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1. Environmental variability effects on marine fisheries: four case histories

   Abstract:  The changing nature of marine fisheries requires management approaches that recognize and include ecosystem and environmental effects. Therefore, we review some examples of exploited fishery stocks in which environmental control is a major contributor to structuring the abundance and

   Meeting Document : WG-EMM-97/66 : Author(s): Hofmann, E.E., Powell, T.M.

2. Structure of the Antarctic Circumpolar Current in the South Atlantic with implications for biological transport

   Author(s):  Hofmann, E.E., Fach, B., Locarnini, R.A., Klinck, J.M., Murphy, E. Title:  Structure of the Antarctic Circumpolar Current in the South Atlantic with implications for biological transport Approval:  Approved

   Meeting Document : WG-EMM-97/67 : Author(s): Hofmann, E.E., Fach, B., Locarnini, R.A., Klinck, J.M., Murphy, E.

3. Hydrography and circulation of the Antarctic continental shelf: 150°E eastward to the Greenwich meridian

   Author(s):  Hofmann, E.E., Klinck, J.M. Title:  Hydrography and circulation of the Antarctic continental shelf: 150°E eastward to the Greenwich meridian Approval:  Approved

   Meeting Document : WG-EMM-97/68 : Author(s): Hofmann, E.E., Klinck, J.M.

4. Pursuit of polynyas in the Antarctic peninsula area

   Abstract:  Polynyas accelerate oceanic and atmospheric processes. We additionally think polynyas influence biological activity. We pursued daily transition of coastal polynyas in the Antarctic Peninsula area from 1978 through 1995 using images of sea ice concentrations by the satellite microwave

   Meeting Document : WG-EMM-97/69 : Author(s): Kimura, N., Shibazaki, K., Matsumura, S., Naganobu, M., Okada, Y.

5. Further krill-predator model calculations

   Abstract:  Thomson and Butterworth (1996) developed a krill-predator model and applied this to an Antarctic fur seal dataset. These calculations are extended here. The level of krill fishing intensity required to halve the fur seal population (γhalf) is between 0.08 and 0.09, slightly lower than

   Meeting Document : WG-EMM-97/70 : Author(s): Thomson, R.B., Butterworth, D.S.

6. Australia’s contribution to CEMP 1996/97: summary and notes

   Author(s):  Delegation of Australia Title:  Australia’s contribution to CEMP 1996/97: summary and notes Approval:  Approved

   Meeting Document : WG-EMM-97/71 : Author(s): Delegation of Australia

7. Effects of sea-ice extent and krill or salp dominance on the Antarctic food web

   Abstract:  Krill (Euphausia superba) provide a direct link between primary producers and higher trophic levels in the Antarctic marine food web. The pelagic tunicate Salpa thompsoni can also be important during spring and summer through the formation of extensive and dense blooms. Although salps

   Meeting Document : WG-EMM-97/73 : Author(s): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.

8. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

   Abstract:  Target strength measurements of free swimming krill at 120kHz were made using a single beam monostatic system in a 10 m3 laboratory tank. Krill (grouped according to length classes) swam freely in the tank triggering the data acquisition system when generating a back scattered signal

   Meeting Document : WG-EMM-97/75 : Author(s): Pauly, T., Penrose, J.D.

9. Synthesis of the activities carried out at SSSI No. 32 and CEMP site ‘Cape Shirreff and San Telmo Islets’ during the Antarctic season 1996/97

   Author(s):  Torres, D. Title:  Synthesis of the activities carried out at SSSI No. 32 and CEMP site ‘Cape Shirreff and San Telmo Islets’ during the Antarctic season 1996/97 Approval:  Approved

   Meeting Document : WG-EMM-97/77 : Author(s): Torres, D.

10. Summary of monitoring and research activities at Svarthamaren, Dronning Maud Land

    Abstract:  Data on Antarctic petrel Thalassoica antarctica population and demography monitoring at Svarthamaren, Dronning Maud Land from five field seasons between 1991/92 and 1996/97 is presented. The results of the population monitoring show that the number of pairs with chick or egg varied

    Meeting Document : WG-EMM-97/78 : Author(s): Lorentsen, S., Tveraa, T., Røv, N.

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