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1. Solutions to seabird by-catch in Alaska’s demersal longline fisheries

   and 2000) in 2 major Alaska demersal longline fisheries: the Gulf of Alaska /Aleutian Island ... we saw orders of magnitude variation in bycatch across years and in the case of the sablefish fishery ... conditions. We report the results of experimentally rigorous tests of seabird bycatch deterrents on the local ... abundance, attack rate, and hooking rate of seabirds in both fisheries. Based on our results, we recommend a ...

   Meeting Document : WG-FSA-01/35 : Author(s): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)

2. Longline sink rates on a bottom autoline vessel in New Zealand: draft

   longline of this design sinks to 10m in a mean time of 63.0 seconds (n = 11, c.v. 16.7%), compared ... with the start of the longline which takes a mean time 31.1 seconds (n = 11, c.v. 30.4%) to reach 10m. The tori ... line aerial section covered the longline for a mean time of 26.3 seconds (n = 25, c.v.13.6 ... longline of this design sinks to 10m in a mean time of 63.0 seconds (n = 11, c.v. 16.7%), compared ...

   Meeting Document : WG-FSA-98/51 : Author(s): N.W. McL. Smith (New Zealand)

3. Fishing ground selection in krill fishery: trends in its patterns across years, seasons, and nations

   also recognized in order to accommodate any possible development of the fishing techniques. Author(s ... third of them were identified as the main contributors to the total catch. A shift of operational timing ... century of krill operation in Area 48, patterns of SSMU usage has changed. Three different patterns of ... seasonal SSMU selection were characterized by following the result of cluster analysis. Frequently used ...

   Meeting Document : WG-EMM-05/28 : Author(s): S. Kawaguchi (Australia), K. Taki and M. Naganobu (Japan)

4. Krill biomass and density distribution in February–March 2002 in Subarea 48.3

   feeding on krill in the area of the South Georgia western extremity where main feeding grounds serving ... Abstract:  Presented are the results of krill acoustic survey carried out by Russian RV Atlantida ... February 14 to March 5, 2002. Average krill density in the survey area was estimated at 45.45 g/m2 and ... total biomass at 1,898,492 ton. The analysis of krill aggregation distribution was made for ...

   Meeting Document : WG-EMM-03/30 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)

5. Short note on time series of Drake Passage Oscillation Index (DPOI) and its influence on environmental variability

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ...

   Meeting Document : WG-EMM-07/14 : Author(s): M. Naganobu and K. Kutsuwada (Japan)

6. Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)

   composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ... of pre-recruits but this requires the assumption of equal catch ability of all animals, a condition ...

   Meeting Document : WS-CRAB-93/10 : Author(s): X. Xu, E.G. Dawe and J.M. Hoenig (USA)

7. The fishery for Champsocephalus gunnari and its biology at Heard Island (Division 58.5.2)

   populations in the respective areas are mostly independent of one another. Author(s):  R. Williams, E. van ... Abstract:  Commercial trawl fisheries in the modern era started within the Heard Island EEZ in ... of the species gathered from the fishery and from a series of fishery-independent surveys conducted ... periodic abundant year classes that can be followed through the population before disappearing in their ...

   Meeting Document : WAMI-01/04 : Author(s): R. Williams, E. van Wijk, A. Constable and T. Lamb (Australia)

8. Antarctic fur seal population dynamics update and assessment of census error at SSSI No. 32, Livingston Island, South Shetlands, Antarctica (2000/2001)

   -observer error was within 3% of the overall mean. The relationship between census error and pup numbers ... -observer error was within 3% of the overall mean. The relationship between census error and pup numbers ...

   Meeting Document : WG-EMM-01/49 : Author(s): R. Hucke-Gaete (Chile)

9. Adélie penguin breeder abundance in CCAMLR Divisions 58.4.1 and 58.4.2

   future krill fisheries in those regions. We present here estimates of the breeding Adélie penguin ... Adelie penguins were attempting to breed at the time of the surveys in Divisions 58.4.1 and 58.4.2. This ... estimate is substantially higher than the previously available estimate in Woehler (1993) of 767,000 ... predators of the Southern Ocean including ice-breeding seals, fur seals, penguins and flying seabirds. The ...

   Meeting Document : WG-EMM-13/09 : Author(s): C. Southwell, J. McKinlay, L. Emmerson (Australia), A. Takahashi (Japan), C. Barbraud, K. DeLord and H. Weimerskirch (France)

10. Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety

    elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... Abstract:  The mathematical model of a fishery object contact against a mesh, while escaping ... ecological safety is offered, which is the ratio of the amount of the objects caught and objects caught and ... died during fishery. The equations are presented to estimate the gross removal of an object by the ...

    Meeting Document : WG-KRILL-93/34 : Author(s): Yu. V. Kadilnikov (Russia)

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