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Author : Caryl L. Elzinga,Daniel W. Salzer
Publisher : Unknown
Page : 496 pages
File Size : 49,6 Mb
Release : 1998
Category : Plant populations
ISBN : MINN:31951D01913908J
Author : Caryl L. Elzinga
Publisher : Unknown
Page : 128 pages
File Size : 50,5 Mb
Release : 1998*
Category : Plant populations
ISBN : LCCN:2003557537
Author : Caryl Elzinga,Daniel Salzer,John Willoughby
Publisher : Createspace Independent Publishing Platform
Page : 492 pages
File Size : 46,8 Mb
Release : 2015-01-02
Category : Electronic
ISBN : 1505683068
This technical reference applies to monitoring situations involving a single plant species, such as an indicator species, key species, or weed. It was originally developed for monitoring special status plants, which have some recognized status at the Federal, State, or agency level because of their rarity or vulnerability. Most examples and discussions in this technical reference focus on these special status species, but the methods described are also applicable to any single-species monitoring and even some community monitoring situations.We thus hope wildlife biologists, range conservationists, botanists, and ecologists will all find this technical reference helpful.
Author : Caryl L. Elzinga,Daniel W. Salzer,John W. Willoughby,James P. Gibbs
Publisher : John Wiley & Sons
Page : 368 pages
File Size : 50,5 Mb
Release : 2009-05-11
Category : Science
ISBN : 9781444313109
Monitoring Plant and Animal Populations offers an overviewof population monitoring issues that is accessible to the typicalfield biologist and land managers with a modest statisticalbackground. The text includes concrete guidelines for ecologists tofollow to design a statistically defensible monitoringprogram. User-friendly, practical guide, written in a highly readableformat. The authors provide an interdisciplinary scope to address thecurrent, widespread interest in monitoring in many environmentalfields, including pure and applied ecology, conservation biology,and wildlife management. Emphasizes the role of monitoring in adaptive management. Defines important terminology and contrasts monitoring withother data-collection activities. Covers the applicable principlesof sampling and shows how to design a monitoring project. Provides a step-by-step overview of the monitoring process,illustrated by flow charts and references. The authors also offerguidelines for analyzing and interpreting monitoring data. Illustrates the foundation of management objectives anddescribes their components, types, and development. Describes common field techniques for measuring importantattributes of animal and plant populations. Reviews different methods for recording monitoring data in thefield, managing the data, and communicating data to policymakers.
Author : Troy A. Wirth,David A. Pyke
Publisher : DIANE Publishing
Page : 94 pages
File Size : 41,9 Mb
Release : 2007
Category : Environmental monitoring
ISBN : 1422325806
Author : Caryl L. Elzinga,Angela G. Evenden
Publisher : DIANE Publishing
Page : 190 pages
File Size : 54,9 Mb
Release : 1998-05
Category : Electronic
ISBN : 0788148370
This annotated bibliography documents literature addressing the design and implementation of vegetation monitoring. It provides resources managers, ecologists, and scientists access to the great volume of literature addressing many aspects of vegetation monitoring: planning and objective setting, choosing vegetation attributes to measure, sampling design, sampling methods, statistical and graphical analysis, and communication of results. Over half of the 1400 references have been annotated. Keywords pertaining to the type of monitoring or method are included with each bibliographic entry. Keyword index.
Author : Thomas J. Stohlgren
Publisher : OUP USA
Page : 408 pages
File Size : 45,6 Mb
Release : 2007
Category : Science
ISBN : 9780195172331
Presenting sampling approaches, designs and field techniques for measuring plant diversity, this book lays out a range of methods for mapping and measuring species diversity.
Author : Danny Hunter
Publisher : Routledge
Page : 441 pages
File Size : 42,6 Mb
Release : 2012-06-25
Category : Nature
ISBN : 9781136538247
Crop wild relatives (CWR) are plant species which are more or less closely related to crops. They are a vital resource by providing a pool of genetic variation that can be used in breeding new and better adapted varieties of crops that are resistant to stress, disease, drought and other factors. They will be increasingly important in allowing crops to adapt to the impacts of climate, thus safeguarding future agricultural production. Until recently, the main conservation strategy adopted for CWR has been ex situ - through the maintenance of samples as seed or vegetative material in various kinds of genebank or other facilities. Now the need to conserve CWR in their natural surroundings (in situ) is increasingly recognized. Recent research co-ordinated by Bioversity International has produced a wealth of information on good practices and lessons learned for their effective conservation. This book captures the important practical experiences of countries participating in this work and describes them for the wider conservation community. It includes case studies and examples from Armenia, Bolivia, Madagascar, Sri Lanka and Uzbekistan, which are important centres of diversity for crop wild relatives, and covers four geographical regions - the Caucasus, South America, Africa and the Asia-Pacific Region. It provides practical, relevant information and guidance for the scaling-up of actions targeting CWR conservation around the world.
Author : Charles D. Bonham
Publisher : John Wiley & Sons
Page : 216 pages
File Size : 44,7 Mb
Release : 2013-04-16
Category : Science
ISBN : 9781118534526
Measurements for Terrestrial Vegetation, 2nd Edition presents up-to-date methods for analyzing species frequency, plant cover, density and biomass data. Each method is presented in detail with a full discussion of its strengths and weaknesses from field applications through statistical characteristics of bias and use of the correct probability distribution to describe and analyze data. This practical book also covers the use of satellite imagery to obtain measurement data on cover, density and biomass. Field data collection includes current applications of statistical sampling and analysis designs that should be used to obtain and analyze these data. This new and thoroughly updated edition of a classic text will be essential reading for everyone involved in measuring and assessing vegetation and plant biomass, including researchers and practitioners in vegetation science, plant ecology, forestry, global change scientists and conservation scientists. Provides a comprehensive catalogue of sampling, surveying and measuring techniques in vegetation science Updated to include new technologies and developments in the field New coverage of prediction models for large areas, including satellite mapping and remote sensing techniques Includes up-to-date applications of statistical sampling and analysis designs used to obtain and analyse data Reviews the strengths and weaknesses of each technique, allowing an informed choice of alternative approaches Clear diagrams to explain best-practice in methodology The companion website for this book can be found at www.wiley.com/go/bonham/measurements
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 51,9 Mb
Release : 1985
Category : Electronic
ISBN : OCLC:1087650265
Author : Richard Frankham,Jonathan D. Ballou,Katherine Ralls,Mark Derek Bruce Eldridge,Michele R. Dudash,Charles B. Fenster,Robert C. Lacy,Paul Sunnucks
Publisher : Oxford University Press
Page : 426 pages
File Size : 40,7 Mb
Release : 2017
Category : Biodiversity
ISBN : 9780198783398
One of the greatest unmet challenges in conservation biology is the genetic management of fragmented populations of threatened animal and plant species. More than a million small, isolated, population fragments of threatened species are likely suffering inbreeding depression and loss of evolutionary potential, resulting in elevated extinction risks. Although these effects can often be reversed by re-establishing gene flow between population fragments, managers very rarely do this. On the contrary, genetic methods are used mainly to document genetic differentiation among populations, with most studies concluding that genetically differentiated populations should be managed separately, thereby isolating them yet further and dooming many to eventual extinction Many small population fragments are going extinct principally for genetic reasons. Although the rapidly advancing field of molecular genetics is continually providing new tools to measure the extent of population fragmentation and its genetic consequences, adequate guidance on how to use these data for effective conservation is still lacking. This accessible, authoritative text is aimed at senior undergraduate and graduate students interested in conservation biology, conservation genetics, and wildlife management. It will also be of particular relevance to conservation practitioners and natural resource managers, as well as a broader academic audience of conservation biologists and evolutionary ecologists.
Author : Eric T. Jones,Rebecca Jean McLain,James F. Weigand
Publisher : Unknown
Page : 478 pages
File Size : 49,8 Mb
Release : 2002
Category : Business & Economics
ISBN : MINN:31951D02031353J
A quiet revolution is taking place in America's forests. Once seen primarily as stands of timber, our woodlands are now prized as a rich source of a wide range of commodities, from wild mushrooms and maple sugar to hundreds of medicinal plants whose uses have only begun to be fully realized. Now as timber harvesting becomes more mechanized and requires less labor, the image of the lumberjack is being replaced by that of the forager. This book provides the first comprehensive examination of nontimber forest products (NTFPs) in the United States, illustrating their diverse importance, describing the people who harvest them, and outlining the steps that are being taken to ensure access to them. As the first extensive national overview of NTFP policy and management specific to the United States, it brings together research from numerous disciplines and analytical perspectives-such as economics, mycology, history, ecology, law, entomology, forestry, geography, and anthropology—in order to provide a cohesive picture of the current and potential role of NTFPs. The contributors review the state of scientific knowledge of NTFPs by offering a survey of commercial and noncommercial products, an overview of uses and users, and discussions of sustainable management issues associated with ecology, cultural traditions, forest policy, and commerce. They examine some of the major social, economic, and biological benefits of NTFPs, while also addressing the potential negative consequences of NTFP harvesting on forest ecosystems and on NTFP species populations. Within this wealth of information are rich accounts of NTFP use drawn from all parts of the American landscape—from the Pacific Northwest to the Caribbean. From honey production to a review of nontimber forest economies still active in the United States—such as the Ojibway "harvest of plants" recounted here—the book takes in the whole breadth of recent NTFP issues, including ecological concerns associated with the expansion of NTFP markets and NTFP tenure issues on federally managed lands. No other volume offers such a comprehensive overview of NTFPs in North America. By examining all aspects of these products, it contributes to the development of more sophisticated policy and management frameworks for not only ensuring their ongoing use but also protecting the future of our forests.
Author : Anonim
Publisher : Unknown
Page : 174 pages
File Size : 44,8 Mb
Release : 2003
Category : Electronic
ISBN : NWU:35556034591719
Author : Bethany Schulz
Publisher : Unknown
Page : 60 pages
File Size : 51,7 Mb
Release : 2009
Category : Forest biodiversity
ISBN : MINN:31951D02938262W
The Vegetation Diversity and Structure Indicator (VEG) is an extensive inventory of vascular plants in the forests of the United States. The VEG indicator provides baseline data to assess trends in forest vascular plant species richness and composition, and the relative abundance and spatial distribution of those species, including invasive and introduced species. The VEG indicator is one of several sets of measures collected by the Forest Inventory and Analysis (FIA) Program of the USDA Forest Service to assess forest health. This document describes the sampling design, field data collection methods, primary output objectives, and estimation procedures for summarizing FIA VEG data.
Author : Abid A Ansari,Sarvajeet Singh Gill,Zahid Khorshid Abbas,M Naeem
Publisher : CABI
Page : 628 pages
File Size : 49,6 Mb
Release : 2016-12-23
Category : Nature
ISBN : 9781780646947
Results of regular monitoring of the species diversity and structure of plant communities is used by conservation biologists to help understand impacts of perturbations caused by humans and other environmental factors on ecosystems worldwide. Changes in plant communities can, for example, be a reflection of increased levels of pollution, a response to long-term climate change, or the result of shifts in land-use practices by the human population. This book presents a series of essays on the application of plant biodiversity monitoring and assessment to help prevent species extinction, ecosystem collapse, and solve problems in biodiversity conservation. It has been written by a large international team of researchers and uses case studies and examples from all over the world, and from a broad range of terrestrial and aquatic ecosystems. The book is aimed at any graduate students and researchers with a strong interest in plant biodiversity monitoring and assessment, plant community ecology, biodiversity conservation, and the environmental impacts of human activities on ecosystems.