Resultados de la búsqueda
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Mitigation of seabird captures during hauling in CCAMLR longline fisheries
Global Seabird Programme Birds Australia Suite 2-05 60 Leicester Street Carlton, Victoria 3053 ... – Single boom with single or multiple suspended objects This consists of a single boom (between 2–6 m ... the two booms, effectively ‘curtaining off’ the haul area (Figure 2). The number of streamers ... 2: Type II BED – Two booms with streamers attached (traditional Brickle curtain design). 159 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Autor(es): Reid, E., B. Sullivan and J. Clark
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Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides
, Casilla 8-V, Valparafso, Chile 2 Universidad Austral de Chile, Casilla 567, Valdivia, Chile 3 paC1 ... -at-age model proposed below relates to this last type of fishery. 2. EVALUATION MODEL The basic ... survey. (1) (2) (3) (4) (5) 5 So as to reduce the number of parameters, the specific ... = bo (0.8 ~ bo ~ 1.6) These were incorporated into the objective function SSQ = L(Pi - J\)2 + A((M ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Autor(es): Zuleta, A.V. and C.A. Moreno
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Status of the FIBEX acoustic data from the West Atlantic
) - one for each cruise (Figure 2); and krill density distributions (gm-2) - one for each cruise (Figure ... (Figure Id). Survey results were originally sent to the BIOMASS Data Centre expressed as tonnes n mile-2 ... /2) has been omitted. The new MVBS values derived from Everson and Madirolas (1993) produce ... into the data. Transect Length h) 3 549.5 2 627.4 1 440.9 313.0 240.8 West Atlantic ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Autor(es): Trathan, P.N. and I. Everson
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Note on estimating krill abundance from acoustic data on individual aggregations
here. 2. ABUNDANCE ESTIMATION BY ECHO-INTEGRATION The primary equation for estimating P j' the mean ... is the fractional cover of aggregations intercepted along ESDU j. (I) Ag andjj are given by: (2 ... received from aggregation k. Substitution of Ik in Equation 2 gives (I) j' and hence P j from Equation 1 ... effort measures to abundance trends. S. Afr. J. Antarct. Res. 17(2): 108-112. BUTTERWORTH, D.S., D.L ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Autor(es): Hampton, I. and D.G.M. Miller
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Some principles for fisheries regulation from an ecosystem perspective
conservation of Antarctic marine living resources 2. For the purposes of this Convention, the term ... point or open loop regulation; (2) passive adaptive regulation; and (3) active adaptaive regulation ... dynamics of the exploited system. Approach (2) incorporates the additional idea that, as exploitation ... relies on approaches (1) and (2). The aim of analytic fishery models such as that of Beverton and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Autor(es): de la Mare, W.K.
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
(Figure 2). The amount of fishing effort covered by this analysis is expressed on the right-hand side of ... Figure 2: Indices of relative detection rates of tagged fish by vessel. The circle and vertical bars ... 2 3 4 79 ... 1 2 3 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Autor(es): Mormede, S. and A. Dunn
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Factors to consider in developing management measures for krill
conservation objectives of the Convention are being met. 2. OBJECTIVES OF CCAMLR 176 The general ... Convention is the conservation of Antarctic marine living resources. 2. For the purposes of this ... ; and, (2) measures are not sufficient to prevent over-harvesting. An important property of a rational ... examined (1) Reactive management. (2) Predictive management (modelling). (3) Open and closed areas. (4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Autor(es): de la Mare, W.K.
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
: Abundance estimates (b) and their confidence bl = B - (12) j=2 intervals are calculated in the usual way ... square of the area of the survey: k X j=l ob2 = 6 2 ~ 2 (8) In the case of stratified surveys, it ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Autor(es): de la Mare, W.K
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Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements
adult Adelie penguins. 2. DESCRIPTION OF THE TECHNIQUE A sample of 46 adult birds was used for the ... Natural History 2: 1-165. 545 DIXON, W.J. 1981. BMDP Biomedical Computer Programs. USA: University ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Autor(es): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
fishery. 2. FEEDBACK MANAGEMENT Feedback management uses information on the status of the ecosystem to ... . Can. J. Fish. Aquat. Sci., 47: 2-15. SC-CAMLR. 1990. Report of the Ninth Meeting of the Scientific ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Autor(es): Constable, A.J.