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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)
Download or read book Sampling and Estimation Documentation for the Enhanced Forest Inventory and Analysis Program, 2022 written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Sampling and Estimation Documentation for the Enhanced Forest Inventory and Analysis Program: 2022 written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Forest Inventory and Analysis (FIA) program of the Forest Service, an Agency of the U.S. Department of Agriculture, provides what is arguably the most valuable forest resource dataset in the United States. These data are the basis for numerous inquiries across a wide range of forest-related attributes at various spatial and temporal scales. While user-friendly analytical tools are publicly available to facilitate the use of the data without expert knowledge, there is a need for detailed documentation of the underlying sampling and estimation procedures. The audience for this information entails the entire spectrum of both internal and external FIA data consumers. This document clarifies some aspects of existing documentation, provides the sampling and estimation methods used for key program areas including Urban FIA, National Woodland Owner Survey, Timber Products Output, and Carbon, and provides an examination of burgeoning estimation topics relevant to the FIA program and its users. A broad overview is provided on several advanced estimation approaches of particular interest to the FIA community. While the exposition for each topic is necessarily coarse, links to more detailed research and informational material are provided for readers desiring to further study a specific area of interest.
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ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Enhanced Forest Inventory and Analysis Program--national Sampling Design and Estimation Procedures written by and published by . This book was released on 2005 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Forest Inventory and Analysis (FIA) Program of the U.S. Department of Agriculture, Forest Service is in the process of moving from a system of quasi-independent, regional, periodic inventories to an enhanced program featuring greater national consistency, a complete and annual sample of each State, new reporting requirements, and integration with the ground sampling component of the Forest Health Monitoring Program. This documentation presents an overview of the conceptual design, describes the sampling frame and plot configuration, presents the estimators that form the basis of FIA's National Information Management System (NIMS), and shows how annual data are combined for analysis. It also references a number of Web-based supplementary documents that provide greater detail about some of the more obscure aspects of the sampling and estimation system, as well as examples of calculations for most of the common estimators produced by FIA.
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ISBN 13 :
Total Pages : 85 pages
Book Rating : 4.:/5 (11 download)
Download or read book The Enhanced Forest Inventory and Analysis Program--national Sampling Design and Estimation Procedures written by and published by . This book was released on 2005 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 85 pages
Book Rating : 4.:/5 (612 download)
Download or read book The Enhanced Forest Inventory and Analysis Program--national Sampling Design and Estimation Procedures written by and published by . This book was released on 2005 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher Woodall
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (319 download)
Download or read book Sampling Protocol, Estimation, and Analysis Procedures for the Down Woody Materials Indicator of the FIA Program written by Christopher Woodall and published by . This book was released on 2005 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the rationale and context for a national inventory of down woody material. Documents the various woody material components sampled by the DWM indicator, the sampling protocol used to measure the DWM components, and estimation procedures. Provides guidance on managing and processing DWM data and incorporating that data into pertinent inventory analyses and research projects.
Author : Richard A. Birdsey
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.X/5 (2 download)
Download or read book An Overview of Forest Inventory and Analysis Estimation Procedures in the Eastern United States written by Richard A. Birdsey and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barry Wilson
Publisher : Frontiers Media SA
ISBN 13 : 2832516475
Total Pages : 198 pages
Book Rating : 4.8/5 (325 download)
Download or read book Small area estimation in forest inventories: New needs, methods, and tools written by Barry Wilson and published by Frontiers Media SA. This book was released on 2023-04-17 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans T. Schreuder
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)
Download or read book Annual Design-based Estimation for the Annualized Inventories of Forest Inventory and Analysis written by Hans T. Schreuder and published by . This book was released on 2000 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Woodall
Publisher : CreateSpace
ISBN 13 : 9781507850176
Total Pages : 56 pages
Book Rating : 4.8/5 (51 download)
Download or read book Sampling Protocol, Estimation, and Analysis Procedures for the Down Woody Materials Indicator of the Fia Program written by Woodall and published by CreateSpace. This book was released on 2015-02-14 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest ecosystems are more than just assemblages of trees. They are associations of flora, fauna, and abiotic entities, mineral coesxisting in complex unity, In recognition of this fact, the FIA program of the USDA Forest Service conducts an inventory of our Nations forest ecosystems that not only estimates tree components, but also inventories numerous non timber ecosystem attributes
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ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.:/5 (319 download)
Download or read book State-of-the-art Methodology of Forest Inventory written by and published by . This book was released on 1990 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Mandallaz
Publisher : CRC Press
ISBN 13 : 1584889772
Total Pages : 273 pages
Book Rating : 4.5/5 (848 download)
Download or read book Sampling Techniques for Forest Inventories written by Daniel Mandallaz and published by CRC Press. This book was released on 2007-10-26 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sound forest management planning requires cost-efficient approaches to optimally utilize given resources. Emphasizing the mathematical and statistical features of forest sampling to assess classical dendrometrical quantities, Sampling Techniques for Forest Inventories presents the statistical concepts and tools needed to conduct a modern for
Author : Gregory A. Reams
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the Second Annual Forest and Inventory Symposium written by Gregory A. Reams and published by . This book was released on 2001 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Documents progress in developing techniques in remote sensing, statistics, information management, and analysis required for full implementation of the national Forest Inventory and Analysis programgass annual forest inventory system.
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ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.X/5 (2 download)
Download or read book A Blueprint for Forest Inventory and Analysis Research and Vision for the Future written by and published by . This book was released on 1993 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans T. Schreuder
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (456 download)
Download or read book Annual Design-based Estimation for the Annualized Inventories of Forest Inventory and Analysis written by Hans T. Schreuder and published by . This book was released on 2000 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Forest Inventory and Analysis units in the USDA Forest Service have been mandated by Congress to go to an annualized inventory where a certain percentage of plots, say 20 percent, will be measured in each State each year. Although this will result in an annual sample size that will be too small for reliable inference for many areas, it is a sufficiently large sample to draw annual inferences for large areas in terms of what is there and how much has changed on an annual basis. This is extremely useful in estimating the state of the forest in the country over time in terms of health, timber supply, and so forth. The formula for estimating sample size required is: [mathematical equation] where s2 is the estimated variance for parameter estimates [mathematical equation], and p is the desired level of precision expressed as percent of [symbol] . We conclude that for p = 5 percent, based on sampling 1 ha plots on all National Forests in Oregon and Washington, that a sample size of 9,400 plots with a corresponding area of 22,560,000 ha, about the size of the State of Idaho, is sufficient to draw annual inferences. Alternatively, an area of 1,000,000 ha requires a sample size of 417 plots. Clearly p = 5 percent is a tough specification. If we go to p = 10 percent, which may be adequate for many purposes, we require one-fourth the sample size above, or 2,350 plots representing an area of about 5,640,000 ha, about the size of West Virginia (24,070 square miles). With this specification, a sample of 2,350 plots would give adequate precision.
Author : James A. Westfall
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (868 download)
Download or read book Conducting Tests for Statistically Significant Differences Using Forest Inventory Data written by James A. Westfall and published by . This book was released on 2013 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many forest inventory and monitoring programs are based on a sample of ground plots from which estimates of forest resources are derived. In addition to evaluating metrics such as number of trees or amount of cubic wood volume, it is often desirable to make comparisons between resource attributes. To properly conduct statistical tests for differences, it is imperative that analysts fully understand the underlying sampling design and estimation methods, particularly identifying situations where the estimates being compared do not arise from independent samples. Information from the Forest Inventory and Analysis (FIA) program of the U.S. Forest Service was used to demonstrate circumstances where samples were not independent, and correct calculation of the standard error (and associated confidence intervals) required accounting for covariance. Failure to include the covariance when making comparisons between attributes resulted in standard errors that were too small. Conversely, comparisons of the same attribute at two points in time suffered from exaggerated standard errors when the covariance was excluded. The results indicated the effect of the covariance depends on the attribute of interest as well as the structure of the population being sampled.
Author : Barry D. Shiver
Publisher : Wiley
ISBN 13 : 9780471109402
Total Pages : 368 pages
Book Rating : 4.1/5 (94 download)
Download or read book Sampling Techniques for Forest Resource Inventory written by Barry D. Shiver and published by Wiley. This book was released on 1995-12-21 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clearly explains the sampling methods associated with the inventory of forest resources. It avoids extensive coverage of theoretical statistics and mathematics in favor of thorough coverage of forest inventory topics for the practitioner.
