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Parks
Places or areas developed for public use or recreation. [USGS Circ 1048]
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Results 1 - 14 of 14 listed by similarity [list alphabetically]
PDF Acid Rain in Shenandoah National Park, Virginia [More info]
Explains acidity and acid rain and how it affects aquatic organisms. Describes the effect of acid rain on this national park, identifying areas that are at greater or lesser risk from acid rain.
PDF Anticipated effects of development on habitat fragmentation and movement of mammals into and out of the Schoodic District, Acadia National Park, Maine [More info]
Wildlife you see in a national park or other reserved area don't know about the park boundary. Bobcat, martens, mink, and moose need different types of living space and habitat. Development outside the park affects their ability to inhabit the park.
Geologic mapping in National Parks: National Park Service Support Project [More info]
Summaries of geologic projects in cooperation with the National Park Service including Grand Canyon National Park, Lake Mead National Recreation Area, Golden Gate National Recreation Area, Joshua Tree National Park, Yosemite National Park, and others.
PDF Geology of National Parks [More info]
Two sheets of 3D images showing geologic features of many National Parks. Red-and-cyan viewing glasses are need to see the three-dimensional effect.
Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River Corridor, District of Columbia, Maryland, West Virginia, and Virginia [More info]
Rocks representing a variety of tectonic and depositional environments outcrop along the canal and towpath and reveal the geologic history of the central Appalachian region from the Mesoproterozoic to Jurassic Period.
PDF Integrated geologic, geochemical, and geophysical studies of Big Bend National Park, Texas [More info]
Coordinated studies of the effect of historical mining for mercury, origin and composition of metals in groundwaters and surface waters, history of volcanic and intrusive activity, and the complex geological history of this area.
NPElement: A database of lichen elemental concentrations in the U.S. national parks [More info]
Database providing concentration of heavy metals, nutrients, and trace elements in 75 species of lichens sampled in 43 national park units in 24 states.
NPLichen: A database of lichens in the U.S. national parks [More info]
Web interface for a database of documented occurrences of lichens in units of the U. S. National Park System. The records were obtained from the scientific literature, from National Park Service reports, and from selected herbaria.
PDF Occurrence of Escherichia coli in the Cuyahoga River in the Cuyahoga Valley National Park, Ohio [More info]
Explains how this important indicator bacteria is used to detect problems in the water supply that may affect human health, focusing on a specific recreational area.
Interagency Grizzly Bear Study Team (IGBST) [More info]
Description of research program for immediate and long-term management of grizzly bears (Ursus arctos horribilis) inhabiting the Greater Yellowstone Ecosystem. Includes links to reports in PDF format and cooperating organizations.
Is science in danger of sanctifying the wolf? [More info]
What does it mean that beneficial trophic cascades (side effects) of wolf population restoration are questioned by recent research?
Natural and human drivers of biodiversity in the Greater Yellowstone ecosystem [More info]
This study reconstructs past interactions among ecosystem factors, native species, and human land use in the Greater Yellowstone ecosystem to provide a context for future management to sustain both ecological and human communities.
Post-fire burn assessment by remote sensing on Federal lands [More info]
Remote sensing and field sampling techniques to support national assessment of burned areas
USGS image collections [More info]
Homepage to access a large number of photograph collections on many subjects including national parks, ecosystems, plants and animals, and geologic features.
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