See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/273635268 ... Article · January 2010 CITATIONS 0 READS 11 7 authors, including: Alexander Zavolokin Pacific Scientific Research Fisheries Center 45 PUBLICATIONS 78 CITATIONS SEE PROFILE I. V. Volvenko Pacific Scientific Research Fisheries Center 169 PUBLICATIONS 188 CITATIONS SEE PROFILE All content following this page was uploaded by I. V. Volvenko on 17 March 2015. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.