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Ebooks on agriculture and the applied life sciences from CAB International
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Visitor use of Arches National Park has grown dramatically in the past few decades and now exceeds 1 million visits annually. But this use has had several important impacts in the park, including trampling of fragile soils and vegetation (Impacts to soil; Impacts to vegetation) and crowding on...
Visitors to Katmai National Park and Preserve have the opportunity to view brown bears at close range as they gather to feast on migrating salmon. But increasing demand for viewing opportunities, coupled with the large concentration of bears found in the area, has led to concerns about visitor...