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1. Selectivity of commercial and research trawls in relation to krill

   trawl catches krill length composition hardly varied at all. Statistical analysis of catches showed that ... Paper Title:  Selectivity of commercial and research trawls in relation to krill Abstract ... / Description:  This paper describes the results of fishing a single krill aggregation with a commercial trawl ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... catches krill length composition hardly varied at all. Statistical analysis of catches showed that when ... catching zone of the IKMT begins immediately at the trawl mouth. The trawl opening (7 m2) is maintained ... equipment as a field of swarms. At night krill were concentrated in the upper depth layer of 0 to 40 m ... distributions in catches made by the two types of trawl was estimated at a probability P(A) = 0.95 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Автор(ы): Kasatkina, S.M

2. A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems

   operates should be related to the scale of VMEs, presently unknown. However, management at the level of ... Paper Title:  A risk-management framework for avoiding significant adverse impacts of bottom ... measure in 2007 to ensure that significant adverse impacts of bottom fishing gear on Vulnerable Marine ... Ecosystems (VMEs) are avoided. Due to the high levels of uncertainty surrounding both the evidence of VME ... be related to the scale of VMEs, presently unknown. However, management at the level of fine-scale ... were in force at that time (CCAMLR, 2006, paragraph 11.38). In 2007, noting the requirements of UNGA ... so na r V er y hi gh R eq ui re s va lid at io n of ac ou st ic s ig na tu re ... of a ss oc ia ti on * Sp ec ie s as so ci at io ns w it h co ld - w at er c ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Автор(ы): Martin-Smith, K

3. Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*

   available nesting habitat in 1987. For the same reason, at least in part, other species of breeding seabirds ... Paper Title:  Surveys of breeding penguins and other seabirds in the South Shetland Islands ... , Antarctica, January-February 1987* Abstract / Description:  Surveys conducted as part of the Antarctic Marine ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and Antarctic ... complete coverage of available nesting habitat in 1987. For the same reason, at least in part, other ... - 449 - SC-CAMLR-VI/BG/19 (WG-CEMP-87/6) SURVEYS OF ... * W.D. Shuford and L.B. Spear1 (USA) Abstract Surveys conducted as part of the Antarctic Marine ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Автор(ы): Shuford, W.D. and L.B. Spear

4. 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 ... conservation measures, lines were set at night, weights (6-7 kg) were set at 50 m intervals along the line, all ... carried two weights of c. 6 to 7 kg at a c. 50 m interval, one half-way along and the other at the end ... hook placed through its head. Surface buoys were placed at either end of the longline. All setting ... which the observer made at least two 10-minute observations of general bird activity at half-hour ... upper deck above the setting hatch at the stern of the vessel. As lights were extinguished during ...

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

5. A simple approach for calculating the potential yield of krill from biomass survey results

   relative values of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance ... Paper Title:  A simple approach for calculating the potential yield of krill from biomass survey ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance ... and the extent of recruitment variability, as well as on the age-at-first capture, and Beddington and ... = 0.45 yr"l. The values of length-at -age at the start of the season corresponding to these estimates ... the entries in this Table are shown as "(1.00)". For the "base case" choice of identical ages at ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Автор(ы): Butterworth, D.S., A.E. Punt and M. Basson

6. Determination of Antarctic krill acoustic back-scattering cross-section

   obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency of ... Paper Title:  Determination of Antarctic krill acoustic back-scattering cross-section Abstract ... / Description:  When determining the density krill of concentrations it is necessary to know the acoustic cross ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency ... ) established the dependence of acoustic back-scattering on the length : where Lk A aT{ object length ... adrift were measured for dispersed krill at dusk and night time. In all, five series of measurements ... investigators measured the target strength of krill under laboratory conditions (Kalinovski et al 1979). At ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Автор(ы): Protaschuk, V.A. and T.A. Lukashova

7. Observation of seabirds in the Southern Ocean in 1988/89

   Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... Paper Title:  Observation of seabirds in the Southern Ocean in 1988/89 Abstract / Description ... :  This paper examines the numerical and species distribution of birds in the sub-Antarctic area of the ... ports of call. Maps summarize the distribution of 14 bird species as well as of the individual species ... visibility, type of precipitation and ice cover, which have a direct impact on bird behaviour. At the end of ... the observation the maximum number of birds of each species sighted at one time during a particular ... . The number of birds at the ice massif generally did not exceed 10 individuals (between 600 S, 11°W ... observations put their numbers at 50 specimens. A more even distribution of birds was typical for the area ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Автор(ы): Vagin, A.V. and V.V. Popov

8. A hybrid approach to acoustic classification and length estimation of krill

   components are the mean ratios of the volume backscattering coefficients, measured at two different ... Paper Title:  A hybrid approach to acoustic classification and length estimation of krill Abstract ... / Description:  The problem of acoustically identifying and estimating the sizes of two euphausiid species is ... individually for each component of a vector, using classical Bayesian techniques. Classification probabilities ... mean ratios of the volume backscattering coeffi cients, measured at two different frequencies. The ... each of the organisms in the dominating sound-scatter volume at the frequency j if f ; • km = (2π/c ... r m fj frf k aΔ ≈ . The model has the shape of a two-state low- pass fi lter with the two bends at ... - ing a low value at the second bend. Thus to have a reliable value of afj / fi , Δfj / fi should be ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Автор(ы): Azzali, M., I. Leonori and G. Lanciani

9. Characteristics of krill swarms from Prydz Bay

   Paper Title:  Characteristics of krill swarms from Prydz Bay Abstract / Description:  The ... CCAMLR.AUS dataset available to the Subgroup on Survey Design was derived from a survey of Prydz Bay ... inter-swarm length were calculated for swarms of euphausiids encountered along a 78 km transect over the ... continental shelf close to the CEMP study site at Magnetic Island. The euphausiid species was probably ... at a frequency of 120 kHz using a hull mounted transducer. The echo sounder was fully calibrated ... radius of a predator monitoring site at Magnetic Island, even though they relate to E. crystallorophias ... WG-KRILL-91/7 CHARACTERISTICS OF KRILL SWARMS FROM ... Subgroup on Survey Design was derived from a survey of Prydz Bay, Antarctica, in December 1990. Swarm ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Автор(ы): Agnew, D.J. and I.R. Higginbottom

10. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

    877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in the ... Paper Title:  Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South ... Georgia in January/February 1991 Abstract / Description:  The diet composition and feeding intensity of ... final maturation of the gonads. File:  02-Kock-et-al.pdf ... analysed in 3 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in ... with the exception of four stations at least 40 individuals per haul. Stomach fullness was estimated ... . Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976 ... WG-FSA-91/29 FOOD AND FEEDING OF THE MACKEREL ICEFISH ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Автор(ы): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

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