Résultats de la recherche

1. 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

   deployed on the northern leg (average sampling depth = 10.5 m). Both net systems were harnessed with 270?m ... patterns. Species richness and diversity increased with depth, and were lowest for CPR samples. Conversely ... , dominance decreased with depth and was highest for CPR samples. Evenness was similar for all sample groups ... to its shallow towing depth, the CPR focuses on species with surface distributions. Despite under ...

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

2. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   krill, indicating its validity for other euphausiids species with similar size and shape. However, the ... total target strengths (TTS) of crustaceans with markedly different shapes (i.e. Mysidacea, a mix of ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... measurements of absorption spectra from decapods indicate that the absorption cross section increases with the ...

   Meeting Document : WG-EMM-04/40 : Auteur(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

3. Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters

   specify general criteria for the inclusion of predator parameters in the index with regard to the ... found that, for inclusion in the index, parameters should be positively correlated with all other ... parameters and preferably with correlations greater than 0.3. If this criterion is met then these results ... for determining the correlation coefficients. These criteria need to be accepted with caution. Further ...

   Meeting Document : WG-EMM-98/45 : Auteur(s): A. Constable (Australia)

4. Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method

   krill biomass estimate produced by the echo integrating apparatus used in the layer fished with the ... resulting from the catch statistics and from the hydroacoustic survey carried out with the use of the echo ... concised form with references to corresponding literary sources. Basic principles of the statistical method ... trawls were developed by Dr. Yu.V.Kadilnikov, Head of the AtlantNIRO Laboratory, with the exception of ...

   Meeting Document : SC-CAMLR-VIII/BG/10 : Auteur(s): USSR

5. The results of investigations of the feeding of Antarctic toothfish D. mawsoni in the Ross Sea in 2005/06

   depths of 523-2000 m. The total length (TL) of individuals ranged from 49 to 201 cm with weight from 0.8 ... to 192 cm with weight from 0.8 to 110 kg. The substantial part of Antarctic toothfish stomachs were ... % in 2005 and 54% in 2006), with predominance of Antarctic grenadier (Macrourus whitsoni) and icefishes ...

   Meeting Document : WG-FSA-06/17 : Auteur(s): A.F. Petrov (Russia)

6. The Australian exploratory toothfish fishery in CCAMLR Division 58.4.2 and Subdivision 58.4.3b in season 2003/04

   . Overall, bycatch was highest at BANZARE Bank with 916 kg of total bycatch, comprising 15% of the total ... catch weight. Of the two SSRUs in Division 58.4.2, bycatch was highest in SSRU E with 624 kg of total ... bycatch comprising around 4% of the total catch compared with 247 kg of total bycatch (4%) for SSRU D. In ...

   Meeting Document : WG-FSA-04/66 : Auteur(s): D. Erceg and E. van Wijk (Australia)

7. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...

   Meeting Document : WG-FSA-02/78 : Auteur(s): P.S. Gasiukov and R.S. Dorovskich (Russia)

8. Spatial and temporal patterns of sperm whale (Physeter macrocephalus) depredation on Australian longline vessels in the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands (CCAMLR Division 58.5.2)

   of  reports involve sperm whales, with a single sighting of orcas to date. There is a strong seasonal ... pattern to sperm whale presence, with depredation events confined to the months April-July, despite ... collaborative project with depredation experts from France is currently being developed to monitor depredation ...

   Meeting Document : WG-FSA-15/53 : Auteur(s): D.C. Welsford and R. Arangio (Australia)

9. Déplacement proposé de la limite entre les sous-zones 88.1 et 88.2

   Subarea 88.1 and Statistical Subarea 88.2 in order to harmonise with the exploratory fisheries for ... Dissostichus mawsoni in those subareas and with other conservation measures in force. The proposal would move ... the boundary of Subareas 88.1 and 88.2 from 170°W to 150°W with small-scale research units (SSRUs ...

   Meeting Document : CCAMLR-XXXVII/22 : Auteur(s): CCAMLR Secretariat

10. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

    quantified the survival and recruitment rates needed to maintain resilient penguin populations with a model ... monitor, with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at ... collected by this camera network, and camera-based estimates of age at crèche are on par with those based on ... within each gSSMU.  This decision rule is intended to provide the Commission with advance opportunity to ...

    Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

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