Résultats de la recherche
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e-sc-xv-a4-appI.pdf
... expanded memory. It was agreed that, with this addition, the standard method be adopted. 15. At its ... recommended that diet samples collected in accordance with Method A8 should also be separately analysed by ... for each sample. The subgroup felt that the best way of dealing with the issue would be to convene a ... that observations carried out in accordance with Procedure A might also be also used to collect
application/pdf attached to:WG-EMM-Methods-96
Meeting Report : WG-EMM-Methods-96
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
in 2003. It is suggested in this paper that the ability of penguins to cope with severe short-term ... (Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... extensive and persistent sea-ice and strong winds with snowfalls in December. First incubation trips by ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... in this paper that the ability of penguins to cope with severe short-term weather events could be ... various localities with differing sea-ice regimes reveals that this species has developed the capacity ... 2001 (Table 1). Breeding success varied between seasons, with 2003 values well below those recorded ... 1999 2001 2003 Clutch size 1.9 1.8 1.9 (number of eggs laid/nests with eggs) (216/112) (225/123 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas
temperature suggest that krill associate with different habitats over the course of their life cycle. From the ... krill densities can be high. To address these questions, we compiled larval krill density records and ... distribution of eggs, nauplii and metanauplii indicates that spawning is most intense over the shelf and shelf ... slope. This contrasts with the distributions of calyptope and furcilia larvae, which were concentrated ...
Meeting Document : WG-EMM-2019/20 : Auteur(s): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
fishery by having fewer catch limits. This appeared to be moderately successful, with only one catch limit ... the second highest on record with a total of 3431 t against a combined catch limit of 3579 t. The ... Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ...
Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
methods that could be used to fill these. File: Ratcliffe-Trathan.pdf ... in an ecologically sensitive manner demands that catches do not depress stocks within the foraging ... areas used by predators to levels that reduce their reproductive success or survival. Spatially–explicit ... bioenergetics models that estimate the amount of prey consumed by predators are required to inform such policy ... understanding of the uncertainties that may be associated with these. Those readers wishing to extract large ... samples. A problem with this method is that fatty acids can be metabolised at different rates depending ... ., 2010). Birds that are underwater can be accounted for by combining distance sampling with mark ... digested that numbers and mass could not be determined. Nototheniidae (notably T. eulepidotus and P. ant ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Auteur(s): Ratcliffe, N. and P. Trathan
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e-cc-xviii.pdf
... opening this agenda item, the Chairman noted that this would be a particularly important meeting, with ... requirements and the necessity for them to be complied with as early as possible. 3.9 Sweden noted that the ... for 2001 that is based on a nominal zero growth.’ 3.22 The Commission agreed with this condition for ... Commission considered the possible savings that could be generated if the WG-EMM meeting in 2001 was to be
application/pdf attached to:CCAMLR-XVIII
Meeting Report : CCAMLR-XVIII
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
Abstract: Standardization of fishing effort on the basis of the generalized linear models with ... mixed effect (GLMM) allows to the authors to analyze the specific character of the spatial distribution ... analyzed. It was revealed that dynamics of the most important fishery index- standardized abundance index ... estimates evidence that inter-annual variability of standardized abundance index of krill obtained from ...
Meeting Document : WG-EMM-10/17 : Auteur(s): P.S. Gasyukov and S.M. Kasatkina (Russia)
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Evaluation of the effects of illegal, unregulated and unreported (IUU) fishing on the legal catch of fisheries for Dissostichus eleginoides
, Dissostichus eleginoides, that can be sustained over the generation time of the species, maintaining the ... of the legal catch limits does not seem to be commensurate with the rising levels of IUU catches ... needs to be reduced following each year that the total catch is above the sustainable levels. The ... above the target status of abundance. A longterm sustainable fishery requires that IUU fishing be at ...
Meeting Document : WG-FSA-02/69 : Auteur(s): A.J. Constable (Australia)
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e-sc-xxiii.pdf
... that descriptions of mitigation measures be submitted to ad hoc WG-IMAF as a matter of priority, and ... that once advice had been developed it would expect to recommend that mitigation measures be deployed ... participants considered that a high level of observation would be required to acquire the information ... on board fishing vessels could be valuable in describing distribution patterns. Members with an
application/pdf attached to:SC-CAMLR-XXIII
Meeting Report : SC-CAMLR-XXIII
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
difficulties encountered in managing fisheries which exploit mixed-species assemblages, there appears to be ... from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii, Gobionotothen ... closure of the area in November/December 1996 suggested that the biomass of the standing stock of finfish ... managing fisheries which exploit mixed-species assemblages, there appears to be little prospect at present ... species should therefore be viewed with considerable caution. The stock was unfished in 1976 when dense ... increased again in the mid-1980s. Biomass estimates, which should be regarded with caution, however, were ... . However, we cannot exclude that with the arrival of a new fishing officer in the early 1990s changes in ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Auteur(s): Kock, K.-H