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1. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   at a single time each year, without substantial loss of power to detect change. Further modelling ... fledgling weights Abstract / Description:  Statistical models of variation in Adélie penguin fledgling ... variability of fledgling weights. These models assume that data are collected during a fixed CEMP five-day ... year, but there was no evidence that the rate of decline differed between years. A consequence of this ... measurement in the CCAMLR Ecosystem Monitoring Program (CEMP). At the time of development of the program ... ) The long-term estimator of average fledgling weight at the mid-point of any five-day period x is ˆˆ ... change in mean fledgling weight at time x without a change in variability, then the variances of the ... of Adélie penguins at Béchervaise Island gives a clear indication that fledgling weight decreased ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Автор(ы): Emmerson, L.M., C. Southwell and J. Clarke

2. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   (Euphausia superba) in Subareas 48.1, 48.2 and 48.3 requires a basis for the assessment of resource status ... , and an algorithm for specifying the levels of regulatory mechanisms (e.g., a catch control law) that ... depends on the results of the assessment. The development and selection of a procedure requires a basis ... for the simulation testing of procedures, and an operational definition of CCAMLR Article II to ... ("estimator") of the relative size of the krill resource at the time. The management procedure suggested thus ... consider at least some of these assumptions to be inadequate, 193 inappropriate or incorrect. Again ... size of the resource at a particular time is inferred from the ratio of CPUE at that time to a ... . * Details of the program are available on request to the author 194 3. THE REGULATORY MECHANISM ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Автор(ы): Butterworth, D.S.

3. Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)

   Notothenia rossii, a species which is at present only fishable as a by-catch. The total biomass of the stock ... / Description:  The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... Island) have made possible a review of the status of the various harvested fish stocks. Since 1984, an ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... abundance of the juvenile section of the stock of Notothenia rossii, a species which is at present only ... . RESULTS 3.1 Notothenia rossii As in South Georgia, a continued decline in catches of N. rossii at ... the main work of the Scientific Committee has been concentrated on this species up to now. At ... (at the age of 5 to 6 years) of these juveniles on the shelf. A catch limited to by-catches has ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.

4. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   Shirreff, Livingston Island, Antarctica Abstract / Description:  The first instance of anti-Brucella ... first records, this paper describes additional data on Brucella antibodies in A. gazella obtained at ... detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the c-ELISA test. These ... results present serological evidence of Brucella infection in A. gazella. We suggest the utility of extra ... Fieldwork was carried out at the Site of Special Scientific Interest (SSSI) No. 32 and CCAMLR Ecosystem ... instance of anti-Bvz~celln antibodies in the Southern Hemisphere was recorded in two pinniped species from ... A. gnzella obtained at Cape Shirreff, Livingston Island, Antarctica. Eighty-six A. gnzelln body ... Enzymoimmunoassay (c-ELISA) test and the Colnpetitive Enzymoimmunoassay 'COMPELISAO' test. At~tibodies against ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Автор(ы): Blank, O., P. Retamal, P. Abalos and D. Torres

5. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

   . Analyses of the data at the beginning of each summer season could enable us to evaluate the potential for ... 1989–1991 and 1999–2001 Abstract / Description:  Monitoring of sea-surface temperatures (SSTs) in ... further analysis of SST maps, provides continuous information on hydrological conditions in the area ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... the data at the beginning of each summer season could enable us to evaluate the potential for ... occur at the beginning of the summer fi shing season could be used for predicting krill catches for ... 2) on the SST map, which have a resolution of 2° x 2° and are centred at 54°S 41°W and 53°S 37°W ... mean monthly SST at the resolution of 1° x 1°. Temperature values were calculated with a precision ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P

6. Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica

   involves two different types of unit: the ‘harvesting unit’, which is at the scale of the metapopulation of ... the principles and approach required for developing small-scale management units to take account of ... considering the scales of management units involving the integration of local populations of harvested species ... , foraging areas of predators, fishing grounds and the potential influences of the environment, including ... ‘harvesting unit’, which is at the scale of the metapopulation of the harvested species, and the ‘predator ... diminishing density of the population at the periphery (Figure 1a). If the habitat is fragmented then the ... relatively independent of other systems or, at least, the links between the units are predictable. By ... metapopulation of the target spe- cies, e.g. Antarctic krill (E. superba) is assessed at the scale of the South ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Автор(ы): Constable, A.J. and S. Nicol

7. Krill population biology during the 1991 Chilean Antarctic krill fishery

   / Description:  Population biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 ... size from 1.5 to 3 cm). Two subsamples of 100 specimens each were taken from 50 samples and analysed ... . The fishing ground was divided into two areas: Area A, north of the South Shetland Islands; and Area B ... , north of Elephant Island. The samples were grouped by time of capture: daytime, twilight and night-time ... area approximately 40 x 40 m), which was towed at a mean velocity of 2.65 knots for 5 to 95 minutes ... , at minimum depths between 25 to 100 m determined by a netsonde device mounted on top of the net ... biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 during krill ... from 1.5 to 3 cm). Two subsamples of 100 specimens each were taken from 50 samples and analysed. The ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Автор(ы): Mujica R., A., E. Acuña S. and A. Rivera O.

8. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

   Antarctic ecosystem through international cooperation. US participation is aimed at realization of the ... program providing information needed for US policy regarding the conservation and management of the marine ... living resources in the ocean areas surrounding Antarctica. The program is in support of US participation ... in the Commission and Scientific Committee of the Convention for the Conservation of Antarctic Marine ... . participation is aimed at realization of the Convention's objective relating to the conservation of Antarctic ... MARINE LIVING RESOURCES (AMLR). A PROGRAM DEVELOPMENT PLAN Office of Science and Technology, NMFS ... , NOAA, U.S. Department of Commerce (U.S.A.) Abstract The U.S. Antarctic Marine Living Resources ... conservation and management of the marine living resources in the ocean areas surrounding Antarctica. The ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Автор(ы): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

9. Environment–krill relations in the South Georgia marine ecosystem

   study, time series of krill abundance (CPUE) indices were derived from Soviet fishing operations in the ... atmospheric components of the system, and there are also correlations with CPUE data. The CPUE index generally ... agrees with other data which give direct or indirect indications of krill availability, suggesting it can ... were only expressed strongly in years of extreme conditions. The correlation with water temperature was ... distribution at one or more scales. In this paper a time series of the catch per unit effort (CPUE ... grounds rather than fishing being directed at specific swarms. The usefulness of CPUE within a season ... index characterises the predominant direction of air movement. Negative values of Z-AT indicate air ... transport to the east and negative values of M-AT reflect air transport to the north. In this study the Z ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Автор(ы): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky

10. Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region

    dynamics of spatial heterogeneity of the population along with age structure, movement and reproductive ... region and used as operating models to evaluate the performance of single-area assessments. The models ... shapes of the preference functions were established through iterative model testing whilst the parameters ... defining the preference functions were estimated within each model. The spatial structure of the models ... fish is the same as that of an untagged fish, irrespective of the location at which tagged fish were ... moved by Antarctic toothfish (median of about 20 km after a year at liberty, see Parker et al., 2013 ... been fished on at least one occasion since the fishery began. Each cell represents the part of the ... was restricted to those cells that have been fished and have recorded a catch of toothfish on at ...

    Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Автор(ы): Mormede, S., A. Dunn, S. Hanchet and S. Parker

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