Environmental Role of National Parks

Environmental Limits of Tall Shrubs in Alaska’s Arctic National Parks

We sampled shrub canopy volume (height times area) and environmental factors (soil wetness, soil depth of thaw, soil pH, mean July air temperature, and typical date of spring snow loss) on 471 plots across five National Park Service units in northern Alaska. Our goal was to determine the environments where tall shrubs thrive and use this information to predict the location of future shrub expan...

Public Participation and Environmental management in Mountain National Parks

Public involvement has become a key concept in conservation management worldwide. This paper provides an overview of the situation in four countries where national parks have been established for over a century, and where their creation often involved clearing the land of earlier indigenous settlements. Since the 1970s, public participation has become common practice in park management, even th...

The Role of Environmental Features of Parks in Activation of Recreational Activities in Leisure Time

Background. The recreational use of urban spaces has increased significantly in recent years, due to a trend towards healthier lifestyles in which regular exercise plays a leading role. Examples include walking, running or biking, activities for which large urban green parks provide excellent conditions. These parks, located within the city, are intended for public use and include landscape fea...

Exploitation of freshwater eels in National Parks

environmental evaluation: a methodology for the selection for national parks (introducing the methods of sumer gulez )

this method is based on assigning some weghing values for natural, cultural, and recreational resources of a site for national parks. numerical value are used to determine whether a particular area is suitable for the of national parks. delfi technique is also employed to reduce the subjectivity as well as, bias in site selection, criteria used in parts of the world for this p~ are the basis of...