Search results

1. Attribtuion of acoustic echoes to squid in the south Atlantic

   by a pelagic trawl near the Antarctic Polar Frontal Zone in CCAMLR Subarea 48.3. This paper describes ... echoes recorded from the part of the water column traversed by the net. The trawl was restricted to a ... , Mavtialia hyadesi, were caught in a single haul made by a pelagic trawl near the Antarctic Polar Frontal ... traversed by the net. The trawl was restricted to a single depth zone which reduced the potential number ... often by predators were not the two commonly fished species in the South Atlantic (Il lex avgentinus ... and Loligo gahi), but a third species, sometimes caught as a by-catch with Illex argent inus , the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Author(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley

2. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   were found to be abundant. There were two consistent areas of aggregation of Champsocephalus gunnari ... of the most important species, covering a number of years and seasons. Five species were found to be abundant ... important species, covering a number of years and seasons. Five species were found to be abundant ... the 300 stratum because of the high density of C. gunnari found there during autumn 1990 ... . C . ylinnari , as elsewhere within its range (South Georgia, Kerguelen), is found mostly in the depth range ... parts of stratum 500. However, the density of this fish is patchy, with highest densities being found ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare

3. Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)

   be found in Isaaks and Srivastava (1989). The plateau stations were the only ones used in the kriging ... ) C. gunnari was found in shallow waters (<500 m), east of the Kerguelen Islands, with few concentrations ... den- sity close to the 500 m isobath; (iv) N. rossii is mainly found in the southeastern area ... observed in the northern shelf, but a different pattern was found in the southern shelf LFD (range: 25 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur

4. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   for normality and non-parametric statistics were employed when no adequate transformation was found. All tests ... between years were found in the mean duration of the second incubation shift. Hatching occurred ... seasons. Weather and sea-ice regimes varied notably, especially in 2003, which was characterised by ... extensive and persistent sea-ice and strong winds with snowfalls in December. First incubation trips by ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Author(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

5. Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)

   of the N. gibberifrons age have been reported. Everson (1980) found inconsistencies between age determined by otoliths ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... discussed. It is expected that the Otoliths/Scales/Bones Exchange System established by CCAMLR will help to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Author(s): Barrera-Oro, E.

6. Sources of variance in studies of krill population genetics

   Meganyctiphanes norvegica that used allozymes found no evidence of genetic population structure. More recent ... Meganyctiphanes norvegica that used allozymes found no evidence of genetic population structure. More recent ... allozymes found no evidence of genetic population structure. More recent investigations using sequence ... identifi ed by mtDNA analysis, but not previously by allozymes, has recently been found in two other ... (α = 0.05) pairwise Φst values found between four samples of Euphausia crystallorophias. #The difference ... α = 0.0083). No signifi cant Φst values were found for comparisons between samples from the Davis Sea ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Author(s): Jarman, S.N. and S. Nicol

7. Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region

   National Oceanic and Atmospheric Administration National Marine Fisheries Service US Antarctic Marine ... HaHHbIe IlO BMAOBOMY COCTaBy, BBAOBMM rpyIIIIaM, pa3MepHOMy COCTaBy, OTHOLUeHHK) AJIAHa-BeC, AnPIHe IlpA ... concentrations were found in the northwestern part of the deeper shelf, but much less abundant around Elephant ... lsland and the lower South Shetland Islands. N. coriiceps was found to be abundant around the lower ... catches. The only scientific surveys of these stocks during these years were conducted by Germany in 1985 ... , and by Spain in 1987 and 1991. More recently, the US Antarctic Marine Living Resources (US AMLR ... Antarctic or peri-Antarctic species predominated in the fish fauna. Species groups differed by up to 55-60 ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Author(s): Kock, K.-H., C.D. Jones and S. Wilhelms

8. Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica

   communities as those found in the North Sea and elsewhere. This paper presents data on benthos retrieved ... demersal finfish species in Prydz Bay by Australia in the 1990/91 season. The data collected are used to ... demonstrate that the biomass of benthos that could be disturbed by commercial bottom trawling could be high in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Author(s): Constable, A.J.

9. Statistical problems in krill stock hydroacoustic assessments

   method is most appropriate, this is made even more difficult by the fact that most survey methods assume ... non-stationary populations, which have not been well addressed by present techniques. However, this ... difficult by the fact that most survey methods assume the population is fixed in space, relative to the ... well addressed by present techniques. However, this does not invalidate the use of available methods ... estimates of abundance by depth and distance along a survey track. These relative estimates of abundance ... by adjusting the estimate by the ratio of the old and new target strengths. Surveys are conducted ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.

10. Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf

    . It has been found that, by number, recruits represent the largest part of the population, whether ... towards Shag Rocks at the age of 2-3 years. It has been found that, by number, recruits represent ... of 2-3 years. It has been found that, by number, recruits represent the largest part of tlne population ... in individuals ( 3 4 cm) were found in surveys targeting 1984 and 76-80 mm in 1990. During pelagic surveys ... composition for various more were usually found in catches in insignificant regions, it was only possible ... pelagic surveys. The mean length of juveniles by concentrations were found over the entire subarea, month ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Author(s): Frolkina, G.A

Pages