The turnover rate of viruses in marine and freshwater systems can be estimated by a reduction and reoccurrence technique. The data allow researchers to infer rates of virus-mediated microbial mortality in aquatic systems.
Matteson, A. R., Budinoff, C. R., Campbell, C. E., Buchan, A., Wilhelm, S. W. Estimating Virus Production Rates in Aquatic Systems. J. Vis. Exp. (43), e2196, doi:10.3791/2196 (2010).