Resultados de la búsqueda
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Acoustic survey design to estimate krill biomass in Subareas 48.1, 48.2 and 48.3
Abstract: The Scientific Committee has requested advice on the feasibility of conducting a ... synoptic survey of krill biomass in Statistical Area 48. Example calculations are presented for estimating ... the amount of survey effort required to achieve a target level of precision using a stratified random ... 1.25 ship-months of survey effort can provide an estimate of krill biomass in Subareas 48.1, 48. 2 and ...
Meeting Document : WG-EMM-95/71 : Autor(es): Hewitt, R.P., Watters, G.
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Catch Uncertainty in Krill Fisheries
. Quantifying the level of uncertainty in reported catches of krill would require information on product ... well as the product composition of catches. Author(s): Secretariat Title: Catch Uncertainty in Krill ... CCAMLR. However, given the currently reported variability in conversion factors for krill, a nominal ... reported catch of 600 000t could actually represent a catch in ‘green weight’ of 2.5 million tonnes ...
Meeting Document : WG-EMM-08/46 : Autor(es): Secretariat
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Research data collection in CCAMLR longline fisheries for toothfish using electronic monitoring on fishing vessels
examples demonstrating the use of EM to collect research data in the CCAMLR managed Ross Sea toothfish ... efficient method of assisting reliable reporting in commercial fisheries. These systems have been ... effective management by increasing the amount and quality of scientific research data that can be supplied ... fishery by New Zealand. Following the success of this work and other trials undertaken by other New ...
Meeting Document : WG-FSA-2019/13 : Autor(es): J.M. Fenaughty
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Food consumption by predators in a CCAMLR integrated study region
consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... / Description: A detailed description of the structure and mode of operation of a model for estimating food ... provided, illustrating the changes produced by using these new sub-models. Results of initial sensitivity ... analyses indicate particular sensitivity to estimation of metabolic energy requirements. The system is ... seabird predators is provided. This model is a development of earlier ones used in the South Georgia ... The original version of this program was developed in 1982 and 1983 by Dr C. Ricketts at British ... management and licensing strategy for finfish and krill in the South Georgia area. Version 1.0 of the ... variation in the calorific value of all prey items. Version 3.20 The program can allow for seasonal ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Autor(es): Croxall, J.P., C. Ricketts and A.G. Wood
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Interim protocol for fish/fish larvae by-catch observation in krill fishery
colleagues/operators/observer coordinators in response to these recent requests by the CCAMLR Scientific ... Committee (SC-CAMLR 2006). The purpose of developing this protocol is to standardize the larval fish by ... therefore the rest of the observation must be undertaken using the usual CCAMLR observer manual. This manual ... was distributed to all the fishing krill fishing nations prior for use in 2006/07 fishing season ...
Meeting Document : WG-EMM-07/25 : Autor(es): S. Kawaguchi (Australia)
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Spatially extensive standardized surveys reveal widespread, multi-decadal increase in East Antarctic Adélie penguin populations
Abstract: This paper provides some of the detail to standardisation examples that are outlined in ... the more general Working Group paper titled ‘The importance of standardising and validating new ... methods for CEMP to maintain the robustness of long-term time series’. We recommend reading the general ... (France) Title: Spatially extensive standardized surveys reveal widespread, multi-decadal increase in ...
Meeting Document : WG-EMM-15/P04 : Autor(es): C. Southwell, L. Emmerson, J. McKinlay, K. Newbery (Australia), A. Takahashi, A. Kato (Japan), C. Barbraud, K. Delord and H. Weimerskirch (France)
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Food consumption by predators in CCAMLR Integrated Study Regions
Abstract: A detailed description of the structure and mode of operation of a model for estimating ... food consumption of seabird predators is provided. This model is a development of earlier ones used in ... . Specimen outputs are provided, illustrating the changes produced by using these new sub-models. Results of ... the South Georgia Integrated Study Region and incorporates new features, allowing for seasonal ...
Meeting Document : SC-CAMLR-IX/BG/16 : Autor(es): Delegation of United Kingdom
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Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2
krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR. The planned survey will utilise a standardised design as adopted in ... previous B0 surveys in the CCAMLR Area and will use a similar methodology for collecting an analysing the ... consist of 15 parallel transects between 30° and 80°E. The survey design is presented to WG-EMM for their ...
Meeting Document : WG-EMM-04/37 : Autor(es): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)
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Characterising catch and effort from data-poor toothfish fisheries in CCAMLR Divisions 58.4.3 – 58.4.4
Bank) accumulated the highest proportion of allocated effort in which a total of 948 sets (52\%) were ... not been completed in most of the recent fishing seasons. Soaking time showed high variability and no ... to fishing logbooks recorded in the exploratory fisheries carried out between July 2000 and March ... 2012. During this period, a total of 9 countries registered fishing operations in which 1811 sets were ...
Meeting Document : WG-SAM-13/41 : Autor(es): J.C. Quiroz, R. Wiff (Chile) and P. Martinez (Argentina)
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UK groundfish survey in Subarea 48.3 (South Georgia and Shag Rocks), January 2000
the UK conducted throughout the late 1980s and 1990s. The swept area estimates of the standing stock ... Abstract: A survey was conducted by the UK around South Georgia and Shag Rocks, Subarea 48.3 ... , from 11 January to 2 February 2000, using the FV Argos Galicia. The design followed similar surveys by ... of Champsocephalus gunnari were about 24,800 t. Estimates for other major species are given. Author(s ...
Meeting Document : WG-FSA-00/21 : Autor(es): I. Everson, D. Agnew, P. Bagley, M. Collins, T. Daw, R. Forster, T. Marlow, A. North (United Kingdom), J. Szlakowski (Poland), E. Van Wijk (Australia), S. Wilhelms (Germany) and C. Yau (United Kingdom)