2 edition of Remarks on height-diameter modeling found in the catalog.
Remarks on height-diameter modeling
2001 by U.S. Dept. of Agriculture, Forest Service, Southern Research Station in Asheville, NC .
Written in English
|Statement||Lei Yuancai and Bernard R. Parresol.|
|Series||Research note SRS -- 10.|
|Contributions||Parresol, Bernard R., United States. Forest Service. Southern Research Station.|
|The Physical Object|
|Pagination||5 p. :|
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Additional Physical Format: Lei, Yuancai. Remarks on height-diameter modeling (OCoLC) Online version: Yuancai, Lei. Remarks on height-diameter modeling. The relationship between height and diameter of a tree through time is a nonlinear, because growth of the height with respect to diameter increases rapidly.
Additional Physical Format: Lei, Yuancai. Remarks on height-diameter modeling 5 p. (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource. Remarks on Height-Diameter Modeling Forest Service Lei Yuancai and Bernard R.
Parresol' Southern Research Station Research Note SRS November Abstract Height-diameter model forms in earlier published papers are examined. The selection criteria used in height-diameter model forms are notCited by: Modeling height-diameter curves for prediction Article (PDF Available) in Canadian Journal of Forest Research April with 1, Reads How we measure 'reads'.
Lei Y, Parresol BR () Remarks on height-diameter modeling. USDA Forest Service, Asheville, Research Note SRS Google Scholar Lemin RC Jr, Burkhart HE () Predicting mortality after thinning in old-field loblolly pine : Harold E. Burkhart, Margarida Tomé. height-diameter relationships for different species and different forest regions.
As Krisnawati et al. () state, the approaches used for modeling height-diameter vary from linear to non-linear models. Curtis () compared thirteen height-diameter models using linear regression techniques. On the other hand, Huang et al. Remarks on height-diameter modeling / Lei Yuancai and Bernard R.
Parresol. Asheville, NC: U.S. Dept. of Agriculture, Forest Service, Southern Research Station,  SDA4 A Abstract. A generalized height–diameter (h-d) model was developed in order to predict the total height of individual trees in uneven-aged stands in the region of El Salto, Durango (Mexico).Seven generalized h-d equations were evaluated and the equation proposed by Sharma and Parton, which includes the diameter at breast height of the tree and the quadratic mean Cited by: the height-diameter data were gathered, whereas generalized height-diameter equations are a function of tree diameter and stand variables and can be applied at the regional level.
Height-diameter models are prin-cipally applied in height estimations in forest inv entories Generalized height-diameter and crown diameter prediction. Remarks on height-diameter modeling [electronic resource] / Lei Yuancai and Bernard R.
Parresol; White pine site index for the southern forest survey [microform] / Bernard R. Parresol and John S. Vissage; An investigation of crystalline intensity of the wood of poplar clones grown in Jiangsu Province, China.
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A p sc max. maximum semicircular pool area spilled onto the sea alongside the carrier (m 2). A p sc,cr max. critical value of the maximum semicircular pool area Cited by: 5. COMPREHENSIVE COVERAGE OF NONLINEAR PROGRAMMING THEORY AND ALGORITHMS, THOROUGHLY REVISED AND EXPANDED Nonlinear Programming: Theory and Algorithms —now in an extensively updated Third Edition—addresses the problem of optimizing an objective function in the presence of equality and inequality constraints.
Line We cannot use R2 to judge the nonlinear function. However, we can use empirical R2 as Eq. 12 suggested by citation # For additional reference see Saud et al. Using quadratic mean diameter and relative spacing index to enhance height–diameter and crown ratio models fitted to longitudinal data.
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The diameter at breast height (DBH) of all live trees (accuracy cm) was measured on all plots, as well as at 25 heights (H) (accuracy m) to build a local height–diameter model. From each stand, five model trees representing the entire diameter range were chosen proportionally to diameter classes and felled (90 trees in total).Cited by: 2.
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The total tree height is only measured on special sample plots, (i.e. every fourth plot) for the other plots, tree height is predicted from tree dbh by using a height-diameter function model. The objective is to obtain volume estimates for all the plots from tree diameter either measured or estimated tree height.
However, one could predict a similar range of values of the height–diameter exponent simply by considering the observed variability for trees of the height–age exponent in tablewhich range from – (leading to the range of values to ), if.
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