Log Sampling Methods And Software For Stand An Dlandscape Analyses PDF Download
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Author | : |
Publisher | : |
Total Pages | : 102 |
Release | : 2008 |
Genre | : Forest ecology |
ISBN | : |
Download Log Sampling Methods and Software for Stand and Landscape Analyses Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 93 |
Release | : 2008 |
Genre | : Forest ecology |
ISBN | : |
Download Log Sampling Methods and Software for Stand and Landscape Analyses Book in PDF, ePub and Kindle
Author | : United State Department of Agriculture |
Publisher | : CreateSpace |
Total Pages | : 98 |
Release | : 2015-06-26 |
Genre | : |
ISBN | : 9781508723806 |
Download Log Sampling Methods and Software for Stand and Landscape Analyses Book in PDF, ePub and Kindle
We describe methods for efficient, accurate sampling of logs at landscape and stand scales to estimate density, total length, cover, volume, and weight. Our methods focus on optimizing the sampling effort by choosing an appropriate sampling method and transect length for specific forest conditions and objectives. Sampling methods include the line-intersect method and the strip-plot method. Which method is better depends on the variable of interest, log quantities, desired precision, and forest conditions. Two statistical options are available. The first requires sampling until a desired precision level is obtained.
Author | : Lisa J. Bate |
Publisher | : |
Total Pages | : 93 |
Release | : 2008 |
Genre | : |
ISBN | : |
Download Log Sampling Methods and Software for Stand an Dlandscape Analyses Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 88 |
Release | : 2008 |
Genre | : Forest ecology |
ISBN | : |
Download SnagPRO Book in PDF, ePub and Kindle
Author | : Brenda McComb |
Publisher | : CRC Press |
Total Pages | : 300 |
Release | : 2010-03-11 |
Genre | : Science |
ISBN | : 1420070584 |
Download Monitoring Animal Populations and Their Habitats Book in PDF, ePub and Kindle
In the face of so many unprecedented changes in our environment, the pressure is on scientists to lead the way toward a more sustainable future. Written by a team of ecologists, Monitoring Animal Populations and Their Habitats: A Practitioner’s Guide provides a framework that natural resource managers and researchers can use to design monitoring programs that will benefit future generations by distilling the information needed to make informed decisions. In addition, this text is valuable for undergraduate- and graduate-level courses that are focused on monitoring animal populations. With the aid of more than 90 illustrations and a four-page color insert, this book offers practical guidance for the entire monitoring process, from incorporating stakeholder input and data collection, to data management, analysis, and reporting. It establishes the basis for why, what, how, where, and when monitoring should be conducted; describes how to analyze and interpret the data; explains how to budget for monitoring efforts; and discusses how to assemble reports of use in decision-making. The book takes a multi-scaled and multi-taxa approach, focusing on monitoring vertebrate populations and upland habitats, but the recommendations and suggestions presented are applicable to a variety of monitoring programs. Lastly, the book explores the future of monitoring techniques, enabling researchers to better plan for the future of wildlife populations and their habitats. Monitoring Animal Populations and Their Habitats: A Practitioner’s Guide furthers the goal of achieving a world in which biodiversity is allowed to evolve and flourish in the face of such uncertainties as climate change, invasive species proliferation, land use expansion, and population growth.
Author | : Robert E. Keane |
Publisher | : |
Total Pages | : 50 |
Release | : 2007 |
Genre | : Coarse woody debris |
ISBN | : |
Download The Photoload Sampling Technique Book in PDF, ePub and Kindle
Fire managers need better estimates of fuel loading so they can more accurately predict the potential fire behavior and effects of alternative fuel and ecosystem restoration treatments. This report presents a new fuel sampling method, called the photoload sampling technique, to quickly and accurately estimate loadings for six common surface fuel components (1 hr, 10 hr, 100 hr, and 1000 hr downed dead woody, shrub, and herbaceous fuels). This technique involves visually comparing fuel conditions in the field with photoload sequences to estimate fuel loadings. Photoload sequences are a series of downward-looking and close-up oblique photographs depicting a sequence of graduated fuel loadings of synthetic fuelbeds for each of the six fuel components. This report contains a set of photoload sequences that describe the range of fuel component loadings for common forest conditions in the northern Rocky Mountains of Montana, USA to estimate fuel loading in the field. A companion publication (RMRS-RP-61CD) details the methods used to create the photoload sequences and presents a comprehensive evaluation of the technique.
Author | : Laura J. Dickinson |
Publisher | : CreateSpace |
Total Pages | : 34 |
Release | : 2015-06-25 |
Genre | : |
ISBN | : 9781511539722 |
Download Development and Evaluation of the Photoload Sampling Technique Book in PDF, ePub and Kindle
Wildland fire managers need better estimates of fuel loading so they can accurately predict potential fire behavior and effects of alternative fuel and ecosystem restoration treatments. This report presents the development and evaluation of a new fuel sampling method, called the photoload sampling technique, to quickly and accurately estimate loadings for six common surface fuel components using downward looking and oblique photographs depicting a sequence of graduated fuel loadings of synthetic fuelbeds. This report details the methods used to construct the photoload sequences (series of photos depicting gradually increasing loadings) for the six fuel components. A companion paper (RMRS-GTR-190) presents the set of photoload sequences developed from this study for common fuelbed conditions found in the northern Rocky Mountains of Montana, USA, along with a detailed sampling protocol that can be used with these photoload picture series to estimate fuel component loadings in the field at various levels of effort and scale. An evaluation of the photoload sampling technique was conducted where 29 participants were asked to estimate loadings for the six fuel components on five sites using the photoload technique. These visual estimates were compared with actual measured loadings to obtain estimates of accuracy and precision. We found that photoload estimates consistently underestimated fuel loadings (average bias 0.182 kg m-2 or 0.8 tons acre-1) but the error of the estimate (0.018 kg m-2 or 0.08 tons acre-1) was within 10 to 50 percent of the mean depending on fuel component. We also found that accuracy and precision of the photoload estimates increased with increasing field experience and also with increasing fuel loadings.
Author | : M.R. Carter |
Publisher | : CRC Press |
Total Pages | : 1264 |
Release | : 2007-08-03 |
Genre | : Science |
ISBN | : 1420005278 |
Download Soil Sampling and Methods of Analysis Book in PDF, ePub and Kindle
Thoroughly updated and revised, this second edition of the bestselling Soil Sampling and Methods of Analysis presents several new chapters in the areas of biological and physical analysis and soil sampling. Reflecting the burgeoning interest in soil ecology, new contributions describe the growing number and assortment of new microbiological
Author | : |
Publisher | : |
Total Pages | : 204 |
Release | : 1981 |
Genre | : Flood forecasting |
ISBN | : |
Download Guidelines for Determining Flood Flow Frequency Book in PDF, ePub and Kindle