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Keyword: fire

The Forest Service, Rocky Mountain Research Station's Southwestern Borderlands Ecosystem Management Project: building on 10 years of success

Publications Posted on: June 09, 2006
The USDA Forest Service’s Southwestern Borderlands Ecosystem Management Project mission is to contribute to the scientific basis for developing and implementing a comprehensive ecosystem management plan to restore natural processes, improve the productivity and biological diversity of grasslands and woodlands, and sustain an open landscape with a viable rural economy and social structure in the borderlands of southeastern Arizona and southwest

Landscape-level impacts of livestock on the diversity of a desert grassland: preliminary results from long-term experimental studies

Publications Posted on: June 09, 2006
This work is undertaken as a portion of long-term large-scale studies developed to determine how climate and disturbance (primarily fire and grazing) interact to structure desert grasslands. The results presented here are the initial grazing portions of the study.

Fire ecology and management in grasslands of the American Southwest (Ecologia a de fuego y manejo de pastizales en el Sudoeste Norteamericano)

Publications Posted on: May 15, 2006
Many ecologists have indicated that fire is as important as wind or precipitation in shaping North American ecosystems. There is little question that fire is prevalent in grasslands and that it contributes to the structure and function of such systems in the Southwest. In this paper I outline pre-settlement fire regimes, then describe post-settlement regimes and vegetation response to fire.

Holocene rain-forest wilderness: a neotropical perspective on humans as an exotic, invasive species

Publications Posted on: March 08, 2006
Large areas of lowland tropical rain-forests in the neotropics have been burned over the past 6,000 years, mostly by pre-Colombian agriculturists.

Effects of the Suwannee River sill on the hydrology of the Okefenokee Swamp: application of research results in the environmental assessment process

Publications Posted on: March 07, 2006
The Okefenokee Swamp is a 200,000 ha palustrine, freshwater wetland in the southeastern United States managed as a National Wildlife Refuge and a National Wilderness Area. Wildfires frequently occur, modifying vegetation structure and creating the swamp landscape mosaic.

The importance of wilderness to whitebark pine research and management

Publications Posted on: March 07, 2006
Whitebark pine is a keystone species in upper subalpine forests of the northern Rocky Mountains, Cascades, and Sierra Nevada that has been declining because of recent mountain pine beetle and exotic blister rust epidemics, coupled with advancing succession resulting from fire exclusion.

Studies in the wilderness areas of the Kenai National Wildlife Refuge: fire, bark beetles, human development, and climate change

Publications Posted on: March 07, 2006
Wilderness areas comprise 65% of the 1.92 million acre Kenai National Wildlife Refuge, Alaska. Fire history studies indicate that fire frequency increased substantially in both white and black spruce forests after European settlement. Dendrochronolgy studies indicate that regional-scale spruce bark beetle outbreaks occurred in the 1820s, 1880s, and 1970s.

The federal wildland policy: opportunities for wilderness fire management

Publications Posted on: February 27, 2006
The Federal Wildland Fire Management Policy and Program Review represents the latest stage in the evolution of wildland fire management. This policy directs changes that consolidate past fire management practices into a single direction to achieve multidimensional objectives and creates increased opportunities for wilderness fire management.

Twentieth-century fire patterns in the Selway-Bitterroot Wilderness Area, Idaho/Montana, and the Gila/Aldo Leopold Wilderness Complex, New Mexico

Publications Posted on: February 27, 2006
Twentieth century fire patterns were analyzed for two large, disparate wilderness areas in the Rocky Mountains. Spatial and temporal patterns of fires were represented as GIS-based digital fire atlases compiled from archival Forest Service data. We find that spatial and temporal fire patterns are related to landscape features and changes in land use.

The challenge of restoring natural fire to wilderness

Publications Posted on: February 27, 2006
Despite clear legislative and policy direction to preserve natural conditions in wilderness, the maintenance of fire as a natural process has proven to be a significant challenge to federal land managers.