Search results
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An index of per capita recruitment
sections the index is derived and its statistical properties relative to those of R1 are described ... of spawners. In the final section, the time series of RI, derived from length- density distributions ... to spawning by age-l animals is explored in subsequent sections. STATISTICAL PROPERTIES As proposed ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
survey sections overlapped. A single stratum value for (p A) was obtained by combining the individual ... survey section densities, having weighted these by the inverse of their variance using equations ... into FAO Statistical Area 41. These transect sections were allocated into a new stratum (Table ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
for Pacific. Re 'on (Numbers in?rackets refer to digitised map sections) Peninsula (5) South Orkneys ... of krill in the southeast Indian Ocean sector. The digitised section of the Discovery Reports map ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Author(s): Nicol, S., A.J. Constable and T. Pauly
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
and examined. The discussion section of the paper suggests methods for incorporating uncertainty ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
in order to construct the estimates. These assumptions are discussed in detail in the next section ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
in spawning condition, but during August 1990 the size range of fish comprised only immature specimens ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G
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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
assumptions, described in more detail in the section on methods. All selectivity investigations were ... identical. Their initial sections fluctuated at the same level (50-70%) and starting from a certain length ... are similar, consisting of two sections: the initial one characterizes the selectivity for fish ... quantitative differences. Each of the curves consisted of two segments (sections) : the first, depicting ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Author(s): Zaucha, J.
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
on biological interactions explicitly considered in the alternative: Presumably, as more information ... censuses, (8) Krill surveys, and (9) Models of predator-prey interactions. This paper is intended ... does not consider interactions between kriU and dependent predators. The data used to calculate ... interactions between krill and dependent predators. This alternative does not require data collection, so data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt
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The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns
. From May to August 1983 fi shing conditions in Subarea 48.3 were reported as either ‘unstable ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Author(s): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
and August in southern Chilean waters; in waters surrounding South Georgia, Kerguelen and Crozet Islands ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Author(s): Arana, P.M. and R. Vega