Search results
-
Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean
sources had increased by at least 120 per cent, suggesting a recent increase in the density. of artefacts ... m boulder beach at the western point of Inaccessible Island, central South Atlantic Ocean. This ... repeated the survey made at the same site during 1984, when the highest density of artefacts at the Tristan ... Inaccessible Island. The minimum rate of artefact accumulation was 88 objects km-1 year-1. Total numbers of ...
Meeting Document : CCAMLR-VII/BG/04 : Author(s): P.G. Ryan and B.P. Watkins (South Africa)
-
CEMP INDICES: 2009 UPDATE
indicator species collected by standard methods in the three Integrated Study Regions of the Convention Area ... and 12 CEMP parameters in 2008/09. This continues a decreasing trend in the amounts of data being ... submitted to the CCAMLR database. No data was received from CEMP sites in Area 88. Since 1989/90, a total of ... 110 anomalous values (anomalies, see Appendix 1) have been observed in the times series of biological ...
Meeting Document : WG-EMM-09/05 : Author(s): Secretariat
-
UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance
Abstract: The importance of Unmanned Aerial Vehicles (UAVs) in remote sensing is rapidly growing ... were conducted, in the Adelié penguin (Pygoscelis adeliae) colony at Pt. Thomas (Western Shore of ... . However, knowledge about their potential impact on wildlife is scant, especially in the Antarctic, where ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ...
Meeting Document : WG-EMM-15/50 : Author(s): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)
-
Beach debris survey, Signy Island, South Orkney Islands 2000/2001
duration of sea-ice around Signy Island was prolonged in 2000/2001 and may have limited the amount of ... size categories. A total of 16 items weighing 0.74kg was collected. The number of items and the total ... mass of the waste recovered was the lowest ever recorded (a decrease of 70% and 93% since 1999/2000 ... respectively). The number of plastic packaging bands (one) was also the lowest ever recorded and follows a ...
Meeting Document : SC-CAMLR-XX/BG/05 : Author(s): Delegation of the United Kingdom
-
Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04
represents an increase of 97% on the 183 items recorded in 2002/03 and the highest levels of summer beach ... miscellaneous items; the largest annual amount of this type of debris since the surveys began in 1990. For the ... Abstract: During the fourteenth year of standardised beach surveys of man-made debris at Bird ... debris (232 items) since the 1999/00 season. The total weight of debris collected has also increased by ...
Meeting Document : SC-CAMLR-XXIV/BG/15 : Author(s): Delegation of the United Kingdom
-
Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006
Abstract: Incidental mortality has diminished considerably in comparison with the period from ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... of the mortality of white-chinned petrels and grey petrels can be explained by the effects of season ... higher mortality in the northern and central areas in the east, and northern and southern areas in the ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Author(s): Délégation française
-
Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
estimate the effects of the fishery on the krill population. The model estimates parameters representing ... krill population biology and the fishery during the period with data (1976 to 2014 in these models) and ... the CCAMLR decision rules. An alternative pair of decision rules to those currently employed by CCAMLR ... spawning biomass instead of to projections with no fishing. Catch levels that meet the various decision ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
-
Annual Report from SCAR to CCAMLR
, Thresholds and Resilience (AntETR), State of the Antarctic Ecosystem (AntEco) and Antarctic Climate in the ... Abstract: This Background Paper reports on the various activities conducted by SCAR that are of ... 21st Century (AntClim21). As the SRP of most direct relevance to CCAMLR, AntEco has a CCAMLR ... products of relevance to the work of CCAMLR (see http://www.scar.org/researchgroups/productsandservices ...
Meeting Document : CCAMLR-XXX/BG/15 : Author(s): Submitted by SCAR
-
Do krill and salp compete? Contrary evidence from the krill fisheries
proportion of green krill in the catches was evident when both salps and krill were taken together. In the ... Antarctic Peninsula. Interannual and seasonal variability of the timing, duration and intensity of salp ... blooms and the presence of green krill were analysed. No relationship between salp density and the ... Livingston Island area, the proportion of green krill was high only when salp density was extremely low ...
Meeting Document : WS-AREA 48-98/4 Rev. 1 : Author(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)
-
Analysis of observer coverage for Japanese krill fishing vessels
Abstract: Sources of variability of krill mean length and fish bycatch number was investigated ... had the largest impacts, and year coverage had moderate impacts on CV for both mean krill length ... Sources of variability of krill mean length and fish bycatch number was investigated to explore ... the largest impacts, and year coverage had moderate impacts on CV for both mean krill length and fish bycatch ...
Meeting Document : WG-SAM-10/17 : Author(s): T. Okuda, M. Kiyota and H. Okamura (Japan)