Résultats de la recherche
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Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
; Goldsworthy et al., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey ... bird and fi sh stomachs, is to estimate the biomass of the fi sh consumed. The results from this ... reconstruct the size structure of the fi sh prey items found in the diets of marine predators. One diffi ... Conservation of Antarctic Marine Living Resources. FAO, Rome. García de la Rosa, S.B., F. Sánchez and D ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Auteur(s): Morley, S. and M. Belchier
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Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
pre-processed by New Zealand scientists to eliminate errors in the dataset. Although only ... registered to seven CCAMLR Members (Australia, Chile, Republic of Korea, Namibia, New Zealand, Spain and ... and Related Parameters. Second Edi- tion. Blackburn Press, New Jersey. 83 Status of coastal ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
, where it occurs, post-release depredation rates are a priority for new assessments that use tag ... priority for new assessments that use tag-recapture data. Due to the complexity of toothfish movements ... new mortality equa- tion. CCAMLR Science, 18: 1–27. Candy, S.G. and A.J. Constable. 2008. An integrat ... represented by the grey symbols, tagged and released fish by the black symbols and recapture effort by the ... attack. A study by Agnew et al. (2006a) found that injuries, as well as larger size and capture from ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
depredation occurs on fish in the marine environment. This is the case for killer whales (Orcinus orca) and ... the number of depredated fish using by-catch rates A second and new method was developed here to ... estimate depredation. Unlike the CPUE-based method, this new method relies on estimating the proportion ... referred to as cg individually and Cg as a whole. The implementation of a new and more rigorous by-catch ... Patagonian toothfish (white in pie charts) and grenadiers (black in pie charts) in 0.2° × 0.2° cells ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
marine mammals. We highlight the importance of evaluating in the CCAMLR Working Group on Ecosystem ... ; Bricker et al., 2000) and has been proposed as a new species (Jahans et al., 1997; Bricker et al., 2000 ... and black fur. Tags attached during the previous season identified male and female yearlings. The ... is probably found worldwide in marine mammals. We highlight the importance of evaluating in the ... genus Bulicella in wild marine mammals from the Northern Hemisphere have been recorded along the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Auteur(s): Blank, O., P. Retamal, P. Abalos and D. Torres
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Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea
circumstantial evidence support the new interpretation, but a validation study is required to determine which ... , Wellington New Zealand Email – m.francis@niwa.co.nz M.J. Gallagher Irish Sea Fisheries Board The New ... Bathyraja parmifera Bering Sea Dipturus innominatus New Zealand Zearaja nasuta New Zealand Estimated age ... albomaculata Falklands Bathyraja parmifera Bering Sea Dipturus innominatus New Zealand Zearaja nasuta New ... Zealand Figure 4: Comparison of Amblyraja georgiana growth curves with those for other skates from New ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Auteur(s): Francis, M.P. and M.J. Gallagher
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Using ecosystem monitoring data to detect impacts
, 1997). At Bird Island, South Georgia, a total of 17 biological parameters (including diet, breeding ... Antarctic fur seal pup production data from Bird Island. This data series includes a known non- fisheries ... fur seal pup production at Bird Island, South Georgia (54°00'S 38°03'W). This is a long-term ... , both pup production and population growth rate at Bird Island fell in 1991 and remain depressed. This ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
has been developed. The new index reflects the functional interaction between these two utilisers of ... calculating an index of fishery-predator interaction has been developed. The new index reflects the ... pairs in colony t of colonies (only one bird from a pair is assumed to be foraging at any one time ... period-distance calculation. Our new overlap index, on the other hand, assesses that these extra ... year, the new index shows this not to have been the case. These conclusions support those of Ichii ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
Atmospheric Research Ltd Private Bag 14 901, Kilbirnie Wellington, New Zealand Email – p.smith@niwa.co.nz ... (Hanchet et al., 2003). In the New Zealand exploratory fi shery in the Ross Sea almost 2 000 D. mawsoni ... . Acknowledgements The research was supported by the New Zealand Ministry of Fisheries and the US National Science ... Kuhn, Ami Hamilton and Lisa Komoroske for their laboratory work. Samples were supplied by New Zealand ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Auteur(s): Smith, P.J. and P.M. Gaffney
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
LONGLINE FISHERIES TARGETING ANTARCTIC TOOTHFISH D.N. Webber* New Zealand Ministry for Primary ... Industries PO Box 2526, Wellington New Zealand Email – darcy.webber@ecs.vuw.ac.nz S.J. Parker National ... Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893, Nelson New Zealand Abstract ... interpretation. We also thank members of the New Zealand Antarctic Fisheries Stock Assess- ment Working Group ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Auteur(s): Webber, D.N. and S.J. Parker