Individual Tree Diameter Growth Model For The Northeastern United States
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Individual Tree Diameter Growth Model For Northeastern United States
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Author : Richard M. Teck
language : en
Publisher:
Release Date : 1991
Individual Tree Diameter Growth Model For Northeastern United States written by Richard M. Teck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Forests and forestry categories.
S2Describes a species-specific, distance-independent individual-tree diameter growth model for the Northeastern United States. Diameter growth is predicted in two steps using a two parameter, sigmoidal growth function modified by a one parameter exponential decay function with species-specific coefficients. Coefficients are presented for 28 species groups. The model accounts for variability in annual diameter growth due to species, tree size, site quality, and the tree's competitive position within the stand. Model performance is evaluated using the mean predicted error and the root mean square error. Results are presented for the calibration data and an independent validation data set. The model has been, incorporated into NE-TWIGS, a computerized forest growth model for the Northeastern United States.S3.
Individual Tree Diameter Growth Model For The Northeastern United States
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Author : Richard M. Teck
language : en
Publisher:
Release Date : 1991
Individual Tree Diameter Growth Model For The Northeastern United States written by Richard M. Teck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Trees categories.
Individual Tree Diameter Growth Model For Managed Even Aged Upland Oak Stands
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Author : Donald E. Hilt
language : en
Publisher:
Release Date : 1983
Individual Tree Diameter Growth Model For Managed Even Aged Upland Oak Stands written by Donald E. Hilt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Oak categories.
Individual Tree Diameter Growth Model For Managed Even Aged Upland Oak Stands
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Author : Donald E. Hilt
language : en
Publisher:
Release Date : 1983
Individual Tree Diameter Growth Model For Managed Even Aged Upland Oak Stands written by Donald E. Hilt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Oak categories.
Individual Tree Probability Of Survival Model For The Northeastern United States
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Author : Richard M. Teck
language : en
Publisher:
Release Date : 1990
Individual Tree Probability Of Survival Model For The Northeastern United States written by Richard M. Teck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Forest productivity categories.
Describes a distance-independent individual-tree probability of survival model for the Northeastern United States. Survival is predicted using a six-parameter logistic function with species-specific coefficients. Coefficients are presented for 28 species groups. The model accounts for variability in annual survival due to species, tree size, site quality, and the tree's competitive position within the stand. Model performance is evaluated using the chi-square goodness-of-fit test. Results are presented for the calibration data and an independent validation data set. The model has been incorporated into NE-TWIGS.
Individual Tree Diameter Growth Model For Managed Even Aged Upland Oak Stands
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Author : Donald E. Hilt
language : en
Publisher:
Release Date : 1983
Individual Tree Diameter Growth Model For Managed Even Aged Upland Oak Stands written by Donald E. Hilt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Oak categories.
Diameter Growth Of Individual Hardwood Trees
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Author : George R. Trimble (Jr.)
language : en
Publisher:
Release Date : 1969
Diameter Growth Of Individual Hardwood Trees written by George R. Trimble (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Growth (Plants) categories.
S2Between 1959 and 1967 a study of d.b.h. growth rates was made on individual hardwood trees near Parsons, W. Va. From this study, we obtained information that will help foresters to predict growth. We learned that the correlation of the more easily used crown classification with d.b.h. growth is as good as or better than the correlation of vigor classes with d.b.h. growth. We discovered that when crown classes are identified, crown measurements such as width and length add practically nothing of predictive value. We established that tree d.b.h. is positively and strongly correlated with d.b.h. growth in these mixed hardwood stands. We learned that a measure of total surrounding basal area is not a good predictor of individual tree d.b.h. growth in these stands. We compiled annual d.b.h. growth by crown classes for several important species on several levels of forest site quality. In this report, d.b.h. growth is discussed in relationship to: (1) crown and vigor classes, (2) crown measurements, (3) initial d.b.h., (4) basal-area density, and (5) species and site quality. S3.
Publications Of The Northeastern Forest Experiment Station 1991 And 1992
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Author : Northeastern Forest Experiment Station (Radnor, Pa.)
language : en
Publisher:
Release Date : 1995
Publications Of The Northeastern Forest Experiment Station 1991 And 1992 written by Northeastern Forest Experiment Station (Radnor, Pa.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Forests and forestry categories.
Publications Of The Northeastern Forest Experiment Station
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Author : Northeastern Forest Experiment Station (Radnor, Pa.)
language : en
Publisher:
Release Date : 1985
Publications Of The Northeastern Forest Experiment Station written by Northeastern Forest Experiment Station (Radnor, Pa.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Forests and forestry categories.
Research Paper Ne
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Author :
language : en
Publisher:
Release Date : 1987
Research Paper Ne written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Forests and forestry categories.