Search results

1. Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history

   an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years) and increased ... mature early also died early. Tooth growth layers deposited in each calendar year were compared ... an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years) and increased ... mature early also died early. Tooth growth layers deposited in each calendar year were compared ...

   Meeting Document : WG-CEMP-93/11 : Author(s): I.L. Boyd and J.P. Roberts (United Kingdom)

2. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

   at parturition in 1984, and both pup mortality and the proportion of pups that died from starvation were double ... and the proportion of pups that died from starvation were double the 1985 values. Female condition at parturition ... for the observed between-year difference in at-sea FMR of C. ursinus while foraging-trip duration remained fairly ... of lactating female Antarctic fur seals, Arctocephalus gazella, foraging at sea was measured in two years using ...

   Meeting Document : SC-CAMLR-VIII/BG/13 : Author(s): Delegation of United Kingdom

3. Interactions between cetaceans and fisheries in Southern Ocean

   only occasionally and one whale (presumably a minke whale) died. Author(s):  K.-H. Kock (Germany ... occasionally and one whale (presumably a minke whale) died. ... . Sperm whales became frequently entangled in the line and part of the line was lost in a number of cases ... became frequently entangled in the line and part of the line was lost in a number of cases. Other ...

   Meeting Document : WG-FSA-05/11 : Author(s): K.-H. Kock (Germany), M. Purves (South Africa) and G. Duhamel (France)

4. Fishing and conservation in southern waters

   Abstract:  Fishing in the Southern Ocean commenced on finfish in 1969/70 and on krill in 1972/73 ... and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted. The krill ... in fragments of discarded or lost fishing gear. Most fish stocks had already been over-exploited before ... scientific observation in 1992. It is too early to judge the efficacy of these enforcement and data gathering ...

   Meeting Document : SC-CAMLR-XII/BG/11 : Author(s): Delegation of Germany

5. Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?

   Abstract:  A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... . However, the problem has been largely neglected subsequently to the extent that more than 25 years later ... A few years after krill (Euphausia superba) fishing had started in 1972/73, it became known ... , the problem has been largely neglected subsequently to the extent that more than 25 years later WG-FSA ...

   Meeting Document : WG-FSA-14/66 : Author(s): K.-H. Kock (Germany) and C.D. Jones (USA)

6. MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA

   conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years ... in the early, middle and late period of the summers of 2001 to 2005, together with krill population size ... during the middle of the summer in 3 years and in the late period in 2 years; in the latter ...

   Meeting Document : WG-EMM-08/48 : Author(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)

7. Krill population dynamics at South Georgia: implications for ecosystem-based fisheries management

   surveys conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years ... conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years ...

   Meeting Document : WG-EMM-10/P08 : Author(s): K. Reid, J.L. Watkins, E.J. Murphy, P.N. Trathan, S. Fielding and P. Enderlein

8. Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea

   of Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south ... composition structure at early years of life for fish inhabiting areas to the south of Island and near Shag ... Eastern, Northern, Western, Southern Island Shelf and near Shag Rocks allowed for revealing similarity ... of Island and near Shag Rocks and finding a difference between those two groups and the eastern group ...

   Meeting Document : WG-FSA-00/32 : Author(s): Zh.A. Frolkina (Russia)

9. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

   Abstract:  The rate at which tags are lost from tagged toothfish is an important parameter ... tags are lost from tagged toothfish in Subareas 88.1 and 88.2 from a sample of 969 double tagged ... tags were lost almost immediately, and then there was an ongoing rate of about 0.039 (95% C.I.s 0.027 ... –0.052) tags per year. For double tagged fish this corresponds to 99.5% of double tagged fish having ...

   Meeting Document : WG-SAM-11/18 : Author(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

10. Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001

    of small size classes, one year old juvenile krill was found. Krill density was significantly higher than ... during the past years (between 198 and 230 krill 1000 m-3, i.e. between 40 and 46 m-2 or 11.3 ... g m-2). The proportional recruitment index for the entire survey area for the 1999/2000 year class was R1 = 0.573 ... , and the absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years ...

    Meeting Document : WG-EMM-01/10 : Author(s): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)

Pages