Результаты поиска

1. Engaging ‘the crowd’ in citizen science and remote sensing to learn about habitat affinity of two Southern Ocean seals

   inspection — and abundance estimation — should be concentrated. More than 325 000 citizen scientists searched ... presence in the Weddell Sea region suggested presence on 3.3% of maps. Comparison with images searched by ... experts showed that the rate of false negative detections for Weddell seals was low (1.7%), although false ... positives were high (67%). The crabeater seal detections (3.3% of maps with seal presence) reported here ...

   Meeting Document : WG-EMM-2019/37 : Автор(ы): M.A. LaRue, D.G. Ainley, J. Pennycook, K. Stamatiou, M. Dozier, J. Saints, L. Sales, N. Nur, S. Stammerjohn and L. Barrington

2. DISTRIBUTION AND ABUNDANCE OF SKATES ON THE KERGUELEN PLATEAU (CCAMLR DIVISIONS 58.5.1 AND 58.5.2)

   Plateau, showing different spatial distributions, linked mainly with depth. In the Australian EEZ, B ... fisheries. Author(s):  G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel ...

   Meeting Document : WG-FSA-09/43 : Автор(ы): G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel (France)

3. WG-EMM-13

   . Fretwell, T. Hart and P. Trathan (United Kingdom) WG-EMM-13/12 Developing research on Antarctic krill to ... solutions exemplified with a new vessel O.R. Godø (Norway), C. Reiss (USA), V. Siegel (Germany) and J.L ... Antarctic krill S.L. Hill, T. Phillips and A. Atkinson (United Kingdom) WG-EMM-13/21 Recent British ... . Schlüter, V. Siegel and T. Brey (Germany) WG-EMM-13/23 A sensitivity analysis of a simple krill individual ...

   Meeting

4. WG-CEMP-89

   , Argentina Date(s):  Wednesday, 23 August 1989 to Wednesday, 30 August 1989 Submissions Due:  Wednesday, 9 ... August 1989 Meeting documents Doc Number Title WG-CEMP-89/01 Provisional Agenda WG-CEMP-89/02 Annotated ... Research Working Group on Biology, Bird Biology Subcommittee, 22 and 28 August 1988, Hobart, Australia ...

   Meeting

5. An update on using the CCAMLRGIS R package to create polygon data and access data on the CCAMLR online GIS

   be viewed on the online GIS. This package can also be used to create polygon data that can either be ... used directly in R or be output as shapefiles that can be loaded into other programs and/or back onto ... . maps) in R the CCAMLRGIS R package has been upgraded to provide direct access to polygon data that can ... polygon data and explain how polygon data on the online GIS can be loaded into R.  Author(s):  CCAMLR ...

   Meeting Document : WG-SAM-17/47 : Автор(ы): CCAMLR Secretariat

6. Updating the 2017 stock assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   precautionary yields. In addition, work will need to be carried out in the longer term that consider how the ... assessment will need to be modified to respond to changes in the fishing catch and effort distributions that ... should be run that incorporate short term catch split options as required by CM 91-05. Additional options ... 88.2AB) will be updated in 2017. The introduction of CM 91-05 (the Ross Sea region Marine Protected Area ...

   Meeting Document : WG-SAM-17/41 : Автор(ы): S. Mormede and S. Parker

7. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   additional fisheries removals for research purposes needs to be evaluated against the risk that such catches ... should be avoided to ensure that research does not significantly impact on the recovery of depleted ... populations Abstract / Description:  In stocks that have been depleted by overfishing, the benefit of ... toothfish (Dissostichus eleginoides) stock that has been subjected to varying levels of overfishing and ... 58.4.4a and 58.4.4b) led to the conclusion that the stock was likely to be depleted, and it was closed ... research fishing, SC-CAMLR has agreed that research should be conducted in such a way that it does not ... excess of 0.6% of median unfished total stock biomass should be avoided to ensure that research does not ... the reference scenario (Table 4), with most cases showing recovery rates within ±3 years of that es ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Автор(ы): Welsford, D.C

8. Use of biological data to inform bioregionalisation of the Southern Ocean

   other available data that is appropriate for this method and is likely to be important for the CCAMLR ... data layers without revisiting methodological or procedural decisions such as those that will be ... species-specific layers can then be used in bioregionalisation, for instance by classifying directly on ... Regression Trees), by which we propose that CCAMLR may wish to generate species layers to inform the ...

   Meeting Document : WS-BSO-07/7 : Автор(ы): M. Pinkerton, B. Sharp and J. Leathwick (New Zealand)

9. Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment

   Georgia, with special reference to the early life history of Champsocephalus gunnari. File:  04-North.pdf ... unpublished observations by the British Antarctic Survey that found fish larvae to be very abundant in ... mesh of 2 mm may be better but this would clog more easily, especially with other plankton, and may ... longer tows with less replicates, (say six tows of 40 minutes duration) may be enough to make a ... over a period of several weeks, with the larvae hatching over two or more months. Spawning may be ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Автор(ы): North, A.W.

10. Estimating the level of illegal fishing using simulated scaling methods on detected activity

    Abstract:  At its 2003 meeting, WG-FSA recommended that investigations be undertaken to determine ... by Agnew and Kirkwood (2002) for Subarea 48.3 could be applied to other CCAMLR areas (SC-CAMLR-XXII ... , Annex 5, paragraph 3.18). The results of these simulations suggest that more information on IUU fleet ... dynamics, particularly evasion tactics, will be necessary to devise an observation strategy for estimating ...

    Meeting Document : WG-FSA-SAM-04/14 : Автор(ы): Ball, I.

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