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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
of aggregation of ~. gunnari; Banks Shrednaya (middle), vostochnaya (eastern) and Schootchya (Pike ... E-W and N-S. The sea mountains (Banks) have the following names: 1. Youznays (Southern) 2. Shrednaya (Middle ... ) 3 .. zapadnaya (Western) 4. Shootchaya (Pike) 5. vostochnaya (Eastern) and further to the east 6. Novaya ... is bordered by a submarine valley and the slope into the valley is steep and dissected. On the eastern side ... austral winter. Stability of the aggregation is discussed in relation to the environmental conditions. The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Author(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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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 ... reproductora cuando se utilicen los metodos estandar del CEMP. 1. IN1RODUCTION The use of radio telemetry ...
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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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
, in species with prolonged foraging trips, food returned to chicks may differ from that ingested by adults ... : prey adults bring back will have been caught during the latter part of the trip, since that captured ... the trip owing to areas with different prey availabilities being exploited, or due to adults deliberately ... then there are complications owing to variations in detectability at different stages of a foraging trip: commuting penguins ... in an ecologically sensitive manner demands that catches do not depress stocks within the foraging ... . These models require information on the number of predators in a population, their nutritional demands ... , their diet composition and their seasonal distribution in the marine environment. This paper reviews all ... published information on the diet and at-sea distribution of the six penguin species that breed in the CAMLR ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan
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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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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
as the proportion of damaged fi sh landed per line and per fi shing trip according to the following relationship ... from the eastern South Pacifi c (Hal Whitehead, Dalhousie University, Canada). Observation data were ... an exploratory trip undertaken during late 2001, suggesting that this issue does not pose a major threat ... occurred along the middle of the Pacifi c-South American continen- tal shelf slope as well as near ... eleginoides) fishery operations were assessed in southern Chile during surveys with observers on board ... %. Considering that no interactions were recorded in 153 (84%) of the effectively monitored sets, and that the ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Author(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
of 6–7 years for males and 8–11 years for females. These estimates are near the middle to upper end ... of 6–7 years for males and 8–11 years for females. These estimates are near the middle to upper ... for males and 8–11 years for females. These estimates are near the middle to upper end of the range of ages ... counted growth bands in vertebral centra (e.g. Daiber, 1960; Holden and Vince, 1973; Ryland and Ajayi ... in this study were among the smallest or largest present on a skate, but usually they fell in the middle ... for males and 8–11 years for females. These estimates are near the middle to upper end of the range ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin
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Analysis of haul data from the South Georgia krill fishery
), with hauls producing higher catch rates during the middle of the day. Individual hauls were examined ... ), with hauls producing higher catch rates during the middle of the day. Individual hauls were examined ... rates during the middle of the day. Individual hauls were examined to establish the time required ... , BbInOnHeHHbIM TpaynepaMH, ocyqecTsnaBmmm npoMbrcen KpHnrr B pafio~e K ) x ~ o f i l -eopr~u 3a nepr?on 1994 ... , relocating, readying gear, trans-shipping, and little time lost due to bad weather. The catch per haul ... , middle panel 1995, bottom panel 1996. Figure 2: Bathymetry close to South Georgia (Hydrographic Office ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
the lost production of krill (i.e. if the predator switches diet and the new prey species has used ... effect of lost production aiid ensure that the lost production does not have an unacceptable ... of the Eastern Bering Sea showing primary interactions with fished species along with other marine mammals ... and for which fisheries are already present. For example, the Eastern Bering Sea ecosystem has been examined ... in its infancy. A general approach is proposed for maintaining ecological relationships and providing ... for the recovery of depleted populations in food webs supporting fisheries. This paper addresses the ... objectives? The approach proposed here takes account of uncertainties in knowledge of the structure of ... ecosystems. Estimates of predator production arising from the consumption of fished species (encapsulated in ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J
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The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
no ,lInHHe KpHn5I, nonY4eHHble no OT ,lIenbHbIM npo6aM, HeBOMO)l{HO CBeCTH BOe,llHHO B CB5I3H C TeM, 4TO ... dates" variability and shows a significant result. Obviously, penguins do not observe religious fasts ... Paper Title: The use of analysis of penguin stomach contents in simultaneous study of prey and ... found in the stomach of a given penguin prevents the pooling of krill lengths from different samples ... . Samples taken in Bahía Esperanza were used to illustrate the different approaches to this analysis. A ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
, foraging trip duration and diet suggests that the death of chicks during the guard stage was due ... fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... masses brought back to the chicks were within the normal range but extended foraging trip durations ... , foraging trip duration and diet suggests that the death of chicks during the guard stage was due ... chicks crPched per nest. Evidence from analyses of foraging location, foraging trip duration and diet ... ) and locally (particularly males). This season male penguins carried out fewer local trips and both sexes ... were within the normal range but extended foraging trip durations reduced feeding frequency ... to affect increased foraging trip durations (Croxall et al., the ecology of natural predators has ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Author(s): Irvine, L.G., J.R. Clarke and K.R. Kerry