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1. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   populations Abstract / Description:  In stocks that have been depleted by overfishing, the benefit of ... research catches, this study shows that stocks can take decades to recover even in the absence of fishing ... assessed in this study indicate that, where a stock has been depleted to at or below 20% of the median ... unfished spawning stock biomass, research catches in excess of 0.6% of median unfished total stock biomass ... Mangel, 2006). This paper extends the work conducted by de la Mare and Constable (1990) on develop- ing ... generalised yield model (GYM; Consta- ble and de la Mare, 1996) was used to simulate a range of scenarios for ... : 205 pp. Constable, A.J. and W.K. de la Mare. 1996. A gen- eralised model for evaluating yield and the ... , A.J., W.K. de la Mare, D.J. Agnew, I. Everson and D. Miller. 2000. Managing fish- eries to conserve ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Autor(es): Welsford, D.C

2. Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)

   Potter Cove, 25 De Mayo/King George I.). Samples consisted of small and medium sized fish (total length ... - 14.8-38 cm). Otolith and scale readings have been compared in 19 Potter Cove specimens. In some cases ... scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... and growth studies of Antarctic fish. Resume La determination de I'age a ete effectuee sur des ... un resultat d'un an de plus. Ceci pourrait resulter de la difficulte de differencier entre les ... quadrillages faux et annuels sur les ecailles. La determination de I'age au moyen de section transversale ... confirme que les pOissons de la sous-zone de la peninsule antarctique sont plus petits que ceux de la mame ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Autor(es): Barrera-Oro, E.

3. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   include krill in food-web models and to guide modellers to key sources of data. It describes the strengths ... fishery (sustained sampling in one place and wide area and time coverage) and via predators (long time ... . Temporally, the intense (order of magnitude) interannual variability in krill population size within the ... . Growth in spring, summer and autumn is now fairly well quantified, but mortality remains an enigma. We ... Antarctic Ecosystem Research Division 8604 La Jolla Shores Drive La Jolla, CA 92037, USA V. Siegel ... insights into krill–predator–fisheries interactions (Reid et al., 2005; Hill et al., 2007b, 2012a; de la ... Santa Barbara, CA 93106-6150, USA S. Hill British Antarctic Survey Natural Environment Research ... superba). This is because (i) they have an important role in the food web of parts of the Southern Ocean ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Autor(es): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

4. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   continental shelf in areas very similar to where the longline fishery operates and are therefore at serious ... risk from these fisheries at this time. Until fishing methods which do not catch albatrosses are in ... comprehensive use, we recommend that the South Georgia longline fishery for D. eleginoides should be managed in ... grands albatros (Diomedea exulans) et des lieux de p@che a la palangre de legine australe (Dissostichus ... eleginoides), a partir de donnees de suivi par satellite et d'informations prkcises sur la position des poses ... operations de p6che a la palangre autour de la Georgie du Sud de decembre a fevrier (periode d'incubation ... ) et de fin mai B octobre (periode principale df6levage des jeunes) est assez faible. Pendant la ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Autor(es): Croxall, J.P. and P.A. Prince

5. Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies

   reviewed. Breeding success of the wandering albatross, which breeds in winter and eats fish and squid, has ... South Georgia, which breed in summer and feed extensively on krill, have shown major fluctuations in ... fluctuations in reproductive performance of the krill-eating, summer-breeding penguins at Signy Island are not ... in 1980-81 and 1982-83) with the date of ice break-out in late spring. Numerous parameters of ... Rd, Cambridge, CB3 OET, UK. S~nt resumes et examines des aspects de la terformance de reproduction ... au cours de la derniere dec~~nie du grand albatros, de l'albatros a sourcils noirs et de l'albatros ... du Sud, ainsi que des manchots Adelie et a jugulaire a l'Ile signy, Orcades du SUd. La reussite de ... , est demeuree constante alors que la taille de la population a connu une baisse graduelle et fort ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 445-447 : Autor(es): Croxall, J.P., T.S. McCann, P.A. Prince and P. Rothery

6. On the power to detect changes using the standard methods for monitoring parameters of predatory species

   trip duration (C2.0). The other Standard Methods are not evaluated because the power analysis in the ... considered here are insufficient for conducting power analyses (penguin arrival weight A1.1, trend in penguin ... la CCAMLR (CCAMLR,1989) concernant I'analyse de la puissance statistique de detection des ... (Methode standard A2.1), la duree des sorties alimentaires des manchots (AS.1), la reussite de la ... alimentaires des otaries (C2.0). Les autres Methodes standard ne sont pas evaluees, I'analyse de la puissance ... dans les lignes directrices de la CCAMLR etant impropre (taux de croissance de jeunes otaries C1.0 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Autor(es): Boveng, P. and J.L. Bengtson

7. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   midwater trawls and small research trawls, in this case using an Isaacs-Kidd trawl, demonstrated the ... repartition de l'espece visee ainsi que des parametres des chaluts. Vne connaissance plus approfondie de la ... capturabilite des chaluts et de la maniere dont se repartit le krill entralnera une plus grande fiabilite des ... evaluations de la biomasse. Vne analyse comparative de la capturabilite des chaluts pour les chaluts ... la biomasse provenant des campagnes de recensement par chalutage, du fait de leur capturabilite ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Autor(es): Kasatkina, S.M.

8. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... considered in the paper. A distinct pattern of daily vertical migrations of C. gunnari was observed on the ... South Georgia shelf. During the day, fish concentrate near the bottom in concentrations 5 to 7 m thick ... may be used for clarification of survey techniques used in stock assessment. For a number of years ... variation de la biomasse du poisson des glaces (Champsocephalus gunnari) calculee a partir des donnees des ... . gunnari. pendant les annees d'abondance de l'espece (1982/83, 1983/84 et 1986/87). La capture par heure ... de peche est analysee en fonction de l'heure a laquelle elle a ete realisee. 11 est tenu compte a la ... , CIS 3 4 du Sud presentent de nettes tendances. Pendant la journee, les poissons se ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Autor(es): Frolkina, J.A. and V.I. Shlibanov

9. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... used in fishing for them requires further research. It should first of all cover twine codends with a ... des poissons des glaces de la Mer de scotia; les raisons principales etant : l'utilisation d'un ... materiau lourd dans leur construction, le choix inapproprie de la taille du maillage, et certains aspects ... que la taille de maillage optimale de ce cuI de chalut pour la selection des poissons des glaces de ... antarctiques, en particulier les pOissons des glaces de la Mer de Scotia et ceux de la Georgie du Sud, des ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Autor(es): Zaucha, J.

10. The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery

    when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... . Robertson Land Coast (approximately 150 000 pairs) and any future harvest of krill in the region. The ... in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one of ... de manchots Adelie se reproduisant a l'lle Bechervaise, pres de la base Mawson (Terre Mac ... lors de quatre sorties alimentaires (deux femelles et quatre males) pendant la periode d'incubation ... janvier 1992 alors que les oiseaux elevaient des poussins. Les sorties alimentaires de la plupart des ... oiseaux les ont menes jusqu'a la rupture de pente du plateau continental (isobathe 1 000 m) distante ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Autor(es): Kerry, K.R., J.R. Clarke and G.D. Else

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