Stumbled across this article about the projected revenue that forests are to take in yearly in New Zealand and the sources of the revenue. Surprised that logging was in third place with walking and mt biking ahead of it.
http://www.stuff.co.nz/waikato-times/business/6010038/Study-finds-price-of-free-access
http://www.stuff.co.nz/waikato-times/business/6010038/Study-finds-price-of-free-access