Gordon Leppig

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Marijuana (Cannabis sativa L.) cultivation has proliferated in northwestern California since at least the mid-1990s. The environmental impacts associated with marijuana cultivation appear substantial, yet have been difficult to quantify, in part because cultivation is clandestine and often occurs on private property. To evaluate the impacts of water(More)
Redwood forests are not traditionally known for a diverse vascular plant flora or a large number of sensitive plant taxa. Approximately 90 percent of redwood forests are privately owned and most are managed for timber production. Historically, information on sensitive plants in the redwoods has been scarce because few sensitive plant surveys were conducted(More)
There are errors in the equations in the In the Hydrologic Analyses: Estimating Impacts on Summer Low Flows subsection of the Methods. These errors do not affect the results presented in the paper. Please view the complete, correct equation here:
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