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1. Do krill and salps compete? Contrary evidence from the krill fisheries

   / Description:  Salp by-catch and krill discolouration ('green' krill) caused by active feeding on ... Salp by-catch and krill discolouration ('green' krill) caused by active feeding on phytoplankton were ... . Keywords: krill, feeding, phytoplankton, krill fishery, salps, by-catch, competition, CCAMLR INTRODUCTION ... the Japanese krill trawlers have accumulated a large amount of data on salp by-catch and on the ... occurrence of green krill. Local salp density could be calculated from salp by-catch data. Green krill are ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Auteur(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

2. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

   holotrachys) caught as by-catch in the Patagonian toothfi sh (Dissostichus eleginoides) fishery in Subarea ... otoliths from bigeye grenadier (Macrourus holotrachys) caught as by-catch in the Patagonian toothfi sh ... INTRODUCTION Fish of the family Macrouridae (rattails and grenadiers) are regularly taken as by-catch in the ... total catch by weight in these fi sheries (van Wijk et al., 2000). In other fi sheries, such as the ... ), reported macrourid by-catch is less, between 1–2% of the total catch weight. However, even in these ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Auteur(s): Morley, S. and M. Belchier

3. Environment–krill relations in the South Georgia marine ecosystem

   distribution at one or more scales. In this paper a time series of the catch per unit effort (CPUE ... around South Georgia. METHODS AND DATA Catch per Unit Effort Some measure of catch rate from a ... sea; catch and effort data were available for the period 1974 to 1992. For the period 1974 to 1976 ... Soviet vessels fish for krill during November or December, but catch data were not available for ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Auteur(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky

4. Can we satisfactorily estimate variation in krill abundance?

   :  Knowledge of abundance and rates of change of abundance are basic requirements for fisheries models. Catch ... abundance and rates of change of abundance are basic requirements for fisheries models. Catch per unit ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Auteur(s): Everson, I.

5. Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)

   catch of target and by-catch species (quantity and weight) were recorded. Additionally, records of air ... - gravid, and 5 - post-spawning (Kock and Kellermann, 1991). For by-catch species, total catch weight of ... . Specimens of by-catch fish were also collected and frozen for subsequent verification of species ... in the case of D. nzawso~zi, and 1 cm length classes for other species. Finally, the catch per unit ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Auteur(s): Arana, P.M. and R. Vega

6. Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler

   values used for the minimum catch rate per overall elapsed time. It is suggested that an improvement in ... behaviour of the simulation model with respect to the values used for the minimum catch rate per overall ... tiempo de busqueda. Butterworth (1988) made a thorough examination of the usefulness of catch-per ... made on the basis of CRmin (the minimum catch rate per overall elapsed time). Over a range of 1 to 3 ... catch during the fortnightly period, leading to the extreme of remaining in the concentration first ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Auteur(s): Ichii, T. and Y. Endo

7. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   legal fishery to assess the trends in and the factors affecting catch-per-unit-effort (CPUE) in both the ... the trends in and the factors affecting catch-per-unit-effort (CPUE) in both the trawl and the ... used to give a general view of the patterns observed in the unstandardised catch-per-unit-effort ... toothfish, Dissostichus eleginoides, Kerguelen Islands, trawl fishery, longline fishery, CPUE (catch-per ... great deal of missing data concerning by-catch and the number of birds killed. These data have been ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost

8. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data

   Scotia Sea, shifting to shallower depths again in early spring. The average catch-per-unit-effort (CPUE ... shallower depths again in early spring. The average catch- per-unit-effort (CPUE) was highest during the day ... were examined using Japanese fi shery data. Materials and methods The krill catch datasets (total of ... varied between months and areas and averaged 49 minutes (±26 min; SD). Catch-per-unit-effort (CPUE) was ... defi ned in this study as catch per volume of trawled water (g/m3). The volume of trawled water was ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Auteur(s): Taki, K., T. Hayashi and M. Naganobu

9. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   risk from these fisheries at this time. Until fishing methods which do not catch albatrosses are in ... therefore at serious risk from these fisheries at this time. Until fishing methods which do not catch ... toothfish (Dissostichus eleginoides). These fisheries are also known frequently to catch albatrosses ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Auteur(s): Croxall, J.P. and P.A. Prince

10. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

    (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... -catch of fur seals (Arctocephalus gazella) in the krill fi shery around South Georgia, and on ... Management (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella ... fi ne-scale catch and effort data. The data submitted to CCAMLR by those krill vessels operating in ... measures resulted in some reduction in by-catch, but not its elimination. Once the vessel had discovered ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Auteur(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew

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