Search results
-
Revisiting krill ageing method using eyestalk cuticles
Abstract: The development of a consistent and reproducible ageing method for krill is critical ... for improving the precautionary management of krill fisheries. The only method to date that has shown promise ... in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves thin sectioning ... , and using known age krill. Author(s): S. Kawaguchi, T. Barnes, N. Waller, B. Farmer, D. Hayes, R. Kilada ...
Meeting Document : WG-EMM-2019/45 : Author(s): 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
-
Incidental seal entanglements on trawl vessels fishing for krill in CCAMLR Subarea 48.3
Abstract: Observers on krill vessels fishing around South Georgia in the 2003 fishing season ... recorded fur seal captures by some krill fishing vessels. These captures can be attributed to the absence ... observers on krill vessels monitor the effectiveness of mitigation measures as well as to collect other ... entanglements on trawl vessels fishing for krill in CCAMLR Subarea 48.3 Approval: Approved ...
Meeting Document : WG-EMM-04/31 : Author(s): J. Hooper, K. Reid and D. Agnew (United Kingdom)
-
CPUE values derived from Soviet fishery statistics as indicators of Antarctic krill density fluctuations in 1977–1991
- 1991 are considered. It is assumed that these values adequately describe trends in krill density ... fluctuations. Rather high stability of the values investigated is revealed. It is proposed that krill density ... to the certain krill transport between subareas. Author(s): F.F. Litvinov, A.Z. Sundakov and G.N. Andrianov ... (Russia) Title: CPUE values derived from Soviet fishery statistics as indicators of Antarctic krill ...
Meeting Document : WG-EMM-04/39 : Author(s): F.F. Litvinov, A.Z. Sundakov and G.N. Andrianov (Russia)
-
Further development of a krill fishery simulation model
Abstract: The model of the krill fishery presented in 1993 (wg-Krill-93/14) refined and applied ... to both Japanese and Chilean krill fishing fleets in Subarea 48.1. A stochastic element is introduced ... % reduction in catches. Author(s): D.J. Agnew (Secretariat) Title: Further development of a krill fishery ... The model of the krill fishery presented in 1993 (wg-Krill-93/14) refined and applied to both ...
Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)
-
Net escapement of Antarctic krill in trawls
in 2012) entitled Net Escapement of Antarctic krill in Trawls (NEAT). The study will include a morphology ... based mathematical modeling (FISHSELECT) of different sex and maturity groups of Antarctic krill ... selective properties for krill in different trawls. Author(s): B.A. Krafft (Norway), L.A. Krag, B. Herrmann ... (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway) Title: Net escapement of Antarctic krill in trawls ...
Meeting Document : WG-EMM-12/24 : Author(s): B.A. Krafft (Norway), L.A. Krag, B. Herrmann (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway)
-
WILL KRILL FARE WELL UNDER SOUTHERN OCEAN ACIDIFICATION?
Abstract: Antarctic krill embryos and larvae were experimentally exposed to 380 (control), 1000 ... of krill. No significant effects were detected on embryonic development or larval behaviour at 1000 μatm ... water pCO2 could rise up to 1400 μatm in krill’s depth range under the IPCC IS92a scenario by the year ... -response relationship for krill developmental and later stages, in order to predict the possible fate ...
Meeting Document : WG-EMM-11/P6 : Author(s): S. Kawaguchi, H. Kurihara, R. King, L. Hale, T. Berli, J.P. Robinson, A. Ishida, M. Wakita, P. Virtue, S. Nicol and A. Ishimatsu
-
Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
Abstract: Understanding the demographics of Antarctic krill over large scales may be complicated ... –frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands and South ... is apparent that strong recruitment of the smallest size class of krill is represented in both populations ... simultaneously. It appears 19 that first-year krill are advected into different regions of the Scotia Sea where ...
Meeting Document : WG-EMM-02/16 : Author(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
-
A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea
Abstract: A Spatial Multi-species Operating Model (SMOM) of the underlying krill-predator-fishery ... of the precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ... the KPFM. The model includes all 15 SSMUs and uses an annual timestep to update the numbers of krill ... replicates to explore different hypotheses such as that related to the transport of krill. The SMOM developed ...
Meeting Document : WG-EMM-06/12 : Author(s): É. Plagányi and D. Butterworth (South Africa)
-
Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration ... absorption, and beam characteristics. Uncertainty in krill target strength (TS) was estimated using ... a distorted wave born approximation model of krill TS, fitted with measured distributions of animal lengths ... frequency measurements provided independent estimates of the krill biomass. The overall variance (1 1.33 ...
Meeting Document : WG-EMM-00/49 : Author(s): D.A. Demer (USA)
-
QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
Abstract: Ten years of recent finescale haul-by-haul krill data were used to characterize ... the behaviour of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed ... a generalised fishery model. Updates for some of the parameters for the krill fishery model suggested in late ... quality year-round data on all vessels participating in the krill fishery to assist in interpreting ...
Meeting Document : WG-EMM-09/P05 : Author(s): S. Kawaguchi and S.G. Candy