Fig 1.
Study area showing modeling extent and five ecoregional subdivisions used for MaxEnt modeling of trespass cannabis grow sites, and subareas subject to ground-truthing.
Table 1.
Candidate environmental variables evaluated for use in the MaxEnt cannabis grow-site distribution model at 90m resolution.
Fig 2.
Modeled cannabis cultivation likelihood using MaxEnt and locality data from 2008–2014.
Fig 3.
Proportion of modeled moderate-high cannabis cultivation likelihood summarized within HUC12 subwatersheds in the modeling extent.
Table 2.
Contribution and importance of each predictor variable for the final model estimating relative likelihood of trespass cannabis cultivation in forested areas of California and southern Oregon 2008–2014.
Fig 4.
Univariate response curves for all predictor variables selected for the final model of trespass cannabis cultivation site likelihood in the modeling extent.
Fig 5.
Overlap of moderate to high trespass cannabis cultivation site likelihood (red) with modeled habitat for Pacific fisher (left), northern spotted owl (center) and Humboldt marten (right).