Search results
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Beach debris survey – Main Bay, Bird Island, South Georgia 1999/2000
Abstract: During the tenth year of standardised beach surveys of man-made debris at Bird Island ... , South Georgia, a total of 408 items was collected. This represents a 92% increase on the total of 213 ... increase (310%) in the number of items collected over winter (April- September) from 41 items in 1998/99 to ... 168 items in 1999/2000 and a 40% increase in the number of items collected during summer reflect a ...
Meeting Document : SC-CAMLR-XX/BG/02 : Author(s): Delegation of the United Kingdom
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Environmental variability effects on marine fisheries: four case histories
Abstract: The changing nature of marine fisheries requires management approaches that recognize ... and include ecosystem and environmental effects. Therefore, we review some examples of exploited ... distribution of the stock. Four examples, ranging from Antarctic krill to oysters, are given that clearly ... strategies for exploited fisheries must include effects of environmental variability. In particular ...
Meeting Document : WG-EMM-97/66 : Author(s): Hofmann, E.E., Powell, T.M.
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2001/02
Abstract: During the twelfth year of standardised beach surveys of man-made debris at Bird Island ... , South Georgia, a total of 193 items was collected, 140 during summer and 53 during winter. This ... represents a 33 % decrease on the total of 290 items recorded in 2000/01 and the lowest level of summer beach ... year. The 2001/02 season was characterised by a dramatic decrease in the proportion of nylon line ...
Meeting Document : SC-CAMLR-XXII/BG/10 : Author(s): Delegation of the United Kingdom
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Statistical problems in krill stock hydroacoustic assessments
Abstract: Two primary issues are at question for hydroacoustic assessments of krill, The first is ... accuracy of target-strength measurements. In the case of statistical methods, there are no clear guidelines ... techniques. However, this does not invalidate the use of available methods to conduct surveys and analyze ... results. In the case of target-strength accuracy, even if the present values were very accurate, the issue ...
Meeting Document : SC-CAMLR-VII/BG/22 : Author(s): United States of America
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Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity
1998 are reported, and compared to surveys done in 1984 and 1995, prior to the onset of unregulated ... while fishing equipment also doubled during this period. An increase in the number and proportion of ... Spanish script items was noted, while French items only appeared after the onset of illegal fishing ... . Monthly accumulation showed a strong seasonal effect, which also corresponded to periods of reported ...
Meeting Document : CCAMLR-XVII/BG/25 : Author(s): Delegation of South Africa
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Implementing plausible ecosystem models for the Southern Ocean: an ecosystem, productivity, ocean, climate (EPOC) model
statistical language to help explore topical issues on Antarctic marine ecosystems, including impacts of ... climate change, consequences of over-exploitation, conservation requirements of recovery and interacting ... be used to facilitate the development of plausible ecosystem models for evaluating management ... procedures for krill following the recommendations of the workshop held by WG-EMM in 2004. EPOC has been ...
Meeting Document : WG-EMM-05/33 : Author(s): A.J. Constable
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Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.
Abstract: Feeding behaviour, ecological role in the marine food web and population trend of the ... of both sexes partition foraging depths and food resources, which might diminish intra-specific ... requirements at the nest increase, they increment the number but reduce the duration of the feeding trips. A ... steady declining trend in the number of breeding pairs of both species has been observed in the last ...
Meeting Document : WG-FSA-05/P5 : Author(s): Casaux, R., Barrera-Oro, E.R.
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CLASSIFICATION GUIDE FOR POTENTIALLY VULNERABLE INVERTEBRATE TAXA IN THE ROSS SEA LONG-LINE FISHERY
Abstract: Conservation Measure 22-06, in the absence of site-specific or other conservation ... to be taken when evidence of a Vulnerable Marine Ecosystem (VME) is encountered in the course of ... fishing operations. Monitoring fishing operations for encounters with evidence of a potential VME entails ... identification of specific taxonomic groups of invertebrates, such as sponges or corals. Identification of these ...
Meeting Document : WG-FSA-08/19 : Author(s): S. Parker, D. Tracey, E. Mackay, S. Mills, P. Marriott, O. Anderson, K. Schnabel, D. Bowden and M. Kelly (New Zealand)
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RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA
commercially important, deepwater nototheniid fish, was examined at the sub-Antarctic island of South Georgia ... . Abundance of the 1+ juvenile fish cohort (13 to 15 month old dependent on survey date) was found to vary ... and larvae were not significantly correlated with juvenile density. The mean length of 1+ fish ... attained after 13-15 months was higher in years of high juvenile abundance and was significantly inversely ...
Meeting Document : WG-FSA-08/P02 : Author(s): M. Belchier and M.A. Collins
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Korean research plan for Dissostichus spp. in Subarea 48.5 in 2015/16
directed fishing for long time and is not even subdivided into any SSRUs. Republic of Korea noted that it ... could be because of the lack of information on this region. The research surveys were conducted in this ... area for two years. The Republic of Korea noted that the research activities in this region had ... relatively high catch rates in the Convention area. In the light of fishing experiences from the fisheries of ...
Meeting Document : WG-SAM-15/08 : Author(s): Delegation of the Republic of Korea