To analyze changes in the Tanada Lake Trail network during the last half-century, we mapped the trail course from 1 m resolution aerial photography acquired during the summers of 1957 , 1981 and 2004 and compared these images to points mapped on the ground in 2009 (Fig. 4).
Network analysis was performed in GIS to determine the accessibility of the BNP trail network for different age groups.
"But with the more powerful engines, they're operating much faster, and they just sort of dominate the trail network.
The most extensive trail network within two hours of the city is further north, in the Shawangunk Mountains.
All this can be enjoyed by walkers taking advantage of the area's extensive trail network and well-distributed mountain huts.
Mr. Grannis said that some environmental groups have already expressed opposition to the expanded trail network, but that the project would benefit the five rural towns.
Fresh buffalo and eland tracks crisscrossed our path through one of the most wild and remote sections of the mountain's trail network.
Yet no matter how much technology is involved in planning a ski trail network, the actual construction of the trails remains a low-tech enterprise.
One is Colorado's Copper Mountain, which after a two-year trial period opened its entire trail network to bikers this season.
Here we examine an ungulate trail network in north-central Utah created and maintained by the repeated movements of mule deer (Odocoileus hemionus) and elk (Cervus elaphus).
Through the efforts of organized walking associations, recreational walkers have established a sizeable trail network of their own in cities and rural areas.
