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1. A rationale for conservation areas within Antarctic waters

   :  The application of potential conservation measures listed in Article IX 2 of the Convention requires ... ‘the designation of regions and sub-regions based on the distribution of populations of Antarctic ... , first priority has been given to surface circulation of southern waters and the distribution of krill ... . This has been supplemented by (limited) information on the distribution of major consumers including ... potential conservation measures listed in Article IX 2 of the Convention requires "the designation of ... critical step in this is the selection of boundaries for conservation areas in a manner which ensures ... of food in the usual feeding grounds. Seals: The Convention for the Conservation of Antarctic ... designated have marine waters as main components. Ma{ine ecosystems are included in the classification of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Autor(es): Chittleborough, R.G.

2. Estimates of fish stock biomass around South Georgia in January/February 1985

   reduction in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... fishery is dependant on the abundance of the recruiting year class. Conservation measures adopted by ... CCAMLR in 1984 are discussed. Their effect on a recovery of the stocks seems, however, doubtful. File ... Paper Title:  Estimates of fish stock biomass around South Georgia in January/February 1985 ... considerable decrease in mean length in the catches at the end of the 1970s has been observed compared to ... biomass (t), standard deviation (sd) of the mean and mean density Dr around South Georgia in January ... in stock size to 10 ~ 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... fishery is dependant on the abundance of the recruiting year class. Conservation measures adopted by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Autor(es): Kock, K.-H.

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

   Paper Title:  An assessment of CCAMLR measures employed to mitigate seabird mortality in ... the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... between the Governments of the United Kingdom and Chile, a UK observer was placed aboard a Chilean ... longliner, the BF Cisne Verde, fishing in CCAMLR Subarea 48.3 during the 1996/97 season. In this study 61 ... ., 1994,1997; Weimerskirch, et al., 1997). In the area covered by the Convention on the Conservation of ... laid (mean = 13 634 hooks/ night; SD = 1 650). Set locations are shown in Figure 1. The number of ... (SD = 553) laid each night was observed in the following hauls, and a mean of 12 990 hooks (SD = 1 ... albatrosses were counted in one group. The mean number of birds following the vessel was calculated at 10.7 ...

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

4. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

   measures put in place by CCAMLR to date. These measures are re-examined in the light of new information ... , and a strategy for the future protection of young fish and spawning aggregations of C. gunnari in ... Paper Title:  Protecting young fish and spawning aggregations of Champsocephalus gunnari in ... spawning aggregations in fisheries generally, and specifically in the Champsocephalus gunnari fishery in ... are re-examined in the light of new information, and a strategy for the future protection of young ... , CCAMLR INTRODUCTION Since 1984, CCAMLR has introduced a variety of conservation measures for the C ... catches of small fish. The CCAMLR Scientific Committee has also been active in encouraging the ... monitoring and evaluation of the catch of juvenile and larval C. gunnari in the krill fishery (e.g. Everson ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Autor(es): Parkes, G.B

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

   Paper Title:  Mitigation of seabird captures during hauling in CCAMLR longline fisheries Abstract ... as 1994/95 when steps were taken to reduce the attraction of seabirds to vessels during the hauling ... process. Since 2003, increased efforts have been made to improve the design and performance of bird ... these two key functional characteristics into the specification of a BED to be deployed by longline ... , CCAMLR agreed in 2009 to amend Conservation Measure 25-02 ‘Minimisation of the Incidental Mortality of ... . 156 Introduction The incidental capture of seabirds during line setting in longline operations has ... , dur- ing line setting has reduced the total number of dead seabirds in by-catch from over 5 000 in ... . However, this success in reducing the number of seabirds killed during line setting has highlighted the ...

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

6. Consideration of major issues in ecosystem monitoring and management

   availability of krill, variation in vital rates of the dependent species and the overlap between commercial ... Paper Title:  Consideration of major issues in ecosystem monitoring and management Abstract ... / Description:  This paper outlines the requirements of an ecosystem approach to the management of Southern ... interactions and the manner in which their populations vary naturally. Large-scale interactions are catered for ... ). Smaller-scale interactions centre around three main categories: the availability of krill, variation in ... accordance with the provisions of this Convention and with the following principles of conservation: (a ... ) prevention of decrease in the size of any harvested population to levels below those which ensure its ... - ation of depleted populations to the levels defi ned in subparagraph (a) above; and (c) prevention of ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Autor(es): Everson, I

7. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

   estimates of mean density and biomass for the Indian Ocean sector and the West Atlantic sector as well as ... Paper Title:  Krill biomass in Area 48 and Area 58: recalculations of FIBEX data Abstract ... / Description:  FIBEX acoustic and length frequency data held in the BIOMASS database were used to provide ... workshop. Estimates for the different areas were also calculated using the target strength relationships of ... de sonido de 120 kHz. 1. INTRODUCTION In 1991 the Commission for the Conservation of Antarctic ... held in the BIOMASS database were used to provide estimates of mean density and biomass for the ... ) Relationship The following TS/length relationships were used in the calculation of mean weight density (gm-2 ... in keeping with the original FIBEX approach (Anon., 1986). 2.5 Calculation of Biomass The mean ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Autor(es): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

8. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

   (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ... commercial operations and the effectiveness of by-catch provisions (the 5% rule) set by CCAMLR in 1996 to ... by-catch during commercial activities in 1996/97 was approximately 5%, 58% and 11% of the respective ... , causing a triggering of the 5% rule in Conservation Measures 109/XV and 11O/XV. Most instances occurred ... (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ... during commercial operations and the effectiveness of by-catch provisions (the 5% rule) set by CCAMLR in ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Autor(es): Constable, A.J., R. Williams and W.K. de la Mare

9. Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica

   examine a potential impact of bottom trawling on benthic communities in this region. The benthos was ... examined in trawls at 14 of the 22 random stations providing representative samples from different areas in ... most abundant taxa in terms of biomass. The wet-weighed ratio of benthos to finfish in the codend was ... demonstrate that the biomass of benthos that could be disturbed by commercial bottom trawling could be high in ... Australia in the 1990/91 season. The data collected are used to examine a potential impact of bottom ... trawling on benthic communities in this region. The benthos was examined in trawls at 14 of the 22 random ... sponges and ascidians. Holothurians and crinoids were the next most abundant taxa in terms of biomass ... . The wet-weighed ratio of benthos to finfish in the codend was greater than 1 at 12 out of the 14 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Autor(es): Constable, A.J.

10. Statistical power to detect changes in growth rates of Antarctic fur seal pups

    changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... Method (50 pups of each sex, weighed on four dates at 28-day intervals) would result in the ability to ... detect a 17% change in the growth rate with a 10% chance of committing Type 1 or Type 2 errors. If only ... ) in pup growth rates, the loss of power associated with obtaining weight samples on only three dates ... in a season, and potential means of increasing the power of the CCAMLR Ecosystem Monitoring Program ... % change in the growth rate with a 10% chance of committing Type 1 or Type 2 errors. If only three samples ... number of pups weighed in a season, by decreasing the time between weighings. Resume Des simulations ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Autor(es): Boveng, P., J.L. Bengtson and M.E. Goebel

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