Résultats de la recherche
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
catch scenarios (tonnes) 0, 250, 500, 750, 1 000, 2 500, 5 000, 10 000 Simulation specifications ... mature function, but truncated at the upper end such that only the first 10 mature year classes were ... simulations of exploitation history, con- stant catches between 0 and 10 000 tonnes were removed over the ... stable1 (%) Decreasing (%) Increasing or stable1 (%) Indicator Lmean: Decreasing 9 7 7 10 8 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable
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Chilean krill fishery: analysis of the 1991 season
the processing capability of the vessel and as a rule does not exceed 10 tonnes at the time. The ... (2), Figure 10 shows the data for area (3). In areas (1) + (2) only 0.8% of the hauls exceeded 1 ... ). Later in the season, on 10 March the vessel returned to area (2). This time finding a patch at about 62 ... ....... 0 Q) 20 O'l ctl -10 c Q) Q 0 "-Q) (L 1977 1979 1981 1983 1985 1987 1989 1991 Year \-e ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Auteur(s): Marín, V.H., A. Mujica and P. Eberhard
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
provided in Tables 3 to 10. Two main features are apparent: biomass estimates for most species were ... caught during the survey were 10 cm and less, length compositions were very similar for each of the ... confidence intervals, underlining the irregular pattern of occurrence (Table 10). All individuals caught ... - Tables 9 and 10), for example, the refinement of the estimates of areas of seabed accounted for a ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Auteur(s): Kock, K.-H
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
the fi sh. Fishing grounds in the Kerguelen EEZ were sub- divided into 10 contiguous fi shing ... sectors (labelled from 1 to 10), and those in the Crozet EEZ, into nine fi shing sectors (labelled from ... distribution of longline sets in (a) the nine fi shing sectors in the Crozet EEZ, and (b) the 10 fi shing ... ± 15% respectively. In four of the 10 fi shing sectors, CPUE was sig- nifi cantly and negatively ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Auteur(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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Commercial krill fisheries in the Antarctic, 1973 to 1988
(taken in groups by 10-day period and 0.5 0 latitude x 10 longitude) have been available since 1985/86 ... ). Sporadic catches in Statistical Area 88 reached a peak of 10 637 tonnes in 1982/83 and exhibited a ... plot total catches by month for various subareas and time periods (Figure 10). Monthly catch trends ... -season months alone (December to February) (Figure 10) supports this observation. On the other hand, if ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Auteur(s): Miller, D.G.M.
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer
, 10 que sugiere que la convergencia hidrodimimica puede ser la causa de que el kril se acumule en ... , de otros estudios realizados, la biomasa de kril fue menor de 10 previsto hasta principios de ... febrero de 1991. En 10 que respecta a los estados de madurez del kril, predomin6 el kril en desove ... for the depth range of 10 to 200 m or 10 m to bottom if shallower. The top depth of integration (10 m ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
concentrations were situated near the bottom or at 10 to 30 m above the bottom during daylight hours (09:00 to ... . Concentrations were from 5 to 15 m thick (Figure 4). During the daylight hours (11:10-11:45 hr) fish remained ... ). Cruise date and Trawl Time of day vessel name type 00-02 02-04 04-06 06-08 08-10 10-12 12-14 14-16 16 ... Pioner Latvii n=3 n=4 n=4 n= 10 n=9 n=9 n=8 n=5 n=8 n=8 n=3 n=3 April-May 1983 BMRT Bottom 4.8 2.4 2.8 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
Program, two lengths of time were investigated: 10 and 20 years. The correlation matrix was estimated ... small positive (10-5) and a modified correlation matrix be reconstructed using the formula where h ... total length of the time series (20 years was better than 10) and the proportion of the time series in ... increase from 10- to 20-year time series resulted in little change in the median performance but in a ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
over two days, on 9 and 10 June 2007, on the FV Tierra del Fuego near Isla Nueva (55°13.0'S 66°25.4'W ... . For each type of weight and each mass of weight, 10 replicates were set in series (Figure 3). A repli ... - cate comprised three baskets of gear and seven line weights spaced 40 m apart. Each of the 10 ... of each set of 10 replicates within weight mass and weight type, 200 m of connecting line was payed ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
1/10 dilutions of genomic DNA for polymerase chain reactions (PCR). Genetic markers Restriction ... diagonal, (P values estimated after 10 100 Markov chain permutations are given in parentheses), P values ... for exact tests above diagonal (probabilities estimated after 10 100 Markov chain lengths ... 30 13 Nallele 1 10 9 14 6 11 14 Hobs - 0.643 0.793 0.739* 0.533 0.900 0.615* Hexp - 0.810 0.699 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Auteur(s): Appleyard, S.A., R. Williams and R.D. Ward