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1. Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters

   results of this study agree closely with genetic data from other studies on krill in the Atlantic sector ... Paper Title:  Genetic variations and population structure of krill from the Prydz Bay region of ... consistent with the hypothesis that all samples were derived from a single breeding population of krill. The ... of the Southern Ocean, suggesting that krill stocks over at least 6000 kilometres of Antarctic waters ... of krill. The results of this study agree closely with genetic data from other studies on krill in ... POPULATION STRUCTURE OF KRILL FROM THE PRYDZ BAY REGION OF ANTARCTIC WATERS C.M. MacDonald, R. Williams ... the Atlantic sector of the Southern Ocean, suggesting that krill stocks over at least 6000 ... kilometres of Antarctic waters are derived from a single interbreeding population. Note The full text of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Autor(es): MacDonald, C.M., R. Williams and M. Adams

2. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   conservation planning for developing marine spatial protection includes analysis of the spatial distribution of ... important differences between pelagic bioregions in terms of the fraction that was open to fishing, and the ... has ever been fished, and this fishing is concentrated in three of the seven bioregions found in the ... between habitat (bioregion), existing spatial management and Antarctic krill catch in the Southern Ocean ... that can meet the defined conservation objectives with minimal displacement of these activities. In ... fish- ing in the context of systematic conservation plan- ning will be beneficial in progressing ... CCAMLR has endorsed the development of a representative system of marine protected areas (MPAs) in the ... scales that are appropriate in terms of both conservation benefits and rational use. A conservation ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Autor(es): Grant, S.M., S.L. Hill and P.T. Fretwell

3. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

   . A trial was conducted in the Ross Sea to determine the effectiveness of line setters in increasing ... were identical, including in the first few metres of the water column where seabird interactions are ... Paper Title:  Seabird by-catch by autoline vessels: do line setters increase the sink rate of ... m –1 lead core) longlines by some autoline vessels in the Kerguelen and Crozet Islands Patagonian ... sink rates. A trial was conducted in the Ross Sea to determine the effectiveness of line setters in ... setter were identical, including in the first few metres of the water column where seabird interactions ... ) the depth of longlines for given distances astern. This increase in depth is minor and unlikely to ... . 108 Introduction Since the mid-1990s large numbers of seabirds have been killed in the legal ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Autor(es): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

4. The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model

   decisions is investigated under a variety of circumstances. The model described in the existing conservation ... simulation model Abstract / Description:  The methods, described in CCAMLR Conservation Measures, used for ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... conservation measures, methodologies for deciding the date of closure of fisheries should incorporate a ... conservation measures to date rely upon fishing effort being constant and having low variance. In the case of ... specified period period within which the in the existing levelL predicted date2 of TA C conservation ... = 0.1 and L = 0.6 if c = 0.02. This implies that the use of Model 1 in a conservation measure must ... (currently defmed in Conservation Measure 25/IX) with Catch Type 1. The effect of L, the catch limit ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Autor(es): Agnew, D.J.

5. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   model is recognised as state-of-the-art in predicting acoustic target strength (TS) from fluid-like ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... the distribution of animal orientations. Due to the high variability of TS to realistic changes in ... variability of krill in the area of investigation. In a multifrequency context, the girth–length relationship ... modelled (Foote, 1991). In the case of zooplankton, due to the complexity of the scatter- ing processes ... , the acoustical estimates rely on the best aspects of both approaches. In recent decades, large ... predict the TS of Antarctic krill (Euphausia superba) for use in the acoustic echo­integration method ... seasonal variability of krill in the area of investigation. In a multifrequency context, the girth–length ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Autor(es): Calise, L. and G. Skaret

6. Book review: Fish and Fish Resources of the Antarctic

   and commercial fishing in Antarctic waters. This led to international cooperation in the study of ... Antarctic Research), and later, after the coming into force of the Convention on the Conservation of ... Paper Title:  Book review: Fish and Fish Resources of the Antarctic Abstract / Description:  This ... work by K.V. Shust (Doctor of Biological Sciences), published in 1998, remains fairly unknown beyond a ... I Brief essay of the Antarctic ichthyofauna Chapter I1 Fish distribution in Antarctic waters 1 ... to international cooperation in the study of Antarctic bioresources, firstly by individual groups ... into force of the Convention on the Conservation of Antarctic Marine Living Resources, under the ... productivity and the fish species which dominate them in terms of abundance and biomass. A significant ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Autor(es): Shust, K.V

7. Management and uncertainty: the example of South Georgia

   to consider ways in which CCAMLR can improve its ability to take decisions in the face of uncertainty ... uncertainty. The question is addressed specifically in terms of the fishery of Notothenia rossii around South ... Paper Title:  Management and uncertainty: the example of South Georgia Abstract / Description ... :  Decisions on fishery management are often made with some degree of uncertainty in scientific advice. Such ... effects of proposed changes in the methods or levels of harvesting and proposed conservation measures ... which CCAMLR can improve its ability to take decisions in the face of uncertainty. From an ... with uncertainty. The question is addressed specifically in terms of the fishery of Notothenia ... the stock of Notothenia rossii is at an extremely low level. Proposals have been made in both the ...

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

8. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   spatially resolved annual catch limits in response to estimates of the state of the system. It suggests that ... Control of the Antarctic krill fishery Abstract / Description:  CCAMLR aims to develop a feedback approach ... whether a feedback approach is likely to achieve the multiple objectives that EBM implies in the complex ... Control (MPC) to achieve objectives for a harvested species, its predators and the fishery, in a ... shows a wide dispersion of trajectories around the mean (target) state. Predator biomasses in areas 1 ... probability specified in objective (i) and the mean steady-state catch level. The steepness of the curve at ... activities (dis- tribution and level of krill catch and/or research) in response to the state of monitored ... objectives that EBM implies in the complex and uncertain conditions typical of Antarctic marine ecosystems ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon

9. An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data

   biological data submitted by scientific observers on board vessels in the fishery. Results of a Leslie ... of toothfish at the scale of individual fishing grounds in the 2004/05 and 2005/06 seasons. This ... species in catches in one ground for the first time. Incomplete reporting of biological information for by ... assessing the status and stock structure of Dissostichus spp. in this area. The potential for similar ... longline fishing event. The dis- tribution of mean fish weights in hauls was com- pared between seasons and ... of biological data submitted by scientific observers on board vessels in the fishery. Results of a ... for depletion of toothfish at the scale of individual fishing grounds in the 2004/05 and 2005/06 ... surveys, would greatly assist with assessing the status and stock structure of Dissostichus spp. in this ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Autor(es): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara

10. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

    . The annual proportions of krill less than 36 mm in length to the total captured in net samples in four ... the annual size distributions of krill in penguin diets. Simulations with either no fishing, or with ... proportional recruitment of krill. In this study, krill sampling data for empirical size frequencies were ... supplied to the GYM as the ‘vector of recruitments’ input option to simulate the population dynamics of ... The annual catch of Antarctic krill (Euphausia superba) in the Scotia Sea (FAO Statistical Subareas ... potential for additional increases in catch. The total precautionary catch limit of 8.6 million tonnes for ... fishing has occurred mainly in Area 48, where about 28% of the Antarctic krill stock is esti- mated to ... . The annual proportions of krill less than 36 mm in length to the total captured in net samples in ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Autor(es): Kinzey, D., G. Watters and C.S. Reiss

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