Search results
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
no relation with sea-ice variation. Four years of data is apparently not enough to sustain all hipotheses ... is surprisingly not followed by females, which appear to have no relation with sea-ice variation. Four years ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Author(s): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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Seabird mortality on longlines in Australian waters: a case study of progress and policy
of seabirds each year, and is now acknowledged as representing the most pervasive threat to seabirds ... bycatch in the Southern Oceans is best known for the Australian and New Zealand regions. The 10 year ... by Japanese longliners over 10 years show an apparent fall from the 1988 bycatch figure of 0.4 birds/1000 ... rates equate to between 1000 to 3500 birds being killed year. Although the initial fall in bycatch rate ...
Meeting Document : WG-FSA-98/29 : Author(s): R. Gales, N. Brothers, T. Reid, D. Pemberton and G.B. Baker (Australia)
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Subarea 48.6
................................................................ 9 Throughout this report the CCAMLR fishing season is represented by the year in which that season ended, e.g ... , and no more than one vessel per country was permitted to fish at any one time. The precautionary catch limit ... data. The number of hauls (N) and the number of fish measured (n) in each year are given at the top ... to this fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and subject ...
Document : Site Section: Publications
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Chinstrap penguins alter foraging and diving behaviour in response to krill size
have fluctuated in recent years. We therefore examined the diet of chinstrap penguins at Livingston ... on fish, mean nighttime dive depths, and the proportion of foraging trips occurring overnight. Based ... fluctuated in recent years. We therefore examined the diet of chinstrap penguins at Livingston Island, South ... dive depths, and the proportion of foraging trips occurring overnight. Based on these patterns, we ...
Meeting Document : WG-EMM-07/11 : Author(s): A.K. Miller and W.Z. Trivelpiece (USA)
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
been no change in the diet of large (> 100 cm TL) D. mawsoni between the two years. It is planned ... to carry out a more rigorous analysis of these data in the coming year. Author(s): D.W. Stevens, J. Forman ... suggested there had been no change in the diet of large (> 100 cm TL) D. mawsoni between the two years ... . It is planned to carry out a more rigorous analysis of these data in the coming year. ...
Meeting Document : WG-FSA-10/22 : Author(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)
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Krill population biology during the 1991 Chilean Antarctic krill fishery
males et de femelles dIE. superba de la zone A. Distribution de frequences de tailles du total des ... tailles de juveniles, de males et de femelles dIE. superba de la zone B. Distribution de frequences de ... B. Distribution de frequences de tailles dIE. superba de jour, en periode de demi- jour et de nuit. Sex ratio ... dIE. superba pendant les trois periodes. Capture totale (tonnes/mille) dans les deux zones pendant ... size from 1.5 to 3 cm). Two subsamples of 100 specimens each were taken from 50 samples and analysed ... and 55 mm TL, with a mean TL of 45 mm for females and 48 mm for males. A very weak mode for juvenile ... % juveniles. Of the females sampled, 25.2% bore spermatophores. Although the smallest specimen found with a ... spermatophore had a 36.5 mm TL, 80% of the females with spermatophores had a TL larger than 45 mm. In Area B, a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Author(s): Mujica R., A., E. Acuña S. and A. Rivera O.
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
groundfish surveys and CCAMLR observer trips. This includes about 900 that have been injected with either ... pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were tagged ... tags have been recovered from a high seas area on the Patagonian Shelf at 42°S after about one year ... . Approximately 2 260 toothfish have been tagged and released during groundfish surveys and CCAMLR observer trips ... groundfi sh surveys and CCAMLR observer trips. This includes about 900 that have been injected ... and released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic tagging carried out ... fi shing vessels by other observers in this year (Figure 1). One vessel that left the South ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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e-sc-xxviii-a8.pdf
... (New Zealand) and Dr J. Watkins (UK) and was held at the Dipartimento di Scienze del Mare (DISMAR ... in 2008 during the International Polar Year (IPY). 8. Krill were identified from the relative frequency ... biomass. WG-EMM-08/56 reported high variability in g and h between regions and times of the year which ... of g and h in different regions and times of year, their potential covariance (Figure 3 in WG-EMM-08/56 ... and times of year, their potential covariance (Figure 3 in WG-EMM-08/56), and the importance of these ... . 39. With regard to sampling and calibration uncertainty (Table 1, points 3 and 4), the Subgroup ... .............................................................. 481 Uncertainty associated with parameter values used in the present protocol........ 481 New
application/pdf attached to:SG-ASAM-09
Meeting Report : SG-ASAM-09
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
considered that only recaptures for 1 year at liberty is effective to estimate the precautionary biomass ... numbers of recaptures in the next three years using present catch limit and precautionary exploit rate ... that only recaptures for 1 year at liberty is effective to estimate the precautionary biomass for D. mawsoni ... in the next three years using present catch limit and precautionary exploit rate of 4 % based on Chapman ...
Meeting Document : WG-SAM-16/07 : Author(s): Delegations of Japan and South Africa
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Trends of the Dissostichus eleginoides stock using the sequential population analysis (SPA) model in Subarea 48.3: 1992-1996
the last year (1996) in relation to the previous ones. This result supports the idea that the use ... of the stochastic projections adopted by consensus last year, has produced an appropriate and promising assessment ... and Spawning Biomass showed a stabilization during the last year (1996) in relation to the previous ones ... . This result supports the idea that the use of the stochastic projections adopted by consensus last year, has ...
Meeting Document : SC-CAMLR-XV/BG/14 : Author(s): Delegation of Chile