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Individual Tree Diameter Growth Model For Northeastern United States
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Book Synopsis Individual-tree Diameter Growth Model for Northeastern United States by : Richard M. Teck
Download or read book Individual-tree Diameter Growth Model for Northeastern United States written by Richard M. Teck and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Individual-tree Diameter Growth Model for the Northeastern United States by : Richard M. Teck
Download or read book Individual-tree Diameter Growth Model for the Northeastern United States written by Richard M. Teck and published by . This book was released on 1991 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Individual-tree Probability of Survival Model for the Northeastern United States by : Richard M. Teck
Download or read book Individual-tree Probability of Survival Model for the Northeastern United States written by Richard M. Teck and published by . This book was released on 1990 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Individual-tree Diameter Growth Model for Managed, Even-aged, Upland Oak Stands by : Donald E. Hilt
Download or read book Individual-tree Diameter Growth Model for Managed, Even-aged, Upland Oak Stands written by Donald E. Hilt and published by . This book was released on 1983 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper NE written by and published by . This book was released on 1987 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the Northeastern Forest Experiment Station by : Northeastern Forest Experiment Station (Radnor, Pa.)
Download or read book Publications of the Northeastern Forest Experiment Station written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1991 with total page 1430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the Northeastern Forest Experiment Station, 1991 and 1992 by : Northeastern Forest Experiment Station (Radnor, Pa.)
Download or read book Publications of the Northeastern Forest Experiment Station, 1991 and 1992 written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1995 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the Northeastern Forest Experiment Station, 1989 and 1990 by : Northeastern Forest Experiment Station (Radnor, Pa.)
Download or read book Publications of the Northeastern Forest Experiment Station, 1989 and 1990 written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1992 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report NE written by and published by . This book was released on 1980 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings RMRS. written by and published by . This book was released on 1998 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Third Forest Vegetation Simulator Conference by :
Download or read book Third Forest Vegetation Simulator Conference written by and published by . This book was released on 2008 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Forest Vegetation Simulator (FVS) is a suite of computer modeling tools for predicting the long-term effects of alternative forest management actions. FVS was developed in the early 1980s and is used throughout the United Sates and British Columbia. The Third FVS conference, held February 13-15, 2007, in Fort Collins Colorado, contains 20 papers. They describe the use of FVS on the stand and landscape scale, and to analyze fuels management in the presence of insects and fire. Several papers compare FVS predictions of the effects of insects and disease to field measurements. FVS is continually evolving and improving in technology and capability to meet the needs of its ever increasing user community. Papers describe new methods for data acquisition and preparation for input to FVS, new economic analysis capabilities within FVS, new methods for simulating forest regeneration, new developments in calculating growth and mortality, and future plans for incorporating the effects of climate change in model simulations.
Download or read book Growth written by Vaclav Smil and published by MIT Press. This book was released on 2019-09-24 with total page 665 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic investigation of growth in nature and society, from tiny organisms to the trajectories of empires and civilizations. Growth has been both an unspoken and an explicit aim of our individual and collective striving. It governs the lives of microorganisms and galaxies; it shapes the capabilities of our extraordinarily large brains and the fortunes of our economies. Growth is manifested in annual increments of continental crust, a rising gross domestic product, a child's growth chart, the spread of cancerous cells. In this magisterial book, Vaclav Smil offers systematic investigation of growth in nature and society, from tiny organisms to the trajectories of empires and civilizations. Smil takes readers from bacterial invasions through animal metabolisms to megacities and the global economy. He begins with organisms whose mature sizes range from microscopic to enormous, looking at disease-causing microbes, the cultivation of staple crops, and human growth from infancy to adulthood. He examines the growth of energy conversions and man-made objects that enable economic activities—developments that have been essential to civilization. Finally, he looks at growth in complex systems, beginning with the growth of human populations and proceeding to the growth of cities. He considers the challenges of tracing the growth of empires and civilizations, explaining that we can chart the growth of organisms across individual and evolutionary time, but that the progress of societies and economies, not so linear, encompasses both decline and renewal. The trajectory of modern civilization, driven by competing imperatives of material growth and biospheric limits, Smil tells us, remains uncertain.
Book Synopsis Test of Four Stand Growth Simulators for the Northeastern United States by : Thomas M. Schuler
Download or read book Test of Four Stand Growth Simulators for the Northeastern United States written by Thomas M. Schuler and published by . This book was released on 1993 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: SILVAH, FIBER, NE-TWIGS, and OAKSIM simulators, commonly used in the northeastern United States, were evaluated by comparing predicted stand development with actual stand development records for periods ranging from 15 to 50 years. Results varied with stand parameter, forest type, projection length, and geographic area. Except in the spruce-fir forest type where FIBER stands out as the best simulator, no single simulator is clearly superior to the others for all locations within a forest type. In general, FIBER, NE-TWIGS, and SILVAH performed best in the northern hardwood (beech- birch-maple) forest type; NE-TWIGS and SILVAH performed best in the Allegheny hardwood (cherry-maple) forest type; SILVAH and OAKSIM performed best in the oak- hickory forest type; and SILVAH was most suitable in the transition hardwood (mixture of northern hardwoods and oaks) forest type. The results give growth and yield model users more information for selecting the simulator most suitable for their particular needs. The results also can be used as a diagnostic tool for growth and yield model development.
Download or read book The Compiler written by and published by . This book was released on 1993 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Constructing and Testing Logistic Regression Models for Binary Data by : Don O. Loftsgaarden
Download or read book Constructing and Testing Logistic Regression Models for Binary Data written by Don O. Loftsgaarden and published by . This book was released on 1992 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
