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1. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   management units in the Scotia Sea Abstract / Description:  Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... small portion of the surveyed area. Five options for allocating the catch limit among the SSMUs in the ... co ti a Se a. S SM U s ar e: ( 1) A nt ar ct ic P en in su la P el ag ic A re ... (A PB SE ); (7 ) E le ph an t Is la nd ( A PE I) ; ( 8) A nt ar ct ic P en in su ... ou th O rk ne y Is la nd s A nt ar ct ic P en in su la S ou th G eo rg ia S ou th ... SCOTIA SEA R.P. Hewitt Southwest Fisheries Science Center 8604 La Jolla Shores Drive La Jolla, CA 92037 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Autor(es): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

2. Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time

   sphere. The general trends are consistent between SA gain and TS gain. The total spread in SA gain ... Paper Title:  Calibration of an acoustic echo-integration system in a deep tank, with system gain ... a 120 kHz split-beam transducer in a refrigerated 10 m deep tank. Calibration parameters are studied ... in relation to sphere material (WC and Cu), water temperature (0.5 to 5.5°C), transmitted pulse ... entre les gains de SA et TS. L'etendue totale du gain de SA, Y compris les effets de la temperature ... Fisheries Center, 8604 La Jolla Shores Drive, La Jolla, Ca. 92038, USA 127 128 justesse et de ... des gains de TS et de SA devraient etre mesures meticuleusement et frequemment et ajustesa la duree ... WC, exceptuando e1 impulso mas largo. Los valores de SA gain y TS gain son coherentes. La amplitud ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Autor(es): Demer, D.A. and R.P. Hewitt

3. Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)

   Paper Title:  Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides) Abstract ... estimated from reading otoliths in a goodness-of-fit test. The majority of the otoliths (83.6%) were ... observed in the length density represent different age cohorts separated by one year. File:  01ashford.pdf ... Dissostichus eleginoides dont la densité était nettement polymodale, nous avons cherché à déterminer si les ... âges estimés par la lecture des otolithes étaient congruents avec les modes de longueurs observés ... . Les densités de longueurs en fonction de l’âge ont été comparées de manière graphique à la densité ... générale des longueurs observée. De plus, pour chaque poisson, un âge a été présumé en fonction de sa ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Autor(es): Ashford, J., C. Jones, S. Bobko and I. Everson

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

   Paper Title:  Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen ... toothfish (Dissostichus eleginoides) in the Crozet and Kerguelen Islands Exclusive Economic Zones (EEZs ... ) between 2003 and 2005. In the Crozet EEZ, the reported interactions involved killer whales and sperm ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... or re la ti on b et w ee n C PU E a nd t he n um be r of s pe rm w ha le s in ... sí solas o en conjunto. Se observaron interacciones en todas las zonas de pesca. El efecto de la ... ballenas. El análisis de la identifi cación fotográfi ca indicó que un pequeño número de orcas solitarias ... ct or s (s ee F ig ur e 1b ). Fi sh in g se ct or Sl op e Sa m pl e si ze t ...

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

5. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

   the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey Abstract / Description ... units (SSMUs), were estimated. Abundance in some of the individual SSMUs had not previously been ... estimated due to the sparseness of data in these regions. The MaxEnt formalism allows an objective choice of ... the error in the density estimates. The total biomass inferred for the survey area was 208 million ... ng E vi d en ce St an d ar d d ev ia ti on M ea n va lu e M ea n er ro r M ax ... (MaxEnt) a permis d’estimer l’abondance du krill antarctique (Euphausia superba) dans l’ensemble de la ... mer du Scotia à partir des données de la campagne CCAMLR-2000 d’évaluation synoptique du krill de la ... zone 48 (campagne CCAMLR-2000) et de tracer la distribution de la densité du krill de toute la région ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Autor(es): Heywood, B.G., A.S. Brierley and S.F. Gull

6. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract / Description ... of fish as krill predators in the Southern Ocean is critical to understanding how changes in fish ... abundance, such as through fishing or environmental change, are likely to impact on the food webs in the ... region. First attempts to estimate the krill and pelagic food consumption by Antarctic demersal fish in ... underlying statistical model (Pennington, 1983; de la Mare, 1994). Information on pre-exploitation sizes ... OTHER PELAGIC RESOURCES IN THE SOUTHERN OCEAN K.-H. Kock* Institut für Seefischerei Johann Heinrich ... . Barrera-Oro Dirección Nacional del Antártico Ministerio de Relaciones Exteriores, Comercio ... webs in the Southern Ocean (i.e. Kock et al., 2007a; Murphy et al., 2007a). Whether the marine ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Autor(es): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

7. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... strategic frameworks for assessing uncertainty in ecosystem dynamics models. Such models have been used ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... plausible alternative hypotheses in data-poor situations. Apparent sensitivity is a function of both input ... referred to as KPFM, KPFM2 and Foosa in Watters et al. (2005; 2006; 2008a), Hill et al. (2007a, 2007b ... , 2007). Nonetheless, in its simplest form it requires 50 distinct inputs (18 point values, 29 vectors ... and 3 matrices). In the 15 SSMU–four predator configuration developed by Watters et al. (2013), it ... sensitivity of predator reproduction to variations in krill abundance. The alternative scenarios were an ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews

8. The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns

   Paper Title:  The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... ), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the distribution of monthly fishing effort ... auteurs examinent les données de la pêche soviétique de krill dans le secteur Atlantique de l’Antarctique ... pour la période 1981–1982, de type II pour celle de 1983–1986 et de type III pour celle de 1987–1988 ... uencé la répartition de l’effort de pêche. Les trois types de répartition correspondent à la ... атмосферного переноса и в Подрайоне 48.3 в условиях ее ослабления. Resumen Se analizan los datos de la ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Autor(es): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky

9. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   Paper Title:  Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... current fishing patterns; and (vi) the potential for delay in implementing the alternative. An alternative ... . Ces deux methodes pourraient etre applicables dans l'immediat si les pays membres de la CCAMLR ... pe~HMax. Resumen La Medida de conservaci6n 32/X establece un limite de captura precautorio para ... y si la probabilidad de retrasar su aplicaci6n es baja. Por 10 tanto, consideramos relevantes las ... actuales. Estas dos alternativas podrian ser aplicadas de inmediato si los Estados miembros de la CCRVMA ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Autor(es): Watters, G. and R.P. Hewitt

10. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

    Champsocephalus gunnari in Subarea 48.3 Abstract / Description:  A method of determining the rate of natural ... been correctly chosen. Data for Champsocephalus gunnari in Subarea 48.3 are used to show that the ... described method is sound. When a mistake is made in the choice of natural mortality coefficient, the ... estimate of the intercept of the regression is other than zero. A bias in the intercept will be positive if ... de la sous-zone 48.3 sont utili sees pour prouver que la methode decrite est fiable. Si le talix de ... es diferente a cero. El sesgo de la intersecci6n sera positivo si el indice de mortalidad natural ... · permettant de determiner le taux de mortalite naturelle a.' partir de la construction d'une regression entre ... d'intersection de cette regression doit etre egal a zero si le taux de mortalite naturelle a ete identifie ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Autor(es): Gasyukov, P.S. and R.S. Dorovskikh

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