Результаты поиска

1. An exploration of the biological data used in the CCAMLR Subarea 48.3 Patagonian toothfish stock assessments

   or maturity through time, after the effects of confounding factors were included in the analysis ... change. The Working Group recommended that key assessment parameters be reviewed and that changes in the ... fishery dynamics that would impact their estimation be explored. The biological productivity parameters in ... subarea 48.3 are analysed here, particularly whether the proportion of females in the catch, maturity at ...

   Meeting Document : WG-SAM-2019/32 : Автор(ы): E. MacLeod, K. Bradley, T. Earl, M. Söffker and C. Darby

2. A study on calibration for commercial echosounder using the bottom backscattering strength from a fishing vessel near the South Shetland Islands in Antarctic

   krill) over the total acoustic signals were 26.95% and 92.04%, respectively before and after the ... fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... echosounder (i.e. ES70) and the scientific echosounder (i.e. EK60) at some transects designated by CCAMLR ...

   Meeting Document : WG-EMM-16/61 : Автор(ы): Delegation of the Republic of Korea

3. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   the spawning stock (as a proportion of SB0) at the end of the projection run (level of escapement ... krill yields according to decision rules that relate spawning stock status to the median unexploited ... spawning biomass, SB0. The first model has been developed specifically for krill, the krill yield model ... , while the second is a generalised yield model. The decision rules relate to the effects of a specified ...

   Meeting Document : WG-EMM-97/45 : Автор(ы): de la Mare, W.K., Constable, A.J.

4. Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions

   -after-boostrap” method was proposed. Author(s):  P. Gasyukov (Russia) Title:  Alternative method of the ... Abstract:  On the basis of the bottom trawl surveys carried out by Russia and Great Britain during ... 2000, 2002, 2004 in the South Georgia area, it is demonstrated that the method by Aitchison and ... bootstrap method result in different estimates of mean fish density in the length series. Verification of ...

   Meeting Document : WG-FSA-05/78 : Автор(ы): P. Gasyukov (Russia)

5. Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 1 – rationale, method and data for a risk assessment framework for distributing the krill trigger level

   Conservation Measure 51-07, which is due to lapse at the end of the 2015/16 fishing season, and presented its ... undertaken to further develop a risk assessment approach to spatially subdivide the trigger level through an ... e-group and to deliver these outputs to Scientific Committee.  The risk assessment approach for ... subdividing the trigger level in CM 51-07 aims to minimise the risk to predator populations, in particular ...

   Meeting Document : WG-FSA-16/47 Rev. 1 : Автор(ы): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)

6. The ‘CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean’

   comparative biogeographic analyses or discovering marine biodiversity hotspots. At the end of five years of ... Abstract:  The "CAML / SCAR-MarBIN Biogeographic Atlas of the Southern Ocean" Claude De ... , developing the bio/ecoregionalisation of the Southern Ocean, designing marine protected areas, conducting ... extensive biodiversity exploration and assessment by the Census of Antarctic Marine Life (www.caml.aq), with ...

   Meeting Document : WS-MPA-11/15 : Автор(ы): C. De Broyer (Belgium) and P. Koubbi (France)

7. Problems and prospects for the Convention on the Conservation of Antarctic Marine Living Resources twenty years on

   Abstract:  Twenty years after its adoption, the Convention on the Conservation of Antarctic Marine ... considering the impact of existing or proposed fisheries on the entire ecosystem, rather than on just the ... harvested species. However, the recent picture of fisheries activities within the Convention area suggests a ... substantial – and perhaps widening- gap between theory and practice. The fishery that has most clearly proved ...

   Meeting Document : CCAMLR-XX/BG/18 : Автор(ы): Submitted by ASOC

8. Biomass estimates of Antarctic krill based on survey conducted by the Chinese fishing vessel FV Fu Rong Hai during the 2019 Area 48 survey

   were presented to the WG-EMM 2019 meeting. After the meeting, the acoustic data were processed further ... Abstract:  As a contribution to the joint effort on the large-scale international synoptic krill ... survey of Area 48 (2019 Area 48 survey), the Chinese krill fishing vessel F/V Fu Rong Hai conducted the ... acoustic survey around the South Shetland Islands and the Elephant Islands in the Subarea 48.1 from 5 th to ...

   Meeting Document : SG-ASAM-2019/07 : Автор(ы): X. Wang, X. Yu, X. Zhao, J. Zhang, G. Fan, J. Zhu and Y. Ying

9. Shedding new light on the life cycle of mackerel icefish in the Southern Ocean

   after they have spawned for 2 – 3 times. The number of eggs produced per gram of body weight is higher ... Abstract:  Mackerel icefish (Champsocephalus gunnari) has a widespread distribution in the ... Atlantic and Indian Ocean sectors of the low-Antarctic region. Biological characteristics differ ... considerably between populations in the southern Scotia Arc and those living further to the north. Fish living ...

   Meeting Document : WG-EMM-03/4 : Автор(ы): K.-H. Kock (Germany) and I. Everson (United Kingdom)

10. Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)

    . rossii have not recovered even after commercial fishing has ceased for 20 years. The overall abundance of ... Abstract:  The United States Antarctic Marine Living Resources (U.S. AMLR) program conducted a ... bottom trawl survey in March, 2001 of the South Shetland Islands. Information on species composition ... coriiceps, and Notothenia rossii. Biomass estimates were compared to the results from the 1998 U.S. AMLR ...

    Meeting Document : WG-FSA-01/33 Rev. 1 : Автор(ы): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong and H. Flores

Страницы