Résultats de la recherche
-
Small scale krill surveys: simulations based on observed euphausiid distributions
. Thus even under favourable conditions, when the cv is close to 0.3, prey surveys may take 30 or more ... 0 0.0 0.1 20% change in mean density 30% 40% 50 ... . 248 REFERENCES BIOMASS. 1980. FIBEX acoustic survey design. BIOMASS Report Series 14. BIOMASS ... . 1981. Post - FffiEX data interpretation workshop. BIOMASS Report Series 20. BIOMASS. 1986. Post ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 245–256 : Auteur(s): Agnew, D.J. and S. Nicol
-
Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
biore- gion defined on the basis of long-term (up to 30 years) averages of time series (Grant et al ... management area does not provide long-term pro- tection equivalent to that of an MPA, or imply any form of ... . 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
-
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
VB parameter estimates obtained from the length-at-age data and the Fabens (1965) form of the VB ... and the Fabens (1965) form of the VB growth model. Formulae for adjusting predictions for bias ... (1965) form of the VB growth model. Formulae for adjusting predictions for bias imparted by the use of ... VB parameter t0. Note also that if E(ec|Lr) is not zero, then apply- ing the Fabens form of the VB ... binomial/logistic model mentioned earlier. Figure 6 shows that the bias in applying the Fabens form of ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Auteur(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
-
Status of the Polish FIBEX acoustic data from the West Atlantic
estacional que habian sido notificadas anteriormente para el drea y que demostraron ser importantes ... weight density for each integration interval were calculated and combined to form estimates for each ... distribution was of a similar form to that obtained from the other FIBEX cruises; however, it differed ... Workshop. BIOMASS Rep. Ser., 40: 106 pp. BIOMASS. 1991. Non-acoustic Krill Data Analysis Workshop ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson
-
Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
toward area B where "green" krill were detected on 30 Nov. in the hope of quality im- pr.ovemen t ... krill japonaises ont ete observees a bord d'un navire commercial et les operations proprement dites ... (Figure 3). The spatial scale of this good concentration was 100-300 km from east to west and 30-50 km ... on swarm density and within-swarm density. Such processes form a kind of Operations Research which ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.
-
Validation of sink rates of longlines measured using two different methods
compared to 0.17 ± 0.03 m.s –1 recorded by TDRs. This difference was not statistically significant (t 12 ... ± 0.02 m.s –1) were significantly slower than those measured by TDRs (0.24 ± 0.03 m.s –1, t 10 = –3.851 ... pueden ser archivados. Keywords: toothfi sh fi shery, bottom longline, seabird by-catch, line sink rate ... recording the water-entry time of TDRs. Based on TDR data, the differences in sink rates to various target ... temperature where they soaked for at least 30 minutes before being deployed. Since the TDRs may hang on the ... deployment of an instrument about 30 s before it passed through the setting chute. The observer positioned ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Auteur(s): Wienecke, B. and G. Robertson
-
Survey design to estimate krill abundance during FIBEX
1: Research proposals. 259 65' 70' 30'W f~ { t> 1 U1K I h ,.,. ~~ v r~ ~ M ~ ~~I~ D ... participate in the experiment. The coordinated multiship part of the study was scheduled to take 30 days. Two ... to achieve the maximum of survey time in the total available time (about 30 days) each Chief ... Coordination Meeting Report, Dammarie-Ies-Lys, France, 4-6 June 1980. BIOMASS Report Series No. 13: 22 pp, 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Auteur(s): Everson, I., I. Hampton and G.M. Jolly
-
Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
in the Ross Sea (CCAMLR Subarea 88.1). The zones are assumed to form annually as this ageing ... Ross Sea (CCAMLR Subarea 88.1). The zones are assumed to form annually as this ageing methodology has ... calcularon los parámetros de crecimiento de von Bertalanffy. Parece ser que M. whitsoni es una especie ... . holotrachys Species identifi cation and age estimation for M. whitsoni 44 Marriott et al. 0 10 20 30 ... 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Auteur(s): Marriott, P., P.L. Horn and P. McMillan
-
Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
to identify the most abundant species and environmental conditions under which they are used to form ... -Antarctic and Antarctic, and in some places around the Southern Ocean form dense concentrations. It has ... (Konstantinova, 1987, Atlantic sector). Growth rates during the first two years of life were found to be 30 to ... and the Antarctic Convergence areas (between 20° and 30°W) had statistically different length (SL ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Auteur(s): Sabourenkov, E.N.
-
[node:field-journal-volume]:37-51
Ross Sea (CCAMLR Subarea 88.1). The zones are assumed to form annually as this ageing methodology has ... calcularon los parámetros de crecimiento de von Bertalanffy. Parece ser que M. whitsoni es una especie ... . holotrachys Species identifi cation and age estimation for M. whitsoni 44 Marriott et al. 0 10 20 30 ... 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ...
Science Journal Paper : 37–51