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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
. If this were the case, it might mean that some form of replication had taken place. There were two schools ... therefore replaced with the mean of all hauls greater than 1 tonne but excluding the largest value ... . The results from this approach are summarized below: 232 Akademik Knipovich Mean 'large hau1' value ... m 104088 N=9 250 to 500 m 124 N=1 Total 108653 N=13 CV=31% Hill Cove Mean 'large hau1' value = 4 029 ... discussions and analyses of the data from a survey from MV Hill Cove in January 1990 and RV Akademik Knipovich ... increase in the estimated standing stock of Champsocephalus gunnari. The paper describes the ways in which ... Paper Title: Analysis of results from demersal fish surveys at South Georgia, undertaken by the ... in February 1990 around South Georgia. Both surveys were characterized by large numbers of small ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
usIng catch-at-agE and agEd mark-rEcaPturE data from thE maIn trawl ground S.G. Candy, D.C ... , and at the 150th iteration gave an estimate of M of 0.209 (Table 3). The mean of the year-class strength (YCS ... 3). The mean of the estimated YCS parameters was 0.9998. The joint minimisation of L like the BODE model ... 7). Figure 8 shows the estimated linear regres- sion between residual variance and mean expected number ... to 2008. A large proportion of the recaptures of fish released in this fishery were aged and these ... of M have been studied using simulation. In application to the data obtained for the HIMI main trawl ... 0.055 to 0.250 (based on a Poisson over-dispersion estimate of 3). In contrast, the BODE model gave ... Paper Title: Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Author(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
and to obtain information about the mean size (length) of the organisms in each aggregation. In principle ... , and directly from net samplings. The mean size of the crustaceans can be estimated from “in situ” target ... an isolated organism, with no interference from noise or other targets. It means that organisms must occur ... the mean size (length) of the organisms in each aggregation. In principle the abundance of the two ...
Meeting Document : WG-EMM-01/63 : Author(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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The diet of the blue-eyed shag Phalacrocorax atriceps during summer at Nelson Island, Antarctica: temporal variations and consumption rates
by number (60%). The mean mass of the stomach contents was 220 g, whereas the mean number of fish was 7.4 ... by number (60%). The mean mass of the stomach contents was 220 g, whereas the mean number of fish was 7.4 ...
Meeting Document : WG-EMM-95/82 : Author(s): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
0.159 for females. Revised estimates of the mean total length–at– maturity (38.8cm, 46.4cm) and mean age ... for females. Revised estimates of the mean total length–at– maturity (38.8cm, 46.4cm) and mean age–at–maturity ...
Meeting Document : WG-FSA-05/20 : Author(s): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)
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RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA
for this experimental field study. By means of 11 densely-placed hauls with a modified bottom trawl, a seabed area ... by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass and abundance were ... study. By means of 11 densely-placed hauls with a modified bottom trawl, a seabed area of approximately ... by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass and abundance were ...
Meeting Document : WS-VME-09/P05 : Author(s): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.
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RAPID WARMING OF THE OCEAN AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS FOR LOWER TROPHIC LEVELS
, a mean increase of ~0.9°C in January and ~2.3°C in August was evident in the top 100 m of the water ... summer South Georgia water temperatures and mean summer density of E. superba across the southwest ... , a mean increase of ~0.9°C in January and ~2.3°C in August was evident in the top 100 ... negative relationship between summer South Georgia water temperatures and mean summer density of E. superba ...
Meeting Document : WG-EMM-08/P03 : Author(s): M.J. Whitehouse, M.P. Meredith, P. Rothery, A. Atkinson, P. Ward and R.E. Korb
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Home Page
Welcome to CCAMLR The website of the Commission for the Conservation of Antarctic Marine Living ... Welcome to CCAMLR The website of the Commission for the Conservation of Antarctic Marine Living ...
Page : Site Section: The Organisation
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The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean
species. Predation rates of the main fish prey, as mean counts per stomach sampled, were spatially ... of the main fish prey, as mean counts per stomach sampled, were spatially correlated with their relative ...
Meeting Document : WG-FSA-11/P03 : Author(s): J. Roberts, J. Xavier and D. J. Agnew
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Surface areas of seabed within the 500 m isobath regions within the South Shetland Islands (Subarea 48.1)
. These subdivisions were then converted to square areas by means of measuring the distances between isobaths ... -100 m strata are combined. The average slope of seabed, computed using mean polygon angles, ranged ... Paper Title: Surface areas of seabed within the 500 m isobath regions within the South Shetland ... Islands (Subarea 48.1) Abstract / Description: Bathymetric maps of two major areas within the South ... Elephant Island. From the integrated datasets, areas of seabed within the 500 m isobath for six levels of ... Shetland Islands were generated using several integrated bathymetric databases. These areas comprise the ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 133–140 : Author(s): Jones, C.D., S.N. Sexton and R.E. Cosgrove III