EFFECTS OF MOUNTAIN BIKING ON BULK DENSITY AND TERRAIN COVER. INTRODUCTION The sport of mountain biking originated around 1974 and the first production bike was commercially produced around 1984, the mountain bike was different from the previous cycles because of the construction of the frame, sturdier, wider tyres with improved knobbly grip and sealed bearing so dirt could not effect them. Managers of natural areas consider recreational impacts along trails and on campsites to be their most …showed first 75 words of 1139 total…

…showed last 75 words of 1139 total…surfaces on sloping sections of track, or at drainage points across the track. * Muddy stretches in water saturated sections of tracks, often including major soil structure disruption and widening of tracks. * Development of multiple parallel tracks where the main track is harder to traverse than the adjacent surfaces (e.g., too rocky, muddy, wet etc). * Development of informal tracks, including shortcuts on corners and switchbacks, and around focal sites such as huts, campsites and attractions".