Agencies in Nevada and California are looking to update management policies of state parks and trails, changes that could eventually increase riding terrain for Tahoe’s mountain bikers. The current management strategies are dated and were developed during the sport’s infancy, Tahoe Area Mountain Biking Association Trails Director Ben Fish said. The International Mountain Biking Association reported nearly 40 million rode bikes in the U.S. this year, yet the management plans in the basin haven’t evolved with those recreational trends. “We’re dealing with these recreation plans that are 20 years old and don’t take into account new forms of recreation. The …