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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003

    petrels and grey petrels is explained by the time of year, geographical area and type of longliner (manual ... (Dissostichus eleginoides)). The bird-scaring system consists of one, two or three streamer lines attached at ... two years whereas the spread in effort decreased in the Crozet area. The effort of the fi shing ... 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 : Autor(es): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol

  2. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

    was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or ... Elephant Island. Catches of the species have been small (<50 kg/ 30 min) with the exception of one or two ... properly in the almost 20 years since the fi shery was closed. Two alternatives to the approach generally ... trends in abundance. Despite the closure of the fi shery almost 20 years ago, none of these multi ... ). Consequently, biomass estimates obtained for N. rossii have in general been low. Due to one or two large ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Autor(es): Kock, K.-H., M. Belchier and C.D. Jones

  3. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

    shallow water. The sex ratio of immature D. eleginoides less than 90 cm total length did not significantly ... vary from 1:1. Females accounted for 70% of individuals of more than 90 cm in total length. The stratum ... ); and (iii) Ob Bank (52"30'S, 41°30'E) and Lena Bank (53"0OrS, 44'15'E) (Division 58.4.4). A total ... ; below this depth, the slope fell away sharply making sampling impractical. Only one set was made ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Species Dissosticht~s ... Banks: n = 136, mean length = 111.8 20 a, 0) m 15 0 a 10 5 0 40 45 50 55 60 65 70 75 80 ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Autor(es): López Abellán, L.J. and J.F. González Jiménez

  4. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

    the area around South Georgia from May to July 1992. Two species were predominant in the by-catches ... juvenile fish in catches, normalised to one tonne of krill, ranged from 700 to 18 900 individuals. In the ... 30.05 10 240 15.10-16.00 8 000 25 31.05 90 250 09.40-10.15 7 000 2 5 03.06 10 200 16.20-17.20 2 000 20 ... from May to July 1992 in the South Georgia area. P I a a: 80- 40- 4 g 4 G - + - 60- 20- I ... 1992. Two species were predominant in the by-catches: Charnpsocephalus gunnari and Nototheniops ... , normalised to one tonne of krill, ranged from 700 to 18 900 individuals. In the case of C. gunnari, average ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov

  5. A balanced model of the food web of the Ross Sea, Antarctica

    recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... older and/or larger it changes from one group to another (dimen- sionless); s ijT seasonal transfer ... through trophic effects, that is, by one species feeding on another (Myers et al., 2007; Daskalov et al ... the 69°S line of latitude; to the south by the per- manent ice shelf; to the east and west by land ... shallower than 500 m, 41% of the region has depths 500–1 000 m, and 30% is deeper than 1 000 m. This ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

  6. Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels

    whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... sector and marine mammal species. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 11 12 13 14 15 16 17 ... sperm whales Fishing sector Le ve l o f i nt er ac tio n 90% 80% 70% 60% 50% 40% 30% 20 ... interacting was 8.2 ± 4.7 (n = 552, range 1–20) and 4.1 ± 3.4 (n = 737, range 1–30) individuals respectively ... 3 < 0. 00 1 0. 27 3 0. 00 1 4 2 80 8 44 2 20 9. 1 (1 34 .0 ) 31 6 2 58 1 62 1 ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Autor(es): Roche, C., C. Guinet, N. Gasco and G. Duhamel

  7. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

    two components. One is a model to estimate the date of peak egg laying for a given site in a given ... °28'S 60°46'W); Admiralty Bay, King George Island (62°10'S 58°30'W); Humble Island (64°46'S 64°06'W ... (62°10'S 58°30'W) ADPE 1991–2006 W.Z. Trivelpiece and S.G. Trivelpiece, unpublished Admiralty Bay ... , King George Island (62°10'S 58°30'W) GEPE 1991–2006 W.Z. Trivelpiece and S.G. Trivelpiece ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Autor(es): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

  8. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

    substantial differences, due in part to bias arising from a large number of krill in just one of the station ... successful recruitment year due to krill spawned in 1994/95. File:  06watkins.pdf ... + krill seen in the previous two years but the 2+ krill (mean size 34.2 mm) were small. It is, therefore ... Georgia); this trend was particularly marked in the two years identified above. It is probable that the ... 1989190 and 1992 1 93 were driven by good spawning years two years previously in the Peninsula region ... ; this therefore implies that krill may have taken two years to reach South Georgia. In contrast, the ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L

  9. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

    experimental pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were ... at 42°S after about one year at liberty from some opportunistic tagging carried out on a toothfish ... tagged and recaptured from the same longline vessel in 2002 after up to two months at liberty. The fish ... released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... seas area on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic ... increments. Pot Fishing Experimental pot fi shing was undertaken in 2000 and 2001 by one Uruguayan and two ... and one deepwater haul (500 m) that caught larger toothfi sh (60–80 cm) for tagging. During the fi ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

  10. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

    calculation by using CCAMLR Science, Vol. 20 (2013): 73–80 73 QuantIfyIng vessel performance In the ccamlr ... for Subareas 88.1 and 88.2 by vessel for a space window of 20 km and time window of one season ... years 2000–01 to 2010–11. Document WG-FSA-11/46. CCAMLR, Hobart, Australia: 32 pp. Year of release ... taggIng program: spatIally and temporally controlled measures of tag-detectIon rates S. Mormede and ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Autor(es): Mormede, S. and A. Dunn

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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