According to reports, now humans are being tracked in order to learn effect of visitors' movements on the ecosystem.

Volunteers in Rocky Mountain National Park and Yosemite National Park will be given GPS. According to researchers, the data collected will also assist Grand Teton National Park in making decisions on park upgrades such as whether parking areas, restrooms and a multipurpose trail should be added along the way.

According to spokeswoman Jackie Skaggs, it will help know more about the expectations, the motivations and then the ultimate experiences of people.

It has been shown in two years of research that between one-third and half of the visitors who used an eight-mile section of Moose-Wilson Road in Grand Teton never left their cars or road bikes and were just moving across the area. Others stopped to hike trails, ride bikes or visit an interpretive center along the route.

In the past eight years or so, traffic along the road has increased 25%. According to the researchers, participation in the tracking studies is voluntary, and many people are happily helping. As per reports, people who were asked to carry a GPS receiver in Grand Teton in 2013 and 2014, between 80% and 90% of them agreed to take part. Almost everyone returned the devices after leaving the study area.

According to Peter Newman, a professor in Penn State's College of Health and Human Development who specializes in recreation, park and tourism management, "People love their parks. They love to answer questions and know that their voice is being heard in some way".