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1. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   highlights how: CCAMLR Science, Vol. 20 (2013): 139–151 139 PRECAUTIONARY SPATIAL PROTECTION TO ... mass loss is iceberg calving. Typically, a shelf front will extend forward and it may be years or ... of the George VI ice shelf (67.840°W 71.692°S) which lost ~993 km2 over a number of years between ... volume of deep water in Pine Island Bay has increased in recent years. Faster basal melting under the ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Автор(ы): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

2. Target strengths of Antarctic krill (Euphausia superba)

   kHz TS (dB} at 120 kHz Event Mean no. - no. 1 7 1 9 20 26 28 30 36 37 43 47 50 52 54 ... SC-CAMLR-VII/BG/30 TARGET STRENGTHS OF ANTARCTIC KRILL ... crustaceans convinced the authors of the need to perform all measurements on the animal of interest, E ... object animal by laboratory measurements of density and longitudinal sound speed, among others, 266 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Автор(ы): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote

3. Status of krill target strength

   aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... on both animal size and transmit frequency, notwithstanding admitted shortcomings. Some recent single ... -animal measurements of target strength for live euphausiids and euphausiid-related species, made under ... number density were performed at 30 and 20 kHz. Measurements at 30 kHz were performed near Bouvet Island ... effects discussed earlier in this article and differences in animal type), the structure exhibited in the ... should not be affected by a frequent cause of bias in single-animal measurements, namely thresholding ... . The theoretical estimates show a non-monotonic dependence of target strength on both animal size and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Автор(ы): Foote, K.G., D. Chu and T.K. Stanton

4. Factors to consider in developing management measures for krill

   year to year. The various techniques used to estimate the abundance of animal populations also give ... conservation objectives of the Convention are being met. 2. OBJECTIVES OF CCAMLR 176 The general ... objectives of CCAMLR are given in Article IT of the Convention as follows: "1. The objective of this ... robustly, thus allowing the degree to which objectives are met to be assessed. When subsidiary objectives ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Автор(ы): de la Mare, W.K.

5. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   year, depending on how many of the previous three years' CPUE values fall below a target level of ... prevent the expected lowest biomass of krill over a 20-year harvesting period from falling below 60% of ... for the simulation testing of procedures, and an operational definition of CCAMLR Article II to ... purposes. A provisional operational interpretation of Article II is proposed: the primary objective is to ... ) Average annual catch over 20 years: Cav (objective n.). (ii) Catch in twentieth year: C20• 197 ... the management procedure. TAC in year y. Average annual catch over the first 20 years of operation ... (ill) Biomass after 20 years relative to average unexploited biomass: BzlK. (iv) Lowest biomass ... during 20 years, relative to average unexploited biomass: (BIK)min (objective I.). (v) Average annual ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Автор(ы): Butterworth, D.S.

6. Archival and satellite-linked data recorders

   recorders are deployed on freely swimming animals and gather data on aspects of an animal’'s diving ... animal of interest and subsequently recovered together with the stored data, and Satellite-linked ... aspects concernant la conduite de plongee d'un animal. Les enregistrements peuvent etre recuperes de ... sobre los aspectos del comportamiento de zambullida de un animal. Los registros pueden ser recuperados ... Recorders, wherein the instrument is attached to an animal and data recovery and/or geolocation are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Автор(ы): Hill, R.D.

7. Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia

   the given harvest control rule to set a two-year total allowable catch (TAC). One issue is the ... Length (cm) 10 20 30 40 50 60 Figure 1 ... - aggregated (right). 2009 survey Length (cm) D en si ty 10 20 30 40 50 10 20 30 40 5010 20 30 ... 40 50 30 20 10 0 30 20 10 0 (a) D en si ty 20 15 10 5 0 2009 survey Length (cm) 10 ... 20 30 40 50 (b) Hillary et al. 134 In equation (6) the ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Автор(ы): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew

8. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ... - recruit relationship was used. 0 20 40 60 80 100 120 Time (years) Figure 8: Prevalence and spawning ... animals only. The sensitive stock- recruit relationship was used. 0 20 40 60 80 100 120 Time (years ... that an animal is capable of breeding successfully, whereas morphological maturity means that the ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Автор(ы): Basson, M

9. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   - E a, f F 0 8 6 -5 -10 -1 5 -20 3 4 5 6 7 8 9 Age (years) Olsen Frolkina Kock ... . The age/length key from 1972 was obtained from a period several years after large-scale fishing ... recruited at age 3 years. Using the assumption that fish are fully recruited to the fishable population ... by age 3 years, the annual survivorship has been estimated (Table 1 and Figure 2). The mean and 95 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Автор(ы): Everson, I

10. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

    conservatively estimated subarea biomass in up to 20% of years due to high variability in krill biomass indices ... recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... 1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... subarea has also had its own catch limit, between 0.093 and 0.279 million tonnes year –1, since 2009 ... catch limits exceed 9.3% of conservatively estimated subarea biomass in up to 20% of years due to high ... biomass (i.e. the total weight of reproductively mature individuals) after 20 years of fishing should ... for 20 years would reduce the krill stock by 2% (SC-CAMLR, 2011). Clearly, any significantly greater ... such as these. Multi- decadal series (30 to 40 years of data) (Henson et al., 2010) or parallel series ...

    Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Автор(ы): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

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