Résultats de la recherche

1. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07

   Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ... . So at this stage there is no evidence for strong variation in year class strength in the fishery ... years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... any SSRU over time. Although moderate numbers of small fish are caught in some years (e.g., on the ...

   Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

2. Fishing with pots in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)

   , with the purpose of determining the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. In ... ) with 51.2 g/pot. In general, P. anemerae was captured in all researched subareas, with a higher yield ... in Subarea 48.2 (548.8 g/pot). Title:  Fishing with pots in the Antarctic region (CCAMLR Statistical ...

   Meeting Document : WG-FSA-98/20

3. Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach

   . hyadesi spawns in winter/spring, probably has a two year life cycle and, in common with other ... Abstract:  In anticipation of the development of a new fishery for the oceanic squid Martialia ... hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ... season. A conservative estimate for total annual consumption by higher predators in the Scotia Sea is ...

   Meeting Document : WG-FSA-96/20 : Auteur(s): Rodhouse, P.G.

4. A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica

   ) in the Ross Sea, Antarctica. Counts of zones visible in sectioned otoliths were used to estimate ... preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in ... estimated age of 9.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L ... ., 42.8 cm TL; K, 0.408 y-1; t0,-0.1 years. Violet cod are relatively long-lived, with a maximum estimated ...

   Meeting Document : WG-FSA-10/19 : Auteur(s): P.L. Horn and C.P. Sutton (New Zealand)

5. Are penguins and seals in competition for Antarctic krill at South Georgia?

   , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... 1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... species was very similar, but over the last 12 years the prevalence of krill in their diets has diverged ... chrysolophus) are sympatric top predators that occur in the Southern Ocean around South Georgia where they are ...

   Meeting Document : WG-EMM-02/22 : Auteur(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)

6. The applicability of international conservation instruments to the establishment of marine protected areas in Antarctica

   , depending on their specific provisions, full application in Antarctic waters may be difficult, inappropriate ... principles of maritime jurisdiction embodied in the United Nations Convention on the Law of the Sea (UNCLOS ... to the existence of territorial sovereignty and corresponding maritime zones in the area south of 60 ... °S. In addition, the instruments of the Antarctic Treaty System already provide for resource ...

   Meeting Document : SC-CAMLR-XXIII/BG/30 : Auteur(s): Delegation of the United Kingdom

7. Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability

   varied over time; different dive depth-distributions were observed in each year. Nonetheless, chick ... differences in prey availability by altering their foraging strategy among years. We suggest that this ... Abstract:  Gentoo penguins Pygoscelis papua show considerable plasticity in their diet, diving and ... single site, since flexible foraging habits would provide a buffer against changes in prey availability ...

   Meeting Document : WG-EMM-08/50 : Auteur(s): A.K. Miller and W.Z. Trivelpiece (USA)

8. 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 ... more quantitative and explicit studies on those relationships are required in order to assess the role ... 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

9. Solutions to seabird by-catch in Alaska’s demersal longline fisheries

   we saw orders of magnitude variation in bycatch across years and in the case of the sablefish fishery ... and 2000) in 2 major Alaska demersal longline fisheries: the Gulf of Alaska /Aleutian Island ... abundance, attack rate, and hooking rate of seabirds in both fisheries. Based on our results, we recommend a ... the most comprehensive solution. Paired streamer lines successfully reduced seabird bycatch in all ...

   Meeting Document : WG-FSA-01/35 : Auteur(s): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)

10. Integrated models for Antarctic krill (Euphausia superba) using survey data from 1981–2014 in Subarea 48.1

    data. Plans for extending the models and data in the upcoming year include modifying the code to make ... of Antarctic krill in Subarea 48.1 based on different aggregations of the data are described to ... transects from 1996 to 2011) and Peru (IKMT sampling in 2014) are organized into different temporal ... , and hydroacoustic data arranged in different temporal groupings (annual, summer-winter, monthly). The ...

    Meeting Document : WG-SAM-14/20 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)

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