Search results

1. Further development of a krill fishery simulation model

   Abstract:  The model of the krill fishery presented in 1993 (wg-Krill-93/14) refined and applied ... catch. Closure of Livingston Island for the breeding period resulted in a 60% reduction in overlap with ... to account for variability in catch rates. The most successful management regime is found to be one ... the model predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in ...

   Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)

2. Antarctic sea ice losses drive gains in benthic carbon drawdown

   Peninsula in the last few years has exposed new open water, allowing large blooms of phytoplankton to ... Abstract:  Loss of sea-ice, ice shelves and retreat of coastal glaciers around the Antarctic ... flourish in the newly exposed coastal areas. This new productivity has important consequences as the ... phytoplankton die and sink to the sea-bed where the carbon is sequestered for thousands of years. This carbon ...

   Meeting Document : SC-CAMLR-XXXIV/BG/34 : Author(s): Delegation of the United Kingdom

3. Updated background paper (2018) on the Domain 1 MPA. Part A: Domain 1 MPA Model

   changes included since the preliminary proposal of the D1MPA model are discussed in PART B. Author(s ... Abstract:  The present paper reflects on a series of documents, comments and suggestions made ... and Chile in 2017 at CCAMLR XXXVI. It also includes the suggestions and reviews (WG-EMM, Buenos Aires ... papers discussed during the recent workshop on Spatial management held in Cambridge, 2018. Thus, this ...

   Meeting Document : SC-CAMLR-XXXVII/BG/07 : Author(s): Delegations of Argentina and Chile

4. Fish stock assessment survey in Subarea 48.3

   . The locations of the sites actually sampled are shown in Figure 1 and the positions given in Table 1. The mean ... . The data from the age and length distributions have been combined to provide mean length and mean weight ... 128 130 94 93 54 54 158 144 126 125 96 94 55 54 148 147 128 129 94 94 53 53 Mean: 149.8 127.3 93.8 ... I '-- -- --'- -'- """ o Table 12: Mean length (cm) at age for length and age samples taken during the survey. All values ... fish survey in the vicinity of South Georgia, CCAMLR Subarea 48.3, is described. Details are given of ... positions of hauls, catch rates and size composition of catches. The standing stock of one of the most ... important commercial species in the area, Champsocephalus gunnari, is shown to have undergone a major ... Paper Title:  Fish stock assessment survey in Subarea 48.3 Abstract / Description:  A demersal ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Author(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

5. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   ) and mean coefficient of variation (CV) for each skate were calculated to assess ageing precision (Campana ... and error bars indicate the mean and two standard errors for read- ings on the y-axis relative ... . By counting fine growth bands in the caudal thorns instead of broad diffuse bands, growth curves have ... ) from the Ross Sea Abstract / Description:  A previous study on the age and growth of Amblyraja ... georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... and growth in A. georgiana that is radically different from the published interpretation is presented ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher

6. Beach debris survey Signy Island, South Orkney Islands 1997/98

   fishing vessels brought into force by CCAMLR in 1996, 36% of the debris found at Signy were packaging ... at Signy Island in 1997/98 continues a promising trend. However the considerable amount of plastic ... from three study beaches, Cummings Cove, Foca Cove and Starfish Cove after the prolonged presence of ... and four items with a total weight of 1.7 kg were found at Starfish Cove. The total number of marine ...

   Meeting Document : CCAMLR-XVII/BG/20 : Author(s): Delegation of the United Kingdom

7. Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities

   Abstract:  In our study skeletal elements from fish species of the Antarctic waters were extracted ... , including a database of bone pictures and in the near future various identification keys as well, completed ... by a simple tool to compare the same skeletal elements of different species. In the database most of ... the skeletal elements of the cranial and axial skeleton (apart from a few bones of the neurocranium ...

   Meeting Document : WG-FSA-05/35 : Author(s): J. von Busekist, M. Vacchi and G. Albertelli (Italy)

8. Ross Sea fishery research and data collection plan

   ) is presented. The increase in the number of vessels in the exploratory fishery in Subareas 88.1 and ... Abstract:  A review of the use and effectiveness of research lines as a data collection and effort ... 88.2, combined with the greater number of Small Scale Research Units (SSRUs) and the amount of data ... collected through fishing activities has effectively made the requirement to force a spread of research sets ...

   Meeting Document : WG-FSA-05/49 : Author(s): J. Fenaughty (New Zealand)

9. Development of an algorithm designed to assess observer data quality and performance

   observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... worksheets, which displaces data and results in the importation of the wrong data by the algorithm and ... Abstract:  As part of the Secretariat task to ensure the quality and consistency of the data ... fishery logbooks. In its current version the algorithm is able to detect and report invalid data formats ...

   Meeting Document : WG-SAM-13/40 : Author(s): Secretariat

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

    is a random adjustment to mean weight for year i, B is the slope (average rate of change in weight per five ... and eij terms are independent and are normally distributed with mean 0 and vari- ance 2Sσ , 2 stσ ... of data over eight years for five-day periods 2–5 indi- cated a significant relation between mean ... (2) were employed in equation (3) to estimate mean weight as a function of five-day period x: ˆ xM ... the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... fledgling weights Abstract / Description:  Statistical models of variation in Adélie penguin fledgling ... weight data were used to examine the power to detect a change in fledgling weights after an impact. The ... year, but there was no evidence that the rate of decline differed between years. A consequence of this ...

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

Pages