Resultados de la búsqueda
-
Assessment of the Dissostichus eleginoides stock in Subarea 48.3 for the 1990/91 season and calculation of TAC for the 1991/92 season
Abstract: Shnyute’s generalised cohort analysis of size composition in catches was used to ... estimate the Dissostichus eleginoides stock in Area 48.3. This made it possible to ignore the hypothesis of ... equilibrium in the stock and to examine the dynamics of its abundance and biomass. At the start of the 1990/91 ... optimal results, fishing operations should be conducted at a level of F0.1. In accordance with such a ...
Meeting Document : WG-FSA-91/24 : Autor(es): P.S. Gasiukov, R.S. Dorovskikh and K.V. Shust (USSR)
-
Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
examined. One allows for the possibility of changes in somatic growth rate in response to increased food ... in somatic growth rate as abundance drops. For the recruitment variability model, results remain ... highly sensitive to the relative weights given to CPUE and catch-at-length data in the model fitting ... the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt ...
Meeting Document : WG-FSA-SAM-04/12 : Autor(es): Brandão, A., Butterworth, D.S.
-
Estimating toothfish biomass in Subarea 48.3 using local depletions
of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ... . Applying a Leslie method we derived toothfish densities in these areas which were linearly correlated with ... CPUE over the four years and multiplying by the total fishable area in Subarea 48.3 we arrived at an ...
Meeting Document : WG-FSA-SAM-04/18 : Autor(es): Pearce, J., Agnew, D.
-
Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula
potential to act as ecological indicators. The western Antarctic Peninsula is one of the three sites in the ... penguin (Pygoscelis papua) in the northern sector of the Danco Coast, north-west of the Antarctic ... Peninsula during the breeding season 2010-2011. Our results showed an overall increase in both populations ... in relation the 1998. Since the effects of climate change and human harvesting could confound ...
Meeting Document : WG-EMM-12/58 : Autor(es): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)
-
Proposals on improving the governance and control of fishing vessels operating in the Southern Ocean
the governance and control of fishing vessels in the Southern Ocean, thereby enhancing safety, and ... Masters, and identification of requirements for environmental response and monitoring in the event of an ... incident. Additionally, CCAMLR should make a commitment to engage fully in the extension of the Polar Code ... involving fishing vessels in the Southern Ocean and developments introduced by CCAMLR. Author(s): Submitted ...
Meeting Document : CCAMLR-XXXIII/BG/22 Rev. 1 : Autor(es): Submitted by ASOC
-
Seabird identification – A photographic guide for observers at sea in Southern Indian Ocean
observers at sea in the correct identification of seabirds. It does this through providing several images ... for each species, at different stages and different angles both in the air and in the water. This ... project has been achieved thanks to French observers at sea working in Kerguelen and Crozet waters under ...
Document : Site Section: Science
-
Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery
Paper Title: Some aspects of the relation between Antarctic krill abundance and CPUE measures in ... limitations on the vessels, and product quality considerations- in particular the increasing tendency to avoid ... catching “green” krill. These factors result in Catch-per-Day and Catch-per-Haul measures being unlikely to ... -swarm density. Search time data may be needed to assess the density of swarms in a concentration, but ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 109–125 : Autor(es): Butterworth, D.S.
-
Some aspects of spatial–temporal variability of hydrodynamic water circulation and krill distribution in the Scotia Sea
Abstract: The authors considered the inter-annual variability of krill transport factors in the ... krill in subareas/SSMUs in the Scotia Sea is in a greater degree a reflection of the dynamics of krill ... variability of hydrodynamic water circulation and krill distribution in the Scotia Sea Microsoft Word File ...
Meeting Document : WG-EMM-16/39 : Autor(es): S.M. Kasatkina and V.N. Shnar
-
Developing priority variables (“ecosystem Essential Ocean Variables” – eEOVs) for observing dynamics and change in Southern Ocean ecosystems
Abstract: Reliable statements about variability and change in marine ecosystems and their ... ecosystems. Here, assessments are concerned with estimating status and trends in ecosystem properties ... support assessments. In this paper we outline the rationale, including establishing a set of criteria, for ... and use of eEOVs in an observing system in the Southern Ocean, noting that existing operations and ...
Meeting Document : WG-EMM-16/P11 : Autor(es): A.J. Constable, D.P. Costa, O. Schofield, L. Newman, E.R. Urban Jr., E.A. Fulton, J. Melbourne-Thomas, T. Ballerini, P.W. Boyd, A. Brandt, W. de la Mare, M. Edwards, M. Eléaume, L. Emmerson, K. Fennel, S. Fielding, H. Griffiths, J. Gutt, M.A. Hindell, E.E. Hofmann, S. Jennings, H.S. La, A. McCurdy, B.G. Mitchell, T. Moltmann, M. Muelbert, E. Murphy, T. Press, B. Raymond, K. Reid, C. Reiss, J. Rice, I. Salter, D.C. Smith, S. Song, C. Southwell, K.M. Swadling, A. Van de Putte and Z. Willis
-
Joint report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2015/16 fishing seasons
be determined for Divisions 58.4.1 and 58.4.2, and precautionary management arrangements are in place ... as set out in Conservation Measures 41-11 and 41-05. Multiple exploratory fishing research plans are ... currently in place by Australia (commenced 2015/16), France (commencing 2016/17), Japan (commencing 2016/17 ... proponents of research in these Divisions (WG-SAM-16 para. 3.12). Accordingly, a single consolidated research ...
Meeting Document : WG-FSA-16/30 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain