Resultados de la búsqueda
-
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
-
Ecological risk management and the fishery for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
system and external factors acting on it means that risk management and ongoing monitoring will be ... Ross Sea, Antarctica. We propose that, by defining risks and quantifying potential impacts, the limited ... research and management resources can be prioritised so as to meet the objectives of Article II of CCAMLR ... Toothfish to below a level that ensures stable recruitment. 2. Bycatch species harvest: Risks of depletion ...
Meeting Document : WG-EMM-07/24 : Autor(es): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
-
Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017
strata carried out from 2012–2015. It is also proposed that the survey be extended to include adult ... basis, it is proposed that these two areas be surveyed in alternate years. Therefore, it is proposed to ... , and trends in the time series, be presented to WG-FSA for review in 2016 and that a full review be ... the same as in previous years, and the number of sets will be retained at 45 sets for the core strata ...
Meeting Document : WG-SAM-15/45 : Autor(es): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
-
L'E-CDS moderne
Author(s): Délégation française Title: L039;E-CDS moderne Approval: Approved ...
Meeting Document : CCAMLR-XXIV/BG/27 : Autor(es): Délégation française
-
Draft Headquarters Agreement (Results of Chairman's Informal Consultations)
Title: Draft Headquarters Agreement (Results of Chairman039;s Informal Consultations) Approval ...
Meeting Document : CCAMLR-II/18
-
Using the EPOC modelling framework to assess management procedures for Antarctic krill in Statistical Area 48: evaluating spatial differences in productivity of Antarctic krill
spatial and temporal variability of krill productivity is likely and that attention needs to be given to ... evaluate management procedures for the Antarctic krill fishery. The key issues to be resolved in the ... ameliorate any local fluctuations in krill abundance and (iii) fishery behaviour could be constrained by ... conservation objectives for predators could be affected by those changes. Productivity of krill can be impacted ...
Meeting Document : WG-EMM-06/38 Rev. 1 : Autor(es): A.J. Constable (Australia)
-
YEAR OF THE SKATE SAMPLING PROTOCOL: LEARNING FROM THE 2007–08 SEASON SAMPLING PROTOCOL ON NZ VESSELS
effort on bycatch will be concentrated on skate species in that year in order to inform a full skate ... assessment. This paper discusses improvements to the fishery derived data that may be required to better ... developed preliminary assessment models for skates, they also highlighted that further information was ... required before a full assessment can be carried out. In 2007, WG-SAM recommended (CCAMLR XXVI WG-SAM ...
Meeting Document : WG-FSA-08/49 : Autor(es): S. Mormede (New Zealand)
-
A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
limit in Area 48 that will be highly likely to achieve the objectives of the convention despite the ... uncertainties in knowledge. This will be part of the management procedure governing the krill fishery. The ... which linkages between those elements might be considered. The second section details a model framework ... for understanding the ecosystem effects of fishing, (ii) important physical processes that will ...
Meeting Document : WG-EMM-04/24 : Autor(es): A. Constable (Australia)
-
Assessing status and change in Southern Ocean ecosystems
likelihood of future states be assessed? What are the gaps in knowledge that are required to be able to ... population responses of biota to change in their habitats? What observations need to be taken that will ... function can be unambiguously assessed in the future. This challenge includes being able to assess the ... challenge: How should status and trends in those ecosystems be assessed and reported and how will the ...
Meeting Document : WG-EMM-13/36 : Autor(es): A. Constable (Australia), D. Costa (USA), E. Murphy (United Kingdom), E. Hofmann, O. Schofield (USA), A. Press (Australia), N. Johnston (United Kingdom) and L. Newman (Australia)
-
Modelling crustacean fisheries: effects of parasites on management strategies
affect only females or feminize males, they may be protected by management practices that protect females ... Abstract: The reproductive performance of commercially important crustaceans may be considerably ... . To manage a parasitized stock, we suggest that strategies should vary depending on the recruitment ... dynamics of both host and parasite. For a certain spatial scale, recruitment to a population may be " ...
Meeting Document : WS-CRAB-93/09 : Autor(es): A.M. Kuris and K.D. Lafferty (USA)