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Volume 2, Pages 885-891
Short Communication

Sediment Remediation for Ecosystem in Eutrophic Lakes

1Chiba Institute of Technology, 2-17-1 Tudanuma, Narashino-shi, Chiba 275-8588, Japan
2Nihon University, Kanda Surugadai, Chiyoda-ku, Tokyo 101-8301, Japan

Received 22 August 2001; Revised 14 January 2002; Accepted 4 February 2002

Copyright © 2002 Y. Amano et al.


The remediation method — namely, a hybrid system combined with DAF and CRM — is studied in this paper for the size reduction of aqua-ecological circulation and for the elution control in lakes. Results show that two effects on water quality purification, the sediment washout effect and the elution control effect, can be induced by this system, and the biota inhabiting the lake is therefore shifted into an oligotrophic aspect, from blue algae to green algae and/or diatoms.