Результаты поиска

1. Updating the 2017 stock assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   88.2AB) will be updated in 2017. The introduction of CM 91-05 (the Ross Sea region Marine Protected Area ... ) will require modifications to the previous method the estimation of catch splits in the calculation of ... precautionary yields. In addition, work will need to be carried out in the longer term that consider how the ... assessment will need to be modified to respond to changes in the fishing catch and effort distributions that ...

   Meeting Document : WG-SAM-17/41 : Автор(ы): S. Mormede and S. Parker

2. Update on work to estimate krill consumption by flying seabirds in CCAMLR Divisions 58.4.1 and 58.4.2

   petrel, Cape petrel, southern fulmar, snow petrel and Wilson’s storm petrel) in Divisions 58.4.1 and ... 58.4.2. We compiled information on the historical search effort in potential seabird breeding habitat in ... . This work is an important contribution to estimating krill consumption by predators in Divisions 58.4.1 ... predator groups in the region including pack-ice seals and Adelie penguins and will contribute to ...

   Meeting Document : WG-EMM-17/11 : Автор(ы): C. Southwell and L. Emmerson

3. Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b

   mawsoni) have been operating in Divisions 58.4.1 and 58.4.2 since 2003, however robust stock assessments ... and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing ... management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... . mawsoni, including in adjacent Division 58.4.3b. Spatial heterogeneity in catch composition indicated that ...

   Meeting Document : WG-FSA-17/16 : Автор(ы): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon

4. Integrated analyses of circumpolar climate interactions and ecosystem dynamics in the Southern Ocean (ICED)

   Abstract:  ICED is a multidisciplinary, international initiative recently launched in response to ... in the Southern Ocean, the implications for ecosystem dynamics, the impacts on biogeochemical cycles ... , and the development of management procedures. CCAMLR community scientists have been instrumental in ... community in order to maximise the impact of science on the management of Southern Ocean ecosystems. Author ...

   Meeting Document : WG-EMM-06/26 : Автор(ы): E.J. Murphy (United Kingdom), E. Hofmann (USA) and R. Cavanagh (United Kindom)

5. A GIS tool to assist in the planning and design of sample surveys of the abundance of colonial breeding species

   Abstract:  A GIS tool to assist in the planning and designing of surveys of colonial breeding ... developed to implement more complex and efficient designs. An example of its potential use is provided. In ... the example the tool is used to sample a population of Adelie penguins in the Holme Bay region of East ... Antarctica as might occur in a real a pilot survey, and the resulting sample densities used to predict the ...

   Meeting Document : WG-EMM-05/25 : Автор(ы): C. Southwell, R. Dreissen, S. Candy, G. McPherson and J. Clarke (Australia)

6. Beached birds: a guide used by north pacific groundfish observers to identify seabirds incidentally caught in fisheries

   Abstract:  In the fall of 2002, the U.S. National Marine Fisheries Service (NMFS) purchased 300 ... vessels in the Bering Sea and Gulf of Alaska. This new guide replaces a dichotomous key on looseleaf paper ... of fishery observers to accurately identify seabirds as they come up in the sampled fishing gear ... collection at the NMFS North Pacific Groundfish Observer Program. A copy of Beached Birds is available in the ...

   Meeting Document : WG-FSA-03/24 : Автор(ы): T. Hass and S. Davis (USA)

7. Connectivity and population structure in Pleuragramma antarcticum

   silverfish (Pleuragramma antarcticum) are distributed in independent, discrete populations in the Ross Sea ... populations: i) in the Ross Sea, ii) on the southern Antarctic Peninsula in Marguerite Bay and off Charcot ... (USA) and M. Pinkerton (New Zealand) Title:  Connectivity and population structure in Pleuragramma ...

   Meeting Document : WG-FSA-11/19 : Автор(ы): J. Ferguson, J. Ashford, A. Piñones, J. Torres, W. Fraser, C. Jones (USA) and M. Pinkerton (New Zealand)

8. CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL FISHERY

   ; The variation in reported conversion factors for similar reported products can be attributed to a ... number of reasons:.; o Differences in the method of processing the same products o Seasonal variation o ... conversion factor) Uncertainty in reported Conversion Factors does not necessarily lead to uncertainty in ... Clark, J., Peatman, T. Title:  CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL ...

   Meeting Document : TASO-09/06 : Автор(ы): Moir Clark, J., Peatman, T.

9. A multi-frequency method for improved accuracy and precision of in situ target strength measurements

   accurately measure in-situ target strengths (TS) is dramatically enhanced (98.2-99.4%) by combining ... juxtaposed single-beam transducers. Both methods were utilized to extract in-situ TS measurements of ... Antarctic scatterers simultaneously at 38, 120, and 200 kHz. Differences in the resulting TS measurements ... provided information about the identity of constituents in a mixed species assembly. Author(s):  Hewitt ...

   Meeting Document : WG-EMM-97/24 : Автор(ы): Hewitt, R.P., Soule, M.A., Demer, D.A.

10. On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis

    through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ... slightly decreased in February. These estimations, in general, are in line with those previously obtained ... of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax ...

    Meeting Document : WG-EMM-97/61 : Автор(ы): Casaux, R.

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