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Use of indices of predator status and performance in CCAMLR fishery management
of likely operational constraints on fisheries. File: 20-Croxall.pdf ... last year and with average(s) of previous years. Determine level of statistical significance of ... situation within two to three decades (as required by Article 11 of the Convention). We should also ... environment, evidence for short-term changes (year-to-year differences or trends over three to five years ... of resources should not be detrimental to natural consumers (see Article 11, paragraph 3{b)). This ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Автор(ы): Croxall, J.P.
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
, varying by a factor of 2-3 between years, but C. gunnari abundance can vary by a factor of about 20 ... between years. This is the result of occasional strong year classes entering the fishery and dominating ... Heard Island Plateau and Shell Bank. Abundances and length density plots of these species plus two ... the population for about 2 years before disappearing, as has been documented in other locations ...
Meeting Document : WG-FSA-00/40 : Автор(ы): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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Fishery Report 2014: Champsocephalus gunnari South Georgia (Subarea 48.3)
gunnari) grow rapidly to a maximum size of 55 cm, reaching a marketable size of 30 cm in three years ... of 90 mm. In recent years, the catch limit for this fishery has been between 1 500 and 5 000 tonnes ... fishing season (from 1 December 2013 to 30 November 2014). FISHERY REPORT 2014: CHAMPSOCEPHALUS ... December 2013 and ended on 30 November 2014. The total catch of C. gunnari in 2014 was 33 tonnes. 5 ...
Document : Site Section: Publications
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
ship039;s speed exceeded 7 knots and when the ship was over the shelf around the main island of South ... other scatterers. A threshold at one frequency was used to remove noise and any echoes too weak to be ... backscattering strength at the two frequencies into a) echoes from krill-sized scatterers and smaller and b ... . An overall mean for daytime transects was 95 g m-2. Author(s): Everson, I., Goss, C. Title: An ...
Meeting Document : WG-EMM-96/42 : Автор(ы): Everson, I., Goss, C.
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
039;s Law for the distribution of the first significant digit, whether length-frequency data have been ... fishery. Cluster analyses suggests two groups of trips, one of which can tentatively be considered to have ... released by the other group of trips. Author(s): D.A.J. Middleton and A. Dunn (New Zealand) Title ...
Meeting Document : WG-SAM-08/13 : Автор(ы): D.A.J. Middleton and A. Dunn (New Zealand)
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e-sc-xx-a5-appH.pdf
... split annulus, and if it occurred after eight years, 540 then two annuli should be assumed. This ... criterion is based on two themes, i.e. the relatively high abundance of split zones in the early years of ... of otoliths from 40 fish (80 otoliths total). • One otolith of each pair should be prepared and ... should be divided between the other two laboratories, designated ‘receiving laboratories’, (20 otoliths
application/pdf attached to:WEAPT-01
Meeting Report : WEAPT-01
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New Zealand: Review documents for the Antarctic toothfish stock assessment for the Ross Sea region (Subarea 88.1 and SSRUs 88.2A and B)
Science 20: 73-80. Mormede, S.; Dunn, A. (2014). A proposed process for the management of model updates ... , two additional years of data Tagging data from NZ vessels only, 2007 maturity ogive 2011 Update ... tag detection rates, update data weighting, two additional years of data Logistic selectivity in the ... , Australia, CCAMLR. WG-SAM-14/30: 6 p. Mormede, S. (2017a). Assessment models for Antarctic toothfish ...
Document : Site Section: Meetings
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e-sc-xxvi-a9.pdf
... -conveners, Drs P. Penhale and S. Grant.) 590 CONTENTS Page INTRODUCTION ... Brussels, Belgium, from 13 to 17 August 2007. It was co-convened by Drs P. Penhale (USA) and S. Grant (UK ... Committee (SC-CAMLR-XXIV, paragraph 3.66) (Appendix A). The Workshop itself was organised around two ... -conveners, Drs P. Penhale and S. Grant. 592 by WWF-Australia and ACE CRC (2006 Hobart Workshop) (Grant
application/pdf attached to:WS-BSO-07
Meeting Report : WS-BSO-07
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Draft updated data collection plan for the Ross Sea toothfish fishery
Article II of CCAMLR can be summarised as: the target fished population is above a level which ensures ... ecosystem which are not potentially reversible over two or three decades, with the aim of making possible ... research objectives for the Ross Sea fishery for the next 5–7 years were developed in 2014. These medium ... (such as GRV and SRX) when recording biological data for bycatch species. Author(s): S.M. Hanchet, S.J ...
Meeting Document : WG-FSA-15/40 : Автор(ы): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years. The ... small size classes, one year old juvenile krill was found. Krill density was significantly higher than ... during the past years (between 198 and 230 krill 1000 m-3, i.e. between 40 and 46 m-2 or 11.3 g m-2). The ... high krill abundance and the high recruitment index reflect the end of a succession of years with poor ...
Meeting Document : WG-EMM-01/10 : Автор(ы): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
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