Résultats de la recherche
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
entry into pots by small crabs. Further pot fishing is planned for the 2000/01 season. This will ... MapTa IIO Mafi 2000 r. C O ~ ~ H H ~ H H O ~ K O ~ O ~ ~ B C T B O IIpOBeJlO 3KCIIepIIMeHTbI IIO ... HAM CBeCTH Ha HCT IIO~OYHYK) CMePTHOCTb IITMIJ. B H ~ c T o X I Q ~ ~ ~ pa60~e OIIPICbIBaIoTCX ... 3KCIIepPIMeHTbI PI PIX pe3ynbTaTbI M O ~ C ~ X Q ~ ~ T C R KOMMepYeCKOe Gy~yqee 3TOTO MeTOAa AnX IIpOMbICJIOB ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
established to assist with such classification (IUCN, 1994). While these may be the last form of protectioi ... 20-30 years, wl~ich is the critical period over which the system should not be irreversibly changed ... be related directly t o the effects o f fishing. These features are currently unavailable i n ... ecosystem approaches t o managing fisheries, which do not weight input data for assessments, such as per ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
would form a considerable proportion of the catch. The observed age distribution from a stock ... standardised form and standardised according to the method described in Section 2.1. The calculation of ... the survey t (July = month 1, August = month 2 etc.), and known catches C in month i, the number of ... fish N of age a on 1 July was approximated to: (t-1M) t 1 (i-1M) N = N • e 12 + ~ C .• e 12 a at ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Auteur(s): Parkes, G.
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
Lincoln-Petersen equation, the simplest form of an abundance estimator using tag-recapture data, was used ... – dirk.welsford@aad.gov.au Abstract The Lincoln-Petersen equation, the simplest form of an abundance estimator ... features in common with the simplest form of an abundance estimator, known as the Lincoln- Petersen ... controlled measures of survival and tag-detection for the CCAMLR tagging program. Document WG-SAM-12/30 ... example, anchoring the standard size of CCAMLR T-bar tags between the pterygiophores at the base of the ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
following year the information in Frolkina and Dorovskikh (1990) was presented in revised form in Frolkina ... Kochkin (1995). Natural Mortality Rate in Mackerel Icefish around South Georgia In the form used by ... mortalit6 dependant de l'2ge et ?I la p@che commerciale. B A ~ H H O ~ ~ CTaTbe o ~ c ~ K J @ ~ H ) T c ... X AaHHbIe no ~ C T ~ C T B ~ H H O ~ ~ CMepTHOCTLl JIenX~ofi pb16b1 (Champsocephalus gunnari) 3a ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Auteur(s): Everson, I
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Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
management area does not provide long-term pro- tection equivalent to that of an MPA, or imply any form of ... biore- gion defined on the basis of long-term (up to 30 years) averages of time series (Grant et al ... . 2002. Rigor and Representativeness in Marine Protected Area Design. Coastal Man- agement, 30 (3): 237 ... (Figure 1a). Proposed in original form in FAO (1976); further subdivision proposed in Everson (1977 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Auteur(s): Grant, S.M., S.L. Hill and P.T. Fretwell
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
. _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year ... 2008 to 30 November 2009 would be referred to as 2009. 41 A stock assessment model of D. mawsoni ... north fishery selectivity 10 20 30 40 50 Age Age Age ... Age Age Age 10 20 30 40 50 10 20 ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Auteur(s): Mormede, S., A. Dunn and S.M. Hanchet
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
data to be input as the total yearly frequency in the form of class proportions com- bined with the ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Auteur(s): Candy, S.G
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
the fishing ground north of Livingston Island (Figure 1). A total of 30 experiments on TS measurement ... including 30 co-operative experiments, was provided by the trawler. The number of krill aggregations per ... tow were: one (30 instances); two (one instance); three (two instances); and six (one instance). All ... of 7.17 g/m3 (N=30, SO=8.84 g/m3). The net density ranged from 4.49 to 73.33 g/m3 with a mean of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Auteur(s): Endo, Y. and Y. Shimadzu
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
and similarly, by joining the southernmost records to form the southern limit of distribution ... refuge for E. superba in summer. Surface Krill E. superba is known to form surface swarms (Marr ... . Constable and T. Pauly Australian Antarctic Division Channel Highway, Kingston 7050 Tasmania, Australia ... O ~ M T ~ H M I I KPHJIR. O ~ ~ H K H 6 ~ o ~ a c c b 1 COCTaBJIXWT M e X A y 61 H 155 MJIH. T ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Auteur(s): Nicol, S., A.J. Constable and T. Pauly