For the following focal species and other parameters:

focalSP <- "Black Cherry"
# DBH cutoff in cm
canopy_cutoff <- 20
# Distance cutoff of dead stem
distCut <- 10
## Warning: 457 problems parsing 'BigWoods2015.csv'. See problems(...) for
## more details.

Geographic Distribution of Species

We plot all stems for all species (in decreasing order of prevalance) that existed in 2008 where the size of the point is proportional to the base area of the tree.