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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data Abstract ... / Description: Seasonal variation in the diurnal vertical migration and aggregation of Antarctic krill ... (Euphausia superba) associated with the daylight phase over the diurnal cycle (i.e. brightness categories ... ) was examined for the Scotia Sea (South Shetland Islands (SS), South Orkney Islands (SO) and South ... (Euphausia superba Dana) under the coastal fast ice off the Ongul Islands in Lutzow-Holm Bay, Antarctica ... AGGREGATION OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) IN THE SCOTIA SEA, USING JAPANESE FISHERY DATA K. Taki ... -ku, Shizuoka, 424-8633 Japan Email – takisan@affrc.go.jp Abstract Seasonal variation in the diurnal ... vertical migration and aggregation of Antarctic krill (Euphausia superba) associated with the daylight ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Autor(es): Taki, K., T. Hayashi and M. Naganobu
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
Paper Title: Status of the krill stock around Elephant Island in 1991/92 and 1992/93 Abstract ... / Description: Krill stock composition and distribution patterns in the vicinity of Elephant Island during the ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... CCAMLR Science, Vol. 1: 7-33 STATUS OF THE KRILL STOCK ... patterns in the vicinity of Elephant Island during the austral summers of 1991/92 and 1992/93 are ... described and compared with information from previous years. The general distribution of krill length and ... of the krill stocks in the Antarctic Peninsula region. The length frequency distributions and ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Autor(es): Loeb, V. and V. Siegel
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Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
activity across the Kerguelen Plateau. FRDC Report, No 2010/064 Yates et al (2018) Spatio-temporal ... Slide 1 An integrated stock assessment for the ... /img.py/5757.jpg?width=600&height=480 Overview 1. Introduction: The fishery in Division 58.5.2 2 ... 1. Introduction: The fishery in Division 58.5.2 • Adjacent to Patagonian toothfish fishery in ...
Document : Site Section: Meetings
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
Paper Title: A comparison between otoliths and scales for use in estimating the age of ... understanding the population dynamics and productivity of a fish stock. The use of scales to estimate age can ... whose age has been estimated using both scales and otoliths. We estimated the age of D. eleginoides ... ; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior ... continuous, revealing no discon- tinuous or segmented circuli associated with the usual scale criteria; and ... size consistent with the other scales; and (ii) no evidence of regeneration or resorytion. From the ... single replicate in each cell. The treatment and block effects are assumed to be additive, with no ... BETWEEN OTOLITHS AND SCALES FOR USE IN ESTIMATING THE AGE OF DISSOSTICHUS ELEGINOlDES FROM SOUTH ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Autor(es): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
Paper Title: Changes in biomass of eight species of finfish around the South Orkney Islands ... the South Orkney Islands (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989 ... /90. The biomass of several species of finfish has been monitored through scientific bottom trawl ... surveys within the 500 m isobath of the South Orkney Islands, most recently by the Federal Republic of ... problematic, mainly due to a very large catch at one station in the 250-500 m stratum and no catch at ... ras trospinosus Although there were no reported catches of C. rastrospinosus while the fishery in ... Due to its small size, L. larseni was the only species for which there was no reported catch while ... proportion of the total catch in all surveys. Kock et al. (2000) found no substantial differences in other ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Autor(es): Jones, C.D., K.-H. Kock and E. Balguerías
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Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
Paper Title: Movement, growth and available abundance to the fishery of Dissostichus eleginoides ... Patagonian toothfish (Dissostichus eleginoides) in different sectors of the Southern Ocean are considered to ... be genetically distinct. However, in the Indian Ocean, it is largely unknown whether stocks are ... separate between shelves and banks separated by deep water. More particularly, the separation of stocks on ... the same stock and there is no need to conduct separate assessments for each ground (Constable et al ... occur, but so far no such movement has been detected. All the fi shing grounds are located on the ... normally found on the grounds. No tagged fi sh have been recaptured in the French trawl fi shery near ... west of Heard Island respectively (Figure 1), or the Elan or BANZARE Banks to the south. No tagged ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Autor(es): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program Abstract / Description ... : A potential method is presented for combining data collected as part of the CCAMLR ecosystem ... monitoring program (CEMP) into a single index for each of predator, prey and environmental parameters. The ... paper is divided into four main parts. The first part develops the proposed method of forming summary ... been classified as anomalies may no longer be so classified with the addition of further anomalous ... from data for the years in which no data were missing. Lower bars intersecting the X-axis indicate ... ARISING FROM THE CCAMLR ECOSYSTEM MONITORING PROGRAM W.K. de la Mare Current Address: Marine and ... A potential method is presented for combining data collected as part of the CCAMLR ecosystem ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Autor(es): de la Mare, W.K. and A.J. Constable
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf Abstract / Description ... determine the age-length composition of mackerel icefish (Champsocephalus gunnari) from different parts of ... the South Georgia area. An analysis of the spatial distribution of C. gunnari size and age groups over ... the eastern, northern, western and southern parts of the shelf, and near Shag Rocks, revealed a ... effort over the shelf, there is no apparent migration of fish towards Shag Rocks. Fish older than 5 ... ) FROM DIFFERENT PARTS OF THE SOUTH GEORGIA SHELF G.A. Frolkina AtlantNIRO 5 Dmitry Donskoy Street ... of mackerel icefish (Chnnzpsoceplzalus g~~izllnrl) from different parts of the South Georgia area ... . An analysis of the spatial distribution of C. giirzrznri size and age groups over the eastern ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Autor(es): Frolkina, G.A
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ALLOCATION OF RESEARCH HAULS IN THE EXPLORATORY FISHERIES FOR DISSOSTICHUS SPP. IN SUBAREAS 48.6 AND 58.4 IN 2008/09
of Insung No.1 (SSRU 5841C) and Shinsei Maru No.3 (SSRU 5842A) where the setting of research lines ... Abstract: The Secretariat allocated research hauls for exploratory fisheries in Subareas 48.6 and ... 58.4 in 2008/09, following the Scientific Committee’s guidelines. Some modifications were required to ... account for SSRUs where fishing had not been previously reported, and SSRUs where the number of positions ...
Meeting Document : WG-SAM-09/06 : Autor(es): Secretariat
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A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
Paper Title: A review of the effectiveness of streamer lines as a seabird by-catch mitigation ... large degree on the precedent set by CCAMLR in 1991, the streamer line has become the primary, and most ... light of a review of existing literature and available data on the effectiveness of single and paired ... (or multiple) streamer lines. Research to determine the optimal streamer line design and configuration ... signifi cant reductions in the by-catch of seabirds using a single streamer line compared to no streamer ... effectiveness and requirements control of no deterrent in the Alaskan demersal sablefi sh (Anoplopoma fi mbria ... 100% compared to a control of no deter- rent over two years in the sablefi sh and Pacifi c cod fi ... , which proved highly effective and is made available to the fl eet at no cost, is made of an 8 mm (5/16 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Autor(es): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke