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Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
primarily on krill, which is patchily distributed. When combined with information about swimming speed on ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ... travel durations between bouts of feeding changed between years. These changes suggested either that the ... structure and/or the spatial distribution of krill swarms varied between years. The behavior of fur seals ...
Meeting Document : WG-EMM-95/23 : Autor(es): Boyd, I.L.
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
be shown to exhibit high standing stock (greater than 2 million tons) years, moderate standing stock ... (approximately 1 million tons) years, and low standing stock (less than 1/2 million ton) years. The size of the ... with a predominant origin of individuals from the Weddell Sea. The size of the area and the approach ... -series of data from 1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Autor(es): Delegation of USA
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Risk categorisation for Macrourus whitsoni and Amblyraja georgiana in the Ross Sea
. Amblyraja georgiana were categorized as risk status 3 – species that are exploited as bycatch, and have a ... between risk status 2 and 3 – although life history characteristics may make this species vulnerable to ... , and comparison of longline and trawl catch rates with other Antarctic areas suggest that population in ...
Meeting Document : WG-FSA-05/21 : Autor(es): R.L. O’Driscoll (New Zealand)
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Proposal to modify Conservation Measure CM 24-02 regarding the use of a streamer line
paragraphs 2, 3 and 4). Thus, the use of a streamer line becomes meaningless for any vessels using longline ... gears described in paragraphs 2, 3 or 4 of CM 25-02. It is proposed to amend CM 24-02 «Longline ... weighting for seabird conservation» with regard to use a streamer line. Author(s): Y. Korzun and S ...
Meeting Document : WG-FSA-17/24 : Autor(es): Y. Korzun and S. Kasatkina
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OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08
a high mortality rate of fish on these lines; only fish with a high chance of survival were tagged ... research hauls. The vessel then moved to SSRU E on 3 February 2008 and completed 3 hauls (note: SSRU G was ... of 3 fish tagged per tonne of green weight caught required in Conservation Measure 41-11(2007). The ...
Meeting Document : WG-FSA-08/16 : Autor(es): A.T. Lozano and O. Pin (Uruguay)
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Examination of the characteristics of the fishery for Dissostichus eleginoides in the CCAMLR Statistical Subarea 48.3 and its implications on estimating trends in catch per unit effort
the spatial pattern of fishing might have changed over the years, whether the current measure of ... Dissostichus eleginoides is not uniformly distributed in its range. In some years, though not all, the fishery ... soak time was a significant predictor of catch the fitted relationship was not consistent with using ... -linear relationship between catch and number of hooks set was consistent with using this variable ...
Meeting Document : WG-FSA-SAM-05/17 : Autor(es): A.J. Constable, S.G. Candy and B. Raymond (Australia)
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
using microscopes (microscopical scale) was elaborated and adapted to correspond with the macroscopic ... (i.e., unaided visual observation) scale commonly used. The first five stages correspond with those ... individuals (45%) was found, together with a relatively low occurrence of females that spawned or were in ... development stages are described in Table 3. Oocytes in early secondary vitellogenesis (Table 3, stage 4 ... smaller-sized immature fish (stage 1) and fish in the stage of early maturation (stage 2). Stage 3 ... . gunnaui. Maturity Stage 1. Immature 2. Early maturation 3. Advanced maturation 4. Total ... correspond with the macroscopic (i.e., unaided visual observation) scale commonly used. The first five ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Autor(es): Macchi, G.J. and E.R. Barrera-Oro
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On reproduction of Electrona carlsbergi (Tåning)
. Maturation of ovaries is continuous, and spawning is serial. The spawning season is long and coincides with ... , and spawning is serial. The spawning season is long and coincides with summer/autumn in the Southern ... species coincides with the notal zone. A study of gonads in female E. carlsbergi from the Antarctic ... Convergence and the Argentine Basin areas has been undertaken with the aim of determining where and when this ... analysis. Preparation and histological treatment was conducted in accordance with standard methods ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Autor(es): Mazhirina, G.P.
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Conference on the Conservation of Antarctic Marine Living Resources – Canberra – 7–20 May 1980
conservation measures are considered within the framework of the Commission and with the participation of ... France, then: (a) France would be bound by any conservation measures adopted by consensus with its ... measures that were more strict than the Commission’s measures or which dealt with other matters; (b) In ... be taken to facilitate the early operation of the Commission, Scientific Committee and Executive ...
Document : Site Section: The Organisation
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IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10
Abstract: Table of Contents Topic Page Introduction 1 Fisheries in 2009/10 1 Fishery monitoring 3 ... 2009/10 (see CCAMLR-XXIX/BG/9 for summary). 2. The implementation of CMs dealing with fisheries, data ... Inspection is reported in CCAMLR-XXIX/BG/7 and BG/8. FISHERIES IN 2009/101 3. The 2009/10 fishing season ... areas. In accordance with CMs in force, Members’ fishing vessels operated in the following fisheries ...
Meeting Document : CCAMLR-XXIX/BG/10 : Autor(es): Secretariat