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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm ... whales have been more frequently encountered in recent years, occurring in larger pod sizes, whereas ... South Georgia Li ne s S P W o bs er ve d (% ) 100 90 80 70 60 50 40 30 20 10 0 May ... June July August West East Li ne s K IW o bs er ve d (% ) 100 90 80 70 ... in s et s w ith ou t a ny c et ac ea n pr es en ce 0% 20% 40% 60% 80% 100% 2002 ... °S 36.5°W); (b) the five fine-scale rectangles with the highest CPUE in any one year. The results ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Autor(es): Moir Clark, J. and D.J. Agnew
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Schedule of Conservation Measures in Force 1992/93
Procedure 1. The inspector shall measure one series of 20 meshes, selected in accordance with Article 3 ... mesh size does not appear to comply with the rules in force, then two additional series of 20 meshes ... a weight or dynamometer, one series of 20 meshes only shall be measured. CONSERVATION ... raised plateau at about 80 m, and precipitous cliffs on most coastlines. There is a raised, sandy beach ...
Document : Site Section: Publications
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Scientific Abstracts 2005
and Management). Unpublished papers must not be cited without written permission of the author(s ... (80% of winter and 50% of summer observations). Of the entanglements where the animal could be ... of three years from the winter records and two years from the summer. These findings highlight the ... fishing net. In one case the entangling material had become attached to a rock and the animal was ... from a single ship and will consist of 11 parallel transects between 30° and 80°E. The survey design ...
Document : Site Section: Publications
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e-sc-xvii-a4-appD.pdf
... March, Figure 20). Years 1991/92, 1992/93 and 1997/98 were below, and 1989/90 and 1994/95 were above ... properties of the water column annually in the Elephant Island region of Subarea 48.1. Each year, two 30-day ... of the 1+ year class (R1) was low in spawning years 1988/89, 1989/90, 1991/92 and 1993/94 (Figure 13 ... for CCAMLR split-years which run from 1 July to 30 June. The following convention was adopted
application/pdf attached to:WS-AREA 48-98
Meeting Report : WS-AREA 48-98
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e-cc-38.pdf
... toothfish trade data be undertaken every two years (SCIC-2019 report, paragraphs 14 to 20). 3.6 The ... Brazil was more than two years in arrears in respect of its budgetary contributions to the organisation ... SCIC and the CDS Fund Review Panel for expenditure from the CDS Fund in 2020 to fund two Secretariat ... detect and prevent IUU fishing. 3.43 COLTO expressed disappointment that for two years, CCAMLR has
application/pdf attached to:CCAMLR-38
Meeting Report : CCAMLR-38
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Texto del Sistema de Observación Científica Internacional de la CCRVMA
effectiveness and the need to continue this activity after a two-year trial period (CCAMLR-XVII, paragraph 8.17 ... observers referred to in Article XXIV of the Convention. (a) The Commission will specify activities of ... Commission through the Designating Member, not later than one month after the completion of the observer trip ... scientific observer’s report shall be in one of the Commission’s official languages, as agreed upon in the ...
Document : Site Section: Publications
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Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
years of age and can live to at least 27 years, whereas M. caml reaches full size at about 15–20 years ... , *) 1.1 (90, -) San Aotea II 1.1 (79, *) 1.1 (88, *) 3.8 (87, *) 1.8 (80, *) 1.8 (88, *) 1.7 (86 ... 1.0 (69, -) 1.0 (69, *) 1.0 (69, -) 1.0 (90, *) 1.0 (77, -) 1.1 (80, *) 1.1 (90, -) 1.1 (70 ... , *) 1.1 (78, *) 1.1 (80, -) 1.1 (92, -) 1.2 (84, -) 1.1 (90, -) Ukraine Marigolds 1.0 ...
Document : Site Section: Publications
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season
reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... injuries accounted for 35% of entanglements over winter and 23% during the summer. As in previous years ... , most individuals observed entangled in debris were juveniles (80% of winter and 68% of summer ... observations). Of those entanglements where the animal could be sexed, males dominated the observations, with ...
Meeting Document : SC-CAMLR-XX/BG/03 : Autor(es): Delegation of the United Kingdom
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
allows simulation of releases by box over multiple years. The model performed as expected with test ... was concentrated away from tag concentrations, or overly concentrated in them, the Petersen estimator ... 10 20 30 40 50 60 70 80 90 0 50000 100000 150000 200000 250000 est. population (n) pr oj ... 40 20 0 90 80 70 60 50 40 30 20 10 0 0 50000 100000 150000 200000 250000 ... 250000 est. population (n) fis hi ng e ff or t (1 00 0 ho ok s) 0 10 20 30 40 50 60 70 ... ) fis hi ng e ff or t (1 00 0 ho ok s) 0 20 40 60 80 100 120 0 50000 100000 150000 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Autor(es): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark
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Fishery Report 2013: Dissostichus eleginoides Heard Island (Division 58.5.2)
, selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. 18 ... 2011 and abundance-at-age data were available for all these years. Tables of numbers of fish aged ... future SSB was below 20% of the pre-exploitation median spawning biomass in any one year, for each year ... , which extended from 1 December 2012 to 30 November 2013, the longline fishery was active from 20 ...
Document : Site Section: Publications