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1. Use of indices of predator status and performance in CCAMLR fishery management

   Paper Title:  Use of indices of predator status and performance in CCAMLR fishery management ... used in the management, by CCAMLR, of commercial fisheries. It reviews reasons why it is important for ... CCAMLR formally to use such data in its fishery management operations and discusses the constraints ... inherent in the CEMP data, both from predator monitoring and harvesting perspectives. An outline of a ... most existing fishery management agreements. A particular issue, not explicitly addressed in Article ... environment, evidence for short-term changes (year-to-year differences or trends over three to five years ... last year and with average(s) of previous years. Determine level of statistical significance of ... PERFORMANCE IN CCAMLR FISHERY MANAGEMENT J.P. Croxall Abstract This paper investigates how data on, or ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Autor(es): Croxall, J.P.

2. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   successful recruitment year due to krill spawned in 1994/95. File:  06watkins.pdf ... Paper Title:  A composite recruitment index to describe interannual changes in the population ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... years, either because of changes in distribution or sampling techniques. Similarly, the larger year ... + year class only formed a significant proportion of the population in three of the seven years. This ... years in which the R2 index shows a high value (particularly 1988/89 and 1991/92) the R1 index shows ... + krill seen in the previous two years but the 2+ krill (mean size 34.2 mm) were small. It is, therefore ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L

3. An assessment of the impact of krill fishery on penguins in the South Shetlands

   Paper Title:  An assessment of the impact of krill fishery on penguins in the South Shetlands ... ) fishery and penguins during the penguins' breeding season (December to March) in the South Shetland ... krill catch is very low in December while the catch rate for the following three months is roughly ... constant (3 000 to 10 000 tonnes/10-day period) due to an increase in fishing intensity in areas closer to ... 20 or 30 X 30 n miles from recent surveys (1989/90 and 1990/91). The krill biomass for each of ... about 3 to 25 km offshore, irrespective of annual conditions, i.e., even in a krill-poor year (AMLR ... IMPACT OF THE KRILL FISHERY ON PENGUINS IN THE SOUTH SHETLANDS T. Ichii, M. Naganobu and T. Ogishima ... penguins' breeding season (December to March) in the South Shetland Islands (Subarea 48.1) was made based ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Autor(es): Ichii, T., M. Naganobu and T. Ogishima

4. 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 ... Paper Title:  Mitigation of seabird captures during hauling in CCAMLR longline fisheries Abstract ... hauling in CCAMLR longline fisheries. Haul captures were first recognised by CCAMLR as a problem as early ... MRAG Ltd 18 Queen Street, London W1J 5PN United Kingdom Abstract In recent years there has been an ... BEDs have been used in fisheries in Division 58.5.2 over the period of three years. Discussion ... operations in Divisions 58.5.2 and 58.4.2. During that year, although there was zero mortality recorded dur ... MITIGATION OF SEABIRD CAPTURES DURING HAULING IN CCAMLR LONGLINE FISHERIES E. Reid BirdLife International ...

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

5. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... strategic frameworks for assessing uncertainty in ecosystem dynamics models. Such models have been used ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... plausible alternative hypotheses in data-poor situations. Apparent sensitivity is a function of both input ... nominally beginning in 2007 and par- titioned into 20 years of fishing, using a can- didate catch allocation ... option and a specified allowable catch, followed by 20 years without fishing (SC-CAMLR, 2007a; Watters ... , but more specific than, that of Watters et al. (2013), who assumed that overall krill density in ... shorter than a year) 2 There are, in fact, 29 arguments for the main function. Eleven of these are ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews

6. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   Paper Title:  Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula ... . In this paper the authors present an analysis relating to both these challenges. Clutch initiation ... Petermann Island) in relation to potential drivers of clutch initiation (e.g. temperature, precipitation ... factor related to the timing of clutch initiation in all three of the penguin species examined (Adélie ... years, were not used in the exploratory data analysis. Lynch et al. 152 Table 1: Sources of ... Palmer Station staff.) 3 Data downloaded from www.antarctica.ac.uk/met/gjma/ 4 In order to avoid ... distribution was constructed using every other sample from the following 20 000 samples in the Monte Carlo ... chinstrap penguins. 0.4 0.6 0.8 1.0 Fr ac tio n of m ax im um c ou nt 0 5 10 15 20 25 30 Days ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Autor(es): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

7. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   Paper Title:  Status of the krill stock around Elephant Island in 1991/92 and 1992/93 Abstract ... / Description:  Krill stock composition and distribution patterns in the vicinity of Elephant Island during the ... austral summers of 1991/92 and 1992/93 are described and compared with information from previous years ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... Southern Ocean. Routine meso-scale surveys have been conducted in this area in recent years to assess ... -south transects between 60" and 62"s and 53" and 57"30'W ('Elephant Island box'). In 1993 additional ... of juveniles and krill lengths <30 mm in 1992 (Figures 4 and 7) resulted from successful spawning ... . Loeb and Siege1 (Dlink/Dmax) *l00 Variable 1---10---20---30---40---50---60---70---80---90---~00 ST ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Autor(es): Loeb, V. and V. Siegel

8. Food consumption by predators in a CCAMLR integrated study region

   Paper Title:  Food consumption by predators in a CCAMLR integrated study region Abstract ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... Georgia Integrated Study Region and incorporates new features, allowing for seasonal variation in predator ... (when successful in rearing a chick) and have cycles lasting two years. The king penguin typically has ... two breeding attempts in three years at South Georgia. Thus the estimation procedure is based on an ... , irrespective of the number of years in the predator'S activity cycle: diet is more likely to be determined by ... independently. In the system they can all be combined together, subject only to data availability. 3 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Autor(es): Croxall, J.P., C. Ricketts and A.G. Wood

9. 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 ... Paper Title:  Estimates of fish stock biomass around South Georgia in January/February 1985 ... Abstract / Description:  Catch data from a bottom trawl survey in January/February 1985 have been used to ... CCAMLR in 1984 are discussed. Their effect on a recovery of the stocks seems, however, doubtful. File ... in stock size to 10 ~ 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... catches of C. gunnari were in general less than 100 kg/30 min which indicates a n even distribution of ... distribu ted with catches rarely exceeding 50 kg/30 min. Juveniles of 30-70 cm pred ominated in the ... /30 min. Estimated stock size of 8 159 t may thus be r a ther ina ccurate (table 1). It is in the ...

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

10. Commercial krill fisheries in the Antarctic, 1973 to 1988

    Paper Title:  Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... tonnes in 1981/82 before dropping to allow level in 1983/84 and stabilizing at about 400 000 tonnes ... thereafter. In terms of both catch and effort the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 ... split-years; a split-year being the twelve month period from 1 July in one year to 30 June in the next ... in 1985/86 and subsequently levelled off at about 370 000 tonnes in the remaining years. From Figure ... three indices illustrate a gradual increase in CPH over the past seven years, particularly in Subareas ... given in Table 2 for all years for which data are available. From this table and data presented in ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Autor(es): Miller, D.G.M.

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