I like the signs. I'd take it further--if a protected tree dies it's investigated why. Anything other than a determination that it's definitely natural means

I like the signs. I'd take it further--if a protected tree dies it's investigated why. Anything other than a determination that it's definitely natural means the only thing that can be done with the land is trees. Nothing is taken from the property owner because they bought the land knowing the trees were there. If they planned illegal enrichment, too bad.