Understory biomass reduction methods and equipment

Cover of: Understory biomass reduction methods and equipment |

Published by U.S. Dept. of Agriculture, Forest Service, Technology & Development Program in Missoula, Mont .

Written in English

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Subjects:

  • Forest machinery,
  • Forests and forestry -- Equipment and supplies

Edition Notes

Book details

StatementKeith Windell, Sunni Bradshaw.
Series[MTDC] -- 0051-2828-MTDC., MTDC project report -- no. 0051-2828-MTDC.
ContributionsBradshaw, Sunni., Technology & Development Center (Missoula, Mont.)
The Physical Object
FormatMicroform
Paginationiv, 32 p.
Number of Pages32
ID Numbers
Open LibraryOL17604837M
OCLC/WorldCa49559597

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Understory Biomass Reduction Methods and Equipment Catalog United States Department of Agriculture Forest Service Technology & Development Program Fire Timber April MTDC Understory Biomass Reduction Methods and Equipment Catalog.

ii his publication was requested by a specially formedT biomass reduction project review. Understory Biomass Reduction Methods and Equipment Catalog [Keith Windell, Sunni Bradshaw, United States Department of Agricultural] on *FREE* shipping on qualifying offers.

This report consists of two sections. The first section contains the results of numerous interviews, a field surveyCited by: "This partial document does not include the page Catalog of Machines and Specialized Equipment. The full version, Understory Biomass Reduction Methods and Equipment Catalog (MTDC), is available from the Missoula Technology and Development Center"--Page 2 of cover.

"7E72PUnderstory biomass reduction." " Fire"--Cover. Prescribed burning is used, particularly in the southeastern United States, to control understory vegetation. This practice can reduce the risk or severity of fire, but it can also provide benefits for wildlife habitat improvements and ecosystem health (Marshall et al.

).Prescribed burning is avoided in areas where smoke would create hazards for human health and transportation. The full version, Understory Biomass Reduction Methods and Equipment Catalog (MTDC), is available from the Missoula Technology and Development Center"--P. [2] of cover."April "Includes bibliographical references (p.

).Mode of access: Internet. Windell, Keith, Sunni Bradshaw. Understory biomass reduction methods and equipment catalog. MTDC. Missoula, MT: USDA Forest. Understory biomass reduction methods and equipment catalog / By Keith. Windell, Sunni. Bradshaw and Technology & Development Program (U.S.) Abstract "MTDC"--Cover." Timber"--Cover." Fire"--Cover."7E72PUnderstory biomass reduction.""April "Includes bibliographical references (p.

).Mode of access: Internet. The vertical method is used by Fox and McKay () for the postburn response of forest understory (used as controls by Fox and Fox, ) and by Fox and Fox () for mined heathland.

The coverboard method, although less objective, became more favored because it does not require the uniform sunshine conditions needed for the light meter method.

Understory biomass reduction methods and equipment book are three main stages that occur during biomass combustion: drying, pyrolysis and reduction, and combustion of volatile gases and solid char.

Typically, the biomass contains high moisture and high oxygen content, which causes to have low heating values for biomass. The high moisture content is one of the most significant disadvantage. Treatments, including woody biomass removal, will be sustainable and will not compromise soil organic matter, the recruitment and retention of coarse woody debris, or wildlife habitat.

If needed, use NRCS CPSWoody Residue Treatment. If applicable, use biomass harvesting guidelines (The Forest Guild, ) and/or State guidance. Knowledge on the mechanical properties of granular biomass is important for the design and efficient operation of equipment used for handling, storage, and processing.

Their mechanical properties are used as a measure of material quality. In this study, the mechanical properties of granular biomass obtained from pines (sawdust, shavings, long shavings, and pellets) were determined under a.

material can be used as woody biomass fuel or pulp for paper products. This method includes the mechanical conversion or mastication of slash to chips and chunks of varying sizes. For safety purposes, humans and animals must be excluded from areas being treated by equipment that.

OCLC Number: Notes: "April " Shipping list no.: M. "7E72PUnderstory biomass reduction." " Fire"--Cover. " Timber"--Cover. Forest Inventory & Analysis National Office U.S. Forest Service Independence Ave., SW Washington, D.C. () This primer discusses two approaches for estimating the biomass density of woody formations based on existing forest inventory data.

The first approach is based on the use of existing measured volume estimates (VOB per ha) converted to biomass density (t/ha) using a variety of "tools" (Brown et al.Brown and IversonBrown and LugoGillespie et al.

clearing and agriculture equipment supply companies can offer a wealth of information for those individuals not familiar with a specific type of machine. The information presented in this section was obtained from the US Forest Service Technical Report MTDC, Understory Biomass Reduction Methods and Equipment Catalog.

The use of trade. Small-area forestry equipment [microform] / Bob Beckley, Keith Windell U.S. Dept. of Agriculture, Forest Service, Technology & Development Program Missoula, Mont Wikipedia Citation Please see Wikipedia's template documentation for further citation fields that may be required.

Biomass represents an extremely valuable potential to obtain new clean energy sources and natural structurally complex bioactive compounds. Renewable energy can be produced from any biological feedstock, that contains appreciable amounts of sugar or materials that can be converted into sugar (e.g.

starch or cellulose). biomass power plant operational procedures and equipment. Again, it is important to note that this description is not of one particular facility, but a combination of several facilities to provide a general understanding of the processes biomass power plants use to produce electricity from biomass fuel.

To estimate total understory biomass in the m-radius plots, we first calculated the total understory volume (bamboo and bamboo-free understory separately) with the following equation π × r 2 × h × (C/), where π =r is the plot radius (i.e.

50 m), h is the average understory height, and C is bamboo and bamboo-free cover. The fire risk reduction is accomplished by reducing the height of the woody understory and midstory, creating space between the ground cover and the tree canopy.

This enhancement provides for management of the understory vegetation in a forested area, using mechanical, chemical or manual methods to improve the plant species mix and the health.

Available in the National Library of Australia collection. Author: Windeler, Adolphus; Format: Book; p.: ill. ; 25 cm. Bolding and Lanford () analyzed the feasibility of utilizing non-merchantable understory hardwood stems (e.g. cm DBH) for biomass in a year-old pine stand located in Alabama, USA.

Traditional forestry equipment can be used in conjunction with a chipper, if trees and shrubs to be removed are not too small. The development of various types of biomass baling systems is also occurring to reduce transportation costs and improve efficiencies for smaller understory harvests and forest improvement operations.

Biofuel is a type of fuel whose energy is derived from biological carbon fixation. Biofuels include fuels derived from biomass conversion (Figure 1, JICA, Okinawa, Japan), as well as solid biomass, liquid fuels and various gh fossil fuels have their origin in ancient carbon fixation, they are not considered biofuels by the generally accepted definition because they contain.

Co-firing coal with biomass is a potentially valuable tool to help decrease greenhouse gas and other emissions in coal-fueled boilers. Use of biomass at low to moderate biomass to coal ratios appears to produce the best performance enhancements and can result in overall life-cycle energy consumption reductions, as well as reduced solid waste generation.

Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials.

Action: Thin trees within forests: effects on understory plants Key messages Read our guidance on Key messages before continuing. Seventeen of 25 studies (including four replicated, randomized, controlled studies) in Argentina, Brazil, Canada, Japan, Spain and the USA found that thinning trees in forests increased the density and cover of understory plants.

vegetation biomass for up to two years following treatment in three common flatwoods stand types: mature pine, mature/re-cently burned pine, and pine plantations. Although this study was conducted in one location, we discuss the implications of mowing treatments for fire hazard reduction, as well as biomass.

Harvesting Forest Biomass by Adding a Small Chipper to a Ground-Based Tree-Length Southern Pine Operation - Michael D. Westbrook Jr, Dale Greene, Bob Izlar. Funded by the Georgia Traditional Industries Program (TIP3).

We looked at the addition of a small chipper to a mechanized, tree-length system to also harvest tops, limbs, and understory. Forty-eight prescribed understory burns were conducted in mature Pinus ponderosa stands of the Pseudotsuga menziesii/Physocarpus malvaceus habitat type during the fall of These included 15 backfires, 16 strip headfires, and 17 single headfires.

Prediction models for fuel reduction, fire behavior, and overstory damage were developed from preburn fuel (loading and moisture.

For more information on small-scale equipment, please see “Small-scake Woody Biomass Harvesting Systems”. Woody Biomass Transportation and Delivery Costs. Delivery of woody biomass from the harvesting site to a conversion facility, like delivery of more conventional forest products, accounts for a significant portion of the delivered cost5.

Methods. Understory Inventory. To assess the amount of understory woody biomass that existed in each area, 1 m2 biomass inventory plots were installed. A total of twenty-seven plots were installed on Site 1 and twenty plots were installed on Site 2.

Plot areas. materials, and grinding or other size reduction methods. An automated system conveys the correct amount of biomass required by the energy conversion process. In a manual system, a front-end loader will perform this function. The sizing equipment separates oversized pieces and sizes them to meet boiler specifications.

The. reduction using prescribed fire and mechanical treatments, which involve removing small trees with heavy equipment and/or grinding up small trees and shrubs, is generally effective at reducing future fire intensity and improving tree health without negatively impacting understory vegetation, soil density or erosion, wildlife, or carbon storage.

understory trees. With this approach, previously non-merchantable stems should become merchantable as energy-wood. In overstocked, even-aged stands and multi-storied stands alike, reduction in the number of trees per acre will open the forest canopy releasing the better trees to grow in value.

Methods. Daubenmire, R. A canopy-coverage method of vegetational analysis. Northwest Sci. Evans, R.A. and R.M. Love. The step-point method of sampling - A practical tool in range research. Range Manage. Hanley, T.A. A comparison of the line-interception and quadrat estimation methods of determining shrub canopy.

Yet as with other disturbances that open up the overstory, mulching may ultimately promote understory plants -both native and exotic -as plants become equilibrated to the reduction in competition. about the harvest unit, concentrated in slash-piles (SP), or both depending on the harvest method and equipment used.

Accurate estimates of residue biomass are useful to managers who allocate resources for smoke abatement, fire-risk reduction, and regeneration efforts, and to landowners. Key message Pine fine root biomass, live fraction and specific root length studied after collection with ingrowth cores do not correspond with those collected with ingrowth meshes.

Comparison of ingrowth cores and ingrowth meshes in root studies: 3 years of data on Pinus pinaster and its understory |. 2. One of the major advantages of biomass is that it can be used to generate electricity with the same equipment or in the same power plants that are now burning fossil fuels.

3. Biomass energy is not associated with environmental impacts such as acid rain, mine spoils, open pits, oil spills, radioactive waste disposal or the damming of rivers. 4.trees and understory vegetation.

PURPOSE • Increase the quantity and quality of forest products by manipulating stand density and structure. • Timely harvest of forest products. • Development of renewable energy systems. • Initiate forest stand regeneration. • Reduce wildfire hazard. • Improve forest health reducing the potential of.Methods of Soil Analysis Part 2 Microbiological and Biochemical Properties Editorial Committee: R.

W. Weaver, chair Scott Angle Peter Bottomley David Bezdicek Scott Smith.

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