Résultats de la recherche

1. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   –5.0 mgC 1 –1. Intermoult period (IP) decreased, but an increment of body length per moult (∆BL) of ... juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... on IP or (∆BL was seen at concentration beyond 1.0 mgC 1 –1. IP plateaued at 23.8 days and (∆BL ... 0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... superba) were fed Phaeodactylum tricornutum, at concentrations ranging from 0.0-5.0 mgC 1 1. Intermoult ... to a concentration of 1.0 mgC 1-1 • No further effect of food concentrations on IP or 6BL was seen ... at concentration beyond 1.0 mgC 1-1 • IP plateaued at 23.8 days and 6BL, 1.14mm. From these results ... concentrations allant de 0.0-5.0 mgC 1-1. La periode d' entremue (IP) a diminue mais la longueur corporelle par ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas

2. The survivorship of rays discarded from the South Georgia longline fishery

   waters shallower than 1 300 m (i.e. 1 200–1 300 m), 46% in waters 1 300–1 500 m, and 24% in waters ... between 1 500 and 2 000 m. These findings support CCAMLR’s recommendation that skates and rays be cut from ... % in waters shallower than 1 300 m (i.e. 1 200–1 300 m), 46% in waters 1 300–1 500 m, and 24% in ... waters between 1 500 and 2 000 m. These fi ndings support CCAMLR’s recommendation that skates and rays ... une légère infl uence sur leur survie. La survie au rejet était de 75% dans les eaux de moins de 1 ... 300 m de profondeur (1 200–1 300 m), 46% dans les eaux de 1 300–1 500 m et 24% dans les eaux de 1 500 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Auteur(s): Endicott, M. and D.J. Agnew

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

   October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ... vary from 1:1. Females accounted for 70% of individuals of more than 90 cm in total length. The stratum ... between areas. Catch per unit effort ranged from a maximum value of 359 kg/1 000 hooks on Ob and Lena ... , Espaiia Abstract A bottom longline survey took place between 22 October and 1 December 1997, and ... 1 500-2 000 m. Numerically, catches were dominated by Patagonian toothfish (Dissostichus ... ratio of immature D. eleginoides less than 90 cm total length did not significantly vary from 1:l ... (bancs Shona et Spiess, pente occidentale de 1'Ele Bouvet, bancs Ob et Lena). Des echantillons ont et6 ...

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

4. Validation of sink rates of longlines measured using two different methods

   / Description:  Sink rates of integrated weight longlines (lines with 50 g.m –1 lead integrated into two strands ... plastic bottles (bottle method). Sink rates measured to 2 m with bottles averaged 0.23 ± 0.07 m.s –1 ... 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 ... with 50 g.m–1 lead integrated into two strands of the ground line – IW-50 lines) were measured during ... with bottles averaged 0.23 ± 0.07 m.s–1 compared to 0.17 ± 0.03 m.s–1 recorded by TDRs. This ... , sink rates measured using the bottle method (0.20 ± 0.02 m.s–1) were signifi cantly slower than those ... measured by TDRs (0.24 ± 0.03 m.s–1, t10 = –3.851, P = 0.003). Measuring sink rates to 15 m proved diffi ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Auteur(s): Wienecke, B. and G. Robertson

5. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   analysis of local depletion events. Results indicated SSRU vulnerable population sizes of about 100–1 000 ... tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes per SSRU in the east (Division ... allowable catch (1 380 tonnes).   File:  03agnew-et-al.pdf ... population sizes of about 100–1 000 tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes ... ) is much lower than the current total allowable catch (1 380 tonnes). Résumé Des pêcheries ... des SSRU s’élève à environ 100–1 000 tonnes par SSRU dans l’ouest (division 58.4.2) et à 1 000–1 700 ... faible que la capture totale admissible actuellement (1 380 tonnes). Резюме Поисковые промыслы видов ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

6. Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).

   +, 4+, 5+) dominated in Antarctic Circumpolar Current (ACC) waters in the northern parts. No 1+ age ... cohort was found in catches in 2009 or in 2010. This absence of 1+ E. superba is unlikely to be a result ... of trawl selectivity as adult Pygmy krill (E. frigida) (of the same size as 1+ krill) were present in ... ; Candy and Kawaguchi, 2006). Nevertheless, age cohorts have been identified for juvenile krill (age 1 ... Circumpolar Current (ACC) waters in the northern parts. No 1+ age cohort was found in catches in 2009 or in ... 2010. This absence of 1+ E. superba is unlikely to be a result of trawl selectivity as adult Pygmy ... krill (E. frigida) (of the same size as 1+ krill) were present in the catches. Keywords: Antarctic ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Auteur(s): Sologub, D.O. and A.V. Remeslo

7. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   measures. Three years were analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 ... catches attributable to IUU fishing were 776, 1 019 and 198 tonnes in 1998/99, 1999/2000 and 2000/01 ... respectively (a total over the three years of 1 994 tonnes). The distribution of estimated total bird catch was ... limits were calculated to be 54–2 017, 468–1 779 and 22–487 tonnes respectively for fish and 162–7 752, 1 ... analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 October to 30 September ... IUU fi shing were 776, 1 019 and 198 tonnes in 1998/99, 1999/2000 and 2000/01 respectively (a total ... over the three years of 1 994 tonnes). The distribution of estimated total bird catch was highly ... were calculated to be 54–2 017, 468–1 779 and 22–487 tonnes respectively for fi sh and 162–7 752, 1 ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood

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

   . Before 1994 the number of 1+ krill found around South Georgia was very low (proportion of 1+ krill <7 ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... per length class per 1 000 m3 water filtered. These length-density distributions are then used to ... north side of South Georgia (Brierley et al., 1997; see also Figure 1). A number of additional net ... net hauls during the cruises described here is very restricted (Table 1). To be able to maximise the ... ;S d - -- Longitude ("W) Figure 1: Location of net hauls undertaken in the South Georgia area ...

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

9. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

   Ocean. Four collections of D. eleginoides from Kerguelen (n = 1), Crozet (n = 1) and Prince Edward and ... per collection ranged from 0.000 to 0.900 and allele counts from 1 to 21. There was no evidence of ... . eleginoides from Kerguelen (n = 1), Crozet (n = 1) and Prince Edward and Marion (n = 2) Islands were typed ... to 0.900 and allele counts from 1 to 21. There was no evidence of signifi cant mtDNA heterogeneity ... . eleginoides de Kerguelen (n = 1) et des îles du prince Edouard et Marion (n = 2) ont fait l'objet d'une ... observés d'hétérozygotie par locus variaient entre 0,000 et 0,900 et le nombre d'allèles de 1 à 21. Aucune ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Auteur(s): Appleyard, S.A., R. Williams and R.D. Ward

10. An assessment of the impact of krill fishery on penguins in the South Shetlands

    , but small to the north of Livingston (1 921 tonnes/10-day period) and Elephant (1 991 tonnes/10-day ... large as 200 to 1 500 x 10 3 tonnes within the preferred fishing areas during the breeding season ... CCAMLR Science, Vol. 1: 107-128 AN ASSESSMENT OF THE ... National Research Institute of Far Seas Fisheries 5-7-1, Orido, Shimizu, 424 Japan Abstract An ... Livingston (1 921 tonnes/lO-day period) and Elephant (1 991 tonnes/lO-day period) Islands. Thus, the overlap ... between the fishery and penguins. Krill biomass was estimated to be as large as 200 to 1 500 X 103 tonnes ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Auteur(s): Ichii, T., M. Naganobu and T. Ogishima

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