Resultados de la búsqueda

1. Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast

   effort and this is used to delineate a feeding ground for Adélie penguins on the Mawson coast in eastern ... colonies, years, and species to define individual species and pooled foraging ranges. The establishment of ... whether some species with low colony biomass have large proportions of their foraging ranges falling ... foraging grounds. Thus, a comparison of foraging ranges for individual species with the pooled foraging ...

   Meeting Document : WG-EMM-02/41 : Autor(es): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)

2. Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002

   foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... at low stomach fullness. On the eastern shelf part, a considerable number of pre-spawning specimens ...

   Meeting Document : WG-FSA-02/79 : Autor(es): Zh.A. Frolkina and P.S. Gasiukov (Russia)

3. Relative abundance of large whales around South Georgia

   species were rare, with southern right whale sightings being the most common event. Two right whales ... mother-calf pair was observed off the Shag Rocks in February 1997. Extirpation of animals from this ...

   Meeting Document : WG-EMM-99/34 : Autor(es): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)

4. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15

   Abstract:  This report summarises the timing, depth, and location of fishing effort together with ... distributed across the three SSRUs (73% in 88.1H, 22% in 88.1K and 5% in 88.1I). As in recent years, the ... changes in CPUE that were not consistent with biologically driven changes in abundance and are considered ... three years. The strong mode of smaller (90–120 cm TL) toothfish present in the Slope fishery from 2010 ...

   Meeting Document : WG-FSA-15/36 : Autor(es): K. Large, S.M. Hanchet and S. Mormede (New Zealand)

5. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1999–2000

   aequinoctialis predominated (92.2%), followed by Eastern Yellow-nosed Mollymawks Thalassarche [chlororhynchos ... , with most (68%) birds killed on only 49 sets that had multiple casualties (2.8% of sets). As in ... previous years, much of the variance could be explained in terms of fishing season (higher bycatch rate in ... Abstract:  This paper summarises seabird bycatch during the fourth year (July 1999-June 2000) of ...

   Meeting Document : WG-FSA-00/30 : Autor(es): P. Ryan and B. Watkins (South Africa)

6. The use of CCAMLR Statistical Subareas 88.1 and 88.2 and Division 58.4.1 by Macquarie Island giant petrels

   incubation. Northern giant petrels were tracked during chick rearing. While 3 of four tracked birds did not ... enter CCAMLR waters, one bird undertook a longer trip into division 58.4.1, where it spent 6% of its ... overall time at sea. We consider it possible that this trip may have been indicative of trips undertaken ...

   Meeting Document : WG-FSA-06/49 : Autor(es): R. Trebilco, R. Gales, B. Baker and A. Terauds (Australia)

7. WILL KRILL FARE WELL UNDER SOUTHERN OCEAN ACIDIFICATION?

   and 2000 μatm pCO2 in order to assess the possible impact of ocean acidification on early development ... -response relationship for krill developmental and later stages, in order to predict the possible fate of ... water pCO2 could rise up to 1400 μatm in krill’s depth range under the IPCC IS92a scenario by the year ...

   Meeting Document : WG-EMM-11/P6 : Autor(es): S. Kawaguchi, H. Kurihara, R. King, L. Hale, T. Berli, J.P. Robinson, A. Ishida, M. Wakita, P. Virtue, S. Nicol and A. Ishimatsu

8. TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA

   ) theoretical, 2) ex situ measures on dead or living fish under experimental conditions, 3) in situ measures on ... of Middle Trophic Level of the Ross Sea and several studies have been published on its biology and ... Antarctic Silverfish, ranging in length from 90 to 210 mm, by means of an underwater framework with a ... system (EK500) as in situ experiments was used, with 38, 120 and 200 kHz transducers bolted to the ...

   Meeting Document : SG-ASAM-09/10 : Autor(es): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)

9. Aspects of the distribution and interannual variations in larval fish assemblages at South Georgia, Antarctica

   Abstract:  The Antarctic fish fauna is relatively impoverished with fewer than 300 species ... recorded from the whole Southern Ocean. Demersal forms predominate but many of these have extended early ... neritic coincident with the continental shelf-break. The neritic larval assemblages are more diverse and ... abundant with greater proximity to the coast. Studies on ichthyoplankton temporal distribution in the fjord ...

   Meeting Document : WG-FSA-93/09 : Autor(es): M.G. White (United Kingdom)

10. Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)

    at seabed depths of 700–1000 m, and revealed consistent spatial patterns, with higher numbers of ... targets on the eastern side of the Iselin Bank. The acoustic target strength distribution of single ... spatial coverage between years meant that it was not possible to obtain a consistent time-series of ...

    Meeting Document : WG-FSA-14/62 : Autor(es): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)

Páginas