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1. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   in gain settings, then integrated 120 kHz echo signals would be under-reported by 2.8 dB, leading in turn ... signals would be under-reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5 ... of temperatures of water commonly surveyed by fisheries biologists. Shirakihara et al. (1986) reported ... , then integrated 120 kHz echo signals would be under-reported by 2.8 dB, leading in turn to an under-estimation ... of the transducers then used in fishery acoustics would not be stable to within 4 . 5 dB over the range ... between water masses with differing surface temperatures. In common with this study, all report ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Author(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

2. Consideration of major issues in ecosystem monitoring and management

   of this paper. The level of fi shing can be monitored through reported catches; on the macroscale considered ... . There have been no reported studies on the metabolic rate of mackerel icefi sh although there have been ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I

3. Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks

   Paper Title:  Some specific features of the USSR krill fishery and possibilities of applying ... fishery statistics to studies of krill biology and stocks Abstract / Description:  General principles ... of the USSR krill fishery such as the location of exploited fishing areas and the seasonal regime ... of their exploitation are considered. Using data obtained by the scouting vessel Globus engaged in regular krill fishery ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Author(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov

4. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   on the management of the crab fishery around South Georgia Abstract / Description:  Relatively high levels ... , which has been harvested by a new fishery around South Georgia (Subarea 48.3) since 1992. One ... of the crab fishery around South Georgia ... of the crab Paralomis spinosissima, which has been harvested by a new fishery around South Georgia (Subarea ... INVESTIGATION OF THE POSSIBLE EFFECTS OF RHIZOCEPHALAN PARASITISM ON THE MANAGEMENT OF THE CRAB FISHERY ... Current address: National Marine Fisheries Service Water Street, Woods Hole, Ma. 02543, USA Abstract ... of the crab Paralomis spinosissima, which has been harvested by a new fishery around South Georgia (Subarea ... , crustacean, crab, Paralomis, host-parasite model, fishery management, CCAMLR INTRODUCTION The first ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M

5. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   of an adjustable catch limit dependent on the results of ecosystem monitoring, the fishery would be restricted ... there would be little effect on the existing fishery. However, as catches increase, a trade-off may be drawn ... between options that displace the fishery from its current operating area, but reduce the potential ... for contravening the terms of the Convention, and options that do not displace the fishery, but are likely ... IN THE SCOTIA SEA R.P. Hewitt Southwest Fisheries Science Center 8604 La Jolla Shores Drive La Jolla, CA 92037 ... , USA Email – roger.hewitt@noaa.gov G. Watters Pacifi c Fisheries Environmental Laboratory 352 ... 0ET, United Kingdom M.E. Goebel Southwest Fisheries Science Center 8604 La Jolla Shores Drive La ... Cambridge CB3 0ET, United Kingdom W.Z. Trivelpiece Southwest Fisheries Science Center 8604 La Jolla Shores ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Author(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

6. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   2 (east coast North Island). N.Z. Fisheries Assessment Report 2000/27: 21 pp. Liste des tableaux ... A longline fishery targeting toothfish (Dis­ sostichus spp.) in the waters in and near the Ross Sea ... by-catch of the fishery, accounting for about 10% of the total landed catch. In the 2004 sea- son, about ... 297 tonnes of M. whitsoni were reported as having been caught (Hanchet et al., 2004). Although ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Author(s): Marriott, P.M., M.J. Manning and P.L. Horn

7. Fish stock assessment survey in Subarea 48.3

   reduction. No commercial fishing on Champsocephalus gunnari has been reported from the area. It is suggested ... dramatic reduction. No commercial fishing on Champsocephalus gunnari has been reported from the area ... a similar dramatic reduction. No commercial fishing on Champsocephalus gunnari has been reported from ... , UK 3 Institut fiir Seefischerei, Hamburg, Germany 4 Sea Fisheries Institut (MlR), Gdynia, Poland ... ). This report presents the results from a fish stock assessment survey undertaken by the United Kingdom ... of the Task Group for Information Reported to WG-FSA (SC-CAMLR, 1990a) . 2. SURVEY AREA AND DESIGN ...

   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

8. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   water up to 400 m deep. Since 1970 they have been subject to a commercial fishery of varying intensity ... commercial vessels are available for many months going back to the start of the fishery, although ... information reported to us by Frolkina (pers. comm. reported in Anon., 1998). The scenarios outlined above ... (unpublished data provided by Sea Fisheries Institute, Gdynia, Poland). The data were divided into two ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Author(s): Everson, I. and K.-H. Kock

9. An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia

   ). In the following year, CCAMLR-designated observers reported extensive interactions of the fishery with seabirds ... 10s restos de pescado, 10 que dio un total de cinco aves capturadas. Keywords: fishery, albatross ... Population declines in several species of albatross have been reported from breeding sites in the Southern ... operations in fisheries for southern bluefin tuna (Thunnus maccoyi) and Patagonian toothfish (Dissostichus ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall

10. A simple approach for calculating the potential yield of krill from biomass survey results

    Y = λMB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... fishery in which both the fishery and krill growth are seasonal. The criterion used for the calculations ... of seasonal growth variation, for a range of plausible values for pertinent parameters. This paper reports ... upon which to regulate the fishery for the following 20 years, is that from a single pre-exploitation ... for M, the multiplicative factors required to modify the values of A reported below can be found by a simple deterministic ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson

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