Результаты поиска

1. Beach debris survey, Main Bay, Bird Island, South Georgia, 2002/03

   Abstract:  During the thirteenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia, a total of 183 items was collected. This represents a 5.0% decrease on the total ... recorded in 2001/02 and the lowest levels of beach debris during summer since the first year of recording ... in 1990/91. The distribution of debris between summer and winter was similar to the previous year ...

   Meeting Document : SC-CAMLR-XXIII/BG/13 : Автор(ы): Delegation of the United Kingdom

2. Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights

   distribution and abundance of a single dominant zooplankton species, Antarctic krill Euphausia superba. At ... frequently detected in the response of upper-trophic level predators. Analysis of the changes in the ... population size structure of krill in the diet of Antarctic fur seals Arctocephalus gazella, particularly ... associated with periods of low krill biomass, has shown that the population dynamics of krill is a major ...

   Meeting Document : WG-EMM-04/63 : Автор(ы): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)

3. Reproduction in Antarctic notothenioid fish - a review

   although spawning is likely to take place annually. However, part of the populations of Champsocephalus ... gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... % at spawning. Apart from a few nototheniid species the GSI of males is much less and typi6dlly only 15 ... –20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ...

   Meeting Document : SC-CAMLR-X/BG/12 : Автор(ы): Delegation of Germany

4. Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12

   2010/11 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centered area of Division 58.4.4 a & b ... . In the 2010/11 a total of 189 D. eleginoides were tagged and released in SSRUs B and C. Four tagged D ... . eleginoides, of which two fish were tagged and released in SSRU C during the 2007/08 and 2009/10 preliminary ...

   Meeting Document : WG-SAM-11/07 : Автор(ы): Delegation of Japan

5. Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2

   Abstract:  In this paper, we address a number of aspects of the model inputs and parameters of the ... runs that investigate the sensitivity of the 2006 stock assessment to changes in these model inputs and ... parameters. Tree-regression methods were used to investigate the areal structure of the length distribution ... of Antarctic toothfish. While tree-regressions suggested strong evidence of a high degree of small ...

   Meeting Document : WG-SAM-07/6 : Автор(ы): A. Dunn and S.M. Hanchet (New Zealand)

6. Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report

   Abstract:  In 2000, the New Zealand delegation to CCAMLR proposed the designation of an Antarctic ... on the value of the area on and around the Balleny Islands, and the potential benefits of ... establishing a Balleny Islands Marine Protected Area (MPA). The ecological importance of the Balleny Islands ... Article 3 of Annex V to the Protocol on Environmental Protection to the Antarctic Treaty. This paper’s ...

   Meeting Document : SC-CAMLR-XXIV/BG/25 : Автор(ы): Delegation of New Zealand

7. New Zealand Antarctic research programme

   Abstract:  Since parameters of penguin populations may provide good indices of the abundance of ... the key prey species (krill) and thus the state of the Antarctic marine ecosystem, aerial ... reconnaissance and photography are used in the Ross Sea sector of Antarctica to determine where Adelie penguins ... (Pygoscelis adeliae) breed, and to count the numbers of nests occupied during the early incubation period and ...

   Meeting Document : WG-CEMP-92/24 : Автор(ы): P.R. Wilson (New Zealand)

8. Update on the Top Predator Alliance project, 2013–14 season: Killer whales

   affected by the removal of Antarctic toothfish (Dissostichus mawsoni; ‘toothfish’) in the Ross Sea region ... .  However, extreme paucity of information about the diet of TCKW, and uncertainty regarding the degree of ... fishery to TCKW and other marine mammals and (b) mitigate potential risk by implementation of management ... recorded during 5 of 8 helicopter flights.  For 3 of these observations, the prey was identifiable as ...

   Meeting Document : WG-EMM-14/52 : Автор(ы): R. Eisert, M.H. Pinkerton (New Zealand), L. Torres (USA), R.J.C. Currey, P.H. Ensor, E.N. Ovsyanikova, I.N. Visser (New Zealand) and O.T. Oftedal (USA)

9. Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2

   stratified sampling design between 50 and 500 m on shelf areas of Subarea 48.1 (Elephant Island) and Subarea ... , 2012) and on shelf areas of the South Orkney Islands according to a subsample of stations sampled by ... Program, Southwest Fisheries Science Center, National Marine Fisheries Service. A total of 36 hauls were ... caught with a total volume of 19,112.28 kg. The main species extracted with this gear corresponded to ...

   Meeting Document : WG-SAM-18/25 : Автор(ы): Delegation of Chile

10. CALIBRATION ERROR IN THE AMLR PLANKTON TIME SERIES

    Abstract:  Analysis of the time series of the volume of water filtered during tows using a 1.8 m ... Isaac-Kidd Midwater Trawl (IKMT) from 1992 to 2007 showed a marked decline (~35%) in the volume of water ... filtered beginning in 2000. Analysis of tow time duration, reported ship speed during tows, and mean number ... of rotor counts from the flow meters showed no significant trends. The discrepancy in volume is ...

    Meeting Document : WG-EMM-08/19 : Автор(ы): C. Reiss (USA)

Страницы