| selenium in aquatic biota inhabiting agricultural drains in the salton sea basin, california. | resource managers are concerned that water conservation practices in irrigated farmlands along the southern border of the salton sea, imperial county, california, could increase selenium concentrations in agricultural drainwater and harm the desert pupfish (cyprinodon macularius), a federally protected endangered species. as part of a broader attempt to address this concern, we conducted a 3-year investigation to collect baseline information on selenium concentrations in seven agricultural drain ... | 2012 | 21915593 |