impact of soils and climate on silvicultural practices in the central Oregon pumice region by Kenneth Pierson Cummings Download PDF EPUB FB2
Gardening in Central Oregon's climate Behind the beauty of the High Desert landscape lie many factors that create challenges for gardeners. Some of the main factors that contribute to difficulties include temperature, precipitation, soil types, elevation, USDA hardiness zones and microclimates.
Silvicultural treatments represent disturbances to forest ecosystems often resulting in transient increases in net nitrification and leaching of nitrate and base cations from the soil.
Response of soil carbon (C) is more complex, decreasing from enhanced soil respiration and increasing from enhanced postharvest inputs of by: In central Oregon, both ponderosa and lodgepole pines are associated with pumice soils.
In eastern Oregon, ponderosa pine is more often associated with basalt- and andesite-derived soils; while lodgepole pine, western larch, interior Douglas-fir, mixed conifer, and spruce-fir types are associated with volcanic ash soils (Geist and Strickler ).
Effects of Silvicultural Practices on Soil Carbon and Nitrogen in a Nitrogen Saturated Central Appalachian (USA) Hardwood Forest Ecosystem January. Samples were collected from the soil surface down to a one meter depth from each of 45 soil profiles, and soil samples were obtained at 10 different soil depths of 0–10, 10–20, 20–30, The results showed that the movement of vehicles had a major impact on the soil condition, while the silvicultural treatment had a clearly defined impact, but one which was quickly recoverable.
The QBS-ar index showed a very large variation range (93–), as observed by Blasi et al. () and Rüdisser et al. Namely, microarthropod Cited by: The impacts of intensive silvicultural treatment on soil processes and fertility, as well as nutrition and growth of planted eastern white pine (Pinus strobus L.) and white spruce [Picea glauca (Moench) Voss] were examined 4 yr after planting and initial treatment.
The impacts of three treatments, applied singly and in factorial combinations. Effects of silviculture on native tree species richness: interactions between management, landscape context and regional climate Emi Martı´n-Queller1,2*, Jeffrey M.
Diez3, Ine´s Iba´n˜ez4 and Santiago Saura1 1Departamento de Economıa y Gestion Forestal, ETSI Montes, Universidad Polit ecnica de Madrid, Ciudad Universitaria s/n, MadridSpain; 2Departament d’Enginyeria Agroforestal.
The study area lies at elevations of ft., is mantled with pumice deposits 1/2 ft. deep, and has precipitation totals of in. Six plant communities were identified in the Pinus ponderosa and Abies concolor zones; they were, in order of increasing effective moisture content: (1) P.
ponderosa/Purshia tridentata; (2) P. ponderosa/ Purshia tridentata/festuca idahoensis; (3) by: 3. The climate is mild and the soil is rich in the Willamette Lowlands. This region is a narrow strip of land to the east of the Coast Range along the Willamette River.
This river runs north into the Columbia River. Cascade Mountains. Mount Hood is the highest point in Oregon, located in the Cascade Mountains is 11, feet above sea level. Highlights Biological soil crust lichen communities are poorly known. We studied 59 sites in Oregon, USA to examine environmental gradients associated with biotic crust lichen communities.
Species-rich biotic crust lichen sites were scattered throughout the region. Richness was weakly negatively related to abundance of shrubs of disturbed sites, Gutierrezia and Chrysothamnus. Community Cited by: Kenneth Pierson Cummings has written: 'The impact of soils and climate on silvicultural practices in the central Oregon pumice region' -- subject(s): Climatic factors, Lodgepole pine, Soils.
E ects of pumice mining on soil quality A. Cruz-Ruíz et al. Title Page biomass and enzymes activity have been widely used to assess impact of land use change and reclaimed soils (Chodak and Niklinska, ).
5 of opencast pumice mine spoils in the Central of Mexico, were chosen on the basis of. Purchase Soil Conservation and Silviculture, Volume 23 - 1st Edition. Print Book & E-Book. ISBNBook Edition: 1. Full text of "Silviculture of Ponderosa Pine in the Pacific Northwest: The State of Our Knowledge" See other formats.
Defining soil quality for a sustainable environment: proceedings of a symposium sponsored by Divisions S-3, S-6, and S-2 of the Soil Science Society of America, Division A-5 of the American Society of Agronomy, and the North Central Region Committee on Soil Or ganic Matter (NCR) in Minneapolis, MN, November /.
SOILS AND FARMING PATTERNS OF THE CENTRAL PUMICE REGION R. GORDON Farm Advisory 0 ff icer, Taupe INTRODUCTION TAUPO has evolved as a region of New Zealand with unique features. The volcanic ash covered some 9, square miles and the soils which developed, though young in geological age, were.
Silviculture is an applied science that requires a synthesis of knowledge about forest dynamics, mensuration, ecology, plant physiology, soils and entomology.
It is in the practice of silviculture that much of the scientific knowledge about forests is applied. If there is adequate moisture, grand fir in central and eastern Oregon grows on pumice and other shallow, exposed soils.
On the Mendocino Coast of California grand fir occurs on soils of pH 5. Elevation: Grand fir occurs at elevations up to 6, feet (1, m) in the Cascade Range and northern Rocky Mountains [14,71]. for lightweight aggregate in Oregon, but process ing of the pumice is necessary to obtain a suitable size distribution of the particles.
INTRODUCTION During two weeks in Octobera field in vestigation of the pumice deposits of the Klamath Indian Reservation, Klamath County, Oreg., was made by geologists of the Geological Size: 1MB. Effects of Silvicultural Practices and Wildfire on Productivity of Forest Soils a high heartwood to sapwood ratio persist the longest.
These results point out the hazards of extrapolating research infor-mation from one ecosystem type to another. Interactions Soil porosity, organic matter, and surface soil volume are highly interdependent.
Soil Management as Silviculture. Because tractor piling does impact the soil layers through displacement and compaction, tractor piling of logging debris can adversely affect tree growth (Bosworth ). Soil bulk density recovery on compacted skid trails in central Idaho.
Soil Science Society of America Journal. Forest management practices that lead to frequent entries appear likely to compact these volcanic ash soils. Depending on logging patterns, large areas could be impacted without careful planning It appears that compaction effects are long-lasting and cumulative, thus the risk of reducing long-term site productivity is a : Robert T.
Parker. Heat at the soil surface can cause the soil temperatures to be lethal to the Shade the tree crown on Engelmann spruce sites above 9, feet in the central and southern Rocky Mountains for protection from solarization problems.
SILVICULTURAL PRACTICES HANDBOOK CHAPTER 2 - REFORESTATION. __ The study is a review of techniques available to manage the impacts of recreation on soils and vegetation.
The information has been collected from written sources, and from discussions with practitioners, researchers and suppliers of materials. The main emphasis is on countryside recreation sites in the UK. The specific aims of the study include: outlining the problems of deterioration at Cited by: 6.
Paripovic, D. Impacts of conversion from forestry to pasture on soil physical properties of Vitrands (Pumice Soils) in the Central North Island, New Zealand (Thesis, Master of Science (MSc)).Cited by: 5. Some foliage nutrient levels in tree and brush species growing on pumice soils in central Oregon.
Northwest Science. 53(4): ;  Wellersdick, Marilee; Zalunardo, Ray. Characteristics of snags used by wildlife for nesting and feeding in the Western Cascades, Oregon. Impacts of three silvicultural prescriptions on sediment mobility and water quality in headwater streams of forested watersheds in the Upper Gulf Coastal Plain of Mississippi, USA.
Journal of the Faculty of Agriculture, Kyushu University. 59(1) Developing resilient ponderosa pine forests with mechanical thinning and prescribed fire in central Oregon's pumice region. Canadian Journal of Forest Research, Vol Number 6, pp. Busse, Matt D.; Riegel, Gregg M.
Response of antelope bitterbrush to repeated prescribed burning in Central Oregon ponderosa pine forests. Postfire logging recoups the economic value of timber killed by wildfire, but whether such forest management activity supports or impedes forest recovery in stands differing in structure from historic conditions remains unclear.
The aim of this study was to determine the impact of mechanical logging after wildfire on soil bacterial and fungal communities and other measures influencing soil Cited by:. Silviculture involves managing and handling the forest in view of its silvics.
Silviculture imitates a natural change - such as a windthrow, beetle infestation, or fire. However, silvicultural methods harvest forest products for human use rather than wait on nature to burn them, eat them, or blow them down.• each company used soils data, although in • each company had active silviculture and tree improvement research programs • our challenge now is to integrate and optimize the use of these efforts.
kinds of soil information needed • identify need for best management practices on a site specific basis • erosion hazard prediction.Judging Impact and Damage of Timber Harvesting to Forest Soils in Mountainous Regions of Western North America PLEASE DO NOT REMOVE FROM FILES by DOUGLAS N.
SWANSTON fic Northwest Forest and Range Experiment Station Forest Service, U.S. Department of Agriculture Corvallis, Oregon Abstract Slope disturbance produced by forest operations.