Résultats de la recherche
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e-sc-38-a4.pdf
... . The timescale for achieving the target of 50% B0 may be long if the stock is depleted. Details of the ... Toothfish Operators (COLTO) would be hosting an industry–science data management workshop to achieve best ... model and B0 was higher. 126 3.2 The Working Group noted that although this assessment was ... -specification, and hence may not be precautionary. The Working Group recalled that likelihood profiles
application/pdf attached to:WG-SAM-2019
Meeting Report : WG-SAM-2019
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
protocols to be standardised so as to ensure the collection of valuable data, and to assess and implement ... interactions, to enable observer protocols to be standardised so as to ensure the collection of valuable data ... Ocean, adult male sperm whales are present south to Antarctica, and females may be seen off South ... killer whales to be as high as 50% (Tilney and Purves, 1999). The depredation of toothfi sh off ... longlines has obvious economic impacts. There are, however, other factors that should also be of concern ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Auteur(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
estimates of initial (equilibrium) spawning stock abundance (B0) were uncertain, with the median B0 ... % B0 (95% C.I.s 75.34–85.5%). Estimated yields from this model were 361 t, assuming future fishing ...
Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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CCAMLR-XXVII/19, Annex I
Nos 3, 4, 12 SC Agenda No. 4 This document should be read in conjunction with CCAMLR-XXVII/12. Ce ... shall not be cited or used for purposes other than the work of the CCAMLR Commission, Scientific ... of bottom longline fishing on VMEs is so negligible as to be ignored. If the null hypothesis is ... rejected, a best estimate of the nature and potential extent of significant adverse effects should be ...
Document : Site Section: Publications
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e-sc-xxx.pdf
... ............................................................................. 7 Krill recruitment variation, B0 and precautionary yield .............................. 9 Other ... Scientific Committee agreed that the primary purpose of research in data-poor fisheries should be to collect ... productively be expanded to allow consideration of a wider range of focus topics on an as-needed basis to ... would likely need to be a standing topic for discussion every year and may constitute a considerable
application/pdf attached to:SC-CAMLR-XXX
Meeting Report : SC-CAMLR-XXX
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ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT
cohort strength should be incorporated in calculations of TACs. A number of different mechanisms for ... doing this are proposed which maintain SSB above 50% B0 in both the short and long term. Author(s): D.J ...
Meeting Document : WG-SAM-09/13 : Auteur(s): D.J. Agnew and M. Belchier (United Kingdom)
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Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018
extending beyond the authors list. It discusses some specific organizational and technical challenges to be ... instrumentation and sampling gear to achieve approximate consistency with the CCAMLR B0 data collection protocol ...
Meeting Document : SG-ASAM-18/07 : Auteur(s): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
. 19 87 FV V ol zh an in (U SS R ) 1 97 83 FV A . Y ok ha ni (U SS R ) 1 97 93 FV G ... , e.g. the Polish RV Profesor Siedlecki in 1980/81 and 1982/83. The location of fi shing stations ... . Catches were variable between months, as can be seen from total catch fi gures pro- vided by month for ... took place. These exploratory fi shing trials were continued in 1980/81, 1983/84 and 1986/87. Nine ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Auteur(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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e-sc-xxvi-a8.pdf
... to be held in conjunction with WG-FAST meetings. 82. SG-ASAM agreed that future meetings would be ... constrained parameters be used to define krill TS as a function of length at a given frequency; 557 ... -XXIV, Annex 6, Figure 4) should be used as a first estimate of the error associated with krill TS ... ; • the classification of Sv to filter out non-krill targets should be undertaken using the ΔSv technique
application/pdf attached to:SG-ASAM-07
Meeting Report : SG-ASAM-07
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Letter from the Convener
intersessional Working Group meetings of the Scientific Committee are to be held in Punta Arenas, Chile, with ... to last year’s WG-EMM meeting, topics relating to the krill-centric ecosystem will be categorised ... into those that might be considered ‘issues for the present’ and those that might be considered ‘issues ... for the future.’ Issues for the present include consideration of recruitment variation, B0, estimates ...
Document : Site Section: Meetings