Design and feasibility of wash-down stations for boating equipment entering the Rotorua Lakes Research Completed
Title
Design and feasibility of wash-down stations for boating equipment entering the Rotorua Lakes
Lead Author
Miller, M., Richardson, P., Collins, E. & Young, K.
Organisation(s)
Department of Conservation
Publication Year
2006
Publisher
Department of Conservation
Contacts
Abstract
Biological diversity in the Rotorua Lakes, New Zealand, is under threat from aquatic pests, in particular pest fish species and various lake weeds. This report considers possible solutions to both out-of-district contamination and cross-contamination of the Rotorua Lakes. A network comprising ten decontamination facilities is proposed, with facilities located on public land: specifically, land managed by the Department of Conservation and road reserves. A number of decontamination methods are considered. The two methods that are recommended for further investigation are high-pressure, multi-nozzle water blasting, and a combination of dipping and ultrasonic irradiation. Incentives to use the decontamination facilities and construction and operational costs are considered. As a case study, a facility located at the southern entrance to Rotorua is considered. Possible costs to establish this case-study facility are also provided. It is proposed that a single case-study facility be established initially, and monitored for operational and strategic success.
Keywords:
Rotorua, Lake, Pest, Biosecurity, Marine, Boat
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Added
July 11, 2012