Reservoir Water Quality Assessment Using in Situ Microcosms

by Richard H. French, Desert Research Inst, Las Vegas, NV, USA,
Richard J. Watts, Desert Research Inst, Las Vegas, NV, USA,
James J. Cooper, Desert Research Inst, Las Vegas, NV, USA,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


Although there are a number of techniques for determining the limiting nutrient, as will be demonstrated, in-reservoir microcosms permit in situ experiments to be conducted under relatively natural conditions on a conveniently small scale and produce additional data and information which can be used to design cost-effective restoration programs. With in situ microcosms the surrounding habitat is protected and the results, with care, can be extrapolated to the whole system. Further, the response of the phytoplankton communities in the microcosms occur quickly with changes in the species composition appearing within days. This paper discusses the technique in general and its application to studies of Lahontan Reservoir in Nevada.

Subject Headings: Water quality | Reservoirs | Water use | Quality control | Field tests | Water pollution | Permits | Financial management | Nevada | United States

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