I believe mountain biking is the greatest single threat to wildlife habitat integrity and new wilderness classifications.
https://www.counterpunch.org/2019/06...en-wilderness/
Also...
This is a short email that Brian Horejsi sent me on mountain biking and bears. It is a thoughtful review of how mountain biking can have substantial impacts on wildlife.
http://www.thewildlifenews.com/2014/...brian-horesji/
Last edited by tungsten; 03-03-21 at 01:34 AM.