Результаты поиска

1. Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program

   the marine debris program in 1989. In 2017, WG-FSA recommended that lost fishing gear reported from ... a significant variation in the reporting rates between CCAMLR fisheries. When gear was reported lost ... Abstract:  CCAMLR has monitored marine debris in the Convention Area since the establishment of ... vessels be included in annual updates on marine debris. Rates of hook loss in longline fisheries revealed ...

   Meeting Document : WG-FSA-18/17 : Автор(ы): CCAMLR Secretariat

2. MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA

   conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years; in the ... ecosystem-based management of any krill fishery in the region. Krill acoustic density data from surveys ... dynamics model to evaluate potential mechanisms behind the observed changes in krill biomass. Krill ...

   Meeting Document : WG-EMM-08/48 : Автор(ы): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)

3. Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter

   organization during the foraging trip) in relation to diet in nonbreeding Gentoo Penguins (Pygoscelis papua ... ) over 59 days (involving 5,469 dives) in winter. We estimated foraging ranges and prey capture rates ... diurnal with 98% of foraging trips completed during the same day. Foraging-trip frequency was 0.8/day ... , trip duration was 6-8 h, and birds spent 51-62% of the foraging trip diving. Dive depth and duration ...

   Meeting Document : WG-CEMP-92/37 : Автор(ы): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)

4. The state of exploited fish stocks in the Atlantic sector of the Southern Ocean

   of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... Abstract:  Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons around South Georgia. Since ... tonnes in 1976/77-1977/78, 1982/83-1983/84 and 1986/87-1987/88. N. rossii marmorata is the species most ...

   Meeting Document : SC-CAMLR-VIII/BG/18 : Автор(ы): Delegation of Federal Republic of Germany

5. Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem

   Antarctica (70°E-170°W) showed that the increased krill availability in the middle of the past century could ... Abstract:  Changes in the Antarctic ecosystem have been triggered by anthropogenic and natural ... factors. This paper reviews the scientific information of whales that could be indicative of changes in ... the East Antarctica ecosystem in the context of two hypotheses, the ‘krill surplus’ hypothesis in the ...

   Meeting Document : WG-EMM-16/64 : Автор(ы): Y. Fujise and L.A. Pastene

6. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   pronounced sub-decadal cycle in fast-ice duration at the South Orkney Islands from the mid-1960s to 1990. In ... Abstract:  Detection of climate-induced change in marine ecosystems requires a knowledge of the ... variability in Southern Ocean sea-ice dynamics. We present the first analysis of a series of fast-ice duration ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ...

   Meeting Document : WG-EMM-95/80 : Автор(ы): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

7. Background and criteria of establishment of Marine Protected Area (MPA) in the Weddell Sea

   Russian and German scientists in the eastern part of the Weddell Sea. Data on potentially valuable for ... commercial fishing species in the eastern part of the Weddell Sea collected by German investigators in 1979 ... -2014 in the eastern part of the Weddell Sea.   Author(s):  A.F. Petrov, V.A. Bizikov, K.V. Shust and ... -1989 are also included, as well as results of Russian longline survey of Antarctic toothfish in 2013 ...

   Meeting Document : WG-EMM-14/23 : Автор(ы): A.F. Petrov, V.A. Bizikov, K.V. Shust and E.F. Uryupova (Russia)

8. Estimating unaccounted fishing mortality in the Ross Sea and 88.2C–G bottom longline fisheries targeting Antarctic toothfish

   to estimate unaccounted fishing mortality from lost lines in the Ross Sea region and Subarea 88.2 ... activities. The level of mortality resulting from the loss of sections of bottom longline gear in the Ross ... known. Lost fishing gear should be monitored to provide information to evaluate how well CCAMLR meets ... current estimates have been provided as sensitivities in the 2011 stock assessments for the Ross Sea ...

   Meeting Document : WG-FSA-11/48 : Автор(ы): D.N. Webber and S.J. Parker (New Zealand)

9. Development of foraging behaviour and evidence of extended parental care in the gentoo penguin (Pygoscelis papua)

   trip to sea and its final dispersal from the breeding colony. Our study was conducted at a colony of ... approximately 2500 breeding pairs of gentoo penguins in Admiralty Bay, King George Island, South Shetland ... with extended parental provisioning, behaviours not observed in other Pygoscelis species. Chicks took ... their first trip to sea at a mean age of 70 days of age, before finally departing the colony at an ...

   Meeting Document : WG-EMM-06/8 : Автор(ы): M. Polito and W.Z. Trivelpiece (USA)

10. Developments in the CCAMLR otolith program

    Abstract:  The Secretariat contacted 14 Members in January 2011 providing them with a table ... listing the number of otoliths collected on each trip by a vessel flagged to that Member and the observer ... responsible for collecting the otoliths on that trip. Members were asked to provide information on the storage ... at the Secretariat. Author(s):  Secretariat Title:  Developments in the CCAMLR otolith program ...

    Meeting Document : WG-FSA-11/07 : Автор(ы): Secretariat

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