نتایج جستجو برای: national parks
تعداد نتایج: 399103 فیلتر نتایج به سال:
City parks, important environments built for physical activity, play critical roles in preventing chronic diseases and promoting public health. We used five commonly used park indicators to investigate the spatiotemporal trend of city parks in mainland China between 1981 and 2014 at three scales: national, provincial and city class. City parks in China increased significantly with a turning poi...
EDWARD A. MEYER, HARRY B. HINES, CONRAD J. HOSKIN & KEITH R. McDONALD School of Biological Sciences, University of Queensland, St Lucia, Queensland 4072, Australia Queensland Parks and Wildlife Service, Department of National Parks, Recreation, Sport and Racing, Moggill, Queensland 4070, Australia School of Marine & Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia...
Parks promoting physical activity: synthesis of findings from interventions in seven national parks.
BACKGROUND We synthesized the results of 7 National Park Service pilot interventions designed to increase awareness of the health benefits from participation in recreation at national parks and to increase physical activity by park visitors. METHODS A content analysis was conducted of the final evaluation reports of the 7 participating parks. Pooled data were also analyzed from a standardized...
Tony L. Schmitz, Angela Davies, Chris J. Evans National Institute of Standards and Technology, Gaithersburg, MD 20899 Robert E. Parks Optical Perspectives Group, LLC, Tucson, AZ
Overabundant populations of ungulates have caused environmental degradation and loss of biological diversity in ecosystems throughout the world. Culling or regulated harvest is often used to control overabundant species. These methods are difficult to implement in national parks, other types of conservation reserves, or in residential areas where public hunting may be forbidden by policy. As a ...
Climate change will affect not only natural and cultural resources within protected areas but also tourism and visitation patterns. The U.S. National Park Service systematically collects data regarding its 270+ million annual recreation visits, and therefore provides an opportunity to examine how human visitation may respond to climate change from the tropics to the polar regions. To assess the...
Executive Summary One thousand telephone interviews were conducted in the six western Washington counties of Clallam, King, Kitsap, Pierce, Snohomish, and Thurston. Two research questions addressed in the telephone survey included: 1) the amount of spatial and temporal displacement due to crowding at Mount Rainier and Olympic national parks; and 2) the differences between displaced and non-disp...
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