Search results
-
Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
the levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter ... sizes normally of 4 to 10 animals, and often appear to actively seek out fishing vessels and ‘strip’ the ... . Most interactions from sperm whales occur during May at the start of the season with the sightings ... becoming fewer towards the end of the season in August. Killer whale interactions appear to be more ...
Meeting Document : WG-FSA-10/P06 : Author(s): J. Moir Clark and D.J. Agnew
-
Glossary of acronyms and abbreviations
and Petrels ACAP BSWG ACAP Breeding Sites Working Group (BSWG) ACC Antarctic Circumpolar Current ACW Antarctic ... Strategy Evaluation ASI Antarctic Site Inventory ASIP Antarctic Site Inventory Project ASMA Antarctic ... Workshop on Small-scale Management Units, such as Predator Units SSRU Small-scale Research Unit SSSI Site ... Sites Working Group (BSWG) ACC Antarctic Circumpolar Current ...
Page : Site Section: The Organisation
-
RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... , and 2000 pairs at Prince Edward Island. At Marion Island from 1987–2008, there was no long-term trend ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P1 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
-
Recent trends in numbers of four species of penguins at the Prince Edward Islands
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... , and 2000 pairs at Prince Edward Island. At Marion Island from 1987–2008, there was no long-term trend ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P01 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
-
Major fishery events in Kerguelen Islands: Notothenia rossii, Champsocephalus gunnari, Dissostichus eleginoides – current distribution and status of stocks
Abstract: The large-scale trawl exploitation targeting virgin stocks of marbled notothenia ... (Notothenia rossii) off the Kerguelen Islands occurred after the discovery by the Soviet Union scouting ... fishing fleet of the fishing grounds in the early 1970’s. The fishery shifted to icefish (Champsocephalus ... gunnari) and grey notothen (Lepidonotothen squamifrons) when overexploitation on the shelf and surrounding ...
Meeting Document : WS-MPA-11/P04 : Author(s): G. Duhamel, P, Pruvost, M. Bertignac, N. Gasco and M. Hautecoeur
-
Scientific Committee
Members and serves for a term of two meetings and may be re-elected for no more than one term. The current ... When the CAMLR Convention came into force it established the Scientific Committee (SC-CAMLR) and ... all Members of the Commission are also Members of the Scientific Committee. The Scientific Committee ... provides the best available scientific information on harvesting levels and other management issues to the ...
Page : Site Section: Science
-
A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
obtenidos con las dos estructuras para probar la hipotesis de que tailto 10s otolitos como las escamas ... Paper Title: A comparison between otoliths and scales for use in estimating the age of ... understanding the population dynamics and productivity of a fish stock. The use of scales to estimate age can ... whose age has been estimated using both scales and otoliths. We estimated the age of D. eleginoides ... ; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
-
Warp strike observations
by an estimated factor of 6, compared with no offal discharge • The strike-rate for large-birds ... fisheries observers. The survey was carried out in the southern squid trawl fishery (SQU6T/1T) over the ... summer of 2004 – 2005. The aim of the work was to test a new protocol for quantifying warp-strikes and to ... assess the factors (fishery, environmental, and behavioural, temporal) that appeared to influence the ...
Meeting Document : WG-FSA-05/40 : Author(s): E. Abraham (New Zealand)
-
Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
Abstract: The North Pacific Fishery Management Council (Council) recommended changes to the ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... lines on larger vessels. Changes were based on research results from a two-year study conducted by the ...
Meeting Document : WG-FSA-02/53 : Author(s): K.S. Rivera (USA)
-
Semi-automated software to count and validate Adélie penguin colonies from aerial photographs
Adélie penguins, there is no reason why the present approach could not be used for census counts of other ... of nesting Adélie penguins (Pygoscelis adeliae), on aerial photographs of the Ross Sea sector of ... Antarctica. The software is written in MATLAB ®, is freely available and is deployed to users as a graphical ... , which is slow, and highly-dependent on the skill of the operator. The basis of the semi-automated ...
Meeting Document : WG-EMM-14/54 : Author(s): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)