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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... -1986/87 Abstract / Description: The swept area method was used to estimate biomass density changes in ... the stocks of five fish species (Champsocephalus gunnari, Chaenocephalus aceratus, Pseudochaenichthys ... georgianus, Notothenia gibberifrons and Notothenia rossii marmorata) in the South Georgia area in the seasons ... the biomass density of C. ~ari stock. High biomass aensity appeared with ~year intervals after ... . Slosarczyk Sea Fisheries Institute, Gdynia, Poland 1. INTRODUCTION Beginning with the second half of ... in most of the subdivisions was especially visible after the 1981/82 season (Table IV, Figure 5 ... , beginning with 1985/86, young fish with lengths of 34-40 cm reappeared in the catch. In the last season ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Autor(es): Mucha, M. and W. Ślósarczyk
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
with that of females. Although both species had low masses on arrival after the El Niño Southern ... Paper Title: Breeding numbers and success of Eudyptes penguins at Marion Island, and the ... , there was substantial correlation in the numbers of adults breeding at study colonies of macaroni ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ... correlated with that of females. Although both species had low masses on arrival after the El Niño Southern ... island. A lookout was kept for returning birds from about the beginning of October in each season ... /05 28 Oct 100 3 Nov 100 19 Feb 250 Crawford et at. 180 rockhopper penguins from about the end ... ). After 1994/95, once the colony at Trypot Hole had fallen below 70 pairs, it continued to decrease ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Autor(es): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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Migrations of Antarctic fish Pseudochaenichthys georgianus Norman, 1939 in the Scotia Sea
get warmer. Finally at the end of Scotia Arc Islands- at South Orkney, P. georgianus are large with ... reason to follow after krill driven to the East to deep open Scotia Sea. In vast Antarctic Zone, enlarged ... large pelagic sea. After spawn young postlarvae swim upstream to the West, to the deep and cold waters ... Abstract: The material obtained between 1986 and 1991 has allowed to study the pattern of ...
Meeting Document : WG-FSA-12/68 Rev. 1 : Autor(es): R. Traczyk (Poland)
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
in the beginning of the period with gradual subsequent decrease to the level inacceptable to the ... fleet (2.5 t/hour) in the next to the last five days of November. After disintegration of that ... Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... during 1989/90 season (totally 3614 hauls for the period from 1.11.1989 to 12.06.1990 are presented ...
Meeting Document : WG-EMM-97/50 : Autor(es): Sushin, V.A.
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Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)
variability in the scale of krill swarms and to attempt to determine more reliable values of its biomass after ... krill biomass for the area. It was therefore only possible to begin to explain the reasons for the ... Paper Title: Distribution, biomass and characteristics of the Euphausia superba fishery around ... South Georgia (Subarea 48.3) Abstract / Description: Krill distribution in the South Georgia area and ... in the scale of krill swarms and to attempt to determine more reliable values of its biomass after a ... (Maslennikov, 1978; Makarov et al., 1980; Fedulov et al., 1984). After being carried along by the drift into ... and sink to deeper layers. After a time, however, the situation returns to its initial condition ... determine the more reliable values of its biomass after a large number of census surveys had been conducted ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Autor(es): Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... and are thus not adequately protected unless direct photographic evidence is available. To this end a ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ...
Meeting Document : WG-EMM-12/51 : Autor(es): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides at the ... involving the setting and hauling of longlines to catch the toothfish Dissostichus eleginoides around the ... increased rapidly after dawn and large numbers of Cape, giant and storm petrels and smaller numbers of white ... of the seabirds present presumably originated from South Georgia populations; however wandering and ... first mate after the end of each haul. Ashford et a1 RESULTS Incidental Mortality No ... two hatches at the stern of the ship, where each coil was paid out after being weighted and tied to ... , after three sets using the streamer line, the plastic streamers were showing evidence of wear. The ... albatrosses (Diomedeiz melanophris) were present at the end of the two sets which overlapped with the early ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ... Abstract: This paper outlines the difference in fishing patterns between regions (Subareas) and ... leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ...
Meeting Document : WG-EMM-07/27 : Autor(es): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
whales occur during May at the start of the season with the sightings becoming fewer towards the end of ... Paper Title: Estimating the impact of depredation by killer whales and sperm whales on longline ... data collected on longliners between 2003 and 2009 were analysed to look at the levels of depredation ... , and often appear to actively seek out fishing vessels and ‘strip’ the line of a large number of ... the start of the season with the sightings becoming fewer towards the end of the season in August ... end of the season; over the seven years, 27% of observed sets have been set in May, 26% in June and ... at the start of the season in the east and at the end to the west, which could imply that the ... , following the Antarctic ridge and arriving at South Georgia from the east at the beginning of May ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Autor(es): Moir Clark, J. and D.J. Agnew
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Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)
, using F regression on fishing effort and using average weighted F. Prior to the beginning of fishery N ... Paper Title: Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks ... -1987/88 were used to analyse N. guntheri stock status. On the basis of these data using VPA method with ... . guntheri abundance was estimated as 227 thousand tonnes (using all the above mentioned methods). For 1986 ... fishing effort and using average weighted F. Prior to the beginning of fishery N. guntheri abundance was ... TAC ESTIMATION IN THE AREA OF SHAG ROCKS (SUBAREA 48.3) K. Shust and R. Borodin Abstract Data ... . guntheri stock status. On the basis of these data using V P A method with different adjustments stock ... estimated as 227 thousand tonnes (using all the abovementioned methods). For 1986/87 the figure was only ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Autor(es): Shust, K. and R. Borodin