Search results
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Some principles for fisheries regulation from an ecosystem perspective
being recognised (Tanaka, 1984; de la Mare, 1986a and 1986b). Di Stefano, Stubberbud and Williams ... . Simulations studies on management procedures. Rep. into Whal. Commn 36:429-50. - 338 - Di Stefano Ill ... / Description: The paper discusses some principles to be considered in the formulation of a framework for the ... regulation of fisheries from an ecosystem perspective, under the Convention for the Conservation of Antarctic ... regulation which have a more rigorous scientific interpretation than the broad principles of conservation set ... framed in terms of quantities which can be robustly estimated, thus allowing the degree to which ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Author(s): de la Mare, W.K.
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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
of D. eleginoides dis- tri bution in Area 51 at 37ºS (Pschenichnov, pers. comm.). According to the Park et al ... Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... , following commercial fishing procedures, in a restricted area south of Madagascar and north of Prince Edward ... and Marion Islands and the Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was ... from 53 to 1 158 kg. The northward distribution of D. eleginoides is closely related to the extension ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Author(s): López Abellán, L.J
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Mitigation of seabird captures during hauling in CCAMLR longline fisheries
and from dis- cussion with observers and operators, suggests that there are two key aspects of effective ... Paper Title: Mitigation of seabird captures during hauling in CCAMLR longline fisheries Abstract ... as 1994/95 when steps were taken to reduce the attraction of seabirds to vessels during the hauling ... process. Since 2003, increased efforts have been made to improve the design and performance of bird ... suggest that there are two key aspects of effective BEDs, firstly that they provide a deterrent to ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Author(s): Reid, E., B. Sullivan and J. Clark
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
in dis- tances between hauls when catch levels fell below 10 tonnes was clearly retained for Japan when ... The statements above by Butterworth (1988a) seem to be supported from the analysis of dis- tances between hauls ... Paper Title: Quantifying movement behaviour of vessels in the Antarctic krill fishery Abstract ... / Description: Ten years of recent fine-scale haul-by-haul krill data were used to characterise the behaviour ... of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a ... number of fishing grounds within this area. The same patterns were observed for vessels from other ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Author(s): Kawaguchi, S. and S.G. Candy
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Chilean krill fishery: analysis of the 1991 season
of the hauls. The results show that the autocorrelation function for both variables "dies out" after five ... Paper Title: Chilean krill fishery: analysis of the 1991 season Abstract / Description: This ... paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ... data and its use in studying small-scale spatial distribution of catches. The results show that krill ... fishing in Subarea 48.1 is particularly intense near CEMP sites. Other ways of using of haul-by-haul data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Author(s): Marín, V.H., A. Mujica and P. Eberhard
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
, and a 35-year projection period for assessments of long-lived species such as Dis- sostichus spp. is used ... Paper Title: Evaluating the impact of multi-year research catch limits on overfished toothfish ... populations Abstract / Description: In stocks that have been depleted by overfishing, the benefit of ... may contribute to delaying or preventing the recovery of such stocks. Through simulating a Patagonian ... toothfish (Dissostichus eleginoides) stock that has been subjected to varying levels of overfishing and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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Integration of CPUE data into assessments using the Generalised Yield Model
to the development o f metlzods o f integrating di f ferent indicators o f stock status into assessments using ... Paper Title: Integration of CPUE data into assessments using the Generalised Yield Model Abstract ... accorded high priority to the development of methods of integrating different indicators of stock status ... the use of importance sampling, for incorporating information on trends in standardised CPUEs into GYM ... assessments. The use of the method is illustrated using data for Patagonian toothfish (Dissostichus ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
t:OfflPreh_ensive collectio11,e; of suitable ref1Uel'1t1P. rrr.!!te:r-la!, ,-artic:u!ar-1::,1 the let-5!. di ... Paper Title: Research currently being undertaken by the Republic of South Africa on " ... components of the biological sciences programme are described. The primary objective of the studies being ... undertaken is to improve our understanding of the ecology of important predators (especially seals and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Author(s): South Africa
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
data were derived and plotted against total catch for each longline fishing event. The dis- tribution ... - lation framework are worthy avenues for further investigation. However, none of the scenarios dis ... Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... CCAMLR Scientific Committee expressed concern as to the status of the stock on which the exploratory ... Dissostichus spp. fishery on BANZARE Bank (CCAMLR Division 58.4.3b) was based. This paper presents a summary of ... fine-scale catch and effort data held by CCAMLR for BANZARE Bank, as well as descriptive analyses of ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?
/O or cr2/0z sample size cr/O or cr2/0z sample size v in units of % success of a, in b,in standard dis ... index of a morphometric characteristic? Abstract / Description: In sexually dimorphic species ... discriminant analysis can be used to determine the sex of individuals, it is only able to correctly sex a ... certain proportion of birds. Two overlapping normal distributions are used to show that there is a ... using discriminant analysis. When discriminant functions are able to correctly determine the sex of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Author(s): Agnew, D.J.