Результаты поиска

1. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   Abstract:  The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... available, SSRU 58.4.1 C may be also one of the important spawning grounds for D. mawsoni from the degrees ... in development of GSI in summer comparable with those in the north of Subarea 48.6 and Banzare Bank ...

   Meeting Document : WG-SAM-15/05 : Автор(ы): Delegation of Japan

2. Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations

   Abstract:  The first year of a two-year and multi-member research survey using standardised ... longline gear to sample toothfish populations was carried out in the northern areas (60°‑ 66° S) of SSRUs ... of 109.1 t of Antarctic toothfish and two Patagonian toothfish (0.029 t) were caught. Toothfish catch ... . Age composition of the catch as predicted by the spatial population model was similar to that observed ...

   Meeting Document : WG-FSA-15/32 : Автор(ы): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)

3. Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

   of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ... mortality rates of escaped krill. Haul duration, hydrological conditions, maximum fishing depth and catch ...

   Meeting Document : WG-EMM-16/04 : Автор(ы): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann

4. High-resolution ocean modelling of the South Georgia and South Orkney Islands regions

   South Orkney Islands is highly productive, with a history of commercial exploitation. Many of the key ... oceanographic and ecological processes that determine the structure and functioning of this ecosystem operate ... over small scales of <10 km. Historically, these fine spatial scales have been poorly represented in ... numerical models. Here we describe the development of two regional ocean models that will be used to examine ...

   Meeting Document : WG-EMM-16/15 : Автор(ы): E. Young, E. Murphy and P. Trathan

5. Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird

   Abstract:  Weather extremes are one important element of ongoing climate change, but their impacts ... are poorly understood because they are, by definition, rare events. If the frequency and severity of ... consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival in ... Antarctic petrels and assess whether snow storms are an important driver of annual breeding success and ...

   Meeting Document : WG-EMM-16/P13 : Автор(ы): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen

6. Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017

   covering depths of between 100 and 350m. 3. Overall biomass of Mackerel icefish (Champsocephalus gunnari ... ) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Mackerel icefish ... density was highest on the fishing grounds on the moraine banks of the NW stratum. 4. Clear regional ... Rocks, at low levels in the northern strata of South Georgia and more abundant in the Southern strata ...

   Meeting Document : WG-FSA-17/44 : Автор(ы): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone

7. Trade data analysis – A report of trends and supply chains in CDS data

   Abstract:  Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has ...  identified increased use of the CDS with increases in the number of DCDs (41%), DEDs (35%) and DREDs (193 ... %) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ... largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ...

   Meeting Document : CCAMLR-XXXVII/BG/03 : Автор(ы): CCAMLR Secretariat

8. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

   Abstract:  Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... BROKE) and (3) areal coverages were different primary because of difference of positions of sea ice edge ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...

   Meeting Document : SG-ASAM-2019/02 : Автор(ы): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

9. On the use of scientific observers on board krill fishing vessels

   Abstract:  Wide-scale monitoring of the status of Antarctic krill resources had been previously ... conducted by the USSR and its results still allow scientist to prepare forecasts of changes in the ecosystem ... scientists requested that draft amendments to a number of CCAMLR Conservation Measures be considered to make ... the System of International Scientific Observation compulsory in Antarctic krill fisheries. Indeed, a ...

   Meeting Document : WG-EMM-05/32 : Автор(ы): Delegation of Ukraine

10. The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area

    Abstract:  Results of acoustic surveys carried out in winter months of 2000 and 2002 demonstrate ... significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... parts of South Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown ... that in winter months in the northwestern part where foraging areas of dependent predators are located ...

    Meeting Document : WG-EMM-04/66 Rev. 1 : Автор(ы): S.M. Kasatkina (Russia)

Страницы