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Homogeneity of body length composition of Antarctic krill within the commercial zone
Paper Title: Homogeneity of body length composition of Antarctic krill within the commercial zone ... Abstract / Description: The homogeneity of krill (Euphausia superba) length composition in commercial ... trawl catches (hauls) was investigated by comparing length compositions from different parts of the same ... haul. There was no significant difference (P >0.5) in 53 out of 60 hauls. Therefore it is concluded ... WG-KRILL-90/ll REV.l HOMOGENEITY OF BODY LENGTH ... COMPOSITION OF ANTARCTIC KRILL WITHIN THE COMMERCIAL ZONE T.Ichii* Abstract The homogeneity of krill ... length compositions from different parts of the same haul. There was no significant difference (P>O.OS ... ) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the haul provides a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Autor(es): Ichii, T.
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Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87
Paper Title: Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR ... in 1978/79, 1981/82 and 1986/87 Abstract / Description: Trawl selectivity for several species of ... different characteristics of experimental codends, length frequency distribution of stocks sampled, catch ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ... SC-CAMLR-VIII/BG/20 Rev. 1 EVALUATION OF THE RESULTS OF ... , E. Balguerias, K. Shust and S. Iglesias Abstract Trawl selectivity for several species of ... different characteristics of experimental codends, length frequency distribution of stocks sampled, catch ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Autor(es): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Paper Title: Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... Peninsula area), 1980/81–1999/2000 Abstract / Description: Inter- and intra-annual variability of ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... . Trawling positions seemed to be primarily governed by the distribution of larger mature krill, especially ... CCAMLR Scie~~ce, Vol. 8 (2001): 25-36 ANALYSIS OF ... KRILL TRAWLING POSITIONS NORTH OF THE SOUTH SHETLAND ISLANDS (ANTARCTIC PENINSULA AREA), 1980181 ... -199912000 S. Kawaguchim and K. Segawa National Research Institute of Far Seas Fisheries 5-7-1 Orido ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Autor(es): Kawaguchi, S. and K. Segawa
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
Paper Title: Size and density of krill layers fished by a Japanese trawler in the waters north of ... Livingston Island in January 1988 Abstract / Description: The size and density of fishable krill layers in ... the northern waters of Livingston Island were determined during the co-operative survey carried out by ... RV Kaiyo Maru and a Japanese trawler. The mean values of layer length, thickness and surface density ... WG-KRILL-89/6 SIZE AND DENSITY OF KRILL LAYERS FISHED ... BY A JAPANESE TRAWLER IN THE WATERS NORTH OF L1VINGSTON ISLAND IN JANUARY 1988 Y. Endo and Y ... . Shimadzu Abstract The size and density of fishable krill layers in the northern waters of Livingston ... trawler. The mean values of layer length, thickness and surface density were 3.25 km, 13.3 m and 228.0 9 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Autor(es): Endo, Y. and Y. Shimadzu
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
Paper Title: Measurements of differences in the target strength of Antarctic krill (Euphausia ... superba) swarms at 38 kHz and 120 kHz Abstract / Description: Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... experimental work on the target strength of encaged E. superba at 38 and 120 kHz but are in major conflict with ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... TARGET STRENGTH OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) SWARMS AT 38 KHZ AND 120 KHZ I. Hampton ... * * Abstract Differences in the target strength of adult (36 to 60 mm) Antarctic krill (Euphausia superba ... ) at 38 and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Autor(es): Hampton, I.
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On assessment of Bertalanffy growth equation parameters and instantaneous natural mortality rate of South Georgia mackerel icefish
Paper Title: On assessment of Bertalanffy growth equation parameters and instantaneous natural ... mortality rate of South Georgia mackerel icefish Abstract / Description: An analysis and summary of ... extensive published and unpublished data on size-weight and size-age composition of South Georgia mackerel ... icefish (Champsocephalus gunnari) for 1965 to 1987 is presented. The results enable the calculation of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 29–36 : Autor(es): Frolkina, Zh.A. and R.S. Dorovskikh
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Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications for fisheries management in the Atlantic sector of the Southern Ocean
Paper Title: Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications ... for fisheries management in the Atlantic sector of the Southern Ocean Abstract / Description ... : Available information on key reproduction parameters of the mackerel icefish (Champsocephalus gunnari) has ... been reviewed and discussed in the light of existing conservation measures. Length at first spawning is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 51–68 : Autor(es): Kock, K.-H.
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
utilizing tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected ... ) the number of feeding trips made by an individual’'s mother during lactation. This analysis ... showed that between 1962 and 1981 the mean number of feeding trips made by female fur seals varied ... Paper Title: Long-term trends in the foraging patterns of female Antarctic fur seals at South ... tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected as ... number of feeding trips made by an individual's mother during lactation. This analysis showed that ... between 1962 and 1981 the mean number of feeding trips made by female fur seals varied markedly. From ... 1962 to 1979 there were several significant increasing and decreasing trends in the mean number of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Autor(es): Bengtson, J.L.
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
, foraging trip duration and diet suggests that the death of chicks during the guard stage was due to an ... all chicks died of starvation), when smaller meals were delivered and birds foraged further offshore ... Paper Title: Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 ... season Abstract / Description: This paper describes the diet and foraging behaviour of Adelie penguins ... 0.69 to 1.06 chicks crPched per nest. Evidence from analyses of foraging location, foraging trip ... frequency. These findings contrast with observations made in 1994/95 (a season in which all chicks died of ... smaller meals and The potential for human harvesting of krill to affect increased foraging trip ... /94, 1994/95,1995/96 and 1998/99) during the guard stage of chick rearing. Mean trip durations were ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Autor(es): Irvine, L.G., J.R. Clarke and K.R. Kerry
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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
95% US$47 302–153 745) for the whole fleet, with a mean loss per set of US$138 (CI 95% US$74.76–249.3 ... Paper Title: Operational interactions of sperm whales and killer whales with the Patagonian ... toothfish industrial fishery off southern Chile Abstract / Description: Interactions of sperm whales ... industrial fishing vessels between April 2002 and March 2003. For the 180 hauls monitored, the evidence of ... , leading to damage to or loss of gear (Ashford et al., 1996). For the reasons outlined above, the Chilean ... heads and 3 trunks were recovered which suggests the loss of at least 140 toothfi sh in the portions ... Most interactions with whales occurred along the middle of the Pacifi c-South American continen- tal ... . Financial loss Taking into account the observations on the total amount of damaged fi sh, the fi nancial ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Autor(es): Hucke-Gaete, R., C.A. Moreno and J. Arata