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Articles 1 - 27 of 27
Full-Text Articles in Life Sciences
Nitrogen Cycling Responses To Mountain Pine Beetle Disturbance In A High Elevation Whitebark Pine Ecosystem, Megan P. Keville, Sasha C. Reed, Cory C. Cleveland
Nitrogen Cycling Responses To Mountain Pine Beetle Disturbance In A High Elevation Whitebark Pine Ecosystem, Megan P. Keville, Sasha C. Reed, Cory C. Cleveland
Ecosystem and Conservation Sciences Faculty Publications
Ecological disturbances can significantly affect biogeochemical cycles in terrestrial ecosystems, but the biogeochemical consequences of the extensive mountain pine beetle outbreak in high elevation whitebark pine (WbP) (Pinus albicaulis) ecosystems of western North America have not been previously investigated. Mountain pine beetle attack has driven widespread WbP mortality, which could drive shifts in both the pools and fluxes of nitrogen (N) within these ecosystems. Because N availability can limit forest regrowth, understanding how beetle-induced mortality affects N cycling in WbP stands may be critical to understanding the trajectory of ecosystem recovery. Thus, we measured above- and belowground N …
Slides: Threats To Biological Diversity: Global, Continental, Local, J. Michael Scott
Slides: Threats To Biological Diversity: Global, Continental, Local, J. Michael Scott
Shifting Baselines and New Meridians: Water, Resources, Landscapes, and the Transformation of the American West (Summer Conference, June 4-6)
Presenter: J. Michael Scott, U.S. Geological Survey, Idaho Cooperative Fish and Wildlife Research Unit, University of Idaho
38 slides
Past, Present, And Future Old Growth In Frequent-Fire Conifer Forests Of The Western United States, Scott R. Abella, W. Wallace Covington, Peter Z. Fule, Leigh B. Lentile, Andrew J. Sanchez Meador, Penelope Morgan
Past, Present, And Future Old Growth In Frequent-Fire Conifer Forests Of The Western United States, Scott R. Abella, W. Wallace Covington, Peter Z. Fule, Leigh B. Lentile, Andrew J. Sanchez Meador, Penelope Morgan
Public Policy and Leadership Faculty Publications
Old growth in the frequent-fire conifer forests of the western United States, such as those containing ponderosa pine (Pinus ponderosa), Jeffrey pine (P. jeffreyi), giant sequoia (Sequioa giganteum) and other species, has undergone major changes since Euro-American settlement. Understanding past changes and anticipating future changes under different potential management scenarios are fundamental to developing ecologically based fuel reduction or ecological restoration treatments. Some of the many changes that have occurred in these forests include shifts from historically frequent surface fire to no fire or to stand-replacing fire regimes, increases in tree density, increased abundance of fire-intolerant trees, decreases in understory …
Standard-Level Herbivory In An Old-Growth Conifer Forest Canopy, David C. Shaw, Kristina A. Ernest, H. Bruce Rinker, Margaret D. Lowman
Standard-Level Herbivory In An Old-Growth Conifer Forest Canopy, David C. Shaw, Kristina A. Ernest, H. Bruce Rinker, Margaret D. Lowman
All Faculty Scholarship for the College of the Sciences
Herbivory is an important ecological process in forest canopies but is difficult to measure, especially for whole stands. We used the Wind River Canopy Crane in Washington State to access 101 randomly-located sample points throughout the forest canopy. This provided a relatively quick and convenient way to estimate herbivory for a whole stand. The overall level of herbivory was estimated at 1.6% of leaf area. The distribution was strongly skewed to the lower canopy where broad-leafed species experienced higher levels of herbivory. Herbivory averaged 0.3% in conifers and 13.5% in broad-leafed species. Fully half of the sample points had no …
Fuel Loading Prediction Models Developed From Aerial Photographs Of The Sangre De Cristo And Jemez Mountains Of New Mexico, Usa, Kelly Scott, Brian P. Oswald, Kenneth W. Farrish, Daniel Unger
Fuel Loading Prediction Models Developed From Aerial Photographs Of The Sangre De Cristo And Jemez Mountains Of New Mexico, Usa, Kelly Scott, Brian P. Oswald, Kenneth W. Farrish, Daniel Unger
Faculty Publications
Fuel load prediction equations that made use of aerial photographs were developed for Mixed Conifer, Ponderosa Pine (Pinus ponderosa Dougl. ex Laws.) and Pinyon-Juniper (Pinus edulis Engelm.)-(Juniperusmonosperma Engelm.) cover types from one-time measurements made in the Santa Fe watershed (SFWS) located in the Sangre de Cristo Mountains of northern New Mexico, and at Los Alamos National Laboratory (LANL) located in the Jemez Mountains of northern New Mexico. The results of the watershed data set were favorable and exhibited a high degree of relative accuracy. The results from the LANL data set did not share the same degree of accuracy, …
Nf98-362 Chemical Weed Control In Tree Planting Projects: Part I - Pre-Emergence Herbicides, John Duplissis
Nf98-362 Chemical Weed Control In Tree Planting Projects: Part I - Pre-Emergence Herbicides, John Duplissis
University of Nebraska-Lincoln Extension: Historical Materials
This NebFact examines weed control in tree planting projects.
Nf98-363 Chemical Weed Control In Tree Planting Projects: Part Ii - Post-Emergence Herbicides, John Duplissis
Nf98-363 Chemical Weed Control In Tree Planting Projects: Part Ii - Post-Emergence Herbicides, John Duplissis
University of Nebraska-Lincoln Extension: Historical Materials
This NebFact examines weed control in tree planting projects.
Buy The Dog, Not The Puppy When Shopping For Conifers, Dennis Hinkamp
Buy The Dog, Not The Puppy When Shopping For Conifers, Dennis Hinkamp
All Archived Publications
No abstract provided.
Ec96-1768 Windbreak Management, James R. Brandle, Craig Stange
Ec96-1768 Windbreak Management, James R. Brandle, Craig Stange
University of Nebraska-Lincoln Extension: Historical Materials
The windbreaks on your farm are an important part of the agricultural landscape. They provide protection for the farmstead, livestock, and crops; provide habitat for wildlife; and contribute to an overall healthy environment for you and your family. They are living systems with youth, maturity, and old age. Like any other living thing they need proper care and management in order to continue to function at their best.
Windbreak management requires an understanding of how your windbreak works. Your goal is to maintain the health and vigor of individual trees and shrubs while maintaining the overall structure of the windbreak …
Ec94-1766 Windbreaks For Livestock Operations, James R. Brandle, Vernon Quam, Ladon Johnson, Bruce Wight
Ec94-1766 Windbreaks For Livestock Operations, James R. Brandle, Vernon Quam, Ladon Johnson, Bruce Wight
University of Nebraska-Lincoln Extension: Historical Materials
Windbreaks play an important role in the protection of livestock, particularly in young animals and in areas with cold northerly winds during the winter and early spring. Properly placed windbreaks can provide benefits to feedlots, livestock pastures, and calving areas. Reducing wind speed in winter lowers animal stress, improves animal health, and increases feeding efficiency. Livestock windbreaks provide significant amounts of wildlife habitat, protect the working environment in and around the livestock area, and screen noise and odors associated with livestock operations.
Specific needs of animals dictate that special attention be given to access, snow storage, and drainage when planning …
Ec91-1764 Windbreak Establishment, James R. Brandle, Patricia Boehner, Sherman Finch
Ec91-1764 Windbreak Establishment, James R. Brandle, Patricia Boehner, Sherman Finch
University of Nebraska-Lincoln Extension: Historical Materials
successful windbreak planting depends on proper establishment and care during the first few years after planting. Time spent in site preparation, weed control, and replanting is repaid many times during the lifetime of the windbreak. Take no shortcuts in the planning and establishment of your windbreak.
Windbreaks are investments in the future value of your property. Each windbreak system is unique and your windbreak should be designed for your site and objectives. Your local conservation office can provide help in designing and installing your windbreak. These organizations can also help with recommendations on where to buy planting stock and how …
Ec91-1771 Windbreaks And Wildlife, Ron J. Johnson, James R. Brandle, Mary M. Beck
Ec91-1771 Windbreaks And Wildlife, Ron J. Johnson, James R. Brandle, Mary M. Beck
University of Nebraska-Lincoln Extension: Historical Materials
Windbreaks can support wildlife that add beauty and pleasure to our lives. They also sustain birds that eat insect pests, improve hunting opportunities, and provide a focal point for family outdoor activities. The world around us would be less appealing without the stimulation--the color, sounds, tracks, and mystery--of wild creatures; windbreaks help wildlife and in some areas are essential to survival of the wildlife we enjoy. You can add wildlife benefits to windbreak plantings whether your main goal is to shelter crops, livestock, roads, or a home or farmstead. This publication provides an overview of windbreaks and wildlife, and gives …
Mixed Conifer And Aspen Regeneration In Small Clearcuts Within A Partially Harvested Arizona Mixed Conifer Forest, P.F. Ffolliott, G.J. Gottfried
Mixed Conifer And Aspen Regeneration In Small Clearcuts Within A Partially Harvested Arizona Mixed Conifer Forest, P.F. Ffolliott, G.J. Gottfried
Aspen Bibliography
Southwestern mixed conifer forests are found on high-elevation sites, generally above 8,000 feet, throughout Arizona, New Mexico, and southwestern Colorado.
G88-881 Heating With Wood I. Species Characteristics And Volumes, Mike Kuhns, Tom Schmidt
G88-881 Heating With Wood I. Species Characteristics And Volumes, Mike Kuhns, Tom Schmidt
University of Nebraska-Lincoln Extension: Historical Materials
Heat content, burning characteristics and overall quality of woods commonly burned in Nebraska, as well as information on buying firewood, are included here.
Wood is a source of heat currently used by many Nebraskans, and more firewood likely will be burned as the cost of other energy sources, such as gas and electricity, rises. In order to use firewood effectively, an understanding of species' characteristics and firewood volumes is needed.
Tall Shrub Dynamics In Northern Minnesota Aspen And Conifer Forests, J.C. Balogh, D.F. Grigal
Tall Shrub Dynamics In Northern Minnesota Aspen And Conifer Forests, J.C. Balogh, D.F. Grigal
Aspen Bibliography
Tall shrubs are a dynamic component of upland forests in the Lake States (Balogh 1983, Dunn 1986, Ohmann and Ream 1971). They are an integral part of forest element cycles, competitors with overstory for growth and reproduction, essential to post-harvest site stabilization, and a source of wildlife cover and browse (Comerford and White 1977, Dunn 1986, Robinette 1972, Tappeiner 1971).
Streamline Herbicide Release Of Red Pine (Pinus Resinosa), L.S. Brooks, B.S. Jones
Streamline Herbicide Release Of Red Pine (Pinus Resinosa), L.S. Brooks, B.S. Jones
Aspen Bibliography
Conifer management in the lake States requires the land manager have a diverse set of tools to accomplish the task of plantation establishment and survival. Methods are almost as variable as the soils of the region, which as remnants of ancient seas, volcanos and more recent glaciers. Terrain, soil profile, drainage, aspect and climate are some of the basic factors contributing to the diversity of sites and management regimes practices in the region. Herbicides are an important part of successful conifer management regimes. Approximately 70M forested acres are treated annually in MN, WI and the Upper Peninsula of MI.
A Management Plan For The Conifer Plantations At St. John's, Collegeville, Minnesota, Paul Schwietz Osb
A Management Plan For The Conifer Plantations At St. John's, Collegeville, Minnesota, Paul Schwietz Osb
Saint John’s Abbey Publications
This paper describes and analyzes the 120 acres of conifer plantations at St. John's Abbey, defines the objectives of management and proposes a 10 year plan for the maintenance and improvement of the plantations. This management plan emphasizes the non-profit corporation's sense of stewardship with multiple use goals. The protection of natural resources is assumed. Aesthetic and recreational values are high priorities, yet educational uses, wildlife protection and timber production are also important considerations. The plan also assumes that forest management at Saint John's will be self-sustaining. Thus the revenue derived from harvesting and thinning will be used to support …
Using Glyphosate Herbicide In Converting Aspen To Conifers, Donald A. Perala
Using Glyphosate Herbicide In Converting Aspen To Conifers, Donald A. Perala
Aspen Bibliography
No abstract provided.
Nurse Crop In Aspen: Ecology And Management In The Western United States, W.D. Shepperd, J.R. Jones
Nurse Crop In Aspen: Ecology And Management In The Western United States, W.D. Shepperd, J.R. Jones
Aspen Bibliography
No abstract provided.
Ec82-1738 Tree Planting Guide, William R. Lovett, Bruce E. Bolander
Ec82-1738 Tree Planting Guide, William R. Lovett, Bruce E. Bolander
University of Nebraska-Lincoln Extension: Historical Materials
Site Preparation
Proper site preparation is essential to your tree planting operation, and varies with the different climates and soil types.
Chemical Control: On sandy soils, rough terrain, or other highly erodible sites, tillage is not recommended. Chemical weed and/or grass killers may be applied to the site in the fall or before planting in the spring.
Summer Fallow: This practice is recommended on heavy soil in western Nebraska to conserve soil moisture. This may be accomplished with the aid of occasional disking, subsurface tillage, or chemicals to control weeds.
Fall Tillage: In the eastern areas of the state fall …
Response Of Suppressed Conifer Seedlings To Release From An Aspen-Pine Overstorey, A.B. Berry
Response Of Suppressed Conifer Seedlings To Release From An Aspen-Pine Overstorey, A.B. Berry
Aspen Bibliography
No abstract provided.
Five-Year Growth And Development In A Virgin Arizona Mixed Conifer Stand, G.J. Gottfried
Five-Year Growth And Development In A Virgin Arizona Mixed Conifer Stand, G.J. Gottfried
Aspen Bibliography
No abstract provided.
Four White Pine Introductions From The University Of Connecticut, Sidney Waxman
Four White Pine Introductions From The University Of Connecticut, Sidney Waxman
Storrs Agricultural Experiment Station
No abstract provided.
G77-380 Growing Conifers From Seed, Constance A. Harrington
G77-380 Growing Conifers From Seed, Constance A. Harrington
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide discusses how to grow conifers from seed, including technical terms, collecting and storing seed, and planting and care of the trees.
Growing your own conifer trees from seed is fun and gives you the satisfaction of doing it yourself. The pioneers had to be self-reliant. Many of the old trees in Nebraska were started from seeds the pioneers brought with them or ordered from nurseries in the east or Europe. We are fortunate in having nurseries available to supply a wide variety of planting stock. However, many people are still interested in growing their own seedlings. You may …
Estimating Water Yield Differences Between Hardwood And Pine Forests: An Application Of Net Precipitation Data, Elon S. Verry
Estimating Water Yield Differences Between Hardwood And Pine Forests: An Application Of Net Precipitation Data, Elon S. Verry
Aspen Bibliography
No abstract provided.
Phenotypic Variation Of Trembling Aspen In Western North America, B.V. Barnes
Phenotypic Variation Of Trembling Aspen In Western North America, B.V. Barnes
Aspen Bibliography
No abstract provided.
Selective Cutting To Release White Spruce In 75- To 100-Year-Old White Spruce-Trembling Aspen Stands, Saskatchewan, G.A. Steneker
Selective Cutting To Release White Spruce In 75- To 100-Year-Old White Spruce-Trembling Aspen Stands, Saskatchewan, G.A. Steneker
Aspen Bibliography
No abstract provided.