Resultados de la búsqueda
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Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review
Subarea 48.3 (South Georgia): a review Abstract / Description: The need to protect young fish and ... , and a strategy for the future protection of young fish and spawning aggregations of C. gunnari in ... Subarea 48.3 is considered. This comprises a combination of existing measures, including minimum mesh size ... and fish size, and a proposed new closed season from 1 March to 31 May. File: 04parkes.pdf ... FISH AND SPAWNING AGGREGATIONS OF CILAMPSOCEPHALUS G U W A R I IN SUBAREA 48.3 (SOUTH GEORGIA): A ... are re-examined in the light of new information, and a strategy for the future protection of young ... fish and spawning aggregations of C. gunnari in Subarea 48.3 is considered. This comprises a ... combination of existing measures, including minimum mesh size and fish size, and a proposed new closed ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Autor(es): Parkes, G.B
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
Paper Title: Observations of fishing operations on a krill trawler and distributional behaviour ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... a good index to measure abundance of a concentration. Comparison of such an index across time and ... OPERATIONS ON A KRILL TRAWLER AND DISTRIBUTIONAL BEHAVIOUR OF KRILL OFF WILKES LAND DURING THE 1985/86 ... SEASON T. Ichii (Japan) Abstract Japanese krill fishing operations were observed on board a ... time reflects within-swarm density, catch per day was thought to be a good index to measure abundance ... of a concentration. Comparison of such an index across time and space may prove difficult due to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Autor(es): Ichii, T.
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
Paper Title: A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... fishes. According to a preliminary estimate, the yearly consumption of zooplankton by Electrona ... trophic system and are consumers of the second order. Myctophids play a major role as producers ... CCAMLR Science, Vol. 2 (1995): 71-77 A REVIEW OF THE ... demonstrate that this group of mesopelagic fish plays a significant role in the community of Southern Ocean ... . According to a preliminary estimate, the yearly consumption of zooplankton by Electrona carlsbergi ranges ... and are consumers of the second order. Myctophids play a major role as producers, supporting the ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Autor(es): Kozlov, A.N
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
Paper Title: A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma ... antarcticum) were sampled during a trawl survey in the Ross Sea, Antarctica. Biological data, including fish ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... were also derived for the sexes separately. Female Antarctic silverfish appear to reach a larger size ... Antarctic silverfish (Pleuragramma antarcti- cum Boulenger 1902) is a relatively small planktiv- orous ... (DeWitt, 1970; Guglielmo et al., 1998). Consequently, it is a key organism in the fish food web and a ... of a species is not complete without know ledge of its age and growth. Some information CCAMLR ... Science, Vol. 18 (2011): 75–86 75 A PRELIMINARY ASSESSMENT OF AGE AND GROWTH OF ANTARCTIC SILVERFISH ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Autor(es): Sutton, C.P. and P.L. Horn
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A balanced model of the food web of the Ross Sea, Antarctica
Paper Title: A balanced model of the food web of the Ross Sea, Antarctica Abstract / Description ... : A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... base. A survey of the available literature and both published and unpublished data provided an initial ... , and a method is described to adjust the initial parameter set to give a balanced model, taking into ... CCAMLR Science, Vol. 17 (2010): 1–31 A BALANCED ... A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... the base. A survey of the available literature and both published and unpublished data provided an ... consistent, and a method is described to adjust the initial parameter set to give a balanced model, taking ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Food consumption by predators in a CCAMLR integrated study region
Paper Title: Food consumption by predators in a CCAMLR integrated study region Abstract ... / Description: A detailed description of the structure and mode of operation of a model for estimating food ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... SC-CAMLR-IX/BG/16 FOOD CONSUMPTION BY PREDATORS IN A ... CCAMLR INTEGRATED STUDY REGION J.P. Croxall*, C. Ricketts** and A.G. Wood* * ** Abstract A ... detailed description of the structure and mode of operation of a model for estimating food consumption of ... seabird predators is provided. This model is a development of earlier ones used in the South Georgia ...
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
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
Paper Title: A post-processing method to remove interference noise from acoustic data collected ... of the vessels. A simple method to remove significant interference noise was introduced based on ... the method was demonstrated by applying it to the acoustic data at 38, 70 and 120 kHz collected from a ... the utility of fishing-vessel-based acoustic data for a range of objectives. File: Wang et al.pdf ... Science, Vol. 23 (2016): 17–30 17 A post-processing method to remove interference noise from acoustic ... the acoustic instruments found on some of the vessels. A simple method to remove significant ... data at 38, 70 and 120 kHz collected from a Chinese krill fishing vessel. Results show that the ... . The method may provide opportunity to improve the utility of fishing-vessel-based acoustic data for a ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Autor(es): Wang, X., J. Zhang and X. Zhao
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
Paper Title: A composite recruitment index to describe interannual changes in the population ... structure of Antarctic krill at South Georgia Abstract / Description: A composite recruitment index based ... 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 ... CCAMLR Science, Vol. 6 (1999): 71-84 A COMPOSITE ... , Madingley Road Cambridge CB3 OET, United Kingdom Abstract A composite recruitment index based on ... differences, due in part to bias arising from a large number of krill in just one of the station net hauls ... %), while between 1994 and 1998 the number of l + krill found in the population increased with a very ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
, to the west of the South Orkney Islands, 24 March to 18 June 1990- based on data reported by a ... inside the fishing area. Each station consisted of a series of catches made using a standard commercial ... composition data obtained from standard surveys (only one sample of krill per station) is discussed. A gradual ... mortality of large specimens; (ii) body shrinkage of krill due to a decrease in food availability; and (iii ... 1990 - BASED ON DATA REPORTED BY A BIOLOGIST -OBSERVER A.V. Vagin, R.R. Makarov andL.L. Menshenina ... consisted of a series of catches made using a standard commercial trawl (9 to 12 tows per station, over ... (only one sample of krill per station) is discussed. A gradual decrease in the average size of krill ... ; (ii) body shrinkage of krill due to a decrease in food availability; and (iii) size selectivity of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
Paper Title: Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... Japanese krill fishery for the 1980/81 to 2003/04 fishing seasons were analysed. For a number of ... . The results strongly suggest that the krill fishery in the South Georgia area is operating at a ... analysis the status of fishing in Subareas 48.1 and 48.2 was not clear. A linear correlation was observed ... . 12 (2005): 1–28 ANALYSIS OF TRENDS IN JAPANESE KRILL FISHERY CPUE DATA, AND ITS POSSIBLE USE AS A ... krill fi shery for the 1980/81 to 2003/04 fi shing seasons were analysed. For a number of defi nitions ... . The results strongly suggest that the krill fi shery in the South Georgia area is operating at a ... this analysis the status of fi shing in Subareas 48.1 and 48.2 was not clear. A linear correlation was ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu