Search results
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COLTO Depredation Workshop
2016. Results were an enhanced understanding on the current state of depredation in toothfish ... fisheries, as well as a vision of what is required in the short-to-medium term to better understand and ... operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ...
Meeting Document : SC-CAMLR-XXXV/BG/23 : Author(s): Submitted by COLTO
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DEVELOPING A ‘BEST AVAILABLE SCIENCE’ BATHYMETRIC DATA FRAMEWORK FOR FISHERIES MANAGEMENT IN THE ROSS SEA
available science” bathymetric data for the Ross Sea region along with a set of spatial tools in the form of ... use by fishery managers. This is especially important because of the multinational use of such data ... and generating rugostiy at user-defined scales. Future work will incorporate data from multibeam ...
Meeting Document : WG-FSA-09/38 : Author(s): S.J. Parker, S.M. Hanchet, B. Wood and A. Dunn (New Zealand)
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OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT
Abstract: Pronounced environmental trends across fronts suggest that the otolith chemistry of ... oceanic fish can resolve zones on either side, promoting application to population questions at similar ... spatial scales. Trace and minor elements laid down immediately prior to capture – along the edges of ... Bank; 2) Mn/Ca enrichment associated with South America; 3) Sr/Ca linked to the presence of Circumpolar ...
Meeting Document : WG-FSA-08/P04 - Abstract : Author(s): J.R. Ashford, A.I. Arkhipkin and C.M. Jones
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
, conducted by commercial longliners (Figure 1). A large amount of data on toothfish and the associ- ated ... in SSRU 881K as well as in the northeast of SSRUs 881J and 881L, both of which are immedi- ately adjacent ... continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ... Paper Title: Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on ... the Ross Sea shelf Abstract / Description: This paper summarises knowledge of the distribution and ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn
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Preliminary results of RV Dmitriy Stefanov researches in the Antarctic area of the Atlantic Ocean in April 1992
krill biomass was estimated in the beginning and at the end of surveys. It amounted to 56.1 and 61.2 ... polygon of 30 x 30 miles in the fishing area northwestward of Coronation Island in 18-22 April,1992. The ... thous. t respectively. During the rest of the period the hydroacoustic assessment of krill aggregation ... of perimeter. The midwater trawl hauls were made periodically. The average estimates of krill ...
Meeting Document : WG-CEMP-92/33 : Author(s): L.G. Maklygin, V.N. Shnar, A.V. Remeslo, A.P. Malyshko, I.A. Trunov, I.A. Barabanov, V.P. Shopov (Russian Federation) and A.G. Shepelev (Ukraine)
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Disentangling the influence of three major threats on the demography of an albatross community
seabirds, globally. Understanding the relative influence and compounding nature of marine and terrestrial ... threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... of capture-mark-recapture data from four sympatric species of albatross (black-browed Thalassarche ... ) at subantarctic Macquarie Island, we quantified the temporal variability in survival, breeding ...
Meeting Document : WG-FSA-2019/34 : Author(s): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell
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Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
Chapman-estimates to achieve a 25% level of accuracy at least 50% of the time, required a minimum of 6 ... impact on the numbers of tagged fish recaptures and accuracy of tag-based estimates using the Chapman ... estimator. The results showed that tag-based biomass estimates obtained from a low numbers of recaptures ... will have a high risk of over-estimating biomass and that for a given number of tagged fish available a ...
Meeting Document : WG-SAM-17/13 : Author(s): L. Robinson, P. Burch and K. Reid
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA FOR THE YEARS 1997–98 TO 2008–09
using the selected trips tag data and the revised maturity ogive gave a similar, but slightly lower ... the second use the selected trips data set with the 2007 maturity ogive. Overall, model fits to the data were ... using the selected trips tag data and the revised maturity ogive gave a similar, but slightly lower ... the second use the selected trips data set with the 2007 maturity ogive. Overall, model fits to the data were ...
Meeting Document : WG-FSA-09/40 Rev. 1 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
Abstract: Basing on the analysis of major water mass boundaries and their thermochaline ... area of South Orkney Isls and Shetland Isls in January-February since 1970. Three types of years have ... been singled out for the area of South Orkney Isls. The first type was characterized by presence of ... intermediate cold layer. In some years of this type (1 97 1, 1972, 1978, 1982) the layer had positive ...
Meeting Document : WG-EMM-00/34 : Author(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
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Dynamic of the krill fishery in the Area 48 and its relation to climate variability and changes in fishing technology
-period fluctuations of hydrometeorological conditions at high latitudes of the southern hemisphere ... Abstract: The authors analyzed the spatial-temporal structure of standardized indices of catch ... per effort unit (CPUE) of Antarctic krill fishery in the Area 48 in relation to dynamic of ААО ... indices (Antarctic Oscillation Index) as one of the factors used in analysis of inter-annual and long ...
Meeting Document : WG-EMM-13/25 : Author(s): P.S. Gasyukov and S.М Kаsatkina (Russia)