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ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (319 download)
Download or read book Software for Computing Plant Biomass--BIOPAK Users Guide written by and published by . This book was released on 1994 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.3/5 (121 download)
Download or read book Software for Computing Plant Biomass--BIOPAK Users Guide written by and published by . This book was released on 1994 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 762 pages
Book Rating : 4.E/5 ( download)
Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 1994 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (319 download)
Download or read book Estimating Live Fuels for Shrubs and Herbs with BIOPAK written by and published by . This book was released on 1996 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.3/5 (126 download)
Download or read book Current Abstracts written by and published by . This book was released on 1995-03 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Crystal Lynn Raymond
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.E/5 ( download)
Download or read book Comparing Algorithms for Estimating Foliar Biomass of Conifers in the Pacific Northwest written by Crystal Lynn Raymond and published by . This book was released on 2013 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate estimates of foliar biomass (FB) are important for quantifying carbon storage in forest ecosystems, but FB is not always reported in regional or national inventories. Foliar biomass also drives key ecological processes in ecosystem models. Published algorithms for estimating FB in conifer species of the Pacific Northwest can yield signifi cantly different results, but have not been rigorously compared for species other than Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). We compared five algorithms for estimating FB for seven common coniferous species in the Pacific Northwest. Algorithms based on diameter at breast height (DBH), or on DBH and height, consistently yield higher estimates of FB than algorithms based on sapwood area. At the tree level, differences between algorithms increased with increasing DBH for all species, but their order and magnitude differed by species. At the stand level, differences among algorithms were muted by the mix of species and diameter classes that contributed to total FB of stands of different seral stages and species composition. Significant differences among estimates of FB from different algorithms show the need for consistent methods for estimating FB for carbon accounting, tests of the sensitivity of ecosystem models to these differences, and more field observations to compare algorithms.
Author : Jennifer Caroline Jenkins
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (319 download)
Download or read book Comprehensive Database of Diameter-based Biomass Regressions for North American Tree Species written by Jennifer Caroline Jenkins and published by . This book was released on 2004 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: A database consisting of 2,640 equations compiled from the literature for predicting the biomass of trees and tree components from diameter measurements of species found in North America. Bibliographic information, geographic locations, diameter limits, diameter and biomass units, equation forms, statistical errors, and coefficients are provided for each equation, along with examples of how to use the database. The CD-ROM included with the paper version of this publication contains the complete database (Table 3) in spreadsheet format (Microsoft Excel 2002® with Windows XP®). The database files can also be viewed in both spreadsheet and pdf formats by directing your browser to the Global Change page at http://www.fs.fed.us/ne/global/pubs/books/index.html
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ISBN 13 :
Total Pages : 1100 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1995 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1450 pages
Book Rating : 4.:/5 (891 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ervin G. Schuster
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (319 download)
Download or read book A Guide to Computer-based Analytical Tools for Implementing National Forest Plans written by Ervin G. Schuster and published by . This book was released on 1993 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (11 download)
Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Coeli M Hoover
Publisher : Springer Science & Business Media
ISBN 13 : 1402085060
Total Pages : 242 pages
Book Rating : 4.4/5 (2 download)
Download or read book Field Measurements for Forest Carbon Monitoring written by Coeli M Hoover and published by Springer Science & Business Media. This book was released on 2008-10-20 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the summer of 2003, a workshop was held in Portsmouth, NH, to discuss land measurement techniques for the North American Carbon Program. Over 40 sci- tists representing government agencies, academia and nonprofit research organi- tions located in Canada, the US and Mexico participated. During the course of the workshop a number of topics were discussed, with an emphasis on the following: • The need for an intermediate tier of carbon measurements. This level of study would be more extensive than state-level inventories of the US Forest Service Forest Inventory and Analysis Program, but less detailed than intensive ecos- tem studies sites such as those in Long Term Ecological Research network. This tier would ideally provide a basis to link and scale remote sensing measurements and inventory data, and supply data required to parameterize existing models (see Wofsy and Harriss 2002, Denning et al. 2005). • The design criteria that such a network of sites should meet. The network and s- pling design should be standardized, but flexible enough to be applied across North America. The design also needs to be efficient enough to be implemented without the need for large field crews, yet robust enough to provide useful information. Finally, the spatial scale must permit easy linkage to remotely sensed data. • The key variables that should be measured at each site, and the frequency of measurement.
Author : D. L. Henshaw
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (319 download)
Download or read book Research Publications of the H.J. Andrews Experimental Forest, Cascade Range, Oregon written by D. L. Henshaw and published by . This book was released on 1998 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven Lee Garman
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (319 download)
Download or read book Accelerating Development of Late-successional Conditions in Young Managed Douglas-fir Stands written by Steven Lee Garman and published by . This book was released on 2003 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this simulation study was to provide information for defining thinning regimes for young Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stands in the Central Cascades Adaptive Management Area, located in west-central Oregon. Specifically, this study used the ZELIG. PNW (3.0) gap model to evaluate effects of experimental thinning treatments on the development of late-successional attributes and on extracted merchantable volume. Sixty-four thinning treatments were simulated for four rotation intervals (260, 180, 100, and 80 years) starting with a 40-year-old managed Douglas-fir stand. The amount of time for five late successional attributes to reach defined threshold levels, long-term developmental trends of these attributes, and amount of extracted merchantable volume were recorded for each treatment. Stand conditions of selected treatments were used in a subsequent harvest rotation in which 64 additional experimental thinning treatments were applied and evaluated. A total of 1,744 thinning treatments was evaluated in this study. Results of this study confirm previous recommendations for accelerating development of late-successional attributes in young managed stands. Additionally, results show the potential for a range of thinning treatments to attain late-successional conditions in about the same amount of time, but with different tradeoffs in terms of merchantable volume and long-term stand conditions. In general, heavy thinning of existing stands at ages 40 and 60 years promoted rapid development of large boles, vertical diversity, and tree-species diversity, but provided the least amount of extracted volume and required artificial creation of dead wood. Treatments that retained more than 40 percent of the original overstory and thinned to 99 trees per hectare at age 60 delayed attainment of late-successional conditions by 10 to 30 years but provided 12 to 20 percent more extracted volume, resulted in higher levels of most late-successional attributes at the end of a rotation, and required less artificial creation of dead wood. Treatments providing the fastest development of late-successional conditions in subsequent rotations varied with the amount of canopy cover retained at the end of the first rotation. For stands starting with ÃÃY30 percent canopy cover, delaying the first commercial thin for 40 years promoted the most rapid development of vertical structure and shadetolerant stems. Lower canopy-retention levels required heavy or light thins in subsequent entries, depending on the rotation interval, for rapid development of late-successional attributes.
Author : Mark A. Finney
Publisher : CSIRO PUBLISHING
ISBN 13 : 1486309097
Total Pages : 377 pages
Book Rating : 4.4/5 (863 download)
Download or read book Wildland Fire Behaviour written by Mark A. Finney and published by CSIRO PUBLISHING. This book was released on 2021-11 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wildland fires have an irreplaceable role in sustaining many of our forests, shrublands and grasslands. They can be used as controlled burns or occur as free-burning wildfires, and can sometimes be dangerous and destructive to fauna, human communities and natural resources. Through scientific understanding of their behaviour, we can develop the tools to reliably use and manage fires across landscapes in ways that are compatible with the constraints of modern society while benefiting the ecosystems. The science of wildland fire is incomplete, however. Even the simplest fire behaviours – how fast they spread, how long they burn and how large they get – arise from a dynamical system of physical processes interacting in unexplored ways with heterogeneous biological, ecological and meteorological factors across many scales of time and space. The physics of heat transfer, combustion and ignition, for example, operate in all fires at millimetre and millisecond scales but wildfires can become conflagrations that burn for months and exceed millions of hectares. Wildland Fire Behaviour: Dynamics, Principles and Processes examines what is known and unknown about wildfire behaviours. The authors introduce fire as a dynamical system along with traditional steady-state concepts. They then break down the system into its primary physical components, describe how they depend upon environmental factors, and explore system dynamics by constructing and exercising a nonlinear model. The limits of modelling and knowledge are discussed throughout but emphasised by review of large fire behaviours. Advancing knowledge of fire behaviours will require a multidisciplinary approach and rely on quality measurements from experimental research, as covered in the final chapters.
Author : Zach Willey
Publisher : Duke University Press
ISBN 13 : 9780822341680
Total Pages : 248 pages
Book Rating : 4.3/5 (416 download)
Download or read book Harnessing Farms and Forests in the Low-carbon Economy written by Zach Willey and published by Duke University Press. This book was released on 2007 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the United States moves to a low-carbon economy in order to combat global warming, credits for reducing carbon dioxide emissions will increasingly become a commodity that is bought and sold on the open market. Farmers and other landowners can benefit from this new economy by conducting land management practices that help sequester carbon dioxide, creating credits they can sell to industry to "offset" industrial emissions of greenhouse gases. This guide is the first comprehensive technical publication providing direction to landowners for sequestering carbon and information for traders and others who will need to verify the sequestration. It will provide invaluable direction to farmers, foresters, land managers, consultants, brokers, investors, regulators, and others interested in creating consistent, credible greenhouse gas offsets as a tradable commodity in the United States. The guide contains a non-technical section detailing methodologies for scoping of the costs and benefits of a proposed project, quantifying offsets of various sorts under a range of situations and conditions, and verifying and registering the offsets. The technical section provides specific information for quantifying, verifying, and regulating offsets from agricultural and forestry practices. Visit the Nicholas Institute for Environmental Policy Solutions website for audio from the press conference announcing the book. Read the press release announcing the book.
Author : United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Rural Revitalization, Conservation, Forestry, and Credit
Publisher :
ISBN 13 :
Total Pages : 412 pages
Book Rating : 4.0/5 ( download)
Download or read book Creating Jobs with Climate Solutions written by United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Rural Revitalization, Conservation, Forestry, and Credit and published by . This book was released on 2009 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
