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Hrudey, S., Burch, S., Burch, M., Drikas, M. and Greorgy, R. (1999) Remedial Measures. In: Chorus, I. and Bartram, J., Eds., Toxic Cyanobacteria in Water, A Guide to Their Public Health Consequences, Monitoring and Management, Routledge, London.

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• TITLE: Comparison of Water Resource Management Programs: An Algae Action Threshold Level Approach

  AUTHORS: West M. Bishop, Ben E. Willis

  KEYWORDS: Water Resource Management, Algal Bloom, Action Threshold, Phosphorus, Copper

  JOURNAL NAME: Open Journal of Applied Sciences, Vol.7 No.2, February 10, 2017

  ABSTRACT: Water resource management programs designed to control nuisance algal infestations have historically been dominated by reactive approaches. With increased regulatory scrutiny regarding algaecide use, data regarding efficacy of integrated management approaches are needed. This research outlines an efficient method of comparing management programs based upon exceeding designated algae action threshold levels (AATL) in pond systems. Phosphorus mitigating technologies were specifically evaluated as phosphorus had been indicated in supporting many nuisance algal types/densities. The objectives of this research were to evaluate pond management programs in terms of action thresholds exceeded, number of reactive algaecide treatments and algaecide amount required to maintain ponds below AATL. This research compared management programs consisting of: 1) Copper sulfate; 2) SeClear Algaecide and Water Quality Enhancer; and 3) Phoslock phosphorus binding technology plus SeClear (as needed). Water and algae samples were analyzed every two weeks over two growing seasons on replicated research ponds and compared with designated AATL parameters. If an AATL was exceeded, then a reactive algaecide treatment was implemented for the corresponding water body. Ponds managed by copper sulfate alone exceeded a greater amount of AATL and required a significantly greater (P