Résultats de la recherche

1. Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2012–13

   Subareas 88.1 and 88.2, including summaries of data for the 2013 season. Overall, a total of 37 047 ... most fish are recorded as being recaptured only a short distance from their point of release, typically ... that in 2009. The reason for the low number of recaptures in 2009 and 2012 is likely a consequence of ... . Author(s):  S. Parker, A. Dunn, S. Mormede and S. Hanchet (New Zealand) Title:  Descriptive analysis of ...

   Meeting Document : WG-FSA-13/49 : Auteur(s): S. Parker, A. Dunn, S. Mormede and S. Hanchet (New Zealand)

2. Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter

   and the krill fishery can occur. We tracked adult macaroni penguins from a colony in South Georgia ... biomass of food consumed during the winter period. We combined these to produce a surface of the tonnes of ... . However macaroni penguins had a very wide pelagic distribution across the Scotia Sea whereas the fishery ... fisheries should the latter expand in the future, and provides a framework for assessing predator-fishery ...

   Meeting Document : WG-EMM-14/02 : Auteur(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)

3. Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines

   in deterring depredation we experimentally tested a high amplitude device (195 dB re 1 μPa 6.5 kHz 1 ... m from the source) from a Patagonian toothfish longliner operating off the Crozet Islands while it ... a 10- 300 m range from the vessel, as they only have access to fishing gear during hauling. We ... fled over 700 m away from the vessel when first exposed to the AHD. However, they remained within a 10 ...

   Meeting Document : WG-FSA-14/P04 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet

4. At-sea distribution and prey selection of Antarctic petrels and commercial fisheries

   Antarctic krill fisheries and the distribution of a krill dependent seabird, the Antarctic petrel ... the non-breeding season. In a second step, we described the length frequency distribution of Antarctic ... breeding thousands of kilometers away.  Author(s):  S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R ... . Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe Title:  At-sea ...

   Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe

5. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   Abstract:  The Republic of Chile completely revised its initial plan for a three-year project to ... -16 and WF-FSA-16, a revised proposal for a random, stratified trawl survey to be undertaken in ... , 2009). This will provide valuable information that will allow a comparison with the data collected by ...

   Meeting Document : WG-SAM-17/18 : Auteur(s): Delegation of Chile

6. An approach to feedback management (FBM) of the krill fishery based on routine acoustic data collection and intermittent land-based predator studies

   alternative approach for decades, but still lacks a plan that can be made operational within realistic cost ... acoustic monitoring of the prey field of nearby predator colonies feeds into a decision-making framework ... will bring the SG-ASAM work and our proposed FBM framework development into a similar timeline. While ... the proposed framework provides a clear way forward it will take several years to implement fully due ...

   Meeting Document : SC-CAMLR-XXXVI/BG/20 : Auteur(s): Delegations of Norway, China and Chile

7. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   , experienced readers at the Australian Antarctic Division (AAD) read a subset of 40 otoliths from the New ... against the New Zealand reference ages showing a high level of precision (all IAPE < 5%, CV < 7 ... high (all IAPE < 2%, CV < 3%), confirming that a similar level of detail is revealed by each ... toothfish. Finally, a total of 730 otoliths from Antarctic toothfish which were collected by an Australian ...

   Meeting Document : WG-FSA-17/15 : Auteur(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

8. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   Abstract:  The Republic of Chile completely revised its initial plan for a three-year project to ... -16 and WF-FSA-16, a revised proposal for a random, stratified trawl survey to be undertaken in ... , 2009). This will provide valuable information that will allow a comparison with the data collected by ...

   Meeting Document : WG-FSA-17/28 : Auteur(s): Delegation of Chile

9. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   compared effort units including length of line (km), total number of hooks per line, and a combination of ... size. This confirms previous advice that research fishing is conducted with a high level of spatial and ... temporal overlap between vessels and gear types to allow for a meaningful standardisation of variables such ... as catch rates. To assist in future quality checking of data, we also recommend a new reporting field ...

   Meeting Document : WG-SAM-2019/25 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

10. Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019

    Abstract:  We provide a summary of environmental change in the Southern Ocean over the period of ... satellite observaton (1981 to present). The environmental data we consider are: (1) chlorophyll-a ... movement north of the Subantarctic Front; (3) increasing chl-a and NPP in the Subantarctic Front and around ... the southern limit of the ACC except in the Ross Sea region; (4) decreasing chl-a and NPP in the Ross ...

    Meeting Document : WG-EMM-2019/39 : Auteur(s): M. Pinkerton

Pages