Résultats de la recherche

1. Reproduction in Antarctic notothenioid fish - a review

   gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... weight. It exceeds 100 000 eggs only in a few nototheniid species and is commonly in the order of 1000 to ... observed in three species but may be more common in particular among the artedidraconids. A number of ... although spawning is likely to take place annually. However, part of the populations of Champsocephalus ...

   Meeting Document : SC-CAMLR-X/BG/12 : Auteur(s): Delegation of Germany

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

   2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ... Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ... determine the distribution, abundance, and size composition of demersal finfish in Subareas 48.1 and 48.2 ... . In this revised proposal, the study area includes the continental shelf of Elephant Island and of ...

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

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

   2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ... Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ... determine the distribution, abundance, and size composition of demersal finfish in Subareas 48.1 and 48.2 ... . In this revised proposal, the study area includes the continental shelf of Elephant Island and of ...

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

4. Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2

   parameter values was presented in WG-FSA-SAM 03-12 using Dissostichus eleginoides in Subarea 48.3 of the ... in 2001 is most likely the result of the large abundance of 3 and 4 year-old fish in that year, which ... models (GLMMs) including data analytic methods for examining the appropriateness of model structure and ... CAMLR area as an example dataset. The application of these procedures to trawl catches of ...

   Meeting Document : WG-FSA-03/35 : Auteur(s): S.G. Candy (Australia)

5. 2019 Ross Sea shelf survey results and notification for research in 2020

   2012, with a revised proposal presented in 2017 for five years (2018–2022). The objectives of the ... survey included monitoring the abundance and age structure of sub-adult (≤ 110 cm TL) toothfish in the ... south of SSRUs 881.J and 881.L in the southern Ross Sea (Strata A–C) using standardised gear in a ... Nova Bay surveyed in 2019. The estimated relative biomass index of toothfish showed an increase to the ...

   Meeting Document : WG-SAM-2019/03 : Auteur(s): S. Parker and C. Jones

6. RESEARCH PLAN FOR TOOTHFISH BY SHINSEI MARU NO. 3 IN 2008/09

   No.3, in 07/08 season covering the whole SSRUs (Small Scale Research Units). In the course of this ... . Furthermore, the presence of legal operators in this area could contribute to monitor and deter the activity ... of IUU vessels. In addition, tagging and sampling activities during the survey will particularly ... Abstract:  A proposal to undertake scientific research in CCAMLR Subarea 58.4.4 over the 2008-2009 ...

   Meeting Document : WG-FSA-08/39 : Auteur(s): Delegation of Japan

7. Inter-annual variability in krill density at South Georgia: 1997–2012

   , maintaining very large numbers of predators, and fluctuations in their abundance can affect the overall ... structure and functioning of the ecosystems. The inter-annual variability in the abundance and biomass of ... krill was examined using a 15 year time series of acoustic observations undertaken in the Western Core ... Box (WCB) survey area to the north of South Georgia, Southern Ocean. Krill targets were identified in ...

   Meeting Document : WG-EMM-13/14 : Auteur(s): S. Fielding, J.L Watkins, P. Trathan, P. Enderlein, C. Waluda, C. Goss, G. Stowasser, G. Tarling and E. Murphy (United Kingdom)

8. Krill distribution and biomass variability within Subarea 48.3 in June 1991

   less than 1 tonne. Average statistical parameters of swarms in the polygon varied insignificantly from ... tonnes. Krill distribution variability revealed in the polygon suggests an irregular import and export of ... krill from the polygon due to transport by the current. Additionally, in the upper layer of 0 to 50 m ... occurred in the layer of 50 to 150 m. Estimated velocity of krill swarm displacement corresponded to the ...

   Meeting Document : WG-KRILL-93/35 : Auteur(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)

9. Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality

   developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding ... Abstract:  In recent years, a new longline fishery for the fish Dissostichus eleginoides has ... areas for procellariiform birds. Attractiveness of this fishery for seabirds, together with the ... activity in Kerguelen waters in February 1994. Between 100 and 600 seabirds were always observed behind the ...

   Meeting Document : WG-IMALF-94/12 : Auteur(s): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)

10. Foraging trip duration in male and female macaroni penguins at Bouvetøya

    -transmitters in the middle of the brooding period (chick age 12-18 days) and 17 females instrumented at the ... attendance periods in the colony where shorter (average 11.9 h) than those of males (average 21.4 h), and ... Abstract:  The CEMP Standard Methods for monitoring foraging trip duration in Macaroni Penguins ... recommend using only males. However, males attend the chicks at the nest during most of the brooding period ...

    Meeting Document : WG-EMM-98/28 : Auteur(s): F. Mehlum, K. Isaksen and V. Bakken (Norway)

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