Last edited by Shajind
Sunday, May 10, 2020 | History

2 edition of Volume and biomass equations used by the Research Component in Bura Fuelwood Project found in the catalog.

Volume and biomass equations used by the Research Component in Bura Fuelwood Project

Riikka Otsamo

Volume and biomass equations used by the Research Component in Bura Fuelwood Project

by Riikka Otsamo

  • 242 Want to read
  • 9 Currently reading

Published by Kenya Forestry Research Institute, Dept. of Forest Ecology, University of Helsinki in Nairobi, Kenya, Helsinki, Finland .
Written in English

    Places:
  • Kenya,
  • Bura
    • Subjects:
    • Fuelwood crops -- Kenya -- Bura -- Mathematical models.,
    • Forest biomass -- Kenya -- Bura -- Measurement.

    • Edition Notes

      StatementRiikka Otsamo, Vesa Kaarakka.
      SeriesWorking paper / Research Component in Bura Fuelwood Project ;, 70, Working paper (Bura Fuelwood Project. Research Component) ;, 70.
      ContributionsKaarakka, Vesa., Bura Fuelwood Project. Research Component.
      Classifications
      LC ClassificationsSD536.6.K4 O88 1992
      The Physical Object
      Pagination19 leaves ;
      Number of Pages19
      ID Numbers
      Open LibraryOL342744M
      LC Control Number97983201

      Developing equations for estimating tree component biomass for naturally regenerated shorteaf pine in southeast Oklahoma with application to biomass partitioning in thinned and unthinned stands. In: Guldin, James M., ed. Proceedings of the 15th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-GTRAuthor: Nabin Gyawali, Thomas B. Lynch, Rodney E. Will. component and total aboveground biomass differed between trees with 5 years of intensive vegetation control and trees grown without vegetation control. Devine et al. () developed equations estimating year-5 tree biomass based on diameter at 15 cm above ground level (D 15) and total tree height; these equations used data fromCited by: 7.

      Investigation into Calculating Tree Biomass and Carbon in the FIADB Using a Biomass Expansion Factor Approach Linda S. Heath1, Mark H. Hansen2, James E. Smith1, W. Brad Smith3, and Patrick D. Miles2 Abstract: The official U.S. forest carbon inventories (U.S. EPA ) have relied on tree biomass estimates that utilize diameter based prediction equations from Jenkins andCited by:   Progress in Biomass Conversion, Volume 4, reviews the state of knowledge and development in the biomass energy and chemicals field. When biomass is used for energy, it must be used in innovative systems that are both efficient and economically Edition: 1.

      persica. Mean total biomass of the woody components was kg/ha and the corresponding wood volume was m3/ha. Biomass regression equations were established for the two first-mentioned Acacia species. Acacia zanzibarica var. zanzibarica is a small tree reaching 9 . Our research objectives were to transfer the clean Institutional Cookstove (IC) technology to Okavango Research Institute (ORI), quantify the amount of mopane (Colophospermum mopane) fuelwood it consumes in comparison to the traditional biomass energy system, and analyze its potential to be used as a substitute for the open fire cooking method.


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Volume and biomass equations used by the Research Component in Bura Fuelwood Project by Riikka Otsamo Download PDF EPUB FB2

Among the verified equations, 20%, 12% and 62% of equations were for green-biomass, oven-dried biomass, and volume respectively and 4 tree species contributed 37% of the total verified equations. Zianis, Muukkonen, Mäkipää and Mencuccini Biomass and Stem Volume Equations for Tree Species in Europe If the definition of the stem volume is reported in the original paper, it is indicated.

Models for estimating taper, biomass and volume 17 Taper equations 17 Volume equations 20 Diameter-height models for biomass and volume estimations 21 Biomass equations for stumps and roots 23 2 Objectives 25 3 Material and Methods 27 Site data 27 Modelling data (Papers I-IV).

29 The Models. 32File Size: 1MB. different families. 60% of these are biomass and 33 % tree volume equations. Majority of the Majority of the allometric equations (69 %) has been develope d for forest systems.

Development and Evaluation of Species-Specific Biomass Models for Most Common Timber and Fuelwood Species of Bangladesh Article (PDF Available) in Open Journal of Forestry 10(01) 1. To develop and publish new, national individual-tree biomass equations (used to estimate biomass of single trees, from diameter and height); 2.

To develop and document new methods to estimate stand-level biomass from inventory data (used for biomass estimation of whole stands, or polygons, from photo-interpreted.

The research was conducted in cooperation with the Nitrogen Fixing Tree Project of the Centro Agronómico Tropical de Investigación y Enseñanza (CATIE) in Turrialba, Costa Rica. The management of many agroforestry systems includes periodic prunings of the tree component, e.g.

for fuelwood, forage or green manure harvesting. A new biomass equation is developed from trees harvested on relatively fertile soils in the southern Amazon and new bole-volume equations are developed from trees in dense and open forests.

These allometric relationships are used to assess uncertainties in previous wood-volume and biomass Cited by: Generally, volume equations are used for estimating above ground bole biomass and belowground biomass that contributes approximately one fourth in the tree biomass is neglected.

Table 2. Allometric relationship between the biomass of the tree components (yr kg tree −1) and diameter at breast height (x, cm) for the young mixed plantation Cited by: The results indicated that (1) stem biomass accounted for the largest proportion (62 %) of the total tree biomass; (2) the two additive systems of biomass equations obtained good model fitting and.

Highlights Biomass equations for Quercus petraea, Carpinus betulus from coppice were developed. Power functions were used to estimate total aboveground woody biomass. Simplicity of biomass equations facilitate a wide-spread application. For accurate biomass estimations coppice specific equations are needed.

Comparative calculations show that coppice functions can be used site Cited by: Rapid appraisal of biomass resources: (both as total above-ground volume and wet weight) using equations developed for N.

Africa. Wood productivity was estimated using a rainfall-productivity equation. Dead wood stocks Dead wood currently forms an important component of the fuelwood trade in some parts of Yemen and from discussions Cited by: 1.

Forestry research in Bura, Kenya — Fi- nal report of the research component in the Bura Fuelwood Project. University of Helsinki, Tropi- cal Forestry Reports 8.

Ritchie, G. & Hinckley, T.M. The pressure chamber as an instrument for ecological research. Advances in Ecological Research 9: — Seeds section report 1.

amount of volume of growing stock, which is a phrase describing merchantable trees. Data from the surveys also have been used to estimate biomass or carbon. Cost and others () summarized FIA data into national estimates of growing-stock biomass.

Birdsey () derived volume-to-biomass ratios by comparing theCited by:   Volume and biomass equations are critical to improve the precision of volume, biomass, and carbon stock and changes.

This can be done in different ways: (1) Stratification is valuable, although there will always be the need to sample additional ecosystems or species with particular growth by: Total aboveground biomass removed between and from our measured plots was Mg, which equates to a yield of Mg ha −1 year −1 (SE = Mg ha −1 year −1) across the study area, and the total annual dry urban wood waste biomass yield is estimated at 24, dw Mg year −1 (i.e.

48, Mg year −1 of green biomass). The highest amount of total tree biomass removed was Cited by: Anaerobic Digestion converts organic matter to a mixture of methane, the major component of natural gas, and carbon dioxide. Biomass such as waterwaste (sewage), manure, or food processing waste, is mixed with water and fed into a digester tank without air.

Gasification biomass can be used to produce methane through heating or anaerobic. Appropriate forest management decisions for the developing woody biofuel and carbon credit markets require inventory and growth-and-yield systems reporting component tree dry weight biomass estimates.

We have developed an integrated growth-and-yield and biomass/carbon calculator. The objective was to provide Mississippi's State inventory system with bioenergy economic development Author: Emily B. Schultz, Thomas G. Matney, Donald L. Grebner. MOON INTERACTION – Vol.

I - Direct Combustion of Biomass - Ralph P. Overend ©Encyclopedia of Life Support Systems (EOLSS) such fuels. Nevertheless the majority of biomass used is a lignocellulosic fiber (wood, straws, stalks, nuts shells, etc.) The most common application of biomass energy in developing countries is its use as a.

Biomass estimation 10 Biomass equations and biomass expansion factors 11 Existing equations and their application 11 Research challenges 16 National forest inventory data in Norway 20 Background and present use of results 20 Sampling design 22 Volume and biomass estimation 23. Biomass Volume Estimation.

The National Biomass Estimator Library (NBEL) was developed by the Forest Management Service Center (FMSC) as a sister library to the National Volume Estimator Library (NVEL).

Both open-source libraries provided a standard interface for the inclusion of volume and biomass models into cruising, planning, and stand exam software and are available as Excel functions.Biomass Estimation Using the Component Ratio Method for White Oak.

Clara Lorraine DeYoung Abstract With higher demands on biomass, the ability to accurately estimate the amount in a stand is more important now than ever before. Existing models currently in use by the Forest Inventory and.Gross cubic foot volume must then be converted to sound cubic foot volume by subtracting rotten and missing cull volume.

Biomass is then calculated for individual tree components for each tree using the Component Ratio Method, with DBH and sound cubic foot volume as inputs.