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1. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   stomachs and the feeding intensity were uncommonly low in a period when energy rich food is needed for the ... to 3 877) and an unrepresentative coverage of the shelf from year to year. However, two pairs of ... needed for the final maturation of the gonads. Resume La composition du regime alimentaire et ... years when krill is abundant it represents the staple food. Mackerel icefish then tend to aggregate in ... areas of krill concentrations. In years of low krill abundance it is replaced in the diet by the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Автор(ы): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

2. Classification of Southern Ocean krill and icefish echoes using Random Forests

   two or more echosounder frequencies. For commonly used frequencies, however, the differences for krill ... underestimated when those methods are used for target identification. Random forests are an objective means for ... Abstract:  Target identification remains a challenge for acoustic surveys of marine fauna ... are similar to those for many co-occurring fish species that do not possess swim bladders. At South ...

   Meeting Document : WG-EMM-16/23 : Автор(ы): N. Fallon, S. Fielding and P. Fernandes

3. IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX

   confidence intervals for an index of relative importance (% IRIDC) of prey categories. Diet varied ... significantly between years and age classes but there was little regional difference in diet. In general diet ... ) fish tended to prey on a higher proportion of T. gaudichaudii and small euphausids such as Thysanoessa ... dependent than 1+ fish. Younger fish appear to have survived, leading to an increase in the estimated ...

   Meeting Document : WG-FSA-08/29 : Автор(ы): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)

4. Recent trends in numbers of four species of penguins at the Prince Edward Islands

   pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ... numbers of macaroni and southern rockhopper penguins at Marion Island decreased by about 30% and 70 ... %, respectively. In 2008/09, some 290 000 pairs of macaroni penguins bred at this island, mostly in two large ...

   Meeting Document : WG-EMM-10/P01 : Автор(ы): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper

5. MODELLING ANTARCTIC KRILL: SCALE, MOVEMENT AND AGE‐STRUCTURE

   ‐year data on size compositions from net tows and total biomass from hydroacoustics or net tows are ... Abstract:  The organization, example outputs, and future objectives of an integrated, age ... 's capabilities are illustrated using 19 years of survey data collected by the U.S. AMLR Program ... available. The model estimates population parameters from data based on a joint likelihood function and is ...

   Meeting Document : WG-EMM-11/43 Rev. 1 : Автор(ы): D. Kinzey, G. Watters and C. Reiss (USA)

6. Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... ), by including tag-recapture data for 2005–06 from New Zealand vessels. The updated assessment resulted ... previous years. Model sensitivities using tag-recapture data from all vessels, revised biological ...

   Meeting Document : WG-FSA-SAM-06/11 : Автор(ы): Dunn, A. & Hanchet, S.M.

7. VME Taxa Classification Guide

   , and biologists at sea with a taxon-specific, quick, on-deck guide to aid in the classification of ... The mantle surface of any barnacle bears at least 5 major plates, which are pulled together for ... taxa and flags details on what to look out for during classification. Text in this row should be read ... level possible, retained on board, and returned frozen as biological specimens for formal ... thank the CCAMLR VME Workshop and Working Group on Fish Stock Assessment for their comments and ...

   Document : Site Section: Publications

8. Population assessment of Patagonian toothfish in Subarea 48.4

   Abstract:  This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ... Subarea 48.4. The Subarea is divided into two management regions and assessed using a CASAL assessment of ... D. eleginoides in the northern region and a simple Petersen biomass estimate derived for D ... model and to reduce the dependency on a relatively small amount of data. These changes comprise the ...

   Meeting Document : WG-FSA-12/36 : Автор(ы): R. Scott (United Kingdom)

9. BEACH DEBRIS SURVEY AT CAPE SHIRREFF, LIVINGSTON ISLAND, DURING THE ANTARCTIC SEASON 1996/97

   produced on board can be stored, with the respective compartments with the international colour for plastic ... effort to accomodate on board an specific container to store the garbage produced in order to desembark ... Abstract:  During the Antarctic season 1996/97 a beach debris survey was carried out on the ... ) were 421 articles. The total density of marine debris collected on the site has increased from 0.65 ...

   Meeting Document : CCAMLR-XVI/BG/35 : Автор(ы): Delegation of Chile

10. The CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean

    Southern Ocean”, will synthesize the CAML biogeographic results on the basis of an unprecedented amount ... Abstract:  Biogeographic information is of primary importance for monitoring biodiversity and ... biodiversity hotspots. At the end of five years of extensive biodiversity exploration and assessment by the ... ) south of 40°S. The hard copy version in large format will be extended by a dynamic online version on the ...

    Meeting Document : CCAMLR-XXX/BG/11 : Автор(ы): Submitted by SCAR

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