Resultados de la búsqueda
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Estimating penguin populations using image analysis of colour aerial photography
colonies on Bird Island, South Georgia. We compare the results with conventional ground counts for the ... surveys may provide the most robust method for estimating breeding population size, particularly for large ... colonies, for colonies in areas of complex terrain, or for colonies where ground access is difficult ... carried out manually by counting individual birds on highly magnified prints. Here we present the results ...
Meeting Document : WG-EMM-02/34 Text : Autor(es): P.N. Trathan (United Kingdom)
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Bias in acoustic biomass estimates of Euphausia superba Dana to diel vertical migration
sonar and independent of the time of day. To demonstrate and quantify these negative biases on both the ... estimates of biomass distribution and abundance, a time-depth-density analysis was performed. Data for this ... covered a 105 by 105 n.mile study area centered on Elephant Island; the second and third surveys covered a ... centered on a large krill swarm to the west of Seal Island. Average krill volume densities were calculated ...
Meeting Document : WG-KRILL-93/48 : Autor(es): D.A. Demer and R.P. Hewitt (USA)
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Reconciling fisheries with conservation: three examples from the Southern Ocean
for the Conservation of Antarctic Marine Living Resources (CCAMLR) endeavors to manage the harvests of ... CCAMLR with regard to fisheries on Antarctic krill (Euphausia superba), mackerel icefish ... a unique set of circumstances and unresolved concerns. While the current fishery for krill is small ... of climatic cycles and trends on krill production. Management of the fishery on mackerel icefish ...
Meeting Document : WG-EMM-04/48 : Autor(es): R.P. Hewitt (USA), I. Everson (United Kingdom) and C.D. Jones (USA)
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Conservation Measure Conservation Measure 162/XVII (1998)
New Longline Fishery for Dissostichus eleginoides and Dissostichus mawsoni in Statistical Subarea ... (Annex 161/A) shall be implemented. Data collected pursuant to the plan for the period up to 31 August ... 1999 shall be reported to CCAMLR by 30 September 1999 so that the data will be available to the 1999 ... meeting of the Working Group on Fish Stock Assessment. Such data taken after 31 August shall be reported ... to CCAMLR not later than three months after the closure of the fishery. 1 Except for waters adjacent ...
Conservation Measure : 162/XVII (1998)
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Formularios de datos y plantilla de informe de campaña para las pesquerías de palangre
CCAMLR Scheme of International Scientific Observation (SISO) on board fishing vessels. The logbook for ... longline fisheries is used for recording information on gear type, vessel activity, incidental mortality of ... complete a cruise report for their trip, detailing inter alia the type of scientific observations ... contains the logbook form, instructions for its completion and the longline cruise report. The logbook and ...
Form
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Conservation Measure Conservation Measure 23-04 (2000)
Monthly Fine-Scale Catch and Effort Data Reporting System for Trawl, Longline and Pot Fisheries ... Limitations: Except for waters adjacent to the Kerguelen and Crozet Islands Except for waters adjacent to the ... Monthly Fine-Scale Catch and Effort Data Reporting System for Trawl, Longline and Pot Fisheries ... Secretary shall issue a reminder to the Contracting Party. If at the end of a further two months those ... as required. 1 Except for waters adjacent to the Kerguelen and Crozet Islands 2 Except for ...
Conservation Measure : 23-04 (2000)
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Conservation Measure Conservation Measure 122/XVI (1997)
Monthly Fine-Scale Catch and Effort Data Reporting System for Trawl and Longline Fisheries ... Limitations: Except for waters adjacent to the Kerguelen and Crozet Islands. Except for waters adjacent to ... Monthly Fine-Scale Catch and Effort Data Reporting System for Trawl and Longline Fisheries The ... the end of a further two months those data have still not been provided, the Executive Secretary ... which has failed to supply the data as required. 1 Except for waters adjacent to the Kerguelen and ... Crozet Islands. 2 Except for waters adjacent to the Prince Edward Islands. ...
Conservation Measure : 122/XVI (1997)
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The US commercial krill fishery in Area 48: development, fishing patterns, and decision making
year since the initial fishing trials. This paper presents information on the development, yields, and ... for krill (Euphausia superba) in Area 48 in July, 2000. This fishery has continued and expanded each ... Ocean had no prior experience fishing for krill, anecdotal and historical information served as the ... initial basis for decision making. Initial fishing trials in 2000 were conducted in Bransfield Strait and ...
Meeting Document : WG-EMM-02/18 : Autor(es): C.D. Jones and M. Hull (USA)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015 - Part B: Description of available spatial data
justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... MPAs and provides the background information on the Weddell Sea MPA (WSMPA) planning area; SC-CAMLR ... -XXXIV/BG/16 (Part B) informs on the data retrieval process and SC-CAMLR-XXXIV/BG/17 (Part C) describes ... areas for a Weddell Sea MPA. Here, the delegation of Germany intends to update the Scientific Committee ...
Meeting Document : SC-CAMLR-XXXIV/BG/16 : Autor(es): Delegation of Germany
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Progress towards validation of ageing of Dissostichus eleginoides using otoliths
Abstract: During tagging programmes for Dissostichus eleginoides at Heard and Macquarie Islands ... , fish have been treated with strontium to mark their otoliths for validation of subsequent age ... estimation. Otoliths from 69 fish that were at liberty for at least 350 days were eventually examined ... . Results indicate that current methods for ageing D. eleginoides are appropriate: the number of observed ...
Meeting Document : WG-FSA-04/67 : Autor(es): K. Krusic-Goluband R. Williams (Australia)