Resultados de la búsqueda
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
, foraging trip duration, meal mass and fledgling weights. Some years had either good breeding success with ... heavy fledglings or poor breeding success with light fledglings while others had a lack of concordance ... a season with long foraging trips during the guard period, relatively short trips during the crèche ... response parameters was much greater than was observed in the two years with concurrent krill abundance. If ...
Meeting Document : WG-EMM-12/48 : Autor(es): L. Emmerson and C. Southwell (Australia)
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Preliminary reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No. 3 in the 2011/12 and proposal of the consecutive survey in the 2012/13
safety of voyage. Shinsei Maru Trot line system with modified configurations was used as fishing gear for ... 16 hauls. Mean CPUE of Dissostichus spp. was 52.2 kg / km (CV = 107 %). This was identical with the ... mean CPUE of 51.8 kg / km in the 2010/11 survey. Total of 51 individuals of toothfish with good ... recaptured. Fish with good physical condition and single-hooked contributed 26-39 % to the total fish caught ...
Meeting Document : WG-SAM-12/15 Rev. 1 : Autor(es): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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A circumpolar pelagic regionalisation of the Southern Ocean
series of latitudinal bands in open ocean areas, consistent with the oceanic fronts. Around islands and ... results are broadly consistent with the earlier circumpolar results of Grant et al. (2006) and regional ... information. The results show a series of latitudinal bands in open ocean areas, consistent with the oceanic ... variations in depth and sea ice. The results are broadly consistent with the earlier circumpolar results of ...
Meeting Document : WS-MPA-11/06 : Autor(es): B. Raymond (Australia)
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PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA
with increased density. These zones are located within the near-shore shelf-based SSMU and associated ... with meanders and eddy favorable for krill concentration. Here, in the cold water of the Weddell Sea ... than 150 g/m2.. Properties of the zones with increased density: these zones are associated with ...
Meeting Document : WG-EMM-09/44 Rev. 1 : Autor(es): S.M. Kasatkina and V.N. Shnar (Russia)
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LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION
, associated with climate variability observed since 1990, has limited and rendered less predictable the main ... . Changes occur now with a frequency higher than the mean female fur seal generation time, and therefore are ... cope with short-term changes in order to maximize individual fitness. With more frequent extreme ... Antarctic birds and mammals are likely to increase, particularly at regional scales. In species with less ...
Meeting Document : WG-EMM-08/P05 : Autor(es): J. Forcada, P.N. Trathan and E.J. Murphy
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Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters
, with the proportion of polymorphic loci, P = 0.175, mean heterozygosities per locus, HL = 0.058, and ... expectations, with significant deviations due exclusively to heterozygote deficiencies. Genetic differentiation ... % of the total gene diversity was due to the within-population component, with progressively higher ... between population values with increasing geographic separation. Samples from Heard Island were most ...
Meeting Document : WG-FSA-91/22 : Autor(es): G.R. Carvalho and M. Warren (United Kingdom)
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Analysis of variables influencing finfish by-catch in the krill fishery in Area 48
(lanternfish) and Channichthyidae (icefish) with lower levels of Nototheniidae present. The influence of ... associated with the presence of finfish bycatch in the Saga Sea krill fishery for at least one family and ... Subarea specific model, however, the majority of variables were not significantly correlated with the ... abundance of finfish bycatch. This may be partly due to the low numbers of hauls with positive incidences of ...
Meeting Document : WG-EMM-12/28 : Autor(es): S.M. Martin, T. Peatman, J. Moir Clark (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
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Seabird by-catch update on industrial Patagonian toothfish fishery in southern Chile
with presumption of occurring seabird incidental mortality. Chile took this responsibility in 2001 and ... southern Chile, a fishery and zone with high probabilities of having significant levels of incidental ... temporal pattern, with very high values from September to December (0.37 to 1.28 birds/1,000 hooks). Main ... Chile, which is being developed during 2004 with the close collaboration of all industrial fishery ...
Meeting Document : WG-FSA-04/13 : Autor(es): J. Arata, C.A. Moreno and R. Hucke-Gaete (Chile)
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Annual report of global toothfish trade data
the forms with mean unit values of 22.30 US$/kg for imports and 18.85 US$/kg for exports. The data ... importer, with 32.30% of global imports. Chile was estimated to be the largest exporter, with 15.26% of ... between global trade data and the CDS found that they are similar with a-2.29% difference in imports and ...
Meeting Document : CCAMLR-XXXVII/BG/08 Rev. 1 : Autor(es): CCAMLR Secretariat
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Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set
Kidd Midwater Trawl fitted with 505um mesh nets. Data obtained from these surveys were compared to ... and other common zooplankton taxa. Comparisons were also made with data obtained during 1992-2000 AMLR ... Elephant Island data set prolonged salp budding periods with pulses of late-season aggregate production ... preceded years with enhanced salp population size while curtailed budding periods preceded years with ...
Meeting Document : WG-EMM-01/45 : Autor(es): V. Loeb (USA)