Результаты поиска

1. On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements

   Abstract:  Comparative analysis of krill length distribution in the echosurvey area, obtained with ... situ at the frequency of 120 kHz as measured with echosounder EK-500 (split-beam) principle). Krill was ... caught with the commercial trawl RT 741448. It was shown that differences between krill length ... considerable (statistically significant). Besides, krill length estimates, obtained with acoustic method, were ...

   Meeting Document : WG-EMM-98/19 : Автор(ы): S.M. Kasatkina (Russia)

2. Deployment and recovery of an archival tag on an Antarctic toothfish in the Ross Sea

   toothfish tagged with an archival tag. The fish was recaptured in the fishery the following season (December ... with distinct behavioural profiles, suggesting significant activity throughout the winter period. With ... the lack of any daylight signal resulting from constant light or darkness, along with living below the ... during its time at liberty, based on the environmental variables recorded by the tag compared with ...

   Meeting Document : WG-FSA-14/64 : Автор(ы): S.J. Parker, D.N. Webber and R. Arnold (New Zealand)

3. A preliminary CASAL population assessment of Patagonian toothfish in CCAMLR Subarea 48.4 based on data for the 2009–2014 fishing seasons

   . eleginoides) in Subarea 48.4. The assessment data are updated with the observations for the 2013/14 season and ... revised assessment is compared with the previous assessment for this stock. Stock projections indicate ... that an annual yield of 40 tonnes is consistent with the application of the CCAMLR harvest control rule ... . Links with other toothfish stocks are discussed based on tag recaptures.  Author(s):  V. Laptikhovsky, R ...

   Meeting Document : WG-FSA-14/29 Rev. 1 : Автор(ы): V. Laptikhovsky, R. Scott, M. Söffker and C. Darby (United Kingdom)

4. Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish

   exposed to high levels of interactions with cetaceans removing fish from the fishing gear and to ... conducted on board vessel Austral Leader II from January 22nd to February 17th 2010 with a period of ... comparison with longliners. This paper describes the trial and the results obtained with different pot models ... . The catch rate of Patagonian toothfish with pot was lower than when using longline but direct ...

   Meeting Document : WG-FSA-10/10 : Автор(ы): N. Gasco, P. Tixier and C. Guinet (France)

5. Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3

   seasons, suggesting movement of animals both up and down slope at particular times of year. Months with a ... statistically significant pattern of changing mean length at depth with month was found in both 1997 and 1998 ... high mean length at depth are May and August, and with a low mean length at depth are April and July ... with movement of animals to preferred spawning depths. A general model would be that toothfish form ...

   Meeting Document : WG-FSA-98/58 : Автор(ы): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)

6. Method for collecting of data on traumatic death of krill passed through the trawl meshes

   with threads of the net bag some of them may receive possibly lethal mechanical damage. Proposed method ... bag, only for fishing with hauling of full net for catch extraction. The analogous rating for fishing ... with fishpump needs developing of special methods of source material obtaining to set experiments. But ... . Picking of krill individuals, passed through meshes of net bag cover of fishing gear was carried out with ...

   Meeting Document : WG-EMM-12/43 : Автор(ы): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)

7. Target strengths of krill at 136 and 20 kHz

   and using trawling-acoustic method. Ensonification of encaged live krill. For aggregations with mean ... 136 kHz. For aggregations with mean lengths in the range (43,47)mm the mean single-krill target ... strengths are in the range (-71,-77) dB at 20 kHz. Trawling-acoustic method. For aggregations with mean ... obtained. At the same frequency for aggregations with mean lengths in the range (41,47) mm the mean single ...

   Meeting Document : WG-KRILL-91/29 : Автор(ы): S.M. Kasatkina (USSR)

8. Outline details of the proposed aerial photographic survey at South Georgia for estimating breeding population sizes of land-based predators

   predator populations breeding at South Georgia with a view to providing critical data about interactions ... with commercial fisheries. The research will also develop methodologies that reliably assess trends in ... concentrate upon those species where there is a high probability of interaction with fisheries and significant ... disturbance associated with data collection. Author(s):  P. Trathan and D. Briggs (United Kingdom) Title ...

   Meeting Document : WG-EMM-01/24 : Автор(ы): P. Trathan and D. Briggs (United Kingdom)

9. Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region

   collected for two fishing seasons, with 4 728 longline segments observed. Several regions with consistent ... presence of VME taxa bycatch are identifiable, as are several areas of dense fishing effort with no ... to be estimated, along with changes in catch rate at different levels of observed bycatch. Results ... probability of detection was higher near areas with other high bycatch observations. Video transects on the ...

   Meeting Document : WG-FSA-10/30 : Автор(ы): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

10. Предложение об усилении мониторинга и контроля перегрузок

    the current measure allows for transhipment by or with vessels flagged to non-Contracting Parties (NCP ... in accordance with Conservation Measure 10-02.  The proposal would also establish an NCP Transhipment ... Vessel Record containing the vessels of NCPs that would be authorized to tranship with Contracting Party ... cooperating with CCAMLR in the monitoring and control of transhipment.  This procedure would require that non ...

    Meeting Document : CCAMLR-XXXIV/27 : Автор(ы): Delegation of the USA

Страницы