Search results
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Report of a domestic workshop to identify U.S. stakeholders’ objectives and protection priorities for one or more marine protected areas in Planning Domain 1
Abstract: The United States has substantive interests within the boundaries of Planning Domain 1 ... domestic workshop to develop background information relevant to the establishment of one or more marine ... protected areas (MPAs) therein. Key products from the workshop include a list of the types of specific ... objectives that U.S. stakeholders have for MPAs in Domain 1, a map of the areas that U.S. stakeholders ...
Meeting Document : WG-EMM-15/34 : Author(s): G. Watters (USA)
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Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia
present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... krill Euphausia superba were present in 85 % of all diet samples. Fish were present in 79 % of samples ... frequently recorded species, in 51 % and 33 % of samples respectively. The energy or mass of krill in the ... diet was the most reliable predictor of breeding success (the number of chicks fledged per breeding ...
Meeting Document : WG-EMM-17/P02 : Author(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan
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Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic
South Georgia of a method of fishing for toothfish (Dissostichus eleginoides) using pots. A significant ... bycatch of lithodid crabs (three species of Paralomis spp.) was encountered. Paralomis spinosissima ... were also noted in depth distribution of the sexes and the size of crabs. Depth, soak time and area ... were found to significantly influence crab catch rates. Very few crabs (3% of P. spinosissima and 7% of ...
Meeting Document : WG-FSA-01/32 : Author(s): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1999 winter and the 1999/2000 pup rearing season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... and a 94% decrease on the highest previous total (1992). Four of these animals wereentangled in ... on the 1998 winter. The number of seals observed entangled in the summer was the second lowest ... recorded to date,being 42% lower than in the 1998/99 season. The proportion of adult animals affected was ...
Meeting Document : SC-CAMLR-XIX/BG/02 : Author(s): Delegation of the United Kingdom
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
Abstract: As an indicator of body fat condition, interannual variability in girth of minke whales ... of minke whales in Antarctic Areas IV (70°-130° E) and V (130° E-170°W) from 1989/90 to 1994/95. Of ... the six years included in the study, two were categorized as years of poor body fat condition, and ... three as years of good condition. Estimated body weight gain during the feeding season in poor years was ...
Meeting Document : WG-EMM-97/18 : Author(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.
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Variation in reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implications for southern ocean monitoring studies
Abstract: Aspects of the reproductive performance of Black-browed, Grey-headed and Wandering ... Orkney Islands) are summarised and reviewed. Breeding success of the Wandering Albatross, which breeds in ... proportion of their diet, have shown major fluctuations in some or all of: breeding population size, breeding ... success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ...
Meeting Document : SC-CAMLR-VI/BG/15 : Author(s): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)
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Variation or reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implication for Southern Ocean monitoring studies
Abstract: Aspects of the reproductive performance of Black-browed, Grey-headed and Wandering ... Orkney Islands) are summarised and reviewed. Breeding success of the Wandering Albatross, which breeds in ... proportion of their diet, have shown major fluctuations in some or all of: breeding population size, breeding ... success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ...
Meeting Document : WG-CEMP-87/13 : Author(s): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)
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Trophic interactions and population trends of killer whales (Orcinus orca) in the southern Ross Sea
Abstract: Foraging events and related trends in numbers of Type-B and-C killer whales (Orcinus ... orca) are reported for the vicinity of Ross Island, Ross Sea, Antarctica, between 2002 and 2010 ... . Updating an earlier report, the frequency of sightings and the number of individuals per sighting of Ross ... coincident with a decrease in the number and size of an important prey: Antarctic toothfish (Dissostichus ...
Meeting Document : WG-FSA-12/P03 : Author(s): D.G. Ainley and G. Ballard
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Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels
demonstrated through a CCAMLR proof of concept, but processing is in most cases essential before any use of the ... . Here we show examples of processing with a prerequisite that abundance and distribution of krill are ... our main interest, and that data of interest include both those collected during fishing operations ... and during surveying. We have worked with datasets covering most of the fishing season 2015/2016, one ...
Meeting Document : SG-ASAM-17/03 : Author(s): X. Wang, G. Skaret and O.R. Godø
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Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
Abstract: Electron subantarctic (Electrona carlsbergi) is one of important pelagic myctophidae ... which circumpolar distributed between the warm waters of the subtropical confluence zone and the ... Southern Ocean. The distribution, life history and migration pattern of this species were examined using ... the biological data in 1990s, however, the habitat shift of this species was still unclear. The ...
Meeting Document : WG-FSA-17/65 : Author(s): L. Wei and G.P. Zhu