Resultados de la búsqueda
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Control del tránsito de barcos en el AMP de la región del mar de Ross
Abstract: Paragraph 24 of Conservation Measure (CM) 91-05 addresses the monitoring of vessel ... traffic within the Ross Sea Region Marine Protected Area (MPA). Flag States are required to notify the ... Secretariat prior to the entry of their fishing vessels into the MPA. Vessels conducting scientific research ... activities on Antarctic marine living resources (AMLR) in or transiting the area are encouraged to inform the ...
Meeting Document : CCAMLR-XXXVI/23 : Autor(es): Delegation of the USA
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Chilean NPOA-Seabirds: first steps
Abstract: The progresses in the developing of the Chilean NPOA-S are described. At the moment, an ... Executive and a Technical Group have been constituted. First steps taken had been the selection of ... mitigation measures to be applied; the design of experiments to test specific combinations of mitigation ... measures, and the discussion of the Objectives and Goals of the NPOA-S. The final draft of the NPOA-S will ...
Meeting Document : WG-FSA-04/14 : Autor(es): C.A. Moreno and J. Arata (Chile)
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Species profile of mackerel icefish (Champsocephalus gunnari)
Abstract: Mackerel icefish (Champsocephalus gunnari) has been exploited since the early 1970’s ... and became the target species of fisheries in many parts of the low-Antarctic from 1975 to 1990 ... . Exploitation has been limited to South Georgia and Heard and McDonald Islands since the second half of the 1990 ... ’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and ...
Meeting Document : WG-FSA-07/12 : Autor(es): K.-H. Kock (Germany) and I. Everson (UK)
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Filling knowledge gaps east in Dronning Maud Land to inform MPA planning by CCAMLR (ECOgaps): Norwegian cruise to DML 2019
Abstract: The aim of the ECOgaps is to improve the knowledgebase on physical conditions and biota ... east of the 0 meridian in the MPA planning Domain 4. Focusing on the Astrid ridge, the continental ... shelf off of Dronning Maud Land, and the Maud rise, multidisciplinary investigations will be conducted ... in 2019 by the RV Kronprins Haakon. In this working document, the cruise being planned is outlined ...
Meeting Document : WG-EMM-18/13 : Autor(es): H. Steen, A. Lowther and O.A. Bergstad
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OCEAN-BOTTOM KRILL SEX
Abstract: For the first time the entire sequence of the mating behaviour of Antarctic krill ... (Euphausia superba) in the wild is captured on underwater video. This footage also provides evidence that ... mating can take place near the seafloor at depths of 400–700 m. This observation challenges the generally ... accepted concept of the pelagic lifestyle of krill. The mating behaviour observed most closely resembles ...
Meeting Document : WG-EMM-11/P7 : Autor(es): S. Kawaguchi, R. Kilpatrick, L. Roberts, R.A. King and S. Nicol
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Video monitoring trial Avro Chieftain 2005 an interim report
monitoring system within 58.5.2. The initial results from the monitoring of the hauling are optimistic but ... need to be fully analysed against the observer data that was generated for the same period. There is ... confidence that the trial achieved the objectives required of monitoring the hauling but the results of ... monitoring the setting operation were unsatisfactory due to operational and technical limitations of the ...
Meeting Document : WG-FSA-05/74 : Autor(es): B. Stanley (Australia)
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Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru
Abstract: In order to calculate the target strength of Antarctic krill (Euphausia superba) using ... -density contrasts between the animal and the surrounding water are required. Sound-speed and mass-density ... of krill were measured during the Antarctic surveys conducted by the Japanese RV Kaiyo Maru in 1999 ... density bottle method. The mean total length and the mean mass-density contrast were 43.5mm and 1.028 near ...
Meeting Document : WG-EMM-08/56 Rev. 1 : Autor(es): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
Abstract: Information on the length distribution of krill in the catch, and the spatial and ... temporal patterns of krill length in the population is essential to assess krill population status and ... dynamics, and the impacts of a fishery on the stocks. Here, we use generalised additive models (GAM) and ... generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ...
Meeting Document : WG-EMM-15/16 : Autor(es): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)
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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 ... sustainable. There was a 25% reduction in the size of the colony, the second largest of only six extant Cape ... seals on seabirds around southern African islands since the mid 1980s, coincidental with both an ...
Meeting Document : WG-EMM-06/9 : Autor(es): A.B. Makhado, R.J.M. Crawford and L.G. Underhill (South Africa)
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3.
Abstract: At the 2004 meeting of the Working Group on Ecosystem Monitoring and Management (WG-EMM ... ) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the krill ... fur seal deaths in the fishery. WG-EMM requested that the UK provide further details of the methods ... employed for consideration by the ad hoc Working Group on Incidental Mortality Arising from Fishing (WG ...
Meeting Document : WG-FSA-05/P1 : Autor(es): Charman, C., Clark, J., Hooper, J., Agnew, D.