Science Behind the Principles

The infographic below displays a few statistics pulled from scientific research articles that support the each of the Seven Principles.
For more statistics surrounding the Seven Principles of Leave No Trace click here and for a comprehensive list of Leave No Trace related research click here.   
Research Cited
1. Cole, David N. 1989. Low-impact recreational practices for wilderness and backcountry. USDA Forest Service, General Technical Report INT-265.
2. Frid, A., Dill, L. M., 2002. Human caused disturbance stimuli as a form of predation risk. Conservation Ecology, 6(1):11.
3. Gerba, C.P. 1987. Transport and fate of viruses in soils; field studies. Human viruses in sediments, sludges, and soils. CRC Press Boca Raton, FL. 142-154
4. Marion, Jeffrey. (2014). Leave No Trace in the Outdoors. Mechanicsburg, PA: Stackpole Books.
5. Monz, Christopher, Joseph Roggenbuck, David Cole, Richard Brame, and Andrew Yoder. 2000. Wilderness party size regulations: implications for management and a decision-making framework. In: Cole, David., Stephen McCool, William Borrie, and Jennifer O’Loughlin, comps. Wilderness science in a time of change conference. Vol. 4: Wilderness visitors, experiences, and visitor management. USDA Forest Service Gen. Tech. Rep. RMRS-P-15-VOL-4:265-273.
6. Stewart, William P.; Cole, David N. 2001. Number of encounters and experience quality in Grand Canyon backcountry; consistently negative and weak relationships. Journal of Leisure Research 33(1): 106-120
7. USDA, 2014. Fire Prevention in Deschutes & Ochoco National Forests & Crooked River National Grassland Website. (