Résultats de la recherche
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Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II
Abstract: Hydroacoustic surveys of the distribution and abundance of krill, Euphausia superba ... abundance (biomass) of krill in the Prydz Bay region as a whole and the weight density of krill along each ... , that there had actually been changes in the abundance of krill in the region over the period between ... distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II Approval: Approved ...
Meeting Document : SC-CAMLR-VII/BG/40 : Auteur(s): Delegation of Australia
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
and easy to implement. We applied the methods to Antarctic krill Euphausia superba collected from the ... Southern Ocean over a span of 19 yr to document among-year variation in krill growth during the austral ... estimates of among-year variation in krill growth. We estimate very high among-year variation in growth ... (annual estimates for a 30 mm krill in the Elephant Island region ranged from 0.00 to0.17 mm d −1; mean ...
Meeting Document : WG-EMM-13/P01 : Auteur(s): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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Recommendations from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic Peninsula region
day workshop entitled “Understanding the objectives for krill fishing and conservation in the Scotia ... management of the krill fishery that minimises the risk of the fishery negatively impacting ecosystem health ... progress in the management of the krill fishery; broadening participation in WG-EMM to include other ... from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic ...
Meeting Document : WG-EMM-14/12 : Auteur(s): S. Hill, R. Cavanagh, R. Downie, C. Knowland and S. Grant (United Kingdom)
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A brief review of information relevant to the establishment of a Krill Research Zone within the proposed Ross Sea Region Marine Protected Area
Region Marine Protected Area (RSRMPA) that included the addition of a Krill Research Zone (KRZ). A ... , focusing primarily on krill and krill-dependent predators. Here we provide a summary of that review, which ... establishment of a Krill Research Zone within the proposed Ross Sea Region Marine Protected Area Microsoft Word ...
Meeting Document : WG-EMM-16/49 : Auteur(s): E.S. Klein and G.M. Watters
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Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations
Abstract: There is a substantial harvestfor Antarctic krill in the Southern Ocean, butlittle ... provide an example where 34 days of acoustic data, collected during commercial krill fishing operations on ... to preferential sampling of high density krill aggregations and/or limited area coverage within short ... by the fishing vessels, can be useful to obtain quantitative evaluations of krill density and ...
Meeting Document : WG-EMM-16/P12 : Auteur(s): E.J. Niklitschek and G. Skaret
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Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru
Abstract: Monitoring and hydroacoustic assessment of the distribution and biomass of krill ... ; ANTAR XXII: 16 stations). Results indicated that krill swarms during the day swarms were recorded at ... from the surface to 20 m deep. A wide distribution of krill in the study area, the highest densities ... ²). The estimations of hydroacoustic biomass krill by the method of Distorted Stochastic Approximation ...
Meeting Document : WG-EMM-16/76 : Auteur(s): R. Cornejo, M. Flores and J. Zuzunaga
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Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules
changes in the oceanic domain add to the complexity of managing the Antarctic krill fishery, particularly ... plausible that removals of even small amounts of krill could have reduced foraging opportunities. We discuss ... three management tools that could provide conservation benefits for near-shore krill-dependent species ... buffers closed to fishing during the penguin breeding season could reduce krill catches by approximately ...
Meeting Document : SC-CAMLR-XXXV/BG/14 : Auteur(s): Delegation of the United Kingdom
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Antarctic krill fisheries management and the need to retain CM 51-07
. Discussions at WG-EMM-16 provided further evidence that concentrating krill fishing operations in areas being ... , CM 51-07 has minimized the risks of localized krill depletion and therefore should not be allowed to ... between fishing locations and predator foraging areas to minimize the risk of fishery impacts on krill ... predators. Author(s): Submitted by ASOC Title: Antarctic krill fisheries management and the need to retain ...
Meeting Document : SC-CAMLR-XXXV/BG/17 : Auteur(s): Submitted by ASOC
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Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels
Abstract: Acoustic data from krill fishing vessels have the potential to provide useful ... contributions to assess local krill abundance and distribution, and even as input to the CCAMLR feedback ... . Here we show examples of processing with a prerequisite that abundance and distribution of krill are ... integration as a robust noise excluding technique, and as a krill identification technique in case data have ...
Meeting Document : SG-ASAM-17/03 : Auteur(s): X. Wang, G. Skaret and O.R. Godø
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Analysis of inter-vessel variability of krill length distribution in the catches obtained in the fishery in the Bransfield Strait (Subarea 48.1)
Abstract: The inter-vessel variability of krill distribution in the catches obtained in the ... statistically significant differences in the krill length distributions from catches obtained by the vessels ... different fishing methods. The inter-vessel variability of krill length in the catches is more pronounced ... . Kasatkina Title: Analysis of inter-vessel variability of krill length distribution in the catches obtained ...
Meeting Document : WG-EMM-17/28 : Auteur(s): S. Kasatkina