Résultats de la recherche
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Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
years when pack ice was sparse. Foraging trip duration differed by colony, season and year and was ... colony, seasons and year. Diet differed among colonies only slightly. The fish Pleuragramma antarcticum ... present. With respect to krill, which composed the remainder of diet, juvenile Euphausia crystallorophias ... were consumed predominantly in a year of heavy pack-ice cover; more adult krill were consumed in two ...
Meeting Document : WG-EMM-98/15 : Auteur(s): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
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Liste officielle des mesures de conservation en vigueur saison 2004/05
Statistical Subarea 48.3 in the 2004/05 season 48.3 Champsocephalus gunnari (3 574 tonnes, with a limit of ... CEMP site To be reviewed every five years in accordance with Conservation Measure 91-01 (last review ... schedule lists conservation measures adopted by the Commission in accordance with Article IX of the ... category; the year in which the latest version of the measure was adopted or revised follows in brackets ...
Document : Site Section: Publications
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CCAMLR ecosystem monitoring and management: future work
managing fisheries with the maintenance of ecological relationships included in the conservation objectives ... for dealing with uncertainty. This paper reviews progress in developing ecosystem-based management ... scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ... 40 50 60 Year 0 1 2 3 (a) (b) (c) Figure 2: Potential effects of fi shing on krill density ... its ecosystem approach to managing fi sheries with the maintenance of ecological relationships ... agreed objectives, and (iv) methods for dealing with uncertainty. This paper reviews progress in ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Auteur(s): Constable, A.J
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e-sc-iv-a4.pdf
... selectivity. Second, trends in year-class strength are confounded with mortality rates. Strong year-classes ... ) STATLANT CATCH REPORTS COUNTRY SPLIT YEAR FORM 8A1 FORM 8B2 USSR 71–78 Area Only No 79 Area Only ... –XII 11,800 2,738 2,738 2,738 1972 I–VI NIL NIL VII–XII NIL 5. For many of the earlier years ... presentations from FRG on the results of research vessel surveys in early 1985 (Documents 3 and 4), France
application/pdf attached to:WG-FSA-85
Meeting Report : WG-FSA-85
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Beyond MSY: a consideration of definitions of management objectives
Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... recruitment or growth overfishing. Account also needs to be taken of the uncertainties associated with any ... reasonably precisely. In the conditions of the north Atlantic in the early 1970s, with consensus being ... that, with due reservations for the temporary effects of the occasional very large year-class, the ... nominal effort each year, based on the values of F and fishing effort in the most recent years. Since ... Convention. The criteria will depend on whether the main concern is with recruitment or growth overfishing ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Subareas 88.1 and 88.2
) fishing has extended into 881K. 2012 was an unusual ice year in Subarea 88.1, with an abnormal thawing ... Antarctic continental shelf, or eastwards with the eastern Ross Sea gyre settling out along the continental ... ), these year classes are not seen in large numbers in later years in the fishery, and there was no ... the most consistently fished SSRUs. In years with favourable ice conditions (2005, 2009, 2011 ...
Document : Site Section: Publications
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By-catch of rays in the 2002/03 toothfish fishery around South Georgia
from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ... the number of rays that were likely to have died as a result of being caught on longlines using a ...
Meeting Document : WG-FSA-03/58 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
, the most numerous- fish taxon, 98% were taken between early February and the middle of March ... around South Georgia. The absence of group 3 krill (44-48 mm in length) in the South Georgia area, as ... pattern in three of the four years studied. Of the total number of the myctophid Protomyctophum choriodon ... diet studies to be conducted during the entire pup-rearing periods of several years. Author(s ...
Meeting Document : WG-EMM-95/28 : Auteur(s): Arnould, J.P.Y., Reid, K.
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
pots with a line length of 5 000 m. During the 112 sets made in the trial period, 150 pots were lost ... carapaces. A total of 177 fish (3% of catch) with a size range of 62 to 136 cm were discarded due to ... these were at maturity stage 1. Very few crabs with eggs at maturity stage 3 (eggs dead) were found. A ... with other areas in the Convention Area, still catches significant numbers of seabirds. Calculations ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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Preliminary assessment of the South Georgia toothfish stock, 2007
estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... retardation than larger fish, and that on average it is 1 year or more. 3. A new model is developed which uses ... ). Fits of all data (CPUE; catches at length for the early fishery; catches at age for the later fishery ... Abstract: 1. The catch-at-length based CASAL model for toothfish at South Georgia is updated with ...
Meeting Document : WG-FSA-07/29 : Auteur(s): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)