http://www.ohio.com/news/mountain-biking-water-trail-for-paddlers-are-elements-of-final-trail-plan-in-cuyahoga-valley-1.394590

This is very good news. Park rangers and wildlife experts know that
mountain biking builds the constituency for parks and it has been proven
that mountain biking has no more impact than hiking, and far less impact
than equestrian use. See
http://www.americantrails.org/resources/ManageMaintain/WKeenImpacts.html
for details.