Resultados de la búsqueda
-
Results of the fourth CCAMLR sponsored research survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2015 and further development of the time series
abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... of high sub-adult abundance that could be included as strata in future annual surveys. The 2015 ... , and warrant future monitoring. We recommend the survey be continued to provide information on year ... class strength and recruitment variability, and an index of local abundance to be incorporated in the ...
Meeting Document : WG-SAM-15/44 : Autor(es): S.M. Hanchet, B.R. Sharp, S. Mormede, S.J. Parker (New Zealand) and M. Vacchi (Italy)
-
A simulation study of krill fishing by an individual Japanese trawler
collection of the requisite data may not be practical. Other approaches (e.g. research vessel surveys) need ... to be considered to monitor changes in the number, distribution and size of krill concentrations ... be given to improving the krill distribution model underlying the analysis; this probably requires ... that scientific surveys be planned to operate in small areas concurrently with fishing vessels. File ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Autor(es): Butterworth, D.S.
-
Reproductive ecology of Antarctic toothfish, Dissostichus mawsoni (Norman, 1937) (Actinopterygii: Nototheniidae), in the Antarctic waters (SSRUs 58 and 88)
March, 2016. Female ratios were found to be 0.49 in both areas, showing higher female occurrence with ... was found to be 0.53, and displayed the tendency of increase with increase in the total length 140 cm ... are as follows. The average gonadosomatic index of the fish was found to be 2.16, with 2.57 for female ... was found to be 3.88, with 4.18 for female and 3.53 for male. Frequency of ovarian development stages ...
Meeting Document : WG-FSA-18/65 : Autor(es): J.-W. Kim, S.-G. Choi, S. Chung and D.H. An
-
Directions followed by the French fishing companies involved in the toothfish fishery of the French EEZ, in order to minimise the incidental mortality of birds
companies during the 2005/2006 fishing season- and which will be followed during the 2006/2007 fishing ... which takes place in the French EEZ. Beyond the reduction of the mortality which can be estimated ... which was, and continues to be, observed. During the 2005/2006 fishing season, the French vessels also ... startling device (laser gun). Some of these experiments will be carried on during the 2006/2007 fishing ...
Meeting Document : SC-CAMLR-XXV/BG/23 : Autor(es): Delegation of France
-
Expert Workshop on Pelagic Spatial Planning for the eastern subantarctic region (Domains 4, 5 and 6)
plankton, mesopelagic fish and top predators were considered to be relevant to future ecoregionalization ... may be influenced by climate change and will influence the spatial distribution of pelagic assemblages ... biogeographical distributions has to be conducted at the scale of plateaus and oceanic zones between them which ... . High productive pelagic areas must be considered in relation to the bathymetry, iron enrichment, fronts ...
Meeting Document : SC-CAMLR-38/BG/29 : Autor(es): A.B. Makhado, A. Lowther, P. Koubbi, I. Ansorge, C. Brooks, C. Cotté, R. Crawford, S. Dlulisa, F. d’Ovidio, S. Fawcet, D. Freeman, S. Grant, J. Huggett, M. Hindell, P.A. Hulley, S. Kirkman, T. Lamont, M. Lombard, M.J. Masothla, M.-A. Lea, W.C. Oosthuizen, F. Orgeret, R. Reisinger, T. Samaai, S. Sergi, K. Swadling, S. Somhlaba, A. Van de Putte, C. Von de Meden and D. Yemane
-
Informes de pesquerías de 2013
satisfactory conclusion of those discussions the draft reports will be replaced on this page and a revised ... schedule for editing and final publication will be advised. ...
Page : Site Section: Publications
-
An initial analysis of the characteristics of Antarctic krill taken by the commercial fishery and Antarctic fur seals during the winters of 2002 and 2003 at South Georgia
observers that should be addressed prior to more detailed analysis, nevertheless there was considerable ... during winter. It may be appropriate to review the number of krill measured by observers in order to ... ensure that other sufficient time can be allocated to other activities, especially the assessment of by ...
Meeting Document : WG-EMM-04/62 : Autor(es): K. Reid, D.J. Agnew, N.L. Warren and E. Owen (United Kingdom)
-
Sampling toothfish from longlines with unequal probabilities
vital rates. To resolve this, either the probabilities need to be incorporated in the analysis of ... sampling data, or sampling effort should be proportional to catch effort. As vessels generally record the ... ; but, preferably, the observer should start as close as feasible, and not be consistently late or early ...
Meeting Document : WG-FSA-03/85 : Autor(es): J.R. Ashford (USA)
-
Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
, the natural mortality rate (M, which should be,0.2 year21), and the assumed ratio of FMSY to M. These ... input values are expected to be approximate, and based on the estimates of their imprecision, the ... uncertainty can be integrated by Monte Carlo exploration of DCAC values. Author(s): A.D. McCall Title ...
Meeting Document : WG-SAM-11/P3 : Autor(es): A.D. McCall
-
AND DOMESTIC SUBANTARCTIC FISHERIES BY THE AUSTRALIAN ANTARCTIC DIVISION AND THE AUSTRALIAN FISHERIES MANAGEMENT AUTHORITY
increase in sophistication, the tasks required to be completed by observers are increasing in number and ... . Australia considers the use of such a performance management system to be essential in ensuring that high ... quality data continues to be collected by SISO. Author(s): O’Regan, K., Welsford, D., Robertson, T., Lamb ...
Meeting Document : TASO-08/05 : Autor(es): O’Regan, K., Welsford, D., Robertson, T., Lamb, T.