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CEMP INDICES: 2011 UPDATE
indicator species collected by standard methods in the three Integrated Study Regions of the Convention Area ... anomalies in these data. This report covers biological indices only. Six Members submitted data for 13 sites ... and 12 CEMP parameters in 2010/11. No data was received from CEMP sites in Area 88. Since 1989/90, a ... total of 116 anomalous values (anomalies, see Appendix 1) have been observed in the times series of ...
Meeting Document : WG-EMM-11/06 : Автор(ы): Secretariat
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Impact of predation by Cape fur seals Arctocephalus pusillus on Cape gannets Morus capensis at Malgas Island, Western Cape, South Africa
(Morus capensis) fledglings around Malgas Island in the 2000/01 breeding season, 11 000 in 2003/04 and 10 ... 000 in 2005/06. This amounted to about 29%, 83% and 57% of the overall production of fledglings at the ... island in these breeding seasons, respectively. Preliminary modelling suggests this predation is not ... sustainable. There was a 25% reduction in the size of the colony, the second largest of only six extant Cape ...
Meeting Document : WG-EMM-06/9 : Автор(ы): A.B. Makhado, R.J.M. Crawford and L.G. Underhill (South Africa)
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On selectivity of commercial and research trawls when krill catching
Abstract: In the paper the attempt was made to compare selective features of several midwater ... krill trawls within the frame of krill density precise estimates provision problem in echo-surveys. The ... -Kidd research trawl IKTM) are presented. Selectivity differences of those trawls resulted in ... significant variability of krill size composition in catches. Average krill length differed more than in 6 mm ...
Meeting Document : WG-EMM-96/34 : Автор(ы): Kasatkina, S.M.
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Estimation of the green weight of krill caught
Abstract: Vessels operating in the krill fishery in CCAMLR’s Convention Area have been required ... revised at WG-EMM-13 and published in Conservation Measure 21-03 Annex B. Estimates of green weight and ... parameter values are reported in each vessel’s haul-by-haul catch and effort data. This paper reviews the ... data reported in 2013/14 (to May 2014). Vessels fishing in 2013/14 used six methods for the direct ...
Meeting Document : WG-EMM-14/29 : Автор(ы): Secretariat
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Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter
Abstract: Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... pelagic open-ocean ecosystem are normally sparse or absent. Consequently, ecosystem models are limited in ... proxy for MTLO abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised ... additive mixed models were used to develop simple predictive models for backscatter in the epi- and ...
Meeting Document : WG-EMM-18/P07 : Автор(ы): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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New research consistent with a proposed draft Research and Monitoring Plan for a Ross Sea region MPA
activities identified therein. We also identify new research proposals submitted in the past year that are ... Abstract: In 2013 New Zealand and the USA submitted a draft research and monitoring plan to ... accompany a proposal for a Marine Protected Area in the Ross Sea region. In this paper we describe new ... also expected to address priority activities identified in the plan. All CCAMLR Members are encouraged ...
Meeting Document : SC-CAMLR-XXXIII/BG/24 : Автор(ы): Delegations of New Zealand and the USA
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Program of research to improve the seabird by-catch mitigation effectiveness of the Spanish system of longline fishing
reduce the amount of fishing gear (and ghost fishing) lost in benthic habitats by Spanish system vessels ... in the Convention area and, potentially, in other fisheries where Spanish system vessels operate. A ... step-wise approach will be taken using a chartered fishing vessel in Chile to trial various line ... used by Spanish system vessels. The objectives are to (a) reduce the degree of lofting in hook lines ...
Meeting Document : WG-FSA-05/12 : Автор(ы): G. Robertson (Australia) and C. Moreno (Chile)
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Report on the CCAMLR marine debris monitoring program
items found in beach surveys. The fishing items found were mostly from longline and trawl origins ... . Plastic packaging bands continue to be found in beach surveys, with an unfortunate increase in closed ... bands found at King George Island. Overall, the amount of debris in colonies of grey-headed albatrosses ... in wandering albatross colonies remains the most frequent debris item found in each season. The ...
Meeting Document : WG-FSA-14/68 : Автор(ы): Secretariat
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Предложение об усилении мониторинга и контроля перегрузок
activities that occur inside the Convention Area. However, as noted by SCIC in 2014, it is not clear whether ... -09 to clarify that Contracting Party vessels engaged in transhipment activities within the Convention ... in accordance with Conservation Measure 10-02. The proposal would also establish an NCP Transhipment ... cooperating with CCAMLR in the monitoring and control of transhipment. This procedure would require that non ...
Meeting Document : CCAMLR-XXXIV/27 : Автор(ы): Delegation of the USA
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on ... finfish fishery has ever existed. Integral study of these parameters there showed that, in Antarctic shags ... , respectively, with both factors adversely affecting the population trends of this bird. In line with these ... premises, the declining trend observed in shag colonies on the South Shetland Islands appears to have been ...
Meeting Document : WG-EMM-16/P09 : Автор(ы): R. Casaux and E. Barrera-Oro
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