Search results
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To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
number and distribution of killer whales in the Ross Sea region. At present, the balance of evidence ... , Sulzberger Bay) or at the scale of the whole Ross Sea shelf and slope. Basic information necessary to ... . It is also possible that changes in killer whale feeding can affect the structure and stability of ... commonly observed carrying toothfish in their mouths; (2) comparison of the relative nutrient density of ...
Meeting Document : WG-EMM-13/29 : Author(s): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)
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Standardised CPUE analysis of the Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2005/06
. Hence the CPUE indices developed here are of limited use as indices of toothfish abundance at the ... ) since 1997 in CCAMLR Subareas 88.1 and 88.2. Previously, standardised analysis of toothfish CPUE (catch ... fishing years. This report revises and updates the previous analysis with the addition of data from the ... that have been in the fishery for at least 4 years. We estimate indices using both lognormal ...
Meeting Document : WG-FSA-06/47 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
D. eleginoides at 700-900 m depths. Both maturity index and relative weight of gonads to body weight ... order to collect information for the stock status and biology of toothfish in the southeast sector (24 ... allocated hauls) of Division 58.4.3b (BANZARE Bank), using a commercial bottom longline vessel Shinsei Maru ... released alive) of Dissostichus spp. and other bycatch species was 12.0 tonnes in the SE sector, where the ...
Meeting Document : WG-SAM-11/05 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
assessments. The estimate of biomass of mackerel icefish for the population at Heard Island was not ... current estimates of length at age parameters would be for most of the fish to be three year olds. However ... Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ...
Meeting Document : WG-FSA-02/47 : Author(s): A.J. Constable, R. Williams and T. Lamb (Australia)
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
the 14 higher growth rate at South Georgia, produced a consistent similarity in the position of the ... Abstract: Understanding the demographics of Antarctic krill over large scales may be complicated ... by regional differences in the 11 processes that govern population structure. The influence of ... length–frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands ...
Meeting Document : WG-EMM-02/16 : Author(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance
were conducted, in the Adelié penguin (Pygoscelis adeliae) colony at Pt. Thomas (Western Shore of ... UAV flying at the altitude of 300-350 m AGL (Above Ground Level) over the colony were compared to ... Abstract: The importance of Unmanned Aerial Vehicles (UAVs) in remote sensing is rapidly growing ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ...
Meeting Document : WG-EMM-15/50 : Author(s): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)
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Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories
= 0•11) with an interannual range of 0•59–0•88. Although females normally produced their first pups at ... Abstract: 1. This study examined the costs of reproduction in terms of future survival and ... , to estimate the rate of increase of the population as 10•7% per annum. 3. The average annual survival ... of food. Survival rate was unrelated to any other environmental or demographic parameter including ...
Meeting Document : WG-EMM-95/26 : Author(s): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.
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The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project
changes in fauna, flora, and other major features at these sites; and how best to minimize potential ... adverse impacts of human visitor activity. CEMP Standard Methods were relied upon in establishing the ... project's methodology, particularly with respect to counting penguin nests and chicks. At each site ... power P (= 1-ß) ≥ 0.8. Author(s): Naveen, R. Title: The application of CCAMLR Ecosystem Monitoring ...
Meeting Document : WG-EMM-97/38 : Author(s): Naveen, R.
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INTEGRATING COUNT EFFORT BY SEASONALLY CORRECTING ANIMAL POPULATION ESTIMATES (ICESCAPE): A METHOD FOR ESTIMATING ABUNDANCE AND ITS UNCERTAINTY FROM COUNT DATA USING ADÉLIE PENGUINS AS A CASE STUDY
. Such series are typically collected at only a limited number of sites, so a search algorithm is used to ... penguin abundance at breeding sites in Antarctica. These examples focus on adjusting counts of adults to ... standardising animal count data to a common reference point of breeding chronological for species showing ... Animal Population Estimates) is suite of routines that implements a general abundance estimator ...
Meeting Document : WG-EMM-09/20 : Author(s): J. McKinlay, C. Southwell and R. Trebilco (Australia)
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Informing the Scientific Committee about the revisions of the WSMPA proposal
would fall under the remit of, or might be of interest to participants at SC-CAMLR 2018: Unifying the ... Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... previously two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the ... Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in Statistical Subareas 48.6 and ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Author(s): Delegation of Germany