Search results
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Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas
on the Island. 3. During late incubation and brood periods over 90% of time spent foraging by black-browed ... foraging in MPAs. 4. Black-browed and grey-headed albatrosses spent 30 % and 15 % of their respective ... . 3. During late incubation and brood periods over 90% of time spent foraging by black-browed albatrosses ... in MPAs. 4. Black-browed and grey-headed albatrosses spent 30 % and 15 % of their respective foraging time ...
Meeting Document : WG-FSA-04/49 : Author(s): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)
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Annual report of research fishing operations at Division 58.4.3a in the 2017/18 fishing season
. One fishing cruise by French vessel (“ Mascareignes III ”) took place in May 2018 and caught 2.5 ... (Dissostichus eleginoides) in Division 58.4.3a in the 2017/18 fishing season by France and Japan. One fishing ... Secretariat on the 21th August 2018. In this paper, the data set during current fishing season (2017/18 ... cruise by French vessel (“Mascareignes III”) took place in May 2018 and caught 2.5 tonnes ...
Meeting Document : WG-FSA-18/50 : Author(s): Delegations of France and Japan
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Annual report of research fishing operations at Division 58.4.4b in the 2017/18 fishing season
. One fishing cruise by French vessel (Ile Bourbon) took place in March 2018 and caught 1.6 tonne ... (Dissostichus eleginoides) at Division 58.4.4b in the 2017/18 fishing season by France and Japan. One ... on the 3th August, 2018. In this paper, the data set during current fishing season (2017/18) was used ... fishing cruise by French vessel (Ile Bourbon) took place in March 2018 and caught 1.6 tonne ...
Meeting Document : WG-FSA-18/67 : Author(s): Delegations of Japan and France
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Proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
a succeeding research proposal with updated research objectives for 2018/19 to 2021/22, in accordance ... with Annex 24-01/A, Format 2. This succeeding plan has been designed as a 4-year plan, based on the low risk ... years in non-stock-assessment years. Based on the outcomes of the approach to review the locations ... 58.4.1 and 58.4.2) from 2018/19 to 2021/22 Approval: Approved Secretariat Workflow Status: Content ...
Meeting Document : WG-FSA-18/59 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year Chapman ... of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year Chapman ... and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman estimate ... and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ...
Meeting Document : WG-FSA-18/36 : Author(s): S. Mormede and S. Parker
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Performance metrics to index the spatial coverage of mark-recapture data
new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ... was 70% (95% CIs 53–80%), and the median tag overlap bias was 88% (95% CIs 64–114%). In 2014 the median ... biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two statistics ... ;80%), and the median tag overlap bias was 88% (95% CIs 64–114%). In 2014 the median tag spatial ...
Meeting Document : WG-SAM-16/13 : Author(s): C. Marsh, A. Dunn and S. Mormede
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Net sample validation of acoustic techniques used to identify and size Antarctic krill
into species groups has been attempted using differences in echo strength at two acoustic frequencies (ΔMVBS ... with an RMT8. Around 80 % of the targets thought to be krill on the basis of their appearance on echo-charts ... = MVBSI20- MVBS3S; where ΔMVBS between 2 & 12 dB). Biomass values estimated from krill identified using ... has been attempted using differences in echo strength at two acoustic frequencies (ΔMVBS). Here we ...
Meeting Document : WG-EMM-97/46 : Author(s): Watkins, J.L., Brierley, A.S.
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... –B), using revised catch, CPUE, catch-at-age and tag-recapture data from New Zealand vessels. The updated ... entirely due to the impact of the catch-at-age data from the shelf fishery. Parameterising the model ... We provide an update of the Bayesian sex and age structured population stock assessment model ...
Meeting Document : WG-FSA-06/60 : Author(s): A. Dunn and S.M Hanchet (New Zealand)
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Results of the seventh Ross Sea shelf survey to monitor abundance of Antarctic toothfish in the southern Ross Sea, January 2018, and notification for research in 2018/19
to the average index early in the time series, and length and age frequency data showed the progression ... to the average index early in the time series, and length and age frequency data showed the progression ... (large sub-adult and adult) toothfish in two areas (both situated in SSRU 881.M) of importance ... to mammalian toothfish predators: McMurdo Sound in 2018, and Terra Nova Bay surveyed in 2017. The estimated ...
Meeting Document : WG-SAM-18/10 : Author(s): D. Stevens, X. Fu, S. Mormede and S. Parker
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern limit ... superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near ...
Meeting Document : WG-EMM-2019/P02 : Author(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley