Search results
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Estimating optimal observer coverage in the Antarctic krill fishery
on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... been present on board for about 30% of that season. They have achieved a rate of krill sampling ... placés sur environ 50% des navires pêchant en une saison et étaient présents à bord pendant environ 30 ... промысел в один из сезонов, и остаются на судах примерно в течение 30% этого сезона. Они добились для ... pescan en una temporada cualquiera, permaneciendo éstos a bordo durante un 30% de la temporada. La tasa ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
/operator) was set for the 1996/97 season, which was limited to the period from 30 October 1996 to 31 ... by the standardised commercial CPUE series for the Prince Edward Islands EEZ. Year CPUE 1997 2.601 1998 ... to be knife-edge in age for the base case; for the sensitivity test for Division 58.5.2 the functional forms ... by the standardised CPUE series of Table 3 is assumed to be biased either up or down by 10% per year. (vi) Use ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Author(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
in a generalised linear model (GLM) with a square-root link function and a unit variance function. A time series ... ), in order to provide more efficient estimates of the standardised CPUE time series and more realistic ... function. A time series of standardised CPUE estimates and their precision can be obtained from the &lsquo ... efficient estimates of the standardised CPUE time series and more realistic estimates of their precision ... in a generalised linear model (GLM) with a square-root link function and a unit variance function. A time series ... to provide more effi cient estimates of the standardised CPUE time series and more realistic estimates ... de raíz cuadrada y una función de varianza unitaria. Se puede obtener una serie cronológica de ... series of standardised CPUE estimates, where standardisation is carried out using predictions from a fi ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S and 53 o-57 ... o 30´W) for proportional recruit and density indices. Proportional recruitment indices were re ... to the representativeness of the study area (60°-62o30´S and 53o-57o30´W) for proportional recruit ... to the representativeness of the study area (60°-62030'S and 53"-57'30'W) for proportional recruit and density indices ... de la zone de 1'Ele ~lepl-rant relativeinent a l'a-propos du secteur etudie (60'-62'30's et 53'-57 ... "30'0) pour les indices de recrutement proportionnel et de densite. Nouveaux calculs des indices ... ~ 3 y ~ a e ~ o r - o pafio~a (60"-62O30'm.ur. H 53"-57'30'3.n.) an2 sbrwcnewax HHaeKcoe nponopqMoHanbHoro ...
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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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the functional form of selectivity ... a minor misspecification of the functional form of selectivity was fitted by the BODE model, in comparison ... sigmoidally shaped selectivity was simulated, and the functional form of selectivity was correctly specified ... of the functional form of selectivity was fitted by the BODE model, in comparison the CCODE model gave superior ... with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the functional form of selectivity ... , when a minor misspecification of the functional form of selectivity was fitted by the BODE model ... of the parameters of a fishing selectivity function. The form of this function is assumed to be known and the same ... that it is usual to assume that both the form and parameter values for the function for Sa do not vary across ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Author(s): Candy, S.G.
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
) abundance estimates by length bin, commercial catch-at-length data, standardised CPUE series for the trawl ... data. A key uncertainty is the number of ages fully selected by the main survey series. With all ... , standardised CPUE series for the trawl grounds, and tag releases and recoveries by length bin, is described ... exclusion of the tag data. A key uncertainty is the number of ages fully selected by the main survey series ... by length bin, commercial catch-at-length data, standardised CPUE series for the trawl grounds, and tag ... uncertainty is the number of ages fully selected by the main survey series. With all the data included ... aleatoriamente (RSTS), los datos de talla de las capturas comerciales, las series cronológicas de la CPUE ... totalmente por la serie de la prospección principal. Cuando todos los datos han sido incluidos en el modelo ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable
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Consideration of major issues in ecosystem monitoring and management
prédateurs. Le programme de contrôle de l’écosystème de la CCAMLR (CEMP) forme un cadre appropié à l’étude ... (SC-CAMLR, 1995) and can be summarised as the following series of questions: (i) Is the availability ... trip duration 2–3 months Several days 20–100 C2 Pup growth 2–3 months 2–3 months 30–150 Calendar dateP ... prior to that time. The CEMP database, augmented by national programs, consequently forms a very ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I
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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ... Ocean. A series of fronts form which are collectively referred to as the Weddell-Scotia Confluence ... eaux circumpolaires plus chaudes venant de I'ocean Pacifique. La se forme une serie de fronts connus ... waters from the Weddell Sea meet warmer circumpolar water from the Pacific Ocean. A series of fronts ... form which are collectively referred to as the Weddell-Scotia Confluence. Within the Confluence region ... OKeaHa H MOpR CKOTH.H 30HOH pa3nHqHOH WHpHHbI (OT 1 0 ~o 100 KM.) , KOTOPYIO nyqlIIe Bcero ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Author(s): Gordon, A.L.
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
wilsoni), formed concentrations. Information on these fishing operations was, however, sparse, being ... was available on the reproduction and feeding of some of the species. Krill (Euphausia superba) formed a major ... , the spiny icefish (Chaenodraco wilsoni), formed concentrations. Information on these fishing operations ... (Euphausia superba) formed a major element in the diet of icefish. ... Sea, C. wilsoni tended to form concentrations on the northern part of the shelf on the border ... ), formed concentrations. Information on these fi shing operations was, however, sparse, being restricted ... ) formed a major element in the diet of icefi sh. Résumé Au cours de l'expédition antarctique ANT XIX ... layers. Towing time was 30 minutes on the bottom during scientifi c hauls. Towing time during com ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
deployed at a level of 30 m from the surface because at this level krill concentrations are most frequently ... drogues deployed at a level of 30 m from the surface because at this level krill concentrations are most ... with satellite-tracked buoys equipped with curtain drogues deployed at a level of 30 m from the surface because ... d'ancres de cape, deployees a 30 m de profondeur, niveau auquel les concentrations de kriU sont le plus ... , KOTopble 6bIJIH pa3MeIl\eHbI Ha ypOBHe 30 MeTpoB OT nOBepxHocTH, nOCKOJIbKY lIaIl\e Bcero KOHl.\eHTpal ... 1990/91 r. 6bIJIa HH)I{e, lIeM B npe,l{bI,l{YII.\He ce30HbI. 06I1.\a.5I 6HoMacca KPHJI.5I B meJIb ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu