Search results
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Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
and resourcefulness during and after the fire on board. We also honour the memories of those who died: Capitan ... could save the lives of 30 300 albatrosses and enable fishermen to save $4.9 million in bait lost ... was lost during setting. Observations were made during both setting and hauling. Information was recorded ... on a single line was 34, giving a maximum rate of 3.12 birds/l 000 hooks laid. Some baits were lost during ... Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides around ... eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty ... petrels (Procellaria aequinoctialis); the four day sets contributed 85% of deaths, with giant petrels ... birds/1 000 hooks. Mortality and interactions of birds with operations varied with site and time of day ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Beyond MSY: a consideration of definitions of management objectives
and industry. In later years it has come under increasing criticism. Economists have felt that it does ... correspondence to the behaviour of resources under exploitation. In the 1950s and 1960s it served a very useful ... thought of in two parts. For the first few months or years of life, as eggs, larvae or juveniles ... ' but if environmental conditions are varying there is no unique rate of fishing that gives GNAI. Good recruiting year ... Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... recruitment or growth overfishing. Account also needs to be taken of the uncertainties associated with any ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Author(s): Gulland, J.A.
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
Paper Title: Variations in condition indices of mackerel icefish at South Georgia from 1972 ... Georgia shelf, Antarctica, and have been fished commercially since the early 1970s. They are known to feed ... Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997 ... , and have been fished commercially since the early 1970s. They are known to feed predominantly on krill ... . Year ct FUSE CEPE MAPE Nov Dec Jan Feb Mar Trip Surv Meal S Meal S Comparison of Condition Index ... affected by poor conditions early in the season followed by more favourable feeding conditions later ... IN CONDITION INDICES OF MACKEREL ICEFISH AT SOUTH GEORGIA FROM 1972 TO 1997 I. Everson %3 British Antarctic ... the early 1970s. They are known to feed predominantly on krill. An index of condition which uses the ratio ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Author(s): Everson, I. and K.-H. Kock
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
the same region, but several years later, as is the case with the Frolkina and Dorovskikh (1991) results ... in the 1960s and large-scale catches have been reported from 1970 onwards. Everson (1978) indicates ... of 0.55) and 0.35 (from SC-CAMLR, 1988) should be used. The following year the information in Frolkina ... from 1972 used to devise a separate age composition for each of the four seasons 1964/65, 1966/67 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Author(s): Everson, I
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
died dt~ring the ex- periment (8%), while a lower proportion were 'lively' (63%). Control crabs ... ~~ reopI7lkI. npo~hlCn0Bhle YqaCTKM KBK nOKZl?aHhl Ha PMC. l . TaGn. 2: Bhrnon Di,c.~o,\tichu,c eleginoicler ... to the pot interior. A drawstring held the bottom mesh together in the middle. This allowed pots ... . pots using biodegradable string to ensure that crabs could escape from gear lost during hauls ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Author(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
determined by satellite tracking using the ARGOS system. Birds were tracked over four foraging trips (two ... females and four males) during the incubation period (November to December 1991) and 17 trips (four ... trips to the continental shelf break (1 000 m isobath) approximately 110 km distant at its closest point ... the ARGOS system. Birds were tracked over four foraging trips (two females and four males) during ... trips of between two and three weeks. Later in January/February both parents are required to forage ... by satellite tracking using the ARGOS system. Birds were tracked over four foraging trips (two females ... and four males) during the incubation period (November to December 1991) and 17 trips (four females ... and two males) throughout January 1992 when birds were feeding chicks. Most birds made foraging trips ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Author(s): Kerry, K.R., J.R. Clarke and G.D. Else
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
has yet to be decided (Constable et al., 2000), although advances have been made in recent years 011 ... and predators. However, little work has bee11 undertaken since the early development of such models ... of the year, and (iii) the potential interannual variation in krill abundance and how it affects predators ... the lost production of krill (i.e. if the predator switches diet and the new prey species has used ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
location and timing of spawning and the probable early life-history characteristics of toothfish, the drift ... the Ross Sea shelf; or eastwards with the eastern Ross Sea gyre, settling out along the continental slope ... and the probable early life-history characteristics of toothfish, the drift of eggs and larvae over a 6–24 ... with the eastern Ross Sea gyre, settling out along the continental slope and shelf to the east of the Ross Sea ... to the north of the Ross Sea (SSRU 881C), whilst the fifth was recaptured a dis- tance of 2 300 km ... depth of 146 m, these red floats take about two years to reach the continental shelf at the eastern ... region are reviewed. Based on the presumed location and timing of spawning and the probable early life ... with the eastern Ross Sea gyre, settling out along the continental slope and shelf to the east of the Ross Sea ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Author(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Environment–krill relations in the South Georgia marine ecosystem
expressed strongly in years of extreme conditions. The correlation with water temperature was more ... expressed strongly in years of extreme conditions. The correlation with water temperature was more ... on the mainly early season fishing between January and June (Figure 3b). These years showed a steady decline ... components were only expressed strongly in years of extreme conditions. The correlation with water ... ~I. O A H ~ K O UMeeTCR Man0 MCTOPMYCCKMX 3KOnOrUYeCKWX HaHHblX QnR OqeHKM 3 ~ 0 f i M3MeHqHBOCTI4, II ... environment. Mackintosh (1972) drew attention to the correlation between the size of the scientific ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Author(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Problems of population age structure determination of Euphausia superba Dana using an example from the Antarctic Peninsula area and adjacent waters
- OBCKliH ,D;peH~ (Marr, 1962, Mackintosh, 1972). 9TH BO,D;bI, ClinDHO MeaH,n;plipyromlie, COCTaBnmOT ... 60nee Me~neHH@H pOCT. ~.Mapp (1962) C~HTan, ~TO B npHMaTepHKOBhlX MOPRX E.superba Tpe6yeTcfl npHMepHo ... H.A.MaKHHTollieM (1972), KOTOPHH nOKasan TaK~e BOSMO~HOCTb Me~reHepa~HoHHHX BapHa~HH TeMnOB pOCTa. Ero ~aHHHe ... C ~y rOM: JIHqEHKH, MOJIO~b H BSpOCJI@eOCOOH (Fraser,1936, Bargman, 1945, Marr, 1962,Mackintosh ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 227-270 : Author(s): Spiridonov, V.A.