Результаты поиска

1. Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data

   assessment of the krill stock, at scales relevant to the Commission’s conservation objectives, is a ... Abstract:  We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4 ... . The index also suggests that realised exploitation rates were below 0.5% (i.e. catch was <0.5% of ... also suggest that exploitation rates are low and that there is no evidence of a systematic change in ...

   Meeting Document : WG-EMM-15/28 : Автор(ы): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)

2. BIOLOGICAL PROSPECTING IN THE SOUTHERN OCEAN, A ROLE FOR CCAMLR

   fish and other vertebrates come in second at 10%. Of those records, the majority relate to fish, with ... Abstract:  The issue of bioprospecting has been a constant item on the agenda of ATCM since 2003 ... established to examine the issue of Biological Prospecting in the Antarctic Treaty Area. Although increasingly ... is not defined in any international convention or agreement. Indeed, there remains a range of views ...

   Meeting Document : CCAMLR-XXVII/BG/36 : Автор(ы): Submitted by IUCN

3. Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   ）were observed at the 35 hauls. Most of whales observed and the predatory damaged toothfish occurred in ... the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding fish released alive) of ... . eleginoides showed the highest catch of 35.4 tonnes, contributing 93.6 % to the total catch. Mean CPUEs of D ... %; 15.3 indiv. / 1,000 hooks) in terms of number and 62.3 kg / km (CV = 76.0%; 111.2 kg / 1,000 hooks) in ...

   Meeting Document : WG-FSA-11/14 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)

4. Estimating fishing gear selectivity for Patagonian toothfish (Dissostichus eleginoides) caught by trawlers on the Heard Island plateau region (Division 58.5.2) using trawl and longline length frequency data and forward-calculated continuation ratios

   selectivity begins from near 800 mm and declines from a selectivity of 1 to 0 at 1731 mm length. Adjusting for ... random length frequency (LF) data collected from each of trawlers and longliners for fishing seasons 2003 ... -2005 the upper arm of the gear selectivity function for trawlers is estimated using a two-stage process ... . In the first stage I estimate a parameter for each 40 mm wide length bin from the fit of a binomial ...

   Meeting Document : WG-FSA-05/65 : Автор(ы): S.G. Candy (Australia)

5. Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot

   of both male adult stages (MIIIA and MIIIB) increased, but at a lower rate. Overall, there was also a ... Abstract:  Antarctic krill (Euphausia superba) aggregate in various ways depending on a range of ... such as shelf edges and canyons, are considered as hotspots of high importance for regional pelagic ... ecosystems and also for the krill fishing industry. Despite the importance of such krill hotspots, their ...

   Meeting Document : WG-EMM-14/15 : Автор(ы): B.A. Krafft, G. Skaret and T. Knutsen (Norway)

6. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... ), using revised catch, catch-at-age, and tag-recapture data for the 2007 season. The updated reference ... model resulted in a slightly lower estimate of initial biomass than the 2006 base case. The inclusion of ... the 2007 recaptures of 2006 tags released had the most substantive impact on the model estimates ...

   Meeting Document : WG-FSA-07/37 : Автор(ы): A. Dunn and S.M. Hanchet (New Zealand)

7. Defining smaller management areas within CCAMLR

   requires two different units: the “harvesting unit”, which is at the scale of the metapopulation of the ... Abstract:  This paper discusses the principles required to develop of small-scale management units ... considering the scales of management units involving the integration of local populations of harvested species ... , foraging areas of predators, fishing grounds and the potential influences of the environment, including ...

   Meeting Document : WG-EMM-01/52 : Автор(ы): A.J. Constable and S. Nicol (Australia)

8. Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17

   Abstract:  Most things related to Dissostichus spp. in the eastern side of Antarctic Ocean has not ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2015 ... more recapture. The food-web of Dissostichus spp. has started to be studied in the southern Ross Sea ... and 58.4.1C. Some studies on biology of the fish have been evaluated, but those are not enough to ...

   Meeting Document : WG-SAM-16/17 : Автор(ы): Delegation of the Republic of Korea

9. Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19

   survey that provides updated estimates of the biomass and distribution of krill which are used in models ... essential for the implementation of a Feed-Back Management (FBM) system. The survey follows a similar design ... high krill-density areas, contains state-of-the art methods and employs modern technology for the ... research topics currently in focus. In terms of FBM, Marine Protected Area (MPA) development in CCAMLR ...

   Meeting Document : WG-EMM-2019/07 : Автор(ы): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn

10. Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries

    investigated the extent of this conflict in multiple commercial Patagonian toothfish (Dissostichus eleginoides ... , and Heard Island and McDonald Islands (Indian sector of the Southern Ocean) fisheries, statistical ... . The results indicated that these removals were large, totalling more than 6,600 t of toothfish between ... 2009 and 2016 with an overall annual mean of 837 t [95% CI 480-1,195 t], comprised of 317 t [232-403t ...

    Meeting Document : WG-FSA-2019/33 : Автор(ы): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould

Страницы