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水産に於ける準エルゴード性と漁獲変動解析への応用例 Semi-Ergode in the Fishery and its Application to the Analysis of Fluctuations in the Catch 黒木, 敏郎 KUROKI, Toshiro open access From the view-point of semi-Ergode, the author tried to explain the reason being apt to suppose that almost of all phenomena in the fishery are repeated at annual periods. When every conditions of environment have the periods of about 12 months under the allowable deviations of 2 months, it will be happened very often that the periods of phenomena in fishery are 3 years as the other than periods of 1 year. In this paper, the author applied this idea to analyzing of the stock of scomber in the Japanese Sea, and devided it to four groups and estimated its periodical variations. 鹿児島大学 Kagoshima University 1956-01-30 jpn departmental bulletin paper VoR http://hdl.handle.net/10232/10698 https://ir.kagoshima-u.ac.jp/records/4510 0453087X AN00040498 鹿児島大学水産学部紀要 Memoirs of Faculty of Fisheries Kagoshima University 4 55 60 https://ir.kagoshima-u.ac.jp/record/4510/files/無題9.pdf application/pdf 626.2 kB 2016-10-27 1956-01-30