Resultados de la búsqueda
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
ecosystem, (ii) what should be the conservation objectives for predators of fished species, and (iii) what ... approaches could be considered for achieving the conservation objectives? The approach proposed here takes ... formulated here, can also be related directly to the effects of fishing. These features are currently ...
Meeting Document : WG-EMM-12/P04 : Autor(es): A.J. Constable
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European Union – Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2
fishery in order to be aware of the pressures within the fishery as well as the trends and changes that ... standard metrics of capacity and capacity utilisation that can be used to monitor trends in the fishery ... . Such metrics could be routinely produced by the CCAMLR secretariat using the CCAMLR C2 data. Author(s ...
Meeting Document : WG-SAM-14/19 : Autor(es): Delegation of the European Union
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Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls
increased mortality rate. The escape mortality rate from experiment parallels and considered to be closest ... to a realistic catching process in a 16 mm mesh size, was found to be 1-6%. Krill may be more ...
Meeting Document : WG-EMM-14/14 : Autor(es): B.A. Krafft (Norway) and L.A. Krag (Denmark)
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Continuation proposal of a multi-Member longline survey on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b in 2018/19 by Japan and France
, paragraph 3.208), which requested that research activities be coordinated between France and Japan so that ... selectivity and catch rates can be standardized across the vessels and impacts of depredation be minimized ...
Meeting Document : WG-SAM-18/03 : Autor(es): Delegations of Japan and France
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Data collection and sharing
capability for information acquisition, verification, archiving and delivery should be maintained and ... the period of re-design and transition, and any such needs should be identified and addressed. These ... tasks need to be considered in the light of the resources allocated to them by the Commission. SC (2008 ... Recommendation Responsible body Activities to date Status 3.3.2.1 An explicit mechanism should be established ...
Page : Site Section: The Organisation
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
yield model and the generalised yield model (GYM), are currently available to CCAMLR that can be used ... yield in other finfish fisheries but can also be used for krill. The decision rules relate to the ... biomass is known prior to a projection so that in each trial a direct assessment can be made of (i ... needs to be estimated prior to each trial in order for it to be based on the parameters for that trial ... generalised yield model (GYM), are currently available to CCAMLR that can be used for estimating yields ... fisheries but can also be used for krill. The decision rules relate to the effects of a specified long-term ... projection so that in each trial a direct assessment can be made of (i) whether the stock became critically ... . Consequently, the median pre-exploitation biomass needs to be estimated prior to each trial in order for it to ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Autor(es): Constable, A.J. and W.K. de la Mare
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Ecological risk management and the fishery for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
research and management resources can be prioritised so as to meet the objectives of Article II of CCAMLR ... climate change) may not be able to be well predicted. The uncertainty arising from the complexity of the ... system and external factors acting on it means that risk management and ongoing monitoring will be ...
Meeting Document : WG-EMM-07/24 : Autor(es): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Non-native Species in the Antarctic: Report of a Workshop
species, but the continent and Southern Ocean can no longer be considered immune. More than 200 non-native ... therefore that the workshop outcomes be presented also to CCAMLR’s Scientific Committee. SC-CAMLR is invited ... that may need to be taken to minimize the risk of introducing invasive species as a result of ... the CEP’s consideration of this matter? • What aspects of commercial fishing activity may prove to be ...
Meeting Document : SC-CAMLR-XXV/BG/21 : Autor(es): Delegation of New Zealand
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An assessment of toothfish in Subarea 48.3 using CASAL
). For the baseline assessment incorporating two fleets, the 2005 vulnerable biomass was estimated to be ... 45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... level. For the alternative single fleet assessment, the 2005 vulnerable biomass was estimated to be ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ...
Meeting Document : WG-FSA-05/16 : Autor(es): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters
found that, for inclusion in the index, parameters should be positively correlated with all other ... for determining the correlation coefficients. These criteria need to be accepted with caution. Further ... which of the available parameters might be included in the index. A general challenge is to identify how ... some parameters in the index needs to be evaluated in the wider context of being able to make correct ...
Meeting Document : WG-EMM-98/45 : Autor(es): A. Constable (Australia)