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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
, Gordon and Nowlin, 1978) and abundant krill population (Marr, 1962). The Weddell Gyre is a large, wind ... as far east as the Greenwich Meridian. 2. SIEDLECKI, 1986/87 In 1986/87 the RN Professor Siedlecki ... . MIDDlETON. 1984. The oceanographic structure of the eastern Scotia Sea- I. Physical Oceanography. Deep Sea ... Variability, Springer-Verlag, in press. MARR, J.W.S. 1962. The natural history and geography ... 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 ... water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ... Scotia Sea water by a zone of varied width (10 to 100 km) of water which can best be considered as ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Author(s): Gordon, A.L.
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Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL
) which models the annual tag shedding (i.e. loss) rate as a constant for individual tags. The CASAL ... ) and Hillary et al. (2006) to apply the square of the individual tag loss annual rate in CASAL over-estimates ... models the annual tag shedding (i.e. loss) rate as a constant for individual tags. The CASAL software ... et al. (2006) to apply the square of the individual tag loss annual rate in CASAL over-estimates ...
Meeting Document : WG-SAM-11/12 : Author(s): S.G. Candy (Australia)
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
to the loss of existing marine habitats and the creation of new habitats. In general, fauna under ice shelves ... , there may be consequent loss of some species or communities. Colonisation of new habitats after ice shelf ... % of the Peninsula’s glaciers have retreated in recent decades. Ice shelf collapse will lead to the loss ... be consequent loss of some species or communities. Colonisation of new habitats after ice shelf collapse may ...
Meeting Document : WG-EMM-12/34 : Author(s): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)
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Disclaimer and Privacy Policy
is therefore strictly at the risk of the user. In no event will the CCAMLR Secretariat be liable for any loss ... or damage including without limitation, indirect or consequential loss or damage, or any loss or damage ... whatsoever arising from loss of data or profits arising out of, or in connection with, the use ... is therefore strictly at the risk of the user. In no event will the CCAMLR Secretariat be liable for any loss ...
Page : Site Section: The Organisation
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
time by applying the method to the annual fishing trips for each vessel. methods Initially, the case ... is defined as an individual vessel, but the analysis is later extended to vessel- season (trip ... between 15 January and 28 February. Each vessel is assigned a unique trip number for each season, which ... that recapture rates may differ between case and controls due to individual fish movement or tag-loss effects ... temporally controlled measures of tag-detection rates Abstract / Description: A reliable commercial fish ... tagging program is critical to the successful management of a number of toothfish fisheries in Antarctica ... an integrated stock assessment. Previous attempts to assess the relative reliability of vessels in ... detecting tagged fish have been inconclusive due to low numbers of recaptures after controlling for spatial ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
adjustment data for Adélie penguins in East Antarctica. Availability curves, such as those presented here ... Béchervaise Island near Mawson Station, East Antarctica, it is applicable to other Adélie penguin ... ) to undertake a foraging trip of around 17 days duration (Emmerson et al., 2003). Non-breeders and failed ... undertakes a short foraging trip. During this guard phase, many non-breeding birds return to breeding sites ... Paper Title: Improving estimates of Adélie penguin breeding population size: developing factors ... presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... the breeding season to an estimate of the breeding population. The development of ‘availability ... adjustment factors’ involves the collection of time-series counts of population objects, such as adults ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Author(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Toothfish and skate tagging methods
. • Once the fish is on board – Use wet gloves and surfaces (to reduce scale loss and abrasion) – Do ... , including by crustaceans (amphipods/lice) Scales Abrasions or single area of recent scale loss equal ... tag codes and colour for all tags present. • Record Trip and Haul. • Toothfish: Record Length ...
Document : Site Section: Science
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
after extraction with 90% acetone (Strickland and Parsons, 1972). 2.2 Hydroacoustic Studies ... and King George Island, and was trapped by erratic oceanic eddies to the east of Elephant Island ... moved east, then reversed and was trapped in Barclay Bay on the northern side of Livingston Island ... trips of fur seals rather long (5 to 9 days compared to 1 to 3 days later in the season) (AMLR, 1991 ... 1990/91 a survey was conducted by RV Kaiyo Maru in the vicinity of the South Shetland Islands and ... Elephant Island. The main objective of the survey was to investigate the mechanisms responsible for the ... concentration of krill and to estimate krill biomass in the area surveyed. Krill biomass estimation was done by ... means of hydroacoustics. Phytoplankton distribution was assessed by measuring surface concentrations of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu
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Chick provisioning and chick survival to fledging
, are highlighted. A continuous collection of data on foraging trip duration and meal mass (arrival weight minus ... . A continuous collection of data on foraging trip duration and meal mass (arrival weight minus departure weight ...
Meeting Document : WG-EMM-00/40 : Author(s): J. Clarke, K. Kerry, L. Irvine and B. Philips (Australia)
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Draft: differences in the foraging strategies of male and female Adelie penguins
Abstract: Consistent gender differences in foraging trip durations, feeding localities and diet ... penguins tended to make longer foraging trips than males, ranged greater distances more frequently ... Consistent gender differences in foraging trip durations, feeding localities and diet of breeding ... penguins tended to make longer foraging trips than males, ranged greater distances more frequently ...
Meeting Document : WG-EMM-95/46 : Author(s): Franchi, E., Kerry, K., Clarke, J.