Search results
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Krill Fishery Report 2017
during the 2018/19 and 2019/20 fishing seasons; and 100% coverage in subsequent fishing seasons. 13 ... limit for krill of 5.61 million tonnes per season (1 December to 30 November of the following year ... of the spawning biomass dropping below 20% of its median pre-exploitation level over a 20-year harvesting period ... is 10%. 2. Choose a yield, γ2, so that the median escapement at the end of a 20-year period is 75 ...
Document : Site Section: Publications
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Status of krill target strength
on aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... there is an empirical basis. The theoretical estimates show a non-monotonic dependence of target strength on both animal ... size and transmit frequency, notwithstanding admitted shortcomings. Some recent single-animal ... of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target strength ... at 30 and 20 kHz. Measurements at 30 kHz were performed near Bouvet Island in December 1979 on krill ... of this ! 108 article, a reasonable fixed value of radius of curvature for the animals is used. In order ... of target strength in the article involve aggregations of animals, it is useful to compare the results ... to thresholding effects discussed earlier in this article and differences in animal type), the structure ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Author(s): Foote, K.G., D. Chu and T.K. Stanton
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WG-FSA-18
, 8 October 2018 to Friday, 19 October 2018 Chair / Convener: Dr Dirk Welsford (Australia) Support: Dr Keith ... Reid Submissions Due: Monday, 24 September 2018 Meeting documents Doc Number Title CCAMLR-XXXVII/12 ... IUU fishing activity and trends in 2017/18 and IUU Vessel Lists CCAMLR Secretariat SC-CAMLR-XXXVI/20 ... for the Development of a Dissostichus mawsoni Population Hypothesis for Area 48 (19 to 21 February 2018, Berlin ...
Meeting
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e-sc-xiv-a5.pdf
... surveys have been undertaken on the shelf in Subarea 48.3 during the last 20 years. These surveys were ... in processing haul-by-haul data from the D. eleginoides fishery this year. These difficulties were primarily ... of standardised catch per unit effort (CPUE) to be performed across fleets and years (Appendix E, paragraphs 3.5 ... Eighteen scientific observer reports were available to the Working Group this year (WG-FSA- 95/4 Rev. 1, 95 ... this year. These difficulties were primarily the result of the submission of data in unconventional ... made in some years was quite low. Submission of all haul-by-haul catch, effort and biological data ... ‘Manual on Recommended Methodology of Selectivity Experiments’ which would be finalised later in the year ... immature to spawning in female fish takes about one year for Champsocephalus gunnari and
application/pdf attached to:WG-FSA-95Meeting Report : WG-FSA-95
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e-sc-xxvii-a6.pdf
... welcomed to the meeting Mr J. Moir Clark (UK), Ms F. Graham (France) and Ms K. O’Regan (Australia) who ... coordinators who provided invaluable experience to the Working Group as it addressed numerous observer-related ... activities in, or adjacent to, the Convention Area who have not recently participated in ad hoc WG-IMAF ... engaged in fishing activities in, or adjacent to, the Convention Area who have not recently participated ... fishing activities in, or adjacent to, the Convention Area who have not recently participated in ad hoc ... coordinators and Members engaged in fishing activities in, or adjacent to, the Convention Area who have not ... Group noted that this is the third consecutive year that no albatrosses were observed captured in ... longline fisheries in the Convention Area and the second consecutive year that the only incidental
application/pdf attached to:WG-IMAF-08Meeting Report : WG-IMAF-08
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Schedule of Conservation Measures in Force 2008/09
by the Commission in accordance with Article IX of the Convention on the Conservation of Antarctic Marine Living ... the measure within that category; the year in which the latest version of the measure was adopted or revised ... of Conservation Measures Adopted Each Year..................................(xxxviii) CONSERVATION MEASURE 10 ... ) ................ 29 Dissostichus Re-export Document (from 1 June 2009) ........... 30 Annex 10-05 ...
Document : Site Section: Publications
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Target strengths of Antarctic krill (Euphausia superba)
kHz TS (dB} at 120 kHz Event Mean no. - no. 1 7 1 9 20 26 28 30 36 37 43 47 50 52 54 ... SC-CAMLR-VII/BG/30 TARGET STRENGTHS OF ANTARCTIC KRILL ... all measurements on the animal of interest, E. superba. The work of K0geler et al. (1987) was noted ... of the object animal by laboratory measurements of density and longitudinal sound speed, among others, 266 ... and 120 kHz in a sheltered bay at South Georgia. The results indicate that the Target Strength values ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Author(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote
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Fishery Report 2018: Dissostichus eleginoides Kerguelen Islands French EEZ (Division 58.5.1)
Description / Abstract: Fishery Report 2018: Dissostichus eleginoides Kerguelen Islands French ... Fishery Report 2018: Dissostichus eleginoides Kerguelen Islands French EEZ (Division 58.5.1) ... Fishery Report 2018: Dissostichus eleginoides Kerguelen Islands French EEZ (Division 58.5.1) ... 20 2 5 2014 5 2015 9 3 1 2016 12 7 2017 19 1 2018 13 28. Up to the end of July 2018 ... - - - - 1851 3041 4892 - 4892 303 5.8 5195 Projection 2020 3030 5050 5050 (2018 catch limit ... to this report is shaded. Throughout this report the CCAMLR fishing season is represented by the year in which ... that season ended, e.g. 2015 represents the 2014/15 CCAMLR fishing season (from 1 December 2014 to 30 ...
Document : Site Section: Publications
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Whales: Trophic modelling of the Ross Sea
trends In the work presented, we assume that long-term changes in biomass per year are small for all ... directly by examining stomach fullness of dead animals, and estimating digestion rate and the number ... be unlikely to be maintained year round. These are converted to annual feeding rates before combining ... between animal weight and daily consumption developed by Innes et al. (1987). For toothed whales ...
Document : Site Section: Publications
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e-sc-iii-a8.pdf
... , catches have been dominated by 3-year-old, 25–30 cm fish so that variability in annual caches reflects ... from 1975. These show that the fishery is based on small (ca.30cm), and young (3–4 year old fish ... would have I produced on an average, 30-40,000 tons, whereas recent year-classes, as judged ... ) A. INTRODUCTION 1. The Working Group met under the Chairmanship of Dr R. Hennemuth (USA) on 6 and 7 September ... , catches have been dominated by 3-year-old, 25–30 cm fish so that variability in annual caches reflects ... average, 30-40,000 tons, whereas recent year-classes, as judged by the decline in stock arising from ... series of c.p.u.e. values in different years for the same small area and time division in each year, in ... , vary considerably from year to year, but, with reservations due to changes in target species, suggest
application/pdf attached to:WG-FSA-84Meeting Report : WG-FSA-84