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1. Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels

   whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... . These two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... whales and sperm whales. These two species, alone or in co-occurrence with each other, were observed ... and fur seals. These two species, alone or in co-occurrence with each other, were observed in 54 ... shing period on CPUE was tested for different time groupings of the data, from one month to the whole ... a positive correlation was found for one sector, and no relationships for the other six sectors. Overall ... of fi shing period on CPUE was tested for different time groupings of the data from one month ... in the presence of sperm whales was detected in only one of the fi shing sectors (Table 4). However, for seven ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel

2. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   of juvenile fish in catches, normalised to one tonne of krill, ranged from 700 to 18 900 individuals ... were considered. The abundance of juvenile fish in catches, normalised to one tonne of krill, ranged ... South Georgia from May to July 1992. Two species were predominant in the by-catches: Champsocephalus ... by the FV Grigory Kovtun in the area around South Georgia from May to July 1992. Two species were ... species were present in only two catches: a single juvenile of Harpagifer georgianus in one, and one ... , normalised to one tonne of krill, ranged from 700 to 18 900 individuals. In the case of C. gunnari, average ... - 45,5%. K o n u s e c ~ ~ o MonoAH pb16b1 B YnoBaX, HopManll3oBaHHOe Ha OAHy ToHHY KpHnR, ~one ... rOAOBUKaMU (72,5 H 73,7 MM). B KOHqe HWnX CPeAHRX AnMHa CerOneTKOB B03pOCna A 0 48,5 MM. CpeflH ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Author(s): Pakhomov, E.A. and S.A. Pankratov

3. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   of post-impact monitoring to detect systematic change with high power unless one were willing to relax ... of post-impact monitoring to detect systematic change with high power unless one were willing to relax ... constructed and fitted to data collected at Béchervaise Island over a 12-year period when only natural ... , but variability among years was greater in the guard stage. Estimates of variability were used to explore ... , it would take many years of post-impact monitoring to detect systematic change with high power unless one ... . If the minimum percentage increase from one year to the next that is considered to be of significance is set ... , a Type I probability of approximately 0.05, 0.10 and 0.20 respectively that at least one test would ... for the guard and crèche stages. The inclusion of penguins that make only one or two trips substantially ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Author(s): Southwell, C., J. Clarke and L.M. Emmerson

4. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were tagged ... at liberty from one to two years. Four fish were tagged and recaptured from the same longline vessel in 2002 ... tags have been recovered from a high seas area on the Patagonian Shelf at 42°S after about one year ... seas area on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic ... and released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic tagging carried out ... and 2001 by one Uruguayan and two UK ves- sels. While catch rates were not high enough for fi shing ... fi shing vessels by other observers in this year (Figure 1). One vessel that left the South ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

5. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   fish stocks to recover to levels near those giving greatest net annual increment within two to three ... that applying a policy of F 0.1 will not always lead to stock recovery in two to three decades, and hence ... for defining the terms 'depleted' and 'target levels for recovery' are briefly discussed ... to levels near those giving greatest net annual increment within two to three decades is illustrated ... for two hypothetical fish stocks with different levels of production, one relatively high, the other ... stock states are examined, one with the population at 30% of average pre-exploitation biomass ... Natural Mortality = 0.15 year! Von Bertalanffy K = 0.12 year! Von Bertalanffy Woo = 2500 grams Age ... at first fishing = 5 years (knife-edge) Age at first spawning = 5 years (knife-edge) Pooled age-class ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Author(s): de la Mare, W.K. and A. Constable

6. A balanced model of the food web of the Ross Sea, Antarctica

   trophic groups and is balanced in terms of annual flows of organic carbon in an average recent year (1990 ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ... composition and inter-specific relationships within the ecosystem through trophic effects, that is, by one ... exudants (e.g. prima- rily phytoplankton); (iii) non-predation mortality (e.g. due to age, disease ... it changes from one group to another (dimen- sionless); s ijT seasonal transfer: fraction of production ... 3). This balance point is the closest one to the initial parameter set taking into account relative uncertainties ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Author(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

7. Mitigation of seabird captures during hauling in CCAMLR longline fisheries

   / Description:  In recent years there has been an increased focus on reducing seabird captures that occur during ... suggest that there are two key aspects of effective BEDs, firstly that they provide a deterrent ... these two key functional characteristics into the specification of a BED to be deployed by longline vessels ... In recent years there has been an increased focus on reducing seabird captures that occur during ... mitigation: one used a type of Brickle curtain and the other a fire hose to scare seabirds away from ... on the operational aspects of each BED design was used to categorise the BEDs into one of three types. Type ... joined by rope, one forward and one aft of the hauling point (Figure 3). At the seaward end of the boom ... on the water away from the hauling point. Conclusion Results achieved in Subarea 48.3 and Division 58.5.2 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Author(s): Reid, E., B. Sullivan and J. Clark

8. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

   and 88.2 by vessel for a space window of 20 km and time window of one season (Figure 2). The amount ... In CCAMLR Subareas 88.1 and 88.2, tag- release and -recapture data are used in an integrated age ... all fishing events of the case that were matched with at least one control event, the ratio ... vessel is generated, with a value of one repre- senting the average performance of all vessels. The key ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn

9. Management and uncertainty: the example of South Georgia

   of the immediate and long-term effects of any one proposed measure with those of any other measure (including ... of the immediate and long-term effects of any one proposed measure with those of any other measure (including ... an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison ... an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison ... , mostly of temperate waters. 46% had maximum ages over 10 years and 19% over 20 years. The short lived ... will be very low, perhaps one or two hundred tons in total over the next 10 years. If recent year-classes ... , but with the stocks declining, are unlikely to exceed one or two thousand tons in 10 years. - 350 - A more ... in indicating little mortality up to age 8, then a low rate until 12, but few fish over 12 years old. The age ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Author(s): Gulland, J.A.

10. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

    Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... 1975/76 to 1987/88. Comparisons are carried out between subareas in single years, between years ... between subareas, years and shelf/oceanic regions. Obviously, a consistent pattern of CPUE values does ... not occur over time for the entire area. High average CPUE were observed in the years 1975/76 and 1980/81 ... (e.g. one month), not of the entire season and the entire fishing fleet. Comparison between Years ... can be observed around 25 mm (Figure 5a), a mode which represents age class l + and the year class ... and areas. We know from published results, however, that this year was one of the poorest krill years ... index is calculated as catch in kilogram/hour trawling and is therefore directly comparable to one ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm

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