2 edition of effects of compaction on hydrologic properties of forest soils in the Sierra Nevada found in the catalog.
effects of compaction on hydrologic properties of forest soils in the Sierra Nevada
Peter Herman Louis Cafferata
Written in English
|Statement||by Peter Herman Louis Cafferata.|
|The Physical Object|
|Pagination||141 leaves, bound :|
|Number of Pages||141|
Hire the Best Soil Testing Services in Las Vegas, NV on HomeAdvisor. Compare Homeowner Reviews from Top Las Vegas Soil Engineer services. Get Quotes & Book Instantly. sheetflow hydrologic regime is critical to the long-term stability of Sierra Nevada wet meadows. cells without disturbing the test soil and prevented direct hydrologic and compression interaction were significant organic matter addition treatment effects on soil compaction and soil collapse. 30 75 50 15 0 5 50 0 5 75 30 5 15 0 75 50 Oct 07, · Wildfires Affect Water Resources Long After the Smoke Clears. Wildfires affect watersheds in myriad ways, from reducing evapotranspiration to changing soil repellencies, but new research suggests.
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The Effects of Compaction on Hydrologic Properties of Forest Soils in the Sierra Nevada. This study evaluated the effects of a crawler tractor, a rubber tired skidder, and a torsion suspension vehicle on several soil and hydrologic properties in the western Sierra Nevada Mountains of California.
Infiltration capacities were determined with a small, portable rainfall simulator. Soil core samples were taken to observe porosity and conductivity levels before and after disturbance.
Compaction, or the change in bulk density, was significantly greater on the crawler tractor trails at all nightcapcabaret.com by: 4. Graduation date: Presentation date: This study evaluated the effects of a crawler tractor, a rubber-tired skidder, and a torsion suspension vehicle on several soil and hydrologic properties in the western Sierra Nevada Mountains of California.
Cafferata, P.H.L. The Effects of Compaction on the Hydrologic Properties of Forest Soils in the Sierra Nevada. USDA Forest Service. Pacific Southwest Region. Watershed Management Staff. Earth Resources Monograph 7.
Cafferata, Peter H. The Effects of Compaction on the Hydrologic Properties of Forest Soils in the Sierra Nevada. California Region: The effects of compaction on the hydrologic properties of forest soils in the Sierra Nevada / ([Berkeley, Calif.]: Forest Service, USDA, Region 5, ), also by Peter H.
Cafferata (page images at HathiTrust). The effects of compaction on the hydrologic properties of forest soils in the Sierra Nevada / ([Berkeley, Calif.]: Forest Service, USDA, Region 5, ), by Peter H. Cafferata and United States. Forest Service. California Region (page images at HathiTrust).
We evaluated fuel treatment effects on soil compaction in a managed Sierra Nevada mixed-conifer forest using a fully replicated study design with three treatments: Thin, Thin + Burn, and an. Jan 09, · Soil compaction did not reduce tree growth universally in these 3- to 8-yr-old plantations.
Effects were detrimental, insignificant, and beneficial for clayey, loamy, and sandy loam soils, respectively. Results show that compaction effects depend strongly on soil texture and soil water regime.
This study evaluated the effects of a crawler tractor, a rubber tired skidder, and a torsion suspension vehicle on several soil and hydrologic properties in the western Sierra Nevada Mountains.
The use of machinery on the forest site, however, can significantly alter some important soil properties and produce both onsite and offsite impacts on forest and related resources.
Soil compaction is one commonly observed consequence of the use of machinery on forest sites. The Value of Forest Soil Productivity. Sustainable Soil Productivity. Soil productivity is defined as the capacity of soil, in its normal environment, to support plant growth.
Soil productivity is reflected in the growth of forest vegetation or the volume of organic matter produced on a site. Mar 14, · Murphy JD, Johnson DW, Miller WW, Walker RF, Blank RR (a) Prescribed fire effects on forest floor and soil nutrients in a Sierra Nevada ecosystem.
Soil Sci – CrossRef Google Scholar Murphy JD, Johnson DW, Miller WW, Walker RF, Carroll EM, Blank RR (b) Wildfire effects on soil nutrients and leaching in a Tahoe Basin nightcapcabaret.com by: pretation.
A theses "The Effects of Compaction on Hydrologic Properties of Forest Soils in the Sierra Nevada" by Peter Cafferata, available from Oregon State University, provides additional details of this study. For those who wish additional details, please consult these documents.
STUDY OBJECTIVE The study's goal was to develop a procedure. THE EFFECTS OF COfrTACT ION ON HYDROLOGIC PROPERTIES OF FOREST SOILS IN THE SIERRA NEVADA INTRODUCT ION Problem Statement Despite the increasing importance of cable logging systems, mobile ground based vehicles remain the primary method of transporting felled tixnber to landings on the majority of the forests in the United States.
Charcoal Increases Microbial Activity in Eastern Sierra Nevada Forest Soils. by Zachary W. Carter 1, Benjamin W. Sullivan 1, Division of Hydrologic Sciences, Desert Research Institute, Reno, NVUSA G. Effects of fire on properties of forest soils: A review.
Oecologia, 1–Author: Zachary W. Carter, Benjamin W. Sullivan, Robert G. Qualls, Robert R. Blank, Casey A. Schmidt, Paul S. Because the effects of soil compaction on forest health vary depending upon the degree of compaction, it would be desirable to add another quantitative measure of soil compaction to the FIA program.
Penetrability is a physi-cal property of soils that is frequently used as a measure of the degree of soil compaction. Soil penetrability is a. The Effects of Compaction on the Hydrologic Properties of Forest Soils in the Sierra Nevada.
USDA Forest Service. Pacific Southwest Region. Watershed Frederick, G.P. Effects of forest roads, on grizzly bears, elk, and gray wolves: a literature review. USDA Forest Service, Kootenai National Forest, Libby, Appendices Payette. Appendices Table of Contents The effects of compaction on the hydrologic properties of forest soils in the Sierra Nevada.
Earth Resources Monograph 7. USDA Forest Service, Pacific Southwest Region, Vallejo, California, USA. Carlton D. and Calvin M.
Fuels Management Analyst Suite FMA+Plus 3. Users Guide. Sep 01, · Infiltration is the flow of water through the soil surface into a porous medium under gravity action and pressure effects. First the water moist soil grains and subsequently the surplus water moves down due to resulting gravitational force.
The present study deals with the effect of compaction state and water content on infiltration property, in particular the saturated hydraulic conductivity. Oct 06, · Soil compaction and effects on soil properties 1. INTRODUCTION TO COMPACTION EFFECTS OF COMPACTION ON SOIL PROPERTIES 2.
Compaction means pressing of the soil particles close to each other by mechanical methods. Air is expelled from soil. likely due to the machine travel. Reasons for increased compaction at the 25 cm (10 in) depth are not clear. Assuming that machine use increased overall soil compaction, a trend of increased compaction across all depths of the soil at all distances from the track would be expected.
Dec 07, · Physical properties of forest soils develop under natural conditions by the influence of permanent vegetation over a long period of time.
Physical properties of forest soils may be almost permanent properties unless modified by harvesting operations, shifting cultivation, and forest nightcapcabaret.com by: 8. Several studies investigated soil disturbances caused on skid trails by forest logging.
However, there is still a lack of knowledge about the severity and the distance of disturbances along both sides from the trails. The aims of this study were: i) to investigate the changes in physical and chemical properties of soil along the sides of skidding trails; ii) to measure the effects of soil Cited by: 2.
Sierra Nevada Forest Plan Amendment FEIS Volume 4, Appendix F-3 – Regional Soil Quality Standards Soil strength, infiltration, or other alternative measures of detrimental compaction: Recent scientific studies within the project area also indicate that soil strength measured with a cone.
The Effects of Compaction on the Hydrologic Properties of Forest Soils in the Sierra Nevada. USDA Forest Service. Pacific Southwest Region. Watershed Management Staff. Earth Resources Monograph 7. Carlton, Dean Fire Program Solutions/Acacia Services Crown Mass™-Assessment of Potential Fire Behavior.
Clayton, J.L. Prescribed fires were applied to ponderosa pine-incense-cedar and white fir-giant sequoia ecosystems in the southern Sierra Nevada. Aerial and heavy fuels were not affected, but weight, depth, and water-holding capacity of fine fuels were reduced.
Forest floor wettability was altered, and some water repellency was transferred to the soil. Compaction of soil is a process of densification of soil by displacing air from the pores by applying external stress on soil at different moisture content.
Factors Affecting Compaction of Soil – Effect on Different Soil Types. Following the different factors affecting compaction of soil: Water content; Amount of compaction; Types of soil. The dry density achieved depends on the method of compaction. Effect of Compaction on Properties of Soil.
Effect of Compaction on Soil Structure. Soils compacted at a water content less than the optimum generally have a flocculated structure.
Soils compacted at water content more than the optimum usually have a dispersed structure. In large catchments, where floods are often produced by the saturation excess mechanism from lower intensity, longer duration storms, the effect of soil compaction of flood peaks is less obvious.
Overall, soil compaction effects on floods tend to increase with the size of the compacted area, but its spatial arrangement in the landscape does nightcapcabaret.com by: Unfortunately, this book can't be printed from the OpenBook.
If you need to print pages from this book, we recommend downloading it as a PDF. Visit nightcapcabaret.com to get more information about this book, to buy it in print, or to download it as a free PDF.
The Sierra Nevada subalpine zone occurs between 2,–3, metres (8,–12, ft), and is characterized by an open woodland of several conifer species, including whitebark pine, lodgepole pine, western white pine, mountain hemlock, and Sierra juniper.
The vegetation and ecology is determined by the harsh climate. Impact of Soil Compaction on Soil Physical, Hydraulic Properties and Yields Soil compaction due to cultural operations is an acknowledged problem in the Northern Great Plains (NGP).
Mollisols soils (mostly Typic Agriborolls), common to the region, are easily compacted at. Soil compaction due to mechanized harvesting operations in forests can have profound effects on forest soils and, hence, can have a detrimental effect on subsequent forest regeneration.
We performed a meta-analysis to quantify the effect of soil compaction on height growth, diameter growth, and survival of tree nightcapcabaret.com by: The Sierra series consists of deep to very deep, well drained soils that formed in material weathered from intrusive igneous rocks.
Sierra soils are on foothills and have slopes of 0 to 70 percent. The mean annual precipitation is about mm and the mean annual air temperature is about 15 degrees C. Soil-water characteristics and hydrologic implications following forest soil disturbance.
The relative influence of organic residue and soil compaction on permeability and moisture capacity—a study on Cohasset soil in the Sierra Nevada mixed conifer zone. Ph.D. dissertation. University of California, Berkeley. Powers, R.F.
Chapter 5. west (Johnson et al. ) and east (Johnson et al. ) slopes of the Sierra Nevada, with point-scale increases in available N and other important nutrients.
Although simplified patterns of Sierra Nevada geology and soil properties can help describe the regional setting, a tremendous variety of local conditions exists throughout the range.
Soil compaction, also known as soil structure degradation, is the increase of bulk density or decrease in porosity of soil due to externally or internally applied loads. Compaction can adversely affect nearly all physical, chemical and biological properties and functions of soil.
Together with soil erosion, it is regarded as the "costliest and most serious environmental problem caused by. May 01, · Data on the effects of livestock grazing on soil nutrient availability are virtually nonexistent for meadow systems.
We measured the effect of livestock grazing on soil, emphasizing soil-solution chemistry, in a Sierra Nevada riparian meadow. Treatments were livestock exclusion (begun in ) and grazing to leave 1 kg·ha−1 of nightcapcabaret.com by: 9.
hydraulic conductivity (sometimes called permeability) is the movement of water within soil. Soil hydrologic function is primarily controlled by physical soil properties such as texture, structure, and porosity.
Soil texture—the relative distribution of sand, silt, and clay—is not affected by forest. Jul 01, · The mild climate at the SJER does not generate soil freezing and thawing, known to effect soil bulk density in colder climates.
The rate at which soils recover from compaction from livestock grazing will likely vary based upon soil properties such as texture and structure, as well as antecedent grazing nightcapcabaret.com by:. Deschutes National Forest, Bend, OR Abstract Data on the effects of livestock grazing on soil nutrient availability are virtually nonexistent for meadow systems.
We measured the effect of livestock grazing on soil, emphasizing soil-solution chemistry, in a Sierra Nevada riparian meadow. Treatments.Published Soil Surveys for Nevada. Current, official soil survey information is on the Web Soil Survey.
The Web Soil Survey allows you to create custom reports by selecting a specific area of interest. In the table below, clicking on a survey area that is listed as "current" takes you to the Web Soil Survey.Impact of Site Disturbances from Harvesting and Logging on Soil Physical Properties and Pinus kesiya Tree Growth.
These research results have encouraged new intuitions on the effects of soil compaction on forest productivity in different soil types and proved the importance of having site-specific soil quality assessments in forests Cited by: 4.