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Response to Everson (2008)
is used by CCAMLR in determining the precautionary catch limit for krill, does not appear to ... both crucial input parameters used by CCAMLR to set precautionary catch limits for krill (Hewitt et ... from commercial catch and effort data using maximum entropy tomography. Can. J. Fish. Aquat. Sci., 55 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Автор(ы): Brierley, A.S., B.G. Heywood and S.F. Gull
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Use of indices of predator status and performance in CCAMLR fishery management
difficult and imposing a catch limit, even in a subarea, is unlikely to be the most effective way of ... , nowadays, profit margins are usually small. Restrictions on the timing, location, or permitted catch ... -dependent factors ultimately limit population size (Croxall and Rothery, in press), indices of status and ... catch in an area requires regular reporting of catches by all vessels and a system for informing them ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Автор(ы): Croxall, J.P.
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Conti, 2005; SC-CAMLR, 2010) with a precaution- ary catch limit of 5.6 million tonnes (Conservation ... dramatically over its 30- to 40-year history. The present annual catch in the Atlantic sector of the Southern ... historic maximum catch of over 500 000 tonnes. The most up-to-date large- scale survey took place in 2000 ... Measure 51-01). Despite the low total catch, there is still considerable concern for the negative impact ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Автор(ы): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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Integration of CPUE data into assessments using the Generalised Yield Model
recommended that the catch limit should be equal to that indicated by the GYM analysis (SC-CAMLR, 1999 ... than that indicated by the standardised CPUEs. On these grounds, it recommended that the catch limits ... stock trajectories under a specified catch regime. The procedure numerically integrates a set of ... uncertainties. Summaries of stock status over the liistorical catch period '1s well as into the future have ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
for an interim approach to the setting of precautionary catch limits for this fishery. An approach ... of fishing is 0.75; and (iii) Rule 3: y,, the catch level adopted for a sustainable catch limit ... therefore a need for an interim approach to the setting of precautionary catch limits for this fishery. An ... commercial catch-at-age using VPA (tuned to surveys and CPUE). Since 1990/91 the only data available have ... biomass estimate Coverage of survey Number of runs in simulation for each catch characteristics ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Автор(ы): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
South Georgia in June 1996 provided the basis for determining realistic potential catch rates. File ... catch limit set by CCAMLR. A total of approximately 50 tonnes of M. hyadesi was caught north of the ... June 1996 provided the basis for determining realistic potential catch rates. Dans l'attente du ... been an occasional, and generally small, catch in the I. avge?ztinus fishery since its inception ... , with a larger catch taken near the Falkland/Malvinas Islands in 1986 and 1995. This has increased ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Автор(ы): Rodhouse, P.G
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Using ecosystem monitoring data to detect impacts
precautionary catch limit of krill among small-scale management units in the Scotia Sea. CCAMLR Science, 11 ... to advise on strategies for subdividing a precautionary catch limit among small-scale management ... allows rational use of krill (including expansion beyond current catch levels) but which meets conserva ... triggering tactical adjustments to catch limits in relatively small spatial subdivisions of the fishery ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Автор(ы): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
) Catch limit in 2007 (million tonnes) Biomass (million tonnes) Reference BROKE (1996) Division ... precautionary catch limits can be set for the krill fishery (Nicol et al., 2000a, 2010; Hewitt et al., 2004a ... on fishing method, length fre- quencies, by-catch etc. is collected through the CCAMLR Scheme of ... behaviour of the fishery (e.g. search effort, swarm selectivity) is needed before fisheries catch and ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Автор(ы): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives
might be a by-catch limit in practice) would be set using whichever of these fishing mortalities was ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Автор(ы): de la Mare, W.K. and A. Constable
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
, weight of catch) and image space (density in each pixel) was required. In the application of MaxEnt to ... continue their analysis of possible catch lim- its, but may not provide the best answer for those SSMUs ... CCAMLR-2000 Survey data may not lead to good decisions about catch limits in these regions. The ... application of the ‘precaution- ary principle’ would suggest that, in this state of relative ignorance, catch ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Автор(ы): Heywood, B.G., A.S. Brierley and S.F. Gull
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