels using the Continuous Trawling System in the krill ... referred to in CM 21-03 (Annex 21-03/B), but has elements not described in the CM. The paper offers ... description in CM 21-03. Author(s): O.A. Bergstad Title: Procedure for estimating two-hour catches on ...
Meeting Document : SC-CAMLR-38/19 : Autor(es): O.A. Bergstad
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Aligning toothfish fishery status with the CCAMLR regulatory framework
Abstract: The nomenclature or status assigned to individual toothfish fisheries in the CAMLR ... fisheries and the regulatory framework has become increasingly disconnected in many fisheries throughout the ... Convention Area, particularly in relation to what is considered closed, exploratory and established fisheries ... status of closed and exploratory as set out in conservation measures, and that of the regulatory ...
Meeting Document : WG-FSA-2019/66 : Autor(es): C.D. Jones