The National Park Service is not just focused on helping people enjoy the outdoors, but also on conserving wild places.
Articles on Aspen trees
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Research finds that extensive feeding by invasive insects can cause trees to produce defense compounds, to the detriment of valued native insects.
Herders carved names, slogans, nude silhouettes and more into the trees around them during lonely seasons in the mountains. Now, researchers rush to find and record the arborglyphs before they disappear.
Top contributors
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Librarian and Head of the Jon Bilbao Basque Library, University of Nevada, Reno
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Professor of History, Boise State University
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Professor and Head of Special Collections and Archives for Albertsons Library, Boise State University
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Professor of Agronomy and CONICET Scientist, Universidad de Buenos Aires
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Vilas Distinguished Achievement & Sorenson Professor Emeritus, University of Wisconsin-Madison
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Associate Professor of Recreation and Sport Management, Coastal Carolina University
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Principal Lecturer of Recreation and Sport Management, Coastal Carolina University