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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
required by the conservation measure (6 kg at 20 m intervals) was derived from a study of bird strikes in ... which has participated in the longline fishery around South Georgia for the past several years, and ... petrel T = Treatment Set No. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 22 23 ... PRO 32 34 47 18 45 50 45 30 47 21 42 29 42 70 39 48 42 3 8 40 10 9 4 45 7 47 17 14 3 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Автор(ы): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Toothfish, Dissostichus eleginoides, at South Georgia
Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has been claimed ... Georgia has expanded greatly in recent years. It has been claimed that the exploited fish are senescent ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Автор(ы): Everson, I. and S. Campbell
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
be about five times their body weight. File: 20-Pakhomov-and-Tseitlin.pdf ... -20 cm) (37% each), P. antarcticum (15 and 22% respectively) and T. eulepidotus (17 and 19%). All ... group together, we cannot say how many groups make up the catch. Figure 1 shows the weight distribution ... production of no less than 20 to 25 thousand km2, is required for a biomass of this size. If one assumes ... ) Trematomus 219 118 ±6 0.022 ± 0.001 eulepidotus (50 - 650) (0 - 0.094) Trematomus 243 380±20 0.038 ± 0.002 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Автор(ы): Pakhomov, Y.A. and V.B. Tseitlin
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
number of feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year ... teeth from Bird Island, South Georgia, was analyzed to estimate: 1) birth year of individuals, and 2 ... feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year period ... voyages ont ete les moins nombreux sur la periode de 20 ans. Sous presse dans Sahrhage, D. (ed ... viajes hechos durante todo el periodo de 20 anos. En prensa en: Sahrhage, D. (ed). Antarctic Ocean and ... 3TOM 1979 reA OKa3anCH rOAoM, KorAa 6bInO cAenaHo HaWMeHbwee KOnWqeCTBO BhlxoAoB 3a BeCb 20-neTHwfI ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Автор(ы): Bengtson, J.L.
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Integration of CPUE data into assessments using the Generalised Yield Model
/ Description: For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... year Y is the latest year for which we have data from the fishery, and simulation years Y+l to Y+P ... three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has accorded high priority to ... Model, importance sampling, stock assessment, CCAMLR INTRODUCTION For several years CCAMLR's Working ... most recent years, and that the trend in biomass predicted by the GYM had shown a smaller decline ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... density over the 13-year period were 1 703 x 103 tonnes and 53.2 g/ 2. File: 01hewitt-demer.pdf ... vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... surveys (30 mm and 41 mm). Klindt's biomass estimate for the 1985 survey may be adjusted by a factor ... /m2. Average biomass and average density over the 13-year period were 1 703 X 103 tonnes and 53.2 g ... -year period was l 703 X 10"onnes and 53.2 g/m2. The lowest estimate of average biomass density was ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Автор(ы): Hewitt, R.P. and D.A. Demer
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Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)
from year to year and highly dependent on the harvestable resources of Champsocephalus gunnari. Vital ... les plus frequemment observes dans les captures au chalut (30-60 a 50-100 cm) appartiennent aux ... Kerguelen Islands. J.lchthyoZ. 30 (8): 122-125. DUHAMEL, G. 1981. Caracteristiques biologiques des ... ) obtenus depuis la creation d'une ZEE. Annee australe Nombre Nombre Capture Rendement (1 July - 30 June ... ................................. " .................. . 20 40 60 80 Lt (2crIl interval) 250 - 350 m -+- 350 - 450 m n=235 n=1069 100 120 -*- 450m ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Автор(ы): Duhamel, G.
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
Pilling et al. predation, a major problem in certain areas, (2000b), which brings together the result of ... . A drawstring held the bottom mesh together in the middle. This allowed pots to be emptied easily ... 625 Number 435 20 193 Table 6: T h e number and ercentage o f female Pnvalonlis foriiiosn, P ... possibility of retaining legal-sized crab by-catch and fishing at all times of the year. This is possible ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Автор(ы): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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Mitigation of seabird captures during hauling in CCAMLR longline fisheries
/ Description: In recent years there has been an increased focus on reducing seabird captures that occur during ... MRAG Ltd 18 Queen Street, London W1J 5PN United Kingdom Abstract In recent years there has been an ... Type I BEDs caught 43 seabirds, on the haul, while the 20 vessels using Type II BEDs caught 28 ... BEDs have been used in fisheries in Division 58.5.2 over the period of three years. Discussion ... Method Type III Method 2005 20 2 (1) Sp 4 (19) 3 Sp; 1 A 2006 21 3 (14) Sp 6 (7) 2 Sp; 4 A 2007 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Автор(ы): Reid, E., B. Sullivan and J. Clark
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Status of the FIBEX acoustic data from the West Atlantic
about the parameters and constants used during the data collection. As it is now more than 12 years ... since the FIBEX data were collected and more than nine years since the Post-FIBEX Acoustic Workshop ... -92/20 was updated before publication in Selected Scientific Papers, 1992 (SC-CAMLR-SSPI9) (Trathan ... which have been the focus of commercial fishing activity in recent years (Everson and Goss, 1991 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Автор(ы): Trathan, P.N. and I. Everson
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