Search results
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... from the Ross Sea slope, Admiralty and Scott seamounts and two parts of the Pacific-Antarctic fracture ... for fish less than 30 cm), whereas sex, fatness and bottom depth were not significant. Author(s): M.H ... carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ...
Meeting Document : WG-EMM-12/P03 : Author(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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Beach litter accumulation at sub-Antarctic Marion Island – 1998/99
for the previous two years. Items originating from South America (Argentina in particular) were the most prevalent ... two years. Items originating from South America (Argentina in particular) were the most prevalent ... accunmulation for the year May 1998- April 1999. The amount of debris found in both annual and monthly ... during the annual survey were less than two months old. This strong seasonal effect and high turnover ...
Meeting Document : CCAMLR-XVIII/BG/22 : Author(s): Delegation of South Africa
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Current work towards estimating krill consumption by flying seabirds in CCAMLR Divisions 58.4.1 and 58.4.2
values. We have conducted tracking work on four species in two regions over two years to determine ... values. We have conducted tracking work on four species in two regions over two years to determine ...
Meeting Document : WG-EMM-16/67 : Author(s): L. Emmerson and C. Southwell
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The fish fauna of the Argentine Islands region (Antarctica; 12 UAE 2007–2008) and morphometrical changeability of Notothenia coriiceps (Richardson, 1844)
was subdominant in the previous years, but during our researches Notothenia rosii prevailed already. Biological ... and morphometrical analyses of two groups Notothenia coriiceps from the Meek-Penola Channel and near the west coast ... of Grotto Island are conducted. It is exposed, that these two groups of fish species divided, probably ... in the previous years, but during our researches Notothenia rosii prevailed already. Biological and morphometrical ...
Meeting Document : WG-FSA-12/P06 : Author(s): V.N. Trokhymets, V.A. Tymofyeyev and J.S. Perechrest
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004
to decline over the past five years, and is at its lowest size in the past seven years of study. While ... the gentoo breeding population increased slightly from last year, it is at its second lowest size in the past ... seven years. Chinstrap fledging success was higher during the 2003-04 breeding season than ... in the previous season, but lower than the average for the past seven years. Gentoo fledging success in 2003-04 ...
Meeting Document : WG-EMM-04/5 : Author(s): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)
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Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
showed two main periods of larval hatching separated by 5-6 months, one in late summer between February ... juveniles (age group 1+) hatched in July-August, entering in the cove the following year to spend the second ... showed two main periods of larval hatching separated by 5-6 months, one in late summer between February ... juveniles (age group 1+) hatched in July-August, entering in the cove the following year to spend the second ...
Meeting Document : WG-FSA-12/04 : Author(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
Abstract: Although world oceans have been warming over the past 50 years, the impact on biotic ... over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... with a time lag of 2–9 years with temperatures, the population size of most seabirds and seals monitored ... on several breeding sites have decreased severely, whilst two species have increased at the same time ...
Meeting Document : WG-EMM-03/53 : Author(s): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in March–April 2010, including a revised growth model
on this cohort. A new growth model is also estimated which shows an improved fit to observed sizes at age ... on this cohort. A new growth model is also estimated which shows an improved fit to observed sizes at age ... of yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. The strong ... year class detected in the last three years’ surveys is now fully recruited as the 4+ cohort ...
Meeting Document : WG-FSA-10/12 : Author(s): D.C. Welsford (Australia)
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Review of activities in monitoring marine debris in the CAMLR Convention Area
entangling materials. There was only one new hydrocarbon soiling reported from King Edward Point in 2010 ... and fishing gear the main entangling materials. There was only one new hydrocarbon soiling reported from King ... Conservation Measure 26-01 requiring packaging bands to be cut up into 30 cm pieces. The amount of debris ... (3), despite Conservation Measure 26-01 requiring packaging bands to be cut up into 30 cm pieces. The amount ...
Meeting Document : WG-IMAF-11/04 Rev. 1 : Author(s): Secretariat
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Seabird by-catch by tuna longline fisheries off southern Africa, 1998–2000
off the Northern Cape and southern Namibia, where there are few birds, only one bird was caught on 93 ... the Northern Cape and southern Namibia, where there are few birds, only one bird was caught on 93 600 hooks ... most frequently. Based on 1998–1999 fishing effort, simple extrapolation suggests that 19 000–30 000 ... . Based on 1998–1999 fishing effort, simple extrapolation suggests that 19 000–30 000 seabirds are killed ...
Meeting Document : WG-FSA-01/28 : Author(s): P.G. Ryan, D.G. Keith and M. Kroese (South Africa)