Résultats de la recherche
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
new fishery for Dissostichus eleginoides in Chilean waters Abstract / Description: Traditional ... los 3 y 20 aiios y la moda estuvo en el grupo de edad 12. En general se aprecia que los machos son ... errors in cohort analysis. American Fisheries Society Symposium, 6: 49-65. ROBOTHAM, H., V. OJEDA Y W ... de la captura de Merluccius australis. En prensa. WESTRHEIM, S.J. and RICKER, W.E. 1978. Bias in ... 14378 1,63 12631 1,44 19 1796 0,20 1760 0,20 20 1058 0,12 1378 0,16 Total 880772 100,00 879866 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Auteur(s): Robotham, V. H. and Z. Young U.
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Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
Paper Title: Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen) Abstract ... / Description: The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... research cruises. The abundant 1985 cohort of Champsocephalus gunnari appeared in the shelf stock and it ... year to the next (Table 2) in relation to the availability of other exploited species, particularly ... rates of fish stocks in the South Georgia and Kerguelen Islands areas. SC-CAMLR-SSPI4: 229-30. 153 ... split-year I 1985 1986 - -- --- r 1987 1988 Figure 7: Variation in the abundance index ... than three years present over the Kerguelen Shelf was carried out in 1987 and 1988 (Duhamel, 1988 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Auteur(s): Duhamel, G.
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
Paper Title: Diurnal variations in biological characteristics of krill, Euphausia superba Dana ... biologist-observer Abstract / Description: Investigations of diurnal variations in the size composition of ... from March to June 1990. Observations at six daily stations were carried out in various locations ... trawl (9 to 12 tows per station, over one day). An increase in the total average size of animals caught ... to 14 and 18 to 20 hrs. Some changes were also observed in females, but they were less evident than ... WG-KRlLL-92/9 DIURNAL V ARIATIONS IN BIOLOGICAL ... * Abstract Investigations of diurnal variations in the size compoSItion of Euphausia superba were carried ... . Observations at six daily stations were carried out in various locations inside the fishing area. Each station ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Auteur(s): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity
island, 1996/97 and 1997/98: in relation to longline fishing activity Abstract / Description: Marine ... debris found in association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April ... suspending Patagonian toothfish (Dissostichus eleginoides) in blast freezers and 23 toothfish hooks were ... been found in association with seabird nests at Marion Island. Fishery-related marine debris was found ... opposed to 1 300 (Gales, 1998)) and that the amount of hooks set in the respective years was very ... FISHING GEAR ASSOCIATED WITH SEABIRDS AT SUB-ANTARCTIC MARION ISLAND, l996197 AND 1997198: IN RELATION ... Ornithology University of Cape Town Rondebosch 7701, South Africa Abstract Marine debris found in ... eleginoides) in blast freezers and 23 toothfish hooks were found. Prior to this study only three hooks (all ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Auteur(s): Nel, D.C. and J.L. Nel
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
number of feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year ... Paper Title: Long-term trends in the foraging patterns of female Antarctic fur seals at South ... as starving/suckling layers in the teeth of their pups. A collection of unmarked Antarctic fur seal ... teeth from Bird Island, South Georgia, was analyzed to estimate: 1) birth year of individuals, and 2 ... feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year period ... -TERM TRENDS IN THE FORAGING PATTERNS OF FEMALE ANTARCTIC FUR SE!\LS AT SOUTH GEORGIA* 1 J.L ... starving/suckling layers in the teeth of their pups. A collection of unmarked Antarctic fur seal teeth ... from Bird Island, South Georgia, was analyzed to estimate: 1) birth year of individuals, and 2) the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Auteur(s): Bengtson, J.L.
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Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003
Paper Title: Seabird mortality in the Patagonian toothfish longline fishery around Crozet and ... eleginoides) longline fishery operating in the French Exclusive Economic Zones (EEZs) of Crozet and Kerguelen ... ) were caught accidentally in large numbers over this same period. Giant petrels (Macronectes spp ... petrels and grey petrels is explained by the time of year, geographical area and type of longliner (manual ... zone accord- ing to the year. Geographical variations in by-catch also differs during the year ... be r to A pr il) W in te r (M ay to A ug us t) 20 01 / 02 20 02 / 03 20 ... 01 / 02 20 02 / 03 D ur at io n of fi sh in g: 8 m on th s 8 m on th s 4 ... 00 0 3 27 5 20 0 8 76 1 59 8 1 16 7 95 0 L in es s et 92 2 50 8 1 98 6 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Auteur(s): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol
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The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
Paper Title: The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical ... of krill resources in the central part of the Indian Ocean sector of the Antarctic (CCAMLR ... Statistical Divisions 58.4.2 and 58.4.3). Results of surveys conducted from 1988 to 1990 are discussed in the ... paper. It was found that the increase in krill biomass observed in the area in 1990 is linked with the ... in krill biomass observed in the area in 1990 is linked with the abundant 1986 and 1987 year-classes ... and with a diminished rate of emigration of krill of these year-classes from the area in 1989/1990 ... particular, in the southern coastal waters of the area (south of 65°30'S). Until 1988 krill biomass was ... year to year. Therefore, data in Table 1 covers only areas where the same level of detail and accuracy ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Auteur(s): Bibik, V.A. and V.N. Yakovlev
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Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)
Paper Title: Observations on haul-out patterns and trends in the breeding populations of southern ... were taken into consideration: haul-out pattern and the female population trend. In both places, the ... intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp decrease of the female ... "Studies of Sea Mammals in South Latitudes" (J.K. Ling and M.M Bryden, eds.), pp. 19-30. South ... Marion Island. Journal of Applied Ecology, 20 : 707-712. van AARDE, R.J. 1980. Fluctuations in the ... (van Aarde, 1980). In this paper we present information on the last seven years in two breeding ... PATTERNS AND TRENDS IN THE BREEDING POPULATIONS OF SOUTHERN ELEPHANT SEAL AT PENINSULA VALDES (PATAGONIA ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Auteur(s): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87
in 1978/79, 1981/82 and 1986/87 Abstract / Description: Trawl selectivity for several species of ... selectivity experiments in Statistical Area 48 in 1978/79, 1981/82 and 1986/87 seasons. These data comprise ... commercial fishery in Statistical Area 48. File: 13-Slosarczyk-et-al.pdf ... ~ 28 ~ 27 + z 26 w -l I 25 (f) G: 24 + 23 22 20 22 24 26 28 30 32 34 MEAN FISH LENGTH ... z 2.6 0 f= u 2.5 w -l w 2.4 (f) +. 2.3 2.2 2.1 + 2.0 20 22 24 26 28 30 32 34 MEAN ... 25.92 27 20-35 3.78 25.72 26 21 -36 3.71 25.25 27 21 -31 3.69 25.11 26 14-30 3.31 22.53 27 20-34 ... ) Station Haul Time (m in) 131 30 133 30 147 30 155 30 161 30 162 30 165 30 168 30 169 30 170 30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Auteur(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
Georgia in January/February 1991 Abstract / Description: The diet composition and feeding intensity of ... mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991 were analysed in 3 ... 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in the ... stomachs and the feeding intensity were uncommonly low in a period when energy rich food is needed for the ... studies revealed a considerable variation in the importance of each of these prey items from year to year ... 16-year period of observation (Figure 3). A lower krill index in the stomachs was only observed in ... years when krill is abundant it represents the staple food. Mackerel icefish then tend to aggregate in ... areas of krill concentrations. In years of low krill abundance it is replaced in the diet by the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski