Sampling Methods In Forestry And Range Management
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Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 201 |
Release | : 1994-02-01 |
Genre | : Technology & Engineering |
ISBN | : 0309048796 |
Rangelands comprise between 40 and 50 percent of all U.S. land and serve the nation both as productive areas for wildlife, recreational use, and livestock grazing and as watersheds. The health and management of rangelands have been matters for scientific inquiry and public debate since the 1880s, when reports of widespread range degradation and livestock losses led to the first attempts to inventory and classify rangelands. Scientists are now questioning the utility of current methods of rangeland classification and inventory, as well as the data available to determine whether rangelands are being degraded. These experts, who are using the same methods and data, have come to different conclusions. This book examines the scientific basis of methods used by federal agencies to inventory, classify, and monitor rangelands; it assesses the success of these methods; and it recommends improvements. The book's findings and recommendations are of interest to the public; scientists; ranchers; and local, state, and federal policymakers.
Author | : William R. Meehan |
Publisher | : |
Total Pages | : 792 |
Release | : 1991 |
Genre | : Nature |
ISBN | : |
Author | : U. S Department U.S Department of Agriculture |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 172 |
Release | : 2015-01-03 |
Genre | : |
ISBN | : 9781505439243 |
Identifying the appropriate sampling technique first requires the identification of the proper vegetation characteristic or attribute to measure. To do this the examiner must consider objectives, life form (grass, forb, shrub, or tree), distribution patterns of individuals of a species, distribution patterns between species (community mosaic pattern), efficiency of data collection from an economic standpoint, and accuracy and precision of the data.
Author | : |
Publisher | : |
Total Pages | : 192 |
Release | : 1959 |
Genre | : Forest canopies |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1160 |
Release | : 1949 |
Genre | : Fishies |
ISBN | : |
Author | : Brenda McComb |
Publisher | : CRC Press |
Total Pages | : 300 |
Release | : 2010-03-11 |
Genre | : Science |
ISBN | : 1420070584 |
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 | : |
Publisher | : |
Total Pages | : 202 |
Release | : 1981 |
Genre | : Forests and forestry |
ISBN | : |
Author | : Annika Kangas |
Publisher | : Springer Science & Business Media |
Total Pages | : 368 |
Release | : 2006-02-19 |
Genre | : Technology & Engineering |
ISBN | : 1402043813 |
This book has been developed as a forest inventory textbook for students and could also serve as a handbook for practical foresters. We have set out to keep the mathematics in the book at a fairly non-technical level, and therefore, although we deal with many issues that include highly sophisticated methodology, we try to present first and foremost the ideas behind them. For foresters who need more details, references are given to more advanced scientific papers and books in the fields of statistics and biometrics. Forest inventory books deal mostly with sampling and measurement issues, as found here in section I, but since forest inventories in many countries involve much more than this, we have also included material on forestry applications. Most applications nowadays involve remote sensing technology of some sort, so that section II deals mostly with the use of remote sensing material for this purpose. Section III deals with national inventories carried out in different parts of world, and section IV is an attempt to outline some future possibilities of forest inventory methodologies. The editors, Annika Kangas Professor of Forest Mensuration and Management, Department of Forest Resource Management, University of Helsinki. Matti Maltamo Professor of Forest Mensuration, Faculty of Forestry, University of Joensuu. ACKNOWLEDGEMENTS
Author | : Daniel Mandallaz |
Publisher | : CRC Press |
Total Pages | : 273 |
Release | : 2007-10-26 |
Genre | : Mathematics |
ISBN | : 1584889772 |
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 | : U.S. Fish and Wildlife Service |
Publisher | : |
Total Pages | : 554 |
Release | : 1950 |
Genre | : Game protection |
ISBN | : |