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1. Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill

   Abstract:  Quickly studied and quantified were sources of uncertainty in the CCAMLR 2000 ... acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration was ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ... distorted wave born approximation model of krill TS, fitted with measured distributions of animal lengths ...

   Meeting Document : WG-EMM-00/49 : Автор(ы): D.A. Demer (USA)

2. Preliminary results of investigations into the stock structure of Patagonian toothfish (Dissostichus eleginoides) around Macquarie Island

   degree of interchange of Dissostichus eleginoides (Patagonian Toothfish) between two sites 40 nautical ... levels appropriate for population structure analysis, and two of these gave results that suggest samples ... genetic analyses that interchange of fish between the two sites is very low. Of 469 recaptures at both ... performed on small numbers of fish and loci these results must be regarded as preliminary, but if confirmed ...

   Meeting Document : WG-FSA-98/39 : Автор(ы): A. Reilly, B. Ward and R. Williams (Australia)

3. STANDING STOCK, SPATIAL DISTRIBUTION, AND BIOLOGICAL FEATURES OF DEMERSAL FINFISH FROM THE 2009 U.S. AMLR BOTTOM TRAWL SURVEY OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2)

   Abstract:  A random depth stratified bottom trawl survey of South Orkney Islands (CCAMLR Subarea ... season. Detailed information is presented for several of the most abundant demersal finfish species ... biomass within the 500 m isobath of South Orkney Islands. Spatial distribution of standardized finfish ... the northwest sector of the shelf area. The highest densities of demersal finfish occurred at stations ...

   Meeting Document : WG-FSA-09/19 : Автор(ы): C.D. Jones (USA) and K.-H. Kock (Germany)

4. EFFECT OF STERN-SETTING TUNNEL ON THE SINK RATE OF INTEGRATED WEIGHT LONGLINE (IWL)

   Abstract:  This paper describes a new vessel modification to allow setting of longlines via a ... rate of demersal integrated weight longline (IWL). The stern setting tunnel consists of an elongated ... line exits the baiting machine, which is positioned in the aft section of the stern setting deck, to ... the exit point at the water line on the vessel's transom. The exit point of the tube is ...

   Meeting Document : WG-FSA-08/38 : Автор(ы): I. Hay and G. Robertson (Australia)

5. INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS

   longline fishery is exposed to high levels of depredation by killer and sperm whales. In this context, this ... study (i) provides estimations of annual depredation levels on a 5-years period (2003-2008), (ii ... observed on respectively 32.6%, 18.6% and 23.4% of the 4289 lines hauled out over this period. Over this 5 ... year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ...

   Meeting Document : WG-IMAF-09/12 : Автор(ы): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)

6. PRELIMINARY ESTIMATION OF PENGUIN BREEDING ABUNDANCE AT SPATIAL-SCALES OF RELEVANCE TO CCAMLR: INCORPORATING UNCERTAINTY IN COUNT DATA

   Abstract:  One recommendation from the Predator Survey workshop was the undertaking of some ... estimation of SSMU-specific gentoo and Adélie breeding abundance in Area 48, and similar analyses of east ... for availability (e.g. nest failure) and hence would to some extent be biased estimates of the ... breeding population, and would only account for uncertainty in the accuracy of the count data. However, the ...

   Meeting Document : WG-EMM-08/53 : Автор(ы): H. Lynch, R. Naveen (USA), J. McKinlay, C. Southwell (Australia), P. Trathan (United Kingdom), W. Trivelpiece, S. Trivelpiece (USA) and D. Ramm (CCAMLR Secretariat)

7. Distribution and abundance of krill in the vicinity of Elephant Island in the 1992 austral summer

   in the vicinity of Elephant Island, Antarctica, from mid-January to mid-March, 1992. The first and ... surveys covered a 60 by 35 n.mi. area immediately north of Elephant Island. During the first survey, krill ... were distributed in a wide band extending along the north side of Elephant Island and wrapping around ... highest densities of krill were over the shelf extending to the northwest from Elephant Island and ...

   Meeting Document : WG-CEMP-92/15 : Автор(ы): R.P. Hewitt and D.A. Demer (USA)

8. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

   Abstract:  Acoustic surveys carried out in summer and autumn periods of 1987-1989 estimated the ... biomass of myctophids in the Atlantic sector of the Southern Ocean over the region between 48° and 56°S ... and from 8° to 48W at about 1.7 mill.t. Over the larger part of the surveyed area the fish were sparse ... , their dense concentrations composed predominantly of one myctophid species Electrona carlsbergi occurred ...

   Meeting Document : WG-FSA-90/19 : Автор(ы): A.A. Filin, K.V. Gorchinsky and V.M. Kiseleva (USSR)

9. Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea

   Abstract:  It was carried out the otolith reading of more than 1100 specimens of Micromesistius ... australis, caught in waters of the southern Argentine Sea during the cruises made by the ships Walther ... respectively. For the interpretation of the growth rings, the otoliths were previously subjected to the ... paraffin inclusion and cutting technique. A distribution of length frequencies for each sex was made. A ...

   Meeting Document : SC-CAMLR-V/BG/31 : Автор(ы): Delegation of Argentina

10. Preliminary assessment of Patagonian toothfish, Dissostichus eleginoides, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model

    short-term annual yield in the 2006/2007 CCAMLR season. This paper provides a preliminary assessment of ... Abstract:  A survey of Patagonian toothfish, Dissostichus eleginoides, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May-June 2006 to provide the information for an assessment of ... yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ...

    Meeting Document : WG-FSA-06/45 Rev. 1 : Автор(ы): D.C. Welsford, A.J. Constable, T. Lamb and T. Robertson (Australia)

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