Результаты поиска

1. Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations

   Abstract:  We develop a new approach to quantifying habitat use within the foraging ranges of ... satellite-tracked seabirds. We applied kernel estimation techniques to 167 days (3738 locations) of data ... -rearing period of the breeding cycle at South Georgia. At this time the activity range of these two ... contrast, kernel estimation reveals that the main foraging areas of these two sympatric, congeneric species ...

   Meeting Document : WG-EMM-01/67 : Автор(ы): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)

2. Longline sink rates of an autoline vessel, and notes on seabird interactions

   Abstract:  A series of longline sink-rate trials were conducted with and without weights, from an ... , and the design was refined during the voyage. The aerial section of the tori line appeared to provide ... an effective deterrent to most seabirds. Statistical analyses of the data from the line sink rate ... of the attached weights. Data on line sink rate and tori line coverage suggest that quicker line sink ...

   Meeting Document : WG-FSA-01/44 : Автор(ы): N.W.McL. Smith (New Zealand)

3. ANALYSIS OF SCIENTIFIC OBSERVER DATA FROM THE RUSSIAN KRILL TRAWLER 'MAXIM STAROSTIN' IN THE SOUTH ORKNEY ISLANDS REGION (SUBAREA 48.2) DURING THE SEASON 2008-2009

   krill. This paper provides initial analysis of the ' Maxim Starostin ' catch data collected ... of the ' Maxim Starostin '. Their observation plan targeted at monitoring the amount and ... size/sex composition of the krill catches, bycatch, spatial distribution and biological condition of ... ). The data obtained during the observation period indicate the presence of several types of Antarctic ...

   Meeting Document : WG-EMM-09/29 : Автор(ы): D. Sologub (Russia)

4. Summary of monitoring and research activities at Svarthamaren, Dronning Maud Land

   of the population monitoring show that the number of pairs with chick or egg varied between 55,387 ... -178,240 (mean 119,000). Assuming that about 10 % of the colony is situated in inaccessible parts outside ... the area covered by the monitoring system the mean number of pairs producing a chick each year is ... about 132,000. On average 52% of the reproductive fraction of the population breeds each year indicating ...

   Meeting Document : WG-EMM-97/78 : Автор(ы): Lorentsen, S., Tveraa, T., Røv, N.

5. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   Abstract:  Assessments of the abundance and potential yield of mackerel icefish (Champsocephalus ... gunnari) populations at Heard Island are developed from the results of four scientific surveys conducted ... in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required, based ... of maturity and a weight length relationship. The results show that characteristics of icefish ...

   Meeting Document : WG-FSA-97/29 : Автор(ы): de la Mare, W.K., Constable, A., Williams, R.

6. Preliminary model of krill fishery behaviour in Subarea 48.1

   Abstract:  A simple deterministic model is described which models the behaviour of the krill ... fishery in Subarea 48.1 and estimates the effort applied and the catch of krill in fine-scale squares ... . The distribution of catches predicted by the model, which is restricted to the months December to ... March, compare favourably with the general distribution of catches in Subarea 48.1. A number of ...

   Meeting Document : WG-KRILL-93/14 : Автор(ы): D.J. Agnew (Secretariat)

7. Some aspects of the by-catch fish spawning and oogenesis

   Abstract:  On the basis of the biological material collected on some by-catch fishes during ... Antarctic toothfish fishery from 2002 till 2008 in different areas of the Southern Ocean (Collaboration Sea ... , D'Urville, Ross and.mundsen Seas) it was established that spawning of C. dewitti and species X ... continental shelf at depth of 300-600 m during summer season (may be autumn for sp. X) of the southern ...

   Meeting Document : WG-FSA-10/51 : Автор(ы): V. Prutko (Ukraine) and D. Chmilevsky (Russia)

8. Deployment of research hauls in the exploratory fisheries for Dissostichus spp. in Subareas 48.6 and 58.4 in 2011/12

   Abstract:  As of the end of May 2012, four longliners conducted research fishing in the ... ). These vessels completed a total of 267 research hauls. The four vessels deployed their research hauls ... 2011, prior to the start of the fishing season. During the course of research fishing, one vessel in ... SSRU 5841G did not meet the required ratio of 1 research haul to 3 commercial hauls. All research hauls ...

   Meeting Document : WG-SAM-12/06 : Автор(ы): Secretariat

9. Design of the used on Russian vessels Sparta and Chio Maru No. 3 bottom trot-line for toothfish fishing

   Abstract:  This work is prepared in accordance with recommendation of 4.18 WG-SAM-12 about ... submitting of data on fishing gears` construction that was used on Russian longliners Sparta” and “Chio Maru ... №3”. The trotline of a special design that was used is formed of main floating line and fastened ... catching of VME-organisms to a large extent, because at the presented design of a longline each line with a ...

   Meeting Document : WG-FSA-12/22 : Автор(ы): I.G. Istomin, V.V. Akishin, V.A. Tatarnikov and I.I. Gordeev (Russia)

10. Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment

    , fishing, and data collection, this study investigated how the bias and precision of biomass estimates from ... an integrated tag-based assessment are influenced by various aspects of a multiyear tagging program ... , particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... -overlap), numbers of tagged fish, duration of the tagging program, using catch-at-length or catch-at-age ...

    Meeting Document : WG-FSA-13/P03 : Автор(ы): P. Ziegler

Страницы