Résultats de la recherche

1. An experimental approach for the Antarctic krill fishery: advancing management and conservation through the use of Krill Reference Areas and Krill Fishing Areas

   to fishing, coupled with the use of Krill Reference Areas and Krill Fishing Areas. We use the ... characteristics, as the geographic and spatial basis for a set of differing treatments. We also consider the ... mainly associated with penguin research. We identify a number of treatments based on seasonal, or year ... approaches could be used to enhance ecological understanding of possible impacts (or lack thereof) of krill ...

   Meeting Document : WS-SM-18/05 : Auteur(s): P.N Trathan and O.R. Godø

2. Development of methods relevant to feedback management (FBM) for the krill fishery

   environment essential for the implementation of a Feed-Back Management (FBM) system. In terms of FBM, Marine ... . Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... fisheries within Domain 1 are critical if the fishery is to be managed by an empirical understanding of ... during the fishing season as a measure of the available prey field. This information can be integrated ...

   Meeting Document : WG-EMM-18/08 : Auteur(s): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad

3. Indicative trends in by-catch of sharks in the CAMLR Convention Area

   comparison of data from vessels vs. scientific observers. This paper provides information that could be ... Abstract:  Conservation Measure 32-18 on the conservation of sharks specifies that “directed ... .” Further, that “any by-catch of sharks shall, as far as possible, be released alive.”  Here, we examine ... increased during the last 10-year period, with most of the by-catch reported in Division 58.5.2 and ...

   Meeting Document : WG-FSA-18/63 Rev. 1 : Auteur(s): C.D. Jones

4. Ageing two myctophid fishes using otolith from king and macaroni penguins in the Marion Island and its implication to feeding preference of penguins on those myctophids

   distributed biological resources in the Antarctic waters, which are the important food sources of top ... predators, particularly penguins. However, the information on age of those fishes are very limited and ... of myctophids in the Antarctic ecosystem. Using the otolith samples collected from King and Macaroni ... penguins in the Marion Island, the present study examined the age determination and precision of age ...

   Meeting Document : WG-FSA-18/74 : Auteur(s): M. Duan, G.P. Zhu, A. Makhado and L. Wei

5. The Continuous Plankton Recorder in the Southern Ocean: a comparative analysis of zooplankton communities sampled by the CPR and vertical net hauls along 140°E

   Abstract:  A repeat transect was run south of Tasmania, along ~140°E, during November and December ... each of 19 stations: 0–20, 20–50, 50–100 and 100–150 m. A Continuous Plankton Recorder (CPR) was ... . Zooplankton in the top 150 m of the water column demonstrated strong, small-scale, vertical distribution ... , indicating that all communities had a similar distribution of abundance amongst species. There was little ...

   Meeting Document : WS-BSO-07/P5 : Auteur(s): Hunt, B.P.V and G. Hosie

6. An assessment of toothfish in Subarea 48.3 using CASAL

   Abstract:  The CASAL software has been successfully applied to an assessment of the stock of ... , with an extensive range of sensitivity tests and examination of diagnostics. A baseline assessment ... 45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ...

   Meeting Document : WG-FSA-05/16 : Auteur(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)

7. Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals

   Abstract:  Fatty acid signature analysis is based on the conservation and unique signatures of ... fatty acids in the marine food chain and it may be useful in determining the composition of seal diets ... perinatal fast are derived largely from blubber mobilization and thus likely resemble an integration of ... the lactation period. To compare groups, we used methods of classification and regression tree (CART ...

   Meeting Document : WG-EMM-97/14 : Auteur(s): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.

8. Using production models to assess the stock of Paralomis spinosissima around South Georgia Island

   Abstract:  Four production models were fit to a time series of daily catch per unit effort (CPUE ... recruitment function. The best fitting model was Model 1. Model 1 had three parameters: an estimate of initial ... abundance (N0), an estimate of the scaling coefficient relating abundance to CPUE (q), and a recruitment ... removals should not be greater than the number of crabs that recruit to the fishery during the course of a ...

   Meeting Document : WG-FSA-93/23 : Auteur(s): George Watters (USA)

9. Ingestion of anthropogenic articles by seabirds at Macquarie Island

   regurgitations and the stomachs of seabirds at Macquarie Island; these were ingested both at sea and on land ... . Eight percent of regurgitated casts from Macquarie Island Cormorants contained polystyrene beads ... . Plastic particles were recorded from the stomachs of Southern Giant Petrels, Subantarctic Skuas, and Kelp ... Gulls. Birds examined in 1988 had a higher frequency of occurrence of foreign objects than birds ...

   Meeting Document : CCAMLR-VIII/BG/12 : Auteur(s): D.J. Slip, K. Green and E. Woehler (Australia)

10. Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation

    phase fingerlings selected from a total sample of 364 early juveniles caught mainly in summer from 2003 ... date of capture showed two main periods of larval hatching separated by 5-6 months, one in late summer ... , indicating a timing of demersal settlement of about eight months from hatching. The age/length frequency ... distribution of fish sampled in spring 2010 showed the simultaneous presence of two different cohorts ...

    Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)

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