First, we need to note that an anthropocentric view (one who believes in Anthropocentrism) involves the view that only humans determine moral standing.
Thus, as regards the statement about forest usage by Gifford Pinchot, an anthropocentric view would debate that there should be sustainable use of the forest even though the majority can use this resources.
-ly is a common suffix... the dash before the letters means it’s a suffix and the dash after the letters means the letters are a prefix. I hope I answered what you are looking for. -Montana