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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
Paper Title: Long-term trends in the foraging patterns of female Antarctic fur seals at South ... Georgia Abstract / Description: The number of feeding trips to sea made by female Antarctic fur seals ... during lactation may reflect the relative availability of local prey resources. Experimental work ... utilizing tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected ... -TERM TRENDS IN THE FORAGING PATTERNS OF FEMALE ANTARCTIC FUR SE!\LS AT SOUTH GEORGIA* 1 J.L ... . Bengtson (USA) Abstract The number of feeding trips to sea made by female Antarctic fur seals during ... lactation may reflect the relative availability of local prey resources. Experimental work utilizing ... tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected as ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Autor(es): Bengtson, J.L.
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
Paper Title: Some comments on the procedure for testing estimators of krill abundance which ... computer generation of krill distribution patterns, which are compatible with existing information on the ... concentrations; these concentrations are then located at random within the survey area. These ‘two-level’ models ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ... WG-KRILL-91/21 SOME COMMENTS ON THE PROCEDURE FOR ... computer generation of krill distribution patterns, which are compatible with existing information on the ... concentrations; these concentrations are then located at random within the survey area. These "two-level" models ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Autor(es): Butterworth, D.S., D.L. Borchers and D.G.M. Miller
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
Paper Title: An alternative method for estimating the level of illegal fishing using simulated ... effort is put forward. The results from this new method are similar to those of the Agnew and Kirkwood ... (2005) method, and this suggests that the current method is adequate under circumstances of low evasion ... and when good knowledge exists that zero observations reflect zero illegal fishing. The new method ... illegal fi shing in the area. If there has been no previous cruise, or if there has been no subsequent ... ille- gal fi sher has no knowledge of which area will be covered. Multiplying the above detection ... efforts (Dj), it will always produce a result of zero when there are no detections. One of the features ... ; • 50% coverage – this is the basic patrol schedule shown in Table 1. The illegal vessels arrived no ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Autor(es): Ball, I
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
Paper Title: Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the ... properties. Analysis of the benthic invertebrate megafaunal assemblages of shelf habitats within the Atlantic ... sector, from scientific survey trawl catches, reveals distributional patterns. For the northern Antarctic ... Peninsula and the South Shetland Islands, the data indicate a two-layered pattern based on standardised ... . However, it should be noted that there is no data between the three areas from the south to the east ... northwest shelf of the former. The greatest biomass of the region was recorded from a shallow bay (50–100 ... sampling conducted in this region for this study is no exception. Although the 2006 cruise off the ... this combined disturbance regime intensive enough to leave no refuge of high bio- mass along the main ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Autor(es): Lockhart, S.J. and C.D. Jones
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
Paper Title: A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross ... Sea region Abstract / Description: Aspects of the reproduction, size distribution and movements of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region are reviewed. Based on the presumed ... location and timing of spawning and the probable early life-history characteristics of toothfish, the drift ... and the egg development time There appear to be no published records of D. mawsoni eggs from ... ), no D. mawsoni less than 40 cm have been caught on the Ross Sea shelf or slope (O’Driscoll et al ... hypotheticAl life cycle for AntArctic toothfish (Dissostichus mawsoni) in the ross seA region S.M. Hanchet ... Atmospheric Research (NIWA) Ltd Private Bag 14901 Wellington, New Zealand Abstract Aspects of the ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Autor(es): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
Paper Title: The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... simulation model Abstract / Description: The methods, described in CCAMLR Conservation Measures, used for ... deciding the closure date for fisheries monitored by the Secretariat of CCAMLR, have been difficult to ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... to the last "NO" data points C (data point = catch/period) and calculates the change in catch rates ... C fitting this to estimate next catch level C ARREG(30) holds the latest reported catch C NO is ... this code fills up ARREG from the bottom with the latest "NO" catches DO 10 N=l,NO IF (N.LT.NO) THEN ... .-1.) THEN C the equation of the fitted line is Y=A+B(X) B=(NO*SUMXY-SUMX*SUMY)/(NO*SSUMX-SUMX**2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Autor(es): Agnew, D.J.
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
Paper Title: A possible framework in which to consider plausible models of the Antarctic marine ... management procedure for the krill fishery, including the evaluation of candidate management procedures in a ... simulation framework, using plausible models of the Antarctic marine ecosystem. This paper develops a ... framework for erecting such models. It discusses the general model requirements and presents a conceptual ... (2005): 99–117 99 A POSSIBLE FRAMEWORK IN WHICH TO CONSIDER PLAUSIBLE MODELS OF THE ANTARCTIC MARINE ... – andrew.constable@aad.gov.au Abstract CCAMLR is developing a management procedure for the krill fi shery ... , including the evaluation of candidate management procedures in a simulation framework, using plausible ... models of the Antarctic marine ecosystem. This paper develops a framework for erecting such models. It ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Autor(es): Constable, A.J
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Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
Paper Title: Mesopelagic fish of the Southern Ocean- summary results of recent Soviet studies ... a part of the general multi-disciplinary program of research on Antarctic biological resources ... . Studies concentrate primarily on the following four most abundant species: Electrona carlsbergi, Electrona ... antarctica, Krefftichthys (Protomyctophum) anderssoni and Gymnoscopelus nicholsi. The data obtained so far ... the Antarctic region, is by no means most important. The theory claims that some part of the main ... WG-FSA-90/23 MESOPELAGIC FISH OF THE SOUTHERN OCEAN ... Antarctic mesopelagic fish has been carried out as a part of the general multi-disciplinary program of ... research on Antarctic biological resources. Studies concentrate primarily on the following four most ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Autor(es): Sabourenkov, E.N.
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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
Paper Title: Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island ... data set Abstract / Description: In the vicinity of the northern tip of the Antarctic Peninsula, the ... Bransfield Straits and South Shetland Islands, cold polar waters from the Weddell Sea meet warmer circumpolar ... water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ... THE SIEDLECKI JANUARY 1987, SOUTH SHETLAND ISLAND DATA SET Arnold L. Gordon Abstract I n the ... vicinity of the northern tip of the Antarctic Peninsula, the Bransfield Straits and South Shetland Islands ... , cold polar waters from the Weddell Sea meet warmer circumpolar water from the Pacific Ocean. A series ... of fronts form which are collectively referred to as the Weddell-Scotia Confluence. Within the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Autor(es): Gordon, A.L.
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The effects of monitoring procedures on Adélie penguins
Paper Title: The effects of monitoring procedures on Adélie penguins Abstract / Description: The ... effects of flipper bands, implanted tags, gastric lavage and external instrument attachment on the ... , Antarctica. The return rates of birds carrying bands and/or implanted electronic transponders were compared ... to investigate the contribution of bands to bird mortality and to determine rates of band and tag ... flushed and no bird was used more than once. The nests of all birds flushed during chick rearing were ... . There is no evidence, therefore, that the collection of stomach samples from adult Adelie penguins ... CCAMLR Science, Vol. 1: 155-164 THE EFFECTS OF ... Highway, Kingston, Tas. 7050 Australia Abstract The effects of flipper bands, implanted tags, gastric ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Autor(es): Clarke, J. and K. Kerry