Predicting the Probability of Individual Tree Mortality for Seven Major Commercial Species in South/central Idaho PDF Download
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Author: Jessica Mae Josephs
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 98
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Author: Jessica Mae Josephs
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 98
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Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1468451979
Category : Science
Languages : en
Pages : 407
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: David A. Hamilton
Publisher:
ISBN:
Category : Log-linear models
Languages : en
Pages : 28
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Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 388
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 632
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 370
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Author:
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 368
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Author: David Alexander Hamilton Jr.
Publisher: Forgotten Books
ISBN: 9781390423839
Category : Mathematics
Languages : en
Pages : 34
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Excerpt from Modeling the Probability of Individual Tree Mortality The mortality model can be used to help schedule management activities. Stands of trees for which the model predicts high mortality rates should be considered high risk stands susceptible to insect and disease outbreaks and should be logged, salvaged, or otherwise treated before stands composed of trees with low predicted mortality rates. Mortality models also reveal relationships that may provide a better understanding of how and why mortality occurs in a stand. This information is valuable in management planning and in developing strategies to control mortality. The models discussed in this paper were developed by means of a three - step analy sis. The first step is to screen the independent variables for those that show the strongest relationships to the probability of mortality. The variables selected as most significant by the screening algorithm are used as predictors of the probability of mortality in a logistic model. The regression coefficients for this model are then estimated by a nonlinear regression program, risk (hamilton The final step, model verification, employs a chi-square statistic to evaluate the accuracy with which the proposed model predicts the mortality that occurred on an independent data set. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Richard M. Teck
Publisher:
ISBN:
Category : Forest productivity
Languages : en
Pages : 16
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Book Description
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.
Author: Roland G. Buchman
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 12
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