Resultados de la búsqueda
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
year. The prolonged presence of sea ice around the South Orkney Islands probably accounted for the low ... Island, South Orkney Islands are reported for the 1997/98 summer season. There were six sightings of ... bands at Bird Island was higher than in recent years and there was a decrease in the incidence of net ... net highlights the need for CCAMLR Members to take further steps to ensure that vessels are aware of ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Autor(es): Delegation of the United Kingdom
-
Beached marine debris surveys and incidences of seabird/marine mammal entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, and Signy Island, South Orkneys, 2009/10
previous years, and for the first time we also report data collected at King Edward Point, South Georgia ... Signy Island during 2009/10 were below the long-term mean for beached debris and entanglements but above ... the long-term mean for debris associated with most seabird species. Author(s): Delegation of the ...
Meeting Document : SC-CAMLR-XXIX/BG/10 : Autor(es): Delegation of the United Kingdom
-
Coincidence between climate fluctuations and variability in the Antarctic krill (Euphausia superba) recruitment
Drake Passage and krill recruitment variabiIlty. Years of high pressure gradients coincided with the ... years of good krill recruitment, and vice versa. Author(s): Sasai, Y., Kutsuwada, K., Naganobu, M ...
Meeting Document : WG-EMM-95/53 : Autor(es): Sasai, Y., Kutsuwada, K., Naganobu, M.
-
Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
mirrored by those at the other location; for example, 1991 and 1994 were years of very low krill density at ... around South Georgia (SG) and Elephant Island (El) were compared for seven austral summers between 1981 ... interestingly, the magnitudes of abundance and between-year gradients of change of abundance at each site were ... both SG and El. There was no apparent lag in changes in abundance at each site, and ranked between-year ...
Meeting Document : WS-AREA 48-98/11 : Autor(es): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
-
How fast do demersal longlines sink?
longlines. Lines with integrated weight (lead cores) sank two-three times faster (45- 52 cm/second) than ... 18 cm/second for Silver lines of the same diameter. Samples of lines set by hand in still water sank ...
Meeting Document : WG-FSA-02/25 : Autor(es): G. Robertson (Australia), E. Moe, R. Haugen (Norway) and B. Wienecke (Australia)
-
Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2005/06
thirteenth such annual report. As in previous years, more items of marine debris and fishing gear (mostly ... , more items were encountered this season than in the previous season for all species monitored with the ...
Meeting Document : SC-CAMLR-XXV/BG/11 : Autor(es): Delegation of the United Kingdom
-
Summary of holdings of Patagonian toothfish (Dissostichus eleginoides) otoliths and size-at-age estimates from Heard and McDonald Islands (Division 58.5.2)
estimates from fish captured between 1997 and 2003. A growth model based on these size-at age data is ... currently used in the assessment to predict growth and assign length-at-age to catch-at age, however an ... season age-length keys for these fisheries impossible. It is likely that sufficient otoliths have been ...
Meeting Document : WG-FSA-07/45 : Autor(es): D.C. Welsford and G.B. Nowara (Australia)
-
Preliminary results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014
) To sample additional experimental stations in an adjacent area to identify areas of high subadult ... catch rates were down in strata B and C. Standardised catch rates for the core strata were similar to ... 2013 and down on 2012, although not significantly. Experimental stratum I showed larger fish than in ...
Meeting Document : WG-SAM-14/24 : Autor(es): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)
-
Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
Abstract: Three basic length groupings of krill were identified with the clustering analysis on ... the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ...
Meeting Document : WG-EMM-04/27 : Autor(es): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
-
Automated data processing using Echoview
document provides an overview of an automated procedure for processing acoustic data that is illustrated ... reappraisal of many of the current methods for data processing and analysis. For some acoustic data sets ... manual processing is no longer an option; the large size of the data set is preventing analysis. This ...
Meeting Document : SG-ASAM-15/01 : Autor(es): M.J. Cox (Australia), G. Skaret (Norway), L.-M.K. Harrison and R. Harcourt (Australia)