Search results
-
REPORT FROM INVITED EXPERT TO WG-EMM-PSW-08
Abstract: Dr Rachel Fewster (Department of Statistics, Faculty of Science, University of Auckland ... ) participated in the WG-EMM Predator Survey Workshop as Invited Expert. The terms of reference for her ... consultation and advice on procedures for: (i) estimating abundance of important krill predators for Small ... estimates (iii) identifying gaps in existing data that constrain estimation of status and advising on how ...
Meeting Document : WG-EMM-08/09 : Author(s): R. Fewster (Invited Expert)
-
A noise removal algorithm for acoustic data with strong interference based on post-processing techniques
Abstract: The use of fishing-vessel-based acoustic data has been recognized by SC-CAMLR as an ... important way to estimate the distribution and relative abundance of Antarctic krill (Euphausia superba ... ), yet the quality and even the utility of the data may be seriously degraded by interferences due to the ... lack of synchronization device for the acoustic instruments equipped on some of the vessels. A simple ...
Meeting Document : SG-ASAM-15/02 : Author(s): X. Wang, X. Zhao and J. Zhang (People’s Republic of China)
-
Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
of a commercial fishery (Nicol et al. 2010; Watters et al. 2013), recent declines in seasonal sea-ice ... estimates of krill biomass, habitat use, and association with top predators to examine these likely ... interactions. Krill were virtually absent in offshore waters of the Drake Passage during all three winters ... , compared to summer. In Bransfield Strait, median krill abundance was an order of magnitude higher (8 krill ...
Meeting Document : WG-EMM-15/05 : Author(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
-
Monitoring vessel traffic in the Ross Sea Region MPA
Abstract: Paragraph 24 of Conservation Measure (CM) 91-05 addresses the monitoring of vessel ... Secretariat prior to the entry of their fishing vessels into the MPA. Vessels conducting scientific research ... Secretariat of their plans for intended passage through the MPA. With entry into force of the MPA occurring ... effective and efficient monitoring of vessel traffic in the MPA, as per CM 91-05, paragraph 24. Author(s ...
Meeting Document : CCAMLR-XXXVI/23 : Author(s): Delegation of the USA
-
How much do icefish (Notothenioidei, Channichthyidae) eat in the southern Scotia Arc and the Antarctic Peninsula region?
, Cryodraco antarcticus, and Chaenodraco wilsoni) ice fish species were estimated around islands of the ... of the Antarctic Peninsula. Variability of food consumption was comparatively low between years in ... primary dietary component. Their food intake varied by a factor of 2 or 3 between years. Most estimates of ... daily food intake of demersal Antarctic fish both available in the scientific literature and from our ...
Meeting Document : WG-FSA-10/18 : Author(s): K.-H. Kock (Germany), C.D. Jones (USA), J. Gröger and S. Schöling (Germany)
-
2006–2013 fish distribution and biomass in the Kerguelen EEZ (CCAMLR DIVISION 58-5-1) for the bathymetric range 100–1 000 m
Abstract: Three fish biomass surveys have been recently undertaken in the northern part of the ... neritic and 6 deep-sea for their upper bathymetric range). The high number of stations (up to 200 each ... time) allows to be confident with the estimation of fish biomass ranging from 247 000 to 268 000 tons ... for a ground area of about 183 000 km 2. Patagonian toothfish (Dissostichus eleginoides), with up to ...
Meeting Document : WG-FSA-14/07 : Author(s): G. Duhamel, M. Hautecœur and R. Sinegre (France)
-
The US commercial krill fishery in Area 48: development, fishing patterns, and decision making
decision making processes involved in harvesting krill by the U.S. fishery. Because the Captain of the Top ... north of South Georgia; in 2001, all fishing was conducted off the South Shetland Islands and Bransfield ... Strait. In 2002, fishing operations were carried out off the Antarctic Peninsula, west of Elephant Island ... ; and northwest of the South Orkney Islands. Information on set locations, effort, yield, catch rates ...
Meeting Document : WG-EMM-02/18 : Author(s): C.D. Jones and M. Hull (USA)
-
Address given to citizen’s marine summit, Japan By Dr I. Everson
Abstract: The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ... requirements of science to provide information for rational management. It is concluded that co-operation is ... essential between fishermen and scientists to ensure the provision of the data needed to test hypotheses ...
Meeting Document : CCAMLR-XII/BG/11 : Author(s): Delegation of United Kingdom
-
Male krill grow fast and die young
Abstract: The size-differentiated sex ratio (proportion of males: POM) of Antarctic krill was ... southwest Atlantic sector, and from the krill fishery in the Southern Ocean. The percentage of males in size ... classes of adult krill was generally high in krill of 30-35 mm total length, always low in 38-42 mm krill ... for males when compared to females. These results suggest that the numbers of males should decline ...
Meeting Document : WG-EMM-07/P6 : Author(s): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
-
Sounds like more krill
Abstract: Antarctic krill, Euphausia superba, comprise the foundation of the food-web in the ... Southern Ocean and are the target of a large fishery. Recently, the total abundance of krill in the Scotia ... Conservation of Antarctic Marine Living Resources (CCAMLR) to revise the precautionary catch level for krill in ... energy attributed to krill, scaled by the Greene et al. model of krill acoustical reflectivity or target ...
Meeting Document : WG-EMM-04/41 : Author(s): D.A. Demer and S.G. Conti (USA)