Resultados de la búsqueda
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... the use of fishing vessels to collect data. Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ...
Meeting Document : WG-EMM-16/21 : Autor(es): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12
medial estimates using simple Petersen (1583 and 2751 ton) were similar to those under the two scenarios ... small numbers of recapture. The estimations using other two methods were a half to a quarter smaller ... than those using simple Petersen. The medial stock biomass estimated under the two scenarios at WG-FSA ... locations on 7.5-minute latitude x 15-minute longitude grid points except one haul which are newly allocated ...
Meeting Document : WG-FSA-11/15 Rev. 1 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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Interactions between cetaceans and fisheries in Southern Ocean
only occasionally and one whale (presumably a minke whale) died. Author(s): K.-H. Kock (Germany), M ... Southern Ocean in the second half of the 1980’s, interactions of cetaceans with these fisheries became ... apparent. The two species primarily involved were orcas (killer whales) (Orcinus orca) and male sperm ...
Meeting Document : WG-FSA-05/11 : Autor(es): K.-H. Kock (Germany), M. Purves (South Africa) and G. Duhamel (France)
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Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
. eleginoides, of which two fish were tagged and released in SSRU C during the 2007/08 and 2009/10 preliminary ... survey, respectively, were recaptured in the same SSRU. One allocated point in the northwest of SSRU C ... 7.5-minute latitude x 15-minute longitude grid points except one haul which are newly allocated in the ... , which would provide a time series of catch rate data using identical methods. Author(s): Delegation of ...
Meeting Document : WG-SAM-11/07 : Autor(es): Delegation of Japan
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The Ross Sea cephalopod community: insights from stable isotope analysis
identifications. Generally, squid clustered into two distinct isotopic groups, one with depleted isotope ... isotope signatures in only one species – the colossal squid Mesonychoteuthis hamiltoni: both isotope ... stable isotope analyses to cephalopod taxa from the Ross Sea is discussed. Author(s): D.R. Thompson ... . Size (and hence age) was an important factor in explaining variation in both beak and muscle tissue ...
Meeting Document : WG-EMM-12/55 : Autor(es): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)
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Review of activities in monitoring marine debris in the CAMLR Convention Area
Conservation Measure 26-01 requiring packaging bands to be cut up into 30 cm pieces. The amount of debris in ... main entangling materials. There was only one new hydrocarbon soiling reported from King Edward Point ... . Author(s): Secretariat Title: Review of activities in monitoring marine debris in the CAMLR Convention ...
Meeting Document : WG-IMAF-11/04 Rev. 1 : Autor(es): Secretariat
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
lowest ever (24%) and less than one-half that in 1992. Fishing net fragments and especially string and ... 1990. For the first time more animals were entangled in net fragments (35%) than in packaging bands (30 ... injury yet reported, grounds still remain for concern. Author(s): Delegation of United Kingdom Title ... ) was the lowest ever and a 70% reduction on the previous year, thereby reversing the upward trend since ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Autor(es): Delegation of United Kingdom
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Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2
completed. In years with a zero commercial catch limit, a combined bycatch and research catch limit of 30 ... Convention. Author(s): Delegation of Australia Title: Recommendation for an explicit limit reference ... limit recommended by the decision rules is below 100 tonnes in the first year after a survey has been ...
Meeting Document : WG-FSA-11/34 : Autor(es): Delegation of Australia
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THE WHITE-CHINNED PETREL (PROCELLARIA AEQUINOCTIALIS) ON SOUTH GEORGIA: POPULATION SIZE, DISTRIBUTION AND GLOBAL SIGNIFICANCE
calculating the area of suitable habitat and the density of occupied burrows within it. Just less than one ... ). This is 50% of the previous estimate, but still represents around two-thirds of the global population ... . If the population is declining due to fishery bycatch off S America, as is likely, the scale of ... hundreds of thousands. Author(s): A.R. Martin, S. Poncet, C. Barbraud, P. Fretwell and E. Foster (United ...
Meeting Document : WG-EMM-PSW-08/05 : Autor(es): A.R. Martin, S. Poncet, C. Barbraud, P. Fretwell and E. Foster (United Kingdom)
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Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13
. Predicted CPUE (catch/km) for D. eleginoides and D. mawsoni varied with years but showed no upward and ... downward tendencies with years. D. mawsoni mainly occurred in the shallower areas > 1 200 m but ... , suggesting that Banzare Bank is one of important spawning grounds for D. mawsoni. On the other hand, such an ... model for this Division by 2016/17. Author(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan) Title ...
Meeting Document : WG-FSA-12/56 : Autor(es): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)