Resultados de la búsqueda
-
Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
design of the annual survey indicated some variability in survey catchability between years and suggest ... 1999. A minor revision to the recruitment series resulted in a relatively small reduction in the ... length at age vector that did not include growth beyond 15 years had only small effects on projected long ... term yields. Further work is required to evaluate the implications of current uncertainty in the rate ...
Meeting Document : WG-FSA-03/33 : Autor(es): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
-
Summary of scientific observer data collected in the CAMLR Convention Area during 2013
Abstract: This paper summarises the data collected by Scientific Observers operating in the ... Secretariat up to 30 Sept 2013).. Information on observer coverage, incidental mortality (including the ... Title: Summary of scientific observer data collected in the CAMLR Convention Area during 2013 Approval ...
Meeting Document : WG-FSA-13/68 Rev. 1 : Autor(es): Secretariat
-
Biomass results from the International Synoptic Krill Survey in Area 48, 2019
), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ... Abstract: Results from the International Synoptic Krill Survey in Area 48, 2019, are presented ... methods and procedures used in the CCAMLR 2000 krill acoustic survey. Backscatter from krill were ... in Area 48, 2019 Microsoft Word File: asam-2019-08r1.docx Approval: Approved Secretariat Workflow ...
Meeting Document : SG-ASAM-2019/08 Rev. 1 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox
-
Adélie penguins’ response to unmanned aerial vehicle at Cape Hallett in the Ross Sea region, Antarctica
) in 2018. In order to obtain suitable images for counting the number of nests and mitigate ... Abstract: Aerial photography is widely accepted as a useful method for monitoring penguins in ... Antarctica, but there are concerns about the disturbance it causes to penguins in the process. Since 2016 ... Adélie penguins in this area, because Cape Hallett was designated as a new site for the Ecosystem ...
Meeting Document : WG-EMM-2019/36 Rev. 1 : Autor(es): J.-H. Kim, Y.-S. Kim, J.-W. Jung, W.Y. Lee, H.-C. Kim, J.H. Kim, H. Chung and H.C. Shin
-
Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time
Paper Title: Calibration of an acoustic echo-integration system in a deep tank, with system gain ... a 120 kHz split-beam transducer in a refrigerated 10 m deep tank. Calibration parameters are studied ... in relation to sphere material (WC and Cu), water temperature (0.5 to 5.5°C), transmitted pulse ... length (0.1, 0.3 and 1.0 ms), target depth (0.8 to 7.5 m), and time (149 days). The total range in TS ... -INTEGRATION SYSTEM IN A DEEP TANK, WITH SYSTEM GAIN COMPARISONS OVER STANDARD SPHERE MATERIAL, WATER ... transducer in a refrigerated 10 m deep tank. Calibration parameters are studied in relation to sphere ... ), target depth (0.8 to 7.5 m), and time (149 days). The total range in TS gain, including the effects of ... between SA gain and TS gain. The total spread in SA gain, including the effects of temperature, standard ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Autor(es): Demer, D.A. and R.P. Hewitt
-
Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
of the austral summer sea-ice in the current research blocks in past ten years. The sea-ice condition ... observer data. The stock size estimates for the research block (5842E) was revised following advice in the ... last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ...
Meeting Document : WG-FSA-13/39 : Autor(es): Delegation of Japan
-
Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
of the austral summer sea-ice in the current research blocks during past 10 years. The sea-ice ... observer data. The stock size estimates for research blocks were revised following advice in the last WG ... -SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in such a way ... that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of coefficient ...
Meeting Document : WG-FSA-13/38 : Autor(es): Delegation of Japan
-
Matlab code for calculating krill biomass in a survey area
Abstract: In 2010, CCAMLR tasked the Subgroup on Acoustic Survey and Analysis Methods (SG-ASAM ... ) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... algorithms developed since the first calculation in 2000. Subsequent to the 2010 SG-ASAM, code used to obtain ... others to derive biomass estimates. Over the last several years, attempts by many nations to use this ...
Meeting Document : SG-ASAM-16/03 : Autor(es): A. Cossio, J. Renfree and C. Reiss
-
Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... the next two years, 2016 and 2017, is presented. The survey will continue to focus primarily on ... estimating the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in ... developed to monitor larger (sub-adult and adult) toothfish in McMurdo Sound and Terra Nova Bay, where ...
Meeting Document : WG-FSA-15/34 : Autor(es): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
-
Assessment models for Patagonian toothfish in research block 5843a_1 of Division 58.4.3a, Elan Bank
status assessments of Dissostichus eleginoides in research block 5843a_1 in Division 58.4.3a for the ... years 2004/05 to 2012/13 following the recommendation during the last WG-SAM meeting. The two models are ... generally based on those with the same names in WG-SAM-14/17 as follows: 1) R.0.1 model without tagging ... events before 2008, and 2) R.1 model including all tagging events (years 2005-2012). These models were ...
Meeting Document : WG-FSA-14/22 : Autor(es): K. Taki (Japan)