Software for Computing Plant Biomass--BIOPAK Users Guide PDF Download
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Author:
Publisher:
ISBN:
Category : Plant biomass
Languages : en
Pages : 194
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Book Description
Author:
Publisher:
ISBN:
Category : Plant biomass
Languages : en
Pages : 194
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Book Description
Author:
Publisher:
ISBN:
Category : Plant biomass
Languages : en
Pages : 198
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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 762
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Author:
Publisher:
ISBN:
Category : Plant biomass
Languages : en
Pages : 28
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Author:
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ISBN:
Category : Biomass energy
Languages : en
Pages : 92
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Author: Crystal Lynn Raymond
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ISBN:
Category : Conifers
Languages : en
Pages : 36
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Book Description
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:
Category : Forest biomass
Languages : en
Pages : 52
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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
Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1100
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1450
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 108
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