Search results
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Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment
method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission ... on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest failure ... between trip durations obtained by applying the transmitters to one or both members of a breeding pair ... trip duration in penguins by the CCAMLR (Commission for the Conservation of the Antarctic Marine Living ... with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the Conservation ... on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest failure ... between trip durations obtained by applying the transmitters to one or both members of a breeding pair ... that attaching radio transmitters led to a significant increase in the duration of foraging trips of chinstrap ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Author(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
the highest in the west, south and south-east shelf areas and the greatest abundance was found in shallow ... mm. Catches were the highest in the west, south and south-east shelf areas and the greatest abundance ... and south-east shelf areas and the greatest abundance was found in shallow waters of 100-200 m depth ... mackerel icefish were taken in the west, south and south-east shelf areas. Minimum catches were made ... station in a depth of 245-270 m, where the juvenile distribution was determined in the upper, middle ... mackerel icefish rarely occurred in the middle and surface layers during the 24-hour period. The day ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Author(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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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 ... 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 ... trips of between two and three weeks. Later in January/February both parents are required to forage ...
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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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
the coast of Valdivia, South East Pacific, are also taken into consideration. The data show that circle ... in longlines. Original data obtained during 1991 off the coast of Valdivia, South East Pacific, are also taken ... in longlines. Original data obtained during 1991 off the coast of Valdivia, South East Pacific, are also taken ... ling (Genypterus blacodes) as the target species (Gonzalez, 1962). In the late sixties, Pavez et al ... , the distribution area of this species includes the South East Pacific Ocean, covers the continental slope ... of a longline vessel which used fresh mackerel bait during five fishing trips. A comparison of CPUEs obtained ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.
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Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
Paper Title: Diet study of Antarctic toothfish caught in the east Antarctic based on stomach ... for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the east ... toothfish and the trophic relationship between the toothfish and other species in the east Antarctic using ... Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid ... toothfish (Dis- sostichus mawsoni) in the Ross Sea region. CCAMLR Science, 15: 35–53. Hanchet, S.M ... Science, Vol. 22 (2015): 29–44 29 Diet study of Antarctic toothfish caught in the east Antarctic based ... for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the east ... ., 2013; Kolts et al., 2013). Antarctic toothfish is abundant on the conti- nental slope of east ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Author(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
at breeding colonies; duration of first incubation shift; duration of adult foraging trips; breeding success ... at breeding colonies; duration of first incubation shift; duration of adult foraging trips; breeding ... this comprised nine male and 12 female foraging trips, and at the East colony it comprised 36 male and 32 female ... shift; • duration of adult foraging trips; • breeding success; and • chick fledging weight. Resume ... Secretariat and Convener ofCEMP. This report summarizes some preliminary data on various Adelie penguin ... ). This parameter is considered likely to be sensitive to variable food availability during the foraging trip ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Author(s): Whitehead, M.D.
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
implications of fish loss due to depredation, ecological implications such as the effect of unrecorded fish ... implications of fish loss due to depredation, ecological implications such as the effect of unrecorded fish ... their effectiveness. Apart from the obvious economic implications of fi sh loss due to depredation, ecological ... to the Prince Edward and Crozet Islands and Kerguelen (Yukov, 1972). Yukov (1972) reported that between ... Africa, observers have estimated toothfi sh losses due to depredation by killer whales to be as high ... are as follows: SR = Shag Rocks, NG = north South Georgia, EG = east South Georgia, SG = south South Georgia ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
reflected a mix of those to the east (generally small) and west (generally large). Krill density ... reflected a mix of those to the east (generally small) and west (generally large). Krill density ... -frequency dis- tributions to calculate krill target strength. CCAMLR Science, 8: 155–163. Reid, K., K.E ... to the east (generally small) and west (generally large). Krill density to the southwest of South Georgia ... per survey box. Geostatistical analysis of krill density distribution within the east and west ... without suffering loss of between-transect spa- tial information as compared to the original design ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
1000 1500 2000 0 10 20 30 500 1000 1500 2000 0 10 20 30 500 1000 1500 2000 In di v. 10 00 ... 1000 1500 2000 Mean depth (m) In di vi du al ... 130 140 150 160 170 180 190 In di v. Dissostichus eleginoides Dissostichus mawsoni In di vi du al s ... for females and 5.3–6.0 for males in the 2006/07 and 2008/09 seasons (Table 1). Discussion Yukhov (1972 ... Paper Title: Distribution and population structure of Dissostichus eleginoides and D. mawsoni on ... composition, sex ratio and sexual maturity of Dissostichus eleginoides and D. mawsoni from BANZARE Bank were ... shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation of the ... two species by depth may be related to physical intolerance to cooler temperatures because of the lack ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Author(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami
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Consideration of major issues in ecosystem monitoring and management
A5 Foraging trip duration 2 months 1–2 days 25–50 A6 Breeding success 2–3 months 100s A7 Chick ... trip duration 2–3 months Several days 20–100 C2 Pup growth 2–3 months 2–3 months 30–150 Calendar dateP ... ot en tia l r an ge fr om c ol on y Calendar date Foraging trip duration + Diet 1st ... characteristics to the availability of krill. At the one extreme, foraging trip duration refl ects the local ... Paper Title: Consideration of major issues in ecosystem monitoring and management Abstract ... / Description: This paper outlines the requirements of an ecosystem approach to the management of Southern ... availability of krill, variation in vital rates of the dependent species and the overlap between commercial ... means of CEMP. The overlap between fishing and predator foraging is being monitored. A mechanism for ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I