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Potential nursery areas for fish in the Prydz Bay region
break. The dominant size class was of 45 mm standard length, which corresponds to an age of 1 ... Paper Title: Potential nursery areas for fish in the Prydz Bay region Abstract / Description: A ... for the shelf area of the Bay to be a nursery ground for nototheniid and channichthyid fish. Nearly ... antarcticum. This species was abundant (up to 9 100 were caught in a 30 minute haul) especially near the shelf ... standard length, which corresponds to an age of 1+. Nototheniids and channichthyid juveniles were much ... 7 to 8 m high, and nets were towed at fishing depth for a standard haul duration of 30 minutes at 3 ... . antarcticum catches. 375 -64 individuals/30 minute trawl 1 5 0 10 0 20 0 Q) "Cl 0 B 30 :;l ... . 377 -64 individuals/30 minute trawl 1 5 0 10 0 0 Cl) 20 -d 0 E 000 0 30 0 :.;::l 0 .s ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Autor(es): Williams, R.
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
Paper Title: Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1 ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ... /hook (Subarea 88.3), 19.1 g/hook (Subarea 48.1) and 3.0 g/hook (Subarea 48.2), and an average over all ... occurs. The search for new fishing areas will have an impact on present and future fisheries for D ... of males ranged between 37 and 142 cm, with an average of 78.5 cm (SD = 25.1), while for females it ... for both sexes. This gives an average yield of 59% for the HGT product. With the maturity scale ... general similar to those reported for other regions. Concerning the biological aspects, an allometric ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Autor(es): Arana, P.M. and R. Vega
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
paper is concerned with conceptualising an element of the ecosystem to account for the varying qualities ... ecosystem for evaluating krill management procedures Abstract / Description: CCAMLR is developing a ... management procedure for the krill fishery, including the evaluation of candidate management procedures in a ... framework for erecting such models. It discusses the general model requirements and presents a conceptual ... of an ecosystem-based management pro- cedure for krill (CCAMLR, 2001). This has entailed the ... life stage is most easily envisaged for animals moving from one age class to the next, as in an age ... conceptualising an element of the ecosystem to account for the varying qualities of data and knowledge and for ... model relationships. The fi rst stage in developing an ecosystem model for evaluating management ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Autor(es): Constable, A.J
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
Paper Title: A simulation study of the method of deriving natural mortality rate using data for ... been correctly chosen. Data for Champsocephalus gunnari in Subarea 48.3 are used to show that the ... Frolkina and Dorovskikh, 1990). Age composition of the catches, Ca.)!, for a series of years and ... mortality rates and fishing mortality rates for the oldest age group by fishing year are estimated by the ... tuning algorithm; (iv) mean weighted values of annual fishing mortality, F y, for all age groups fully ... =e {.y- an .
for a> 0, Wa,y = WO,y = wl/2,y for a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Autor(es): Gasyukov, P.S. and R.S. Dorovskikh
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
fisheries impact incidentally on an ecosystem, (ii) what should be the conservation objectives for predators ... Paper Title: The ecosystem approach to managing fisheries: achieving conservation objectives for ... in its infancy. A general approach is proposed for maintaining ecological relationships and providing ... for the recovery of depleted populations in food webs supporting fisheries. This paper addresses the ... 20-30 years, wl~ich is the critical period over which the system should not be irreversibly changed ... of offspring (age 0) in that year (for simplicity below, recruitment is assumed to occur at end of ... inainmals - M AG Americas, 2000) Age at maturity (years) Plus class Natural mortality (year-]) Body ... years (see text for details). Year Figure 7: Individual productivity for each predator in the trial ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Autor(es): Constable, A.J
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Proposal of the Russian Federation to establish research TAC for closed SSRU in Subareas 88.1 and 88.2
Abstract: Over the last three years at the meetings of WGs and CCAMLR SC a question about ... research TAC in open and closed SSRUs of the Ross Sea has been raised. In accordance with established ... : Proposal of the Russian Federation to establish research TAC for closed SSRU in Subareas 88.1 and 88.2 ... Microsoft Word File: sam-15-20.docx Approval: Approved Secretariat Workflow Status: Content Approved ...
Meeting Document : WG-SAM-15/20 : Autor(es): Delegation of the Russian Federation
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Availability of resources for activities
Convention’s objectives. This Review has highlighted many areas which will require greater attention and ... financial resources over coming years. In addition, it appears that the growth in fishing operations (if not ... for finfish then certainly for krill) will continue. In these circumstances, the RP saw significant ... merit in the Commission seeking to expand its financial base through identifying and charging for the ...
Page : Site Section: The Organisation
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... preyed on by these seals. This paper provides an updated analysis of the age of toothfish taken by ... Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect the ... identified otoliths, based on the similarities of size and erosion state. Estimates of age were obtained from ...
Meeting Document : WG-EMM-97/42 : Autor(es): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
Paper Title: The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3 Abstract ... / Description: The 1991/92 longline fishery for Dissostichus eleginoides in Subarea 48.3 was open from 4 ... Russian c 20 to 25 mm 120 cm 2400 - 4800 Russian d 20 to 25 mm 120 cm 13500 Russiane 25 to 30 mm 120 cm ... ler.gth (cm) 40 50 60 70 itl --l .r: ~ :J 0 (f) 80 90 100110120130140150160170180 Standard ... '0 250 .. .., 200 .0 E " 150 :z 100 50 0 40 50 60 70 80 90 100110120130140150160170180 ... 0 0 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 40 50 60 70 80 90 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Autor(es): Agnew, D.J. and C.A. Moreno
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Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
WG-SAM for review by 2011 to 2012. 8 TOT 58.4.4 9 30. However, some members of the ... taking into account the comments of WG-SAM-09, the proposal was submitted to WG-FSA for review as paper ... rate of 2.7 %, which is an average of the value of 3.8%, which was applied for Divisions 58.4.1 and ... could be collated for input into an integrated assessment framework such as CASAL and be submitted to ...
Document : Site Section: Publications