Resultados de la búsqueda
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
and did not begin re-colonizing until ~80yrs later. The first reported pups born post-exploitation ... %) and San Telmo Islands (21%). Dead pups accounted for 1.37% of the total. A comparison with previous ... at individual colonies varied with some increasing and others decreasing. The San Telmo Islands had ... were found at Cape Shirreff, Livingston Island in January 1960. In 1987, an archipelago-wide aerial and ...
Meeting Document : WG-EMM-02/51 : Autor(es): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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Report on bottom fisheries and vulnerable marine ecosystems: draft template and workplan
. Discussions to date would suggest that the report be routinely update each year in WG-FSA but with input from ... as far as possible for consideration by WG-FSA later in the year. Author(s): WG-FSA Subgroup on VMEs ... Abstract: The WG-FSA Subgroup on VMEs was tasked with providing a draft template of a Report on ...
Meeting Document : WG-EMM-10/15 : Autor(es): WG-FSA Subgroup on VMEs
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Revised research program of Ukraine in Subarea 88.3
four reserch blocks. It is planned to complete the study for Dissostichus spp. in Subarea 88.3 within 3 ... years. Author(s): Delegation of Ukraine Title: Revised research program of Ukraine in Subarea 88.3 ...
Meeting Document : WG-FSA-17/34 : Autor(es): Delegation of Ukraine
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Echo integration in low signal to noise regimes: methods of noise estimation and removal
contribution to the above-threshold-signal cannot later be removed in post processing. The only solution is to ... kHz with a Simrad EK500 are presented to demonstrate the highly variable nature of background noise. A ...
Meeting Document : WG-EMM-97/74 : Autor(es): Higginbottom, I., Pauly, T.
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Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7
description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ...
Meeting Document : WG-EMM-04/60 : Autor(es): G. Watters (USA) and K. Reid (United Kingdom)
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Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99
latitudes where operations were undertaken. Operations tended take place in the north in early 1980s, but ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ... seasons. Predicted latitudes of operation significantly correlated with Salp densities in the Elephant ... Island area (Spearman's rank correlation, p<0.05), but not with krill densities. This may be due ...
Meeting Document : WG-EMM-00/58 : Autor(es): S. Kawaguchi (Japan)
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Final report of scientific observation of commercial krill harvest aboard the Japanese stern trawler Niitaka Maru, 13 December 2000–26 January 2001
measurements of krill, product types are described in the report. The trawler made an anti-clockwise trip ... around the South Shetland Islands. During this trip, the vessel encountered a swarm rapidly moving ...
Meeting Document : WG-EMM-01/38 : Autor(es): T. Hayashi, S. Kawaguchi and M. Naganobu (Japan)
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Exploratory analysis of acoustic data from the Ross Sea
could be compared with longline catches. Each ‘line’ recording was between 20 and 50 min long ... files), the file was corrupted (1 file), or the longline was lost so there were no corresponding catch ... data (4 files). Poor data quality was associated with strong winds (greater than Beaufort 5) and/or ... -mounted transducer. Other issues with data quality were interference from another echosounder before 11 ...
Meeting Document : WG-FSA-SAM 03/9 : Autor(es): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN APRIL 2009, USING THE GENERALISED YIELD MODEL
year class detected in the last two years’ surveys is now fully recruited as the 3+ cohort, and ...
Meeting Document : WG-FSA-09/33 : Autor(es): D.C. Welsford (Australia)
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Plan of research program of Ukraine in Subarea 88.3 in 2018
Subarea 88.3 within 3 years. Author(s): Delegation of Ukraine Title: Plan of research program of Ukraine ...
Meeting Document : WG-SAM-17/19 : Autor(es): Delegation of Ukraine