Search results
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Fish distribution and biomass in the Heard Island zone (Division 58.5.2)
. This is especially true as these are estimates of an unexploited biomass. A precautionary catch limit for each ... (Slosarczyk and Wysokinski, 1980; Sosinski, 1985), and the possibility that some of the Soviet catch ... m. In all future references to these strata, they are named according to their deepest limit, i.e ... subsumed back into 500 because catch rates were not substantially different from the rest of the 500 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare
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Environment–krill relations in the South Georgia marine ecosystem
catches of krill taken as p a r t of t h e 'Discovery ' exped i t i ons a n d t h e occurrence ... of 'warm' or 'cold' years. In very cold seasons (e.g. 1927/28, 1930/31) krill catches were significantly ... in abundance or distribution at one or more scales. In this paper a time series of the catch per unit ... variability of krill around South Georgia. METHODS AND DATA Catch per Unit Effort Some measure of catch ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Author(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region
months, and annual catches have averaged about 2 700 tonnes since 2003. The catch limits for Antarctic ... by areal closures (approxi- mately 70% of the total region), local area catch- limits, by-catch move ... currently used for setting catch limits in the region is likely to be biased low, adding a conservative ... limited in applications (see Goethel et al., 2011, for a review). They have high computational and data ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Author(s): Mormede, S., A. Dunn, S. Hanchet and S. Parker
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Status of the FIBEX acoustic data from the West Atlantic
for the Conservation of Antarctic Marine Living Resources (CCAMLR) set a precautionary catch limit for Antarctic ... ) (Anon., 1986). At the time the precautionary catch limit was set, SC-CAMLR also requested ... krill in Statistical Area 48 (Conservation Measure 32/X). This limit was based on calculations ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Author(s): Trathan, P.N. and I. Everson
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
implications which need to be taken into account in the revision of precautionary krill catch limits. Leaving ... . Further computations of the consequences of setting the annual krill catch limit to a fixed fraction ... l + (R,) was calculated for a spatially limited station grid and was based on length frequency data applying ... almost as far north as 59"s (Nast, 1982; Siegel et al., 1990). This northern limit of krill ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Author(s): Siegel, V., W. de la Mare and V. Loeb
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
annual yield of krill in FAO Statistical Area 48 and the precautionary catch limit for the fishery ... into the GYM. This has subsequently led to revised management procedures and a new precautionary catch limit ... . 1994. Further computations of the consequences of setting the annual krill catch limit to a fixed ... ce document sont decrites les raisons ayant determine la selection des strates et les limites de la ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
discussions (see Nicol, 1991 for review) and resulted in the establishment of a Precautionary Catch Limit ... given a high priority to the establishment of additional precautionary catch limits in the other parts ... concentrated mostly within only a few areas from which most of the krill catch is taken. Further, the WG ... proportion of the krill catch is taken currently (SC-CAMLR, 1991 - paragraph 6.34), may impact ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Author(s): Constable, A.J.
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Response to Everson (2008)
by CCAMLR to set precautionary catch limits for krill (Hewitt et al., 2004), so it is important ... ) (Constable and de la Mare, 1996), that is used by CCAMLR in determining the precautionary catch limit ... ). There is no reason to suppose that any of the limited number of sur- vey transects would pass exactly through ... of fish1998. Fine-scale mapping of fish distribution from commercial catch and effort data using maximum ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Author(s): Brierley, A.S., B.G. Heywood and S.F. Gull
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
juvenile trawl of 13.6 m. The size range of juvenile icefish collected was 82–146 mm. Catches were ... mm. Catches were the highest in the west, south and south-east shelf areas and the greatest abundance ... m. The size range of juvenile icefish collected was 82-146 mm. Catches were the highest in the west, south ... . Catchability was assumed to be 1. SPATIAL DISTRIBUTION OF JUVENILES The largest catches of juvenile ... mackerel icefish were taken in the west, south and south-east shelf areas. Minimum catches were made ... to the north of the island where juveniles were usually absent from the catches. Juvenile mackerel icefish ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Author(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
over 60 million tonnes (Demer and Conti, 2005; SC-CAMLR, 2010) with a precaution- ary catch limit ... of krill has varied dramatically over its 30- to 40-year history. The present annual catch ... level of 620 000 tonnes and the historic maximum catch of over 500 000 tonnes. The most up-to-date ... of 5.6 million tonnes (Conservation Measure 51-01). Despite the low total catch, there is still ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Author(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins