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THE ASAM 2010 ASSESSMENT OF KRILL BIOMASS FOR AREA 48 FROM THE SCOTIA SEA CCAMLR 2000 SYNOPTIC SURVEY
the CCAMLR 2000 synoptic survey data to generate a quality checked krill biomass for area 48 following ... estimated from acoustic and net data collected during the international multi-ship krill biomass in the ... the acoustic protocol identified in ASAM 2009. The total biomass of krill in the Scotia Sea was ... Scotia Sea in 2000 to be 60.3 million metric tonnes. This report aims to document the parameters utilised ...
Meeting Document : WG-EMM-11/20 : Автор(ы): S. Fielding and J. Watkins (UK) and ASAM participants: A. Cossio, C. Reiss and G. Watters (USA), L. Calise and G. Skaret (Norway), Y. Takao (Japan), X. Zhao (People’s Republic of China), D. Agnew (UK) and D. Ramm and K. Reid (CCAMLR Secretariat)
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Development of methods relevant to feedback management (FBM) for the krill fishery
. Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... Protected Area (MPA) development in CCAMLR Planning Domain 1 encompasses the major krill fishing grounds ... fisheries within Domain 1 are critical if the fishery is to be managed by an empirical understanding of ... krill density, distribution, availability and predator needs. A future developed FBM system, as ...
Meeting Document : WG-EMM-18/08 : Автор(ы): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad
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COMPARING CEMP INDICES TO INFORM FEEDBACK MANAGEMENT OF THE ANTARCTIC KRILL FISHERY
Abstract: Despite uncertainties about interactions between ecosystems and fisheries, the ability ... to adjust activity of the Antarctic krill fishery based on the state of krill-dependent predators is ... illustrate sensitivity to the choice of data and impact, and to suggest that useful comparisons can be made ... in treatment data or minor shifts in the mean of treatment data resulted in readily identifiable ...
Meeting Document : WG-EMM-11/25 : Автор(ы): J.T. Hinke and G.M. Watters (USA)
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Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz
in 2019. Krill were collected by the commercial midwater trawl fishing vessel. The data were ... Abstract: The density of Antarctic krill swarm inhabiting the Subarea 48.1, which includes the ... acoustics survey. Acoustic data were collected using two frequencies with 38 and 120 kHz from March 8 to 15 ... software for swarm identification) and interval method based on distribution of (a) total krill AT and (b ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Автор(ы): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
Abstract: Metadata for krill biomass time series obtained by Chinese krill fishing vessel in ... Subarea 48.1 is submitted with accompanying description of the acoustic survey and data analysis ... . Distribution of Antarctic krill for the 2013/14 to 2015/16 and the 2017/18 to 2018/19 fishing seasons were ... mapped by the Chinese F/V Fu Rong Hai to understand the interannual variations of Antarctic krill around ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Автор(ы): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
adjustments to local catch limits for the krill fishery in Subarea 48.1. We use the term local catch limit to ... krill fishery in Subarea 48.1 (see Watters et al. 2016). Our proposal to make downward adjustments is ... ) feasible methods to estimate the leading indicator from monitoring data, and 4) a decision rule that can be ... that was fitted to mark-recapture data on Adélie penguins. Our results show that resilient populations ...
Meeting Document : WG-EMM-16/46 : Автор(ы): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Revisiting krill ageing method using eyestalk cuticles
for improving the precautionary management of krill fisheries. The only method to date that has shown ... Abstract: The development of a consistent and reproducible ageing method for krill is critical ... promise in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves ... series of workshops led by a qualified scientist, and using known age krill. Author(s): S. Kawaguchi, T ...
Meeting Document : WG-EMM-2019/45 : Автор(ы): S. Kawaguchi, T. Barnes, N. Waller, B. Farmer, D. Hayes, R. Kilada, C. Reiss, G. Zhu, B. Krafft, A.-L. Agnalt, T. Ichii and T. Matsuda
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A simple approach for calculating the potential yield of krill from biomass survey results
Paper Title: A simple approach for calculating the potential yield of krill from biomass survey ... MB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... WG-KRILL-91/24 A SIMPLE APPROACH FOR CALCULATING THE ... POTENTIAL YIELD OF KRILL FROM BIOMASS SURVEY RESULTS D.S. Butterworth* , A.B. Punt* and M. Basson ... fishery in which both the fishery and krill growth are seasonal. The criterion used for the calculations ... is that the probability that the krill spawning biomass drops below 20% of its median pre ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Автор(ы): Butterworth, D.S., A.E. Punt and M. Basson
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Background information to support development of a feedback management strategy for the krill fishery in Subarea 48.1
Abstract: Here we compile eight vignettes that, together, provide the background data and ... information needed to support development of a feedback management strategy for the krill fishery in Subarea ... negatively impacting the krill fishery while simultaneously mitigating risks to krill-dependent predators. We ... krill biomass and commercial fishery catch and effort to better understand how retention and ...
Meeting Document : WG-EMM-16/45 : Автор(ы): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Review of length-weight relationships for Antarctic krill
Paper Title: Review of length-weight relationships for Antarctic krill Abstract / Description ... : Length-weight relationships for krill, Euphausia superba (as well as relationships for other Antarctic ... Tables 3 and 4 contain wet weight data. In most cases krill were separated according to sex. In their ... of krill. Morris et al. (1988) applied various published length-weight relationships to data ... WG-KRILL-92/1S REVIEW OF LENGTH-WEIGHT RELATIONSHIPS ... FOR ANTARCTIC KRILL v. Siegel* Abstract Length-weight relationships for krill, Euphausia superba ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Автор(ы): Siegel, V.
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