Search results
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Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
. Males who lost partners took 40% longer than females to find a new mate, suggesting a male-biased ... . Males who lost partners took 40% longer than females to find a new mate, suggesting a male-biased ...
Meeting Document : WG-EMM-03/11 : Author(s): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)
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The effect of different methodologies used in penguin diet studies at three US AMLR predator research sites: Admiralty Bay, Palmer Station and Cape Shirreff
, are hypothesized to influence variability in related parameters such as breeding success, foraging trip durations ... to influence variability in related parameters such as breeding success, foraging trip durations and chick ...
Meeting Document : WG-EMM-99/46 : Author(s): W. Trivelpiece, S. Trivelpiece (USA) and K. Salwicka (Poland)
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Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
related to the duration of the maternal foraging trip and attendance cycle, and both per-bout and per-day ... related to the duration of the maternal foraging trip and attendance cycle, and both per-bout and per-day ...
Meeting Document : WG-EMM-97/11 : Author(s): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
Eastern Scotia Sea 62'5, 40°W 0" 49"s 62"s 56"W 20°W Antarctic Peninsula 65"S, 50°W 330" 52"s 68"s 79 ... °W 65"W 0, 0 Table 3: Parameters used to determine the transect sampling zones. Stratum Eastern Edge ... the Eastern Edge of the Transect Sampling Zones (km) Random Shift T-01 T-02 T-03 T-04 T-05 T-06 T-07 T-08 ... 0,o Table 6: Priority for omitting transects following periods of lost time; if a transect has already been ... krill which are used in models to estimate sustainable yield in Area 48. The survey design includes two ... large-scale oceanic strata: one in the southwest Atlantic located in the Scotia Sea, and the other to ... these large-scale strata, four mesoscale strata were included in the survey design; these were located ... and the planned cruise tracks for each of the four vessels participating in the survey are shown ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels
are collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost ... of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and weights become ...
Meeting Document : WG-FSA-07/15 : Author(s): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)
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Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
analysis plan leading towards the development of a stock hypothesis for the eastern regions of 48.2 ... leading towards the development of a stock hypothesis for the eastern regions of 48.2 and southern regions ...
Meeting Document : WG-SAM-18/15 : Author(s): M. Söffker and M. Belchier
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Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
into their foraging trip such as Antarctic fur seals (Arctocephalus gazella) and overnight foraging chinstrap penguins ... At Seal Island breeding predators which incorporated an overnight period into their foraging trip ...
Meeting Document : WG-EMM-96/49 : Author(s): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.
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Foraging response of Antarctic fur seals to changes in the marine environment
recorders measured the diving behaviour of 72 individuals during a total of 385 foraging trips totalling ... contained in scats. In 1996, a year of high krill abundance, females made shorter foraging trips, fewer ... and squid in the diet. Foraging trip duration, ashore duration and dive frequency increased through ... measured the diving behaviour of 72 individuals during a total of 385 foraging trips totalling 1964 ...
Meeting Document : WG-EMM-99/35 : Author(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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Seabird by-catch by tuna longline fisheries off southern Africa, 1998–2000
for the continental South African Exclusive Economic Zone (EEZ). Fishery observers accompanied 13 fishing trips ... (1% effort observed) had a higher bycatch rate (2.6 birds per 1 000 hooks, range per trip 0.1–5.4) than South ... South African Exclusive Economic Zone (EEZ). Fishery observers accompanied 13 fishing trips and observed ... observed) had a higher bycatch rate (2.6 birds per 1 000 hooks, range per trip 0.1–5.4) than South African ...
Meeting Document : WG-FSA-01/28 : Author(s): P.G. Ryan, D.G. Keith and M. Kroese (South Africa)
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
by the highest density in the middle stratum of western South Georgia, in which all the larger catches were made ... in the middle stratum of western South Georgia. A similar adjustment was made for the Hill Cove results at Shag ... 216264 Total 437261 Akademik Knipovich Survey divided into eastern and western South Georgia. Large ... haul analyzed separately. Stratum Eastern South Georgia 50 to 150m 2030 150 to 250 m 12103 250 ... discussions and analyses of the data from a survey from MV Hill Cove in January 1990 and RV Akademik Knipovich ... in February 1990 around South Georgia. Both surveys were characterized by large numbers of small ... increase in the estimated standing stock of Champsocephalus gunnari. The paper describes the ways in which ... these large hauls were considered in the analysis. No ideal method was found for incorporating the large ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)