The influence of Weaver and Dale’s (1978) paper, 'Trampling effects of hikers, motorcycles and horses in meadows and forests'

Trampling of vegetation and soils by recreational activities is a recurrent concern in many lands where trail use is common. The degree of impact can vary with the myriad types of trail users. The Weaver and Dale article, “Trampling effects of hikers, motorcycles and horses in meadows and forests”, was the first to provide some insights about how different trampling agents might produce varied impacts. Weaver and Dale showed that horses and motorcycles produced greater impacts to soils and vegetation than hikers. This article appeared early in a relatively young field of study. The direct results of their research are still valuable today, but the greater impact of their paper was that it ushered in a phase of experimental trampling research that is ongoing. Because of their research and continual influence, land managers can now make better decisions about what type of recreation activity to discourage or encourage.