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

   temporally controlled measures of tag-detection rates Abstract / Description:  A reliable commercial fish ... tagging program is critical to the successful management of a number of toothfish fisheries in Antarctica ... an integrated stock assessment. Previous attempts to assess the relative reliability of vessels in ... detecting tagged fish have been inconclusive due to low numbers of recaptures after controlling for spatial ... probability of recapture for both the case and the controls, irrespective of fish move- ment or tag loss ... -structured stock assessment model of Antarc- tic toothfish (Dissostichus mawsoni) to determine sustainable ... yields (Mormede et al., 2011a, 2011b; Mormede, 2011). In those analyses, the assumed values of ... mortality of tagged fish and the subse- quent detection rate of recaptured tagged fish are important input ...

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

2. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

   Paper Title:  Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island ... data set Abstract / Description:  In the vicinity of the northern tip of the Antarctic Peninsula, the ... water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ... Scotia Sea water by a zone of varied width (10 to 100 km) of water which can best be considered as ... population (Marr, 1962). The Weddell Gyre is a large, wind-driven cyclonic gyre, with a transport of 70 to ... SC-CAMLR-VII/BG/19 PHYSICAL OCEANOGRAPHIC SETTING OF ... vicinity of the northern tip of the Antarctic Peninsula, the Bransfield Straits and South Shetland Islands ... of fronts form which are collectively referred to as the Weddell-Scotia Confluence. Within the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Autor(es): Gordon, A.L.

3. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate in the ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ... abundance/biomass data exceeded a factor of 1:35, while inter-annual variability between available surveys ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... indicating a missing of a middle aged class (see below). 3.2 Biomass Krill biomass was mapped as g/m2 ... WG-KRILL-91/15 ESTIMATION OF KRILL (EUPHAUSIA SUPERBA ... January 1990. Results were compared with data of an identical survey with RV Polarstern in 1987/88 ... . Seasonal variation between summer and winter abundance/biomass data exceeded a factor of 1:35, while ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.

4. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   Paper Title:  Factors affecting the incidental mortality of seabirds in the Dissostichus ... analyses all incidental mortality of seabirds recorded on Argentinian and Chilean vessels fishing for ... possible to evaluate almost all of the incidental mortality of seabirds observed during the season. The ... total mortality recorded was 1 428 birds of which white-chimed petrels (Procellaria aequinoctialis ... THE INCIDENTAL MORTALITY OF SEABIRDS IN THE DISSOSTICHUS ELEGlNOlDES FISHERY IN THE SOUTHWEST ... , Argentina Abstract This paper analyses all incidental mortality of seabirds recorded on Argentinian and ... observers from each vessel. It was thus possible to evaluate almost all of the incidental mortality of ... seabirds observed during the season. The total mortality recorded was 1 428 birds of which white-chimed ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Autor(es): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

5. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   Control of the Antarctic krill fishery Abstract / Description:  CCAMLR aims to develop a feedback approach ... to aid ecosystem-based management (EBM) of Antarctic krill fisheries. It is important to assess ... and uncertain conditions typical of Antarctic marine ecosystems. This study used Model Predictive ... spatially resolved annual catch limits in response to estimates of the state of the system. It suggests that ... Sivan, 1972). This leads to the following defi- nition of the optimal control problem: { }0 1 2 20 2 ... observability (Kwakernaak and Sivan, 1972) of plausible models of ecosystem dynamics might help to prioritise ... a potential catch limit equivalent to 7% of current global fisheries landings (Hill, 2013a ... key goals of ecosystem-based management (EBM) (Grant et al., 2013). Feedback management must ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon

6. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   Paper Title:  Significant conservation benefits obtained from the use of a new fishing gear in the ... practically eliminated depredation of fish by killer whales (Orcinus orca) and sperm whales (Physeter ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... the implementation of the modification. The number of seabirds killed in 2002 was 1 542 compared to ... of this on incidental seabird mortality and fish loss to marine mammal depredation. The results of ... ) sightings of sperm and killer whales around the vessels; and (iii) loss of fish from the line to sperm and ... Significant conServation benefitS obtained from the uSe of a neW fiShing gear in the chiLean Patagonian ... net sleeve that is placed on secondary vertical lines, has practically eliminated depredation of fish ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Autor(es): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

7. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   Paper Title:  Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from ... the Ross Sea Abstract / Description:  Juveniles of the macrourid Macrourus whitsoni were collected by ... the NIWA research vessel Tangaroa during the BioRoss survey of the western Ross Sea and Balleny ... Islands in 2004. Intensive analysis of otoliths from these specimens greatly increased confidence in the ... validation: the state of the art. Fish. Res., 51 (2–3): 377–383. Pearson, H.S. and H.O. Hartley. 1962 ... , growth, and mortality parameters of black cardinalfish (Epigonus telescopus) in QMA 2 (east coast North ... estimAtion And mAturity of the ridge-scAled mAcrourid (Macrourus whitsoni) from the ross seA P.M. Marriott ...  and M.J. Manning National Institute of Water and Atmospheric Research (NIWA) Ltd Private Bag 14 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Autor(es): Marriott, P.M., M.J. Manning and P.L. Horn

8. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... to 2008. A large proportion of the recaptures of fish released in this fishery were aged and these ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... - ity of a stock when considered in combination with annual number of recruits, growth rate in body ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... (D. mawsoni) in the Ross Sea (Subarea 88.1) (Dunn and Hanchet, 2007) apply a fixed value of M of ... 0.13 y–1 rather than estimate this parameter jointly with other model para meters. The use of a fixed ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Autor(es): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

9. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   Paper Title:  Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... the southwestern Atlantic Abstract / Description:  The diet of Patagonian toothfish (Dissostichus ... Argentinian continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL ... juvenile and adult stages, and ranged between 18 and 212 cm TL. The diets of fish of various sizes and both ... (Lloris a n d Rucabado, 1991). Even though Yukhov (1972), based o n data from the analysis of sperm ... been reported by Otero et al. (1982) during spring to the east of Isla de los Estados (55"S, 63"W ... ., 45: 507-520. Garcia de la Rosa et al. Yukov, V.L. 1972. The range of fish of the genus Zhivov ... FEEDING ECOLOGY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) IN THE SOUTHWESTERN ATLANTIC S.B ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Autor(es): García de la Rosa, S.B., F. Sánchez and D. Figueroa

10. Estimates of fish stock biomass around South Georgia in January/February 1985

    Paper Title:  Estimates of fish stock biomass around South Georgia in January/February 1985 ... estimate stock sizes of the commercially exploited Notothenia rossii, N. guntheri, N. gibberifrons ... around South Georgia. Due to the small data base and the scarcity of comparative information the state of ... , Ch. aceratus and Ps. georgianus have been considerably affected by the fishery. Stock sizes of N ... of the Antarctic (from 1962 to 1983 inclusive). Selected papers presented to the Scientific ... /BG/12 1985 ESTIMATES OF FISH STOCK BIOMASS AROUND SOUTH GEORGIA IN JANUARY/FEBRUARY 1985 ... sizes of the commercially exploited Notothenia rossii, N. guntheri, N. gibberifrons, Dissostichus ... Georgia. Due to the small data base and the scarcity of comparative information the state of N. guntheri ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Autor(es): Kock, K.-H.

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