Résultats de la recherche
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e-sc-ix-a4.pdf
... conservation of marine living resources at its meeting in 1988, the Commission sought the Scientific ... possible to estimate fishing intensity and initial biomass of krill at the beginning of the fishing period ... in the region concerned at a point of time, averaged over the usually short period of the survey ... biomass of all krill, which are in the region at some time during the year. It is the ‘effective total
application/pdf attached to:WG-KRILL-90Meeting Report : WG-KRILL-90
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e-sc-xiii-a8.pdf
... De Poorter (WG-IMALF-94/5) observed the hauling of three lines (set at night) and recorded six dead ... setting were 5 to 10% effective at reducing seabird mortality. The use of a towed streamer line (as ... setting, none during hauling) at an average rate of 0.47 birds/1 000 hooks (WG-IMALF-94/15). However ... albatrosses). The levels of mortality, at least in some previous years with greater fishing effort and
application/pdf attached to:WG-IMALF-94Meeting Report : WG-IMALF-94
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Field Identification Guide to Heard Island and McDonald Islands Benthic Invertebrates
deployment at-sea, and for use in making accurate identifi cations of invertebrate by catch when operating ... the listing, although at that stage, little was known of the marine benthic habitats. In response to ... diversity is broad in the area and identifi cation requires at least some form of training to competently ... publication includes instructions to observers for collection of benthic organisms at sea, quick-reference ...
Document : Site Section: Publications
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Field Identification Guide to Heard Island and McDonald Island Benthic Invertebrates
deployment at-sea, and for use in making accurate identifi cations of invertebrate by catch when operating ... the listing, although at that stage, little was known of the marine benthic habitats. In response to ... diversity is broad in the area and identifi cation requires at least some form of training to competently ... publication includes instructions to observers for collection of benthic organisms at sea, quick-reference ...
Document : Site Section: Science
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e-sc-vi-a5.pdf
... (Hobart, Australia, 19–23 October, 1987) INTRODUCTION The meeting of the Working Group was held at ... list of documents presented at the meeting is given in Appendix B. The agenda, as adpoted by the ... deadlines for the reporting of 1986/87 STATLANT data (30 September), and had only submitted their data at ... (possibly at a small workshop) to the potential use of early life-history information in stock assessment
application/pdf attached to:WG-FSA-87Meeting Report : WG-FSA-87
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e-sc-40-a4.pdf
... update of biomass estimates at the subarea scale as well as potentially at multiple scales (CCAMLR-38 ... swarms-based method and using the daytime mean areal biomass density of 8.3g m–2. 2.25 At the time of ... available estimate for the eastern sector of Division 58.4.2. 2.26 At the time of report adoption, Dr S ... report of the meeting was adopted. 6.2 At the close of the meeting Dr Fielding and Dr Wang thanked all
application/pdf attached to:WG-ASAM-2021Meeting Report : WG-ASAM-2021
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e-sc-xxxii-a04.pdf
... rely on bathymetry datasets which may be at low resolution in areas of the Southern Ocean. It ... from those vessels from which at least one tagged fish has been recaptured, in the year of that tagged ... ) Precautionary exploitation rates should be evaluated at the level of the stock, but where a stock hypothesis is ... unknown, then estimating exploitation rate at the scale of the SSRU is appropriate. (viii) Combined
application/pdf attached to:WG-SAM-13Meeting Report : WG-SAM-13
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e-sc-40-a6.pdf
... ........................................................... 155 WG-SAM advice: Parameterisation for GYM at scale of subareas and advice on the application of ... distribution of krill by calculating the Moran’s I value of krill density distribution at differing spatial ... processing method combinations. 2.21 The Working Group expressed some concern at the inconsistencies of ... for detecting interannual variability and periodicity. 2.26 At the time of report adoption, Dr S
application/pdf attached to:WG-EMM-2021Meeting Report : WG-EMM-2021
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6
Dissostichus spp. at a rate of one fish per tonne of green weight caught, and a limit of 500 fish tagged per ... skate) at a rate of one skate in every five skates caught in exploratory fisheries, up to a maximum of ... randomly sampled by observers at a rate of three skates per thousand hooks for the purpose of collecting ... (Annex 41-01/C). Carry forward Toothfish tagged at a rate of at least three fish per tonne green ...
Document : Site Section: Publications
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... indicate that the TS–TL relationships at 38, 120 and 200 kHz of adults of P. antarcticum differ ... Ross Sea Abstract / Description: Target strength (TS) of preserved (frozen and defrosted) Antarctic ... silverfish (Pleuragramma antarcticum) of total length (TL) from 110 to 202.5 mm were measured ex situ (Ancona ... experiments targeted at juveniles and post-larvae of P. antarcticum with a total length from 13 to 70 mm ... , were conducted in the southeast of the continental slope and shelf of the Ross Sea at depths from 30 ... , and at length >45–48 mm as that of an almost fluid object containing distributed scattering elements ... experiments. The aim of this paper is to determine TS of P. antarcticum at 38, 120 and 200 kHz using in ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Auteur(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi