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Status of krill target strength
end of the eye to the tip of the telson. When the length is not defined in the cited data source, it ... cited eleven empirical data sources, nine involve measurement of the mean volume backscattering ... least several of the cited empirical data sources, represented in Figure 1, are very likely biased ... cited empirical data sources thus remain as candiates for use. These are those by Foote et al. (1990 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Автор(ы): Foote, K.G., D. Chu and T.K. Stanton
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
CCAMLR Scier~ce, Vol. 8 (2001): 119-132 VARIATIONS IN ... is subject to commercial fishing. Trophic interactions between icefish and krill are thus of ... 40°W and 44"W. The series of data have been grouped by month, beginning in August 1972 and ... to be considered. Investigating the way in which these different components interact and their ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Автор(ы): Everson, I. and K.-H. Kock
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
interactions between species. Species that directly interact with the target and by-catch species (hereafter ... CCAMLR Scier~ce, Vol . 8 (2001): 37-64 THE ECOSYSTEM ... biological interactions.) Figure 2: Structure of the food web around South Georgia Island in the Atlantic ... fishing, particularly those with the strongest interactions with the fished species (Paine, 1980; but ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Автор(ы): Constable, A.J
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Modelling and decision making as part of the CCAMLR management regime
development of suitable simulations of important Antarctic marine ecosystem interactions and to facilitate the ... simulations of important Antarctic marine ecosystem interactions and to facilitate the formulation of a ... interactions importantes de l'ecosysteme marin de l'Antarctique et pour faciliter la formulation d'un ... , simulations of Antarctic marine ecosystem interactions (e.g. May et al 1979; Beddington 1980; Beddington ... appreciable dearth of information on important Antarctic marine ecosystem interactions. - 298 - As ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Автор(ы): Miller, D.G.M.
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
days (range 310-360) and hatch dates were back-calculated to have been in July/August. Although the ... ommastrephid fisheries elsewhere have been August period, when it is proposed that the developed (Beddington ... the limited information currently available, but as a precaution, a closing date from late August ... . Yau and P.G. Rodhouse. 1997. Interactions between oceanography, ecology and fishery biology of the ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Автор(ы): Rodhouse, P.G
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
August, and with a low mean length at depth- April and July. Examination of maturity data suggests that ... in addition to a major spawning event in late July/August, there may be a small spawning event in ... length at depth are May and August, and with a low mean length at depth - April and July. Examination of ... maturity data suggests that in addition to a major spawning event in late July/August, there may be a ... ., 1995), similar t o that i n Chilean waters (July t o August; Moreno et al., 1997) a n d a r ... (CCAMLR, 1994, paragraph 8.27). In 1998 the season was from 1 April to 31 August. South Georgia Shag ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Автор(ы): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
., 2001) that, over the lifespan of the fi sh, age estimates derived from scale readings are lower than ... considered to provide the best and most consistent pattern for readers estimating age (Ashford, 2001 ... . eleginoides were prepared according to the method of Ashford (2001). The left or right otolith from sampled ... prior to the CCAMLR Workshop on Estimating Age in Patagonian Toothfi sh (SC-CAMLR, 2001) at which ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Автор(ы): Ashford, J., C. Jones, S. Bobko and I. Everson
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A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
estima- tion has been studied by Troynikov (1999), Lucena and O’Brien (2001), Taylor et al. (2005) and ... - frequency (LF) sample. Lucena and O’Brien (2001) incorporated gear selectivity in their estimation of the ... ’ function in S-plus (Insightful, 2001) and the ‘fi tnonlinear’ directive in GenStat (Lawes Agricultural ... (Insightful, 2001, p. 435) with 99% confi dence bars shown at seven different release lengths. The pre ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Автор(ы): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
austral winter (August–September) onwards (Kock et al., 2008). Post-larvae and early juveniles are ... zones. Assuming hatching from late austral winter onwards (August–early September), 1 September was ... age esti- mates (or ageing precision) (Campana, 2001), the index of average percent error (APE ... –length dataset rather than the mean length-at-age (Haddon, 2001). The growth performance index (Φ’ = 2 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Автор(ы): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
formulation of Constable’s (2001) multi-species model in Hill et al. (2006). It is modified to include ... Constable (2001), and harvesting and movement are represented with additive loss or gain terms. Hill ... modelled as normally distributed random vari- ables in each area (Constable, 2001): ( )2, ~ , ii k i KKK σ ... taken from Constable (2001). The variances of random variables were chosen to be similar to the ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon
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