Estimating Tree Biomass Carbon And Nitrogen In Two Vegetation Control Treatments In An 11 Year Old Douglas Fir Plantation On A Highly Productive Site

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Estimating Tree Biomass, Carbon, and Nitrogen in Two Vegetation Control Treatments in an 11-year-old Douglas-fir Plantation on a Highly Productive Site

Author : Warren D. Devine
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (855 download)

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Book Synopsis Estimating Tree Biomass, Carbon, and Nitrogen in Two Vegetation Control Treatments in an 11-year-old Douglas-fir Plantation on a Highly Productive Site by : Warren D. Devine

Download or read book Estimating Tree Biomass, Carbon, and Nitrogen in Two Vegetation Control Treatments in an 11-year-old Douglas-fir Plantation on a Highly Productive Site written by Warren D. Devine and published by . This book was released on 2013 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: We sampled trees grown with and without competing vegetation control in an 11-year-old Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) plantation on a highly productive site in southwestern Washington to create diameter- based allometric equations for estimating individual-tree bole, branch, foliar, and total aboveground biomass. We used these equations to estimate per-hectare aboveground biomass, nitrogen (N), and carbon (C) content, and compared these results to (1) estimates based on biomass equations published in other studies, and (2) estimates made using the mean-tree method rather than allometric equations. Component and total-tree biomass equations were not influenced by the presence of vegetation control, although per-hectare biomass, C, and N estimates were greater where vegetation control was applied. Our biomass estimates differed from estimates using previously published biomass equations by as much as 23 percent. When using the mean-tree biomass estimation approach, we found that incorporating a previously published biomass equation improved accuracy of the mean-tree diameter calculation.

Research Paper PNW.

Author :
Publisher :
ISBN 13 :
Total Pages : 278 pages
Book Rating : 4.:/5 (11 download)

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Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Harvest Intensity and Competing Vegetation Control Have Little Effect on Soil Carbon and Nitrogen Pools in a Pacific Northwest Douglas-fir Plantation

Download Harvest Intensity and Competing Vegetation Control Have Little Effect on Soil Carbon and Nitrogen Pools in a Pacific Northwest Douglas-fir Plantation PDF Online Free

Author : Erika J. Knight
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (88 download)

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Book Synopsis Harvest Intensity and Competing Vegetation Control Have Little Effect on Soil Carbon and Nitrogen Pools in a Pacific Northwest Douglas-fir Plantation by : Erika J. Knight

Download or read book Harvest Intensity and Competing Vegetation Control Have Little Effect on Soil Carbon and Nitrogen Pools in a Pacific Northwest Douglas-fir Plantation written by Erika J. Knight and published by . This book was released on 2013 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing demand for timber as well as current interest in the use of woody biomass for energy and chemical production may result in higher quantities of organic matter removal from plantation forests than currently occurs during harvesting. Two practices that can increase the yield of woody biomass from a harvest site are (1) the application of herbicides to control competing vegetation and improve crop tree growth and (2) the removal of branches and foliage (slash) in addition to the bole during harvest. The potential of these practices to change pools of soil carbon and nitrogen necessitates an evaluation of how management practices affect soil quality and carbon sequestration. In this study, soil carbon and nitrogen were measured to a depth of one meter in a 12-year-old Douglas-fir (Pseudotsuga menziesii) plantation at the Fall River Long-term Soil Productivity site in western Washington. The effects of vegetation control (bole-only harvest with versus without annual herbicide application, BO+VC vs. BO-VC) and harvest intensity (bole-only harvest with vegetation control versus total tree plus harvest with vegetation control, BO+VC vs. TTP+VC) on soil carbon and nitrogen were compared. Forest floor and mineral soil samples in six depth increments (forest floor, 0-15 cm, 15-30 cm, 30-45 cm, 45-60 cm, and 60-100 cm) were collected at 12 years following planting of seedlings. Carbon and nitrogen concentrations for the forest floor and the fraction of mineral soil

Environment Abstracts Annual

Author :
Publisher :
ISBN 13 :
Total Pages : 1216 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Environment Abstracts Annual by :

Download or read book Environment Abstracts Annual written by and published by . This book was released on 1992 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This database encompasses all aspects of the impact of people and technology on the environment and the effectiveness of remedial policies and technologies, featuring more than 950 journals published in the U.S. and abroad. The database also covers conference papers and proceedings, special reports from international agencies, non-governmental organizations, universities, associations and private corporations. Other materials selectively indexed include significant monographs, government studies and newsletters.

Agrindex

Author :
Publisher :
ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.E/5 ( download)

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Download or read book Agrindex written by and published by . This book was released on 1995 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Douglas-fir (Pseudotsuga Menziessi)

Author : Harold Scofield Betts
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Douglas-fir (Pseudotsuga Menziessi) by : Harold Scofield Betts

Download or read book Douglas-fir (Pseudotsuga Menziessi) written by Harold Scofield Betts and published by . This book was released on 1960 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Forestry Bibliography 1981-84: Indexes

Author :
Publisher :
ISBN 13 :
Total Pages : 920 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Forestry Bibliography 1981-84: Indexes by :

Download or read book Forestry Bibliography 1981-84: Indexes written by and published by . This book was released on 1985 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Forest Biomass

Author : T. Satoo
Publisher : Springer Science & Business Media
ISBN 13 : 9400976275
Total Pages : 160 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Forest Biomass by : T. Satoo

Download or read book Forest Biomass written by T. Satoo and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lord Rutherford has said that all science is either physics or stamp collecting. On that basis the study of forest biomass must be classified with stamp collecting and other such pleasurable pursuits. Japanese scientists have led the world, not only in collecting basic data, but in their attempts to systematise our knowledge of forest biomass. They have studied factors affecting dry matter production of forest trees in an attempt to approach underlying phYf'ical principles. This edition of Professor Satoo's book has been made possible the help of Dr John F. Hosner and the Virginia Poly technical Institute and State University who invited Dr Satoo to Blacksburg for three months in 1973 at about the time when he was in the final stages of preparing the Japanese version. Since then the explosion of world literature on forest biomass has continued to be fired by increasing shortages of timber supplies in many parts of the world as well as by a need to explore renewable sources of energy. In revising the original text I have attempted to maintain the input of Japanese work - much of which is not widely available outside Japan - and to update both the basic information and, where necessary, the conclusions to keep them in tune with current thinking. Those familiar with the Japanese original will find Chapter 3 largely rewritten on the basis of new work - much of which was initiated while Dr Satoo was in Blacksburg.

Forest Biometrics

Author : Michail Prodan
Publisher : Elsevier
ISBN 13 : 1483156559
Total Pages : 461 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Forest Biometrics by : Michail Prodan

Download or read book Forest Biometrics written by Michail Prodan and published by Elsevier. This book was released on 2013-10-22 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest Biometrics presents the methods of mathematical statistics and biometrics that are significant to forestry. This book explores other fields related to forestry, which are explained with the help of a large number of practical examples. Organized into 25 chapters, this book starts with an overview of the variety of data that play a significant role in forest management, including the age of trees, the damage caused by storms, the fluctuation of timber prices, bark beetle infestation, and timber volume. This text then examines the factors that are responsible for a random distribution of the values in biological experimentation. Other chapters consider the important advantages of sample surveys compared to complete enumerations, include cheaper samples, wider applicability, quick results, and greater accuracy. The final chapter deals with the factors to be considered in determining the best time for harvesting of timber. This book is a valuable resource for students, research project leaders, and practical workers.

Canadian Journal of Forest Research

Author :
Publisher :
ISBN 13 :
Total Pages : 800 pages
Book Rating : 4.3/5 (21 download)

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Download or read book Canadian Journal of Forest Research written by and published by . This book was released on 2002 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Agronomy Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 976 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Agronomy Abstracts by :

Download or read book Agronomy Abstracts written by and published by . This book was released on 1993 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).

Biological & Agricultural Index

Author :
Publisher :
ISBN 13 :
Total Pages : 2984 pages
Book Rating : 4.0/5 ( download)

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Download or read book Biological & Agricultural Index written by and published by . This book was released on 1997 with total page 2984 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Index Medicus

Author :
Publisher :
ISBN 13 :
Total Pages : 1540 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Index Medicus by :

Download or read book Index Medicus written by and published by . This book was released on 2002 with total page 1540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.

The Global Forest Sector

Author : Eric Hansen
Publisher : CRC Press
ISBN 13 : 1439879273
Total Pages : 480 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis The Global Forest Sector by : Eric Hansen

Download or read book The Global Forest Sector written by Eric Hansen and published by CRC Press. This book was released on 2013-12-04 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Changes in production, demand, supply, and trade patterns; the impact of green building and bioenergy on industry practices and policy infrastructure; and new economies with production advantages and large consumption bases all present challenges and opportunities in the forest sector. With contributions from leading experts in academia and professional organizations, The Global Forest Sector: Changes, Practices, and Prospects fills a gap in the literature that is preventing students, scholars, and policy makers from developing a timely, structured, big-picture view of forest sector business. In addition, the book reviews current thinking on a wide variety of business management issues in the forest sector. The book covers managing change in the global forest sector and the impact of globalization on forest users. It discusses markets and market forces, new products and product categories, and the influence of China and Russia. The book then examines the environmental paradigm, including environmental activism, sustainability, and the impact of green building and bioenergy. The book concludes with coverage of the role of information technology, corporate social responsibility, innovation, and next steps. Overall, this book helps readers both develop a bird’s eye view of the changes surrounding the forest sector as well as have a magnified view of numerous managerial issues associated with these changes. The content paints a picture of the current and changing forest sector including the state of forests, the nature of markets, the newly emerged patterns of stakeholder impact, and evolution of key business practices. It provides the foundation needed to develop the conservation-based economy required for future success in the global forest sector.

Sustainable Management of Pinus Radiata Plantations

Author : Donald J. Mead
Publisher : Food & Agriculture Organization of the UN (FAO)
ISBN 13 : 9789251076347
Total Pages : 0 pages
Book Rating : 4.0/5 (763 download)

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Book Synopsis Sustainable Management of Pinus Radiata Plantations by : Donald J. Mead

Download or read book Sustainable Management of Pinus Radiata Plantations written by Donald J. Mead and published by Food & Agriculture Organization of the UN (FAO). This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Pinus radiata (radiata pine) is a versatile, fast-growing, medium-density softwood, suitable for a wide range of end-uses. Its silviculture is highly developed, and is built on a rm foundation of over a century of research, observation and practice. Radiata pine is often considered a model for growers of other plantation species. This book explores current knowledge of, and experience with radiata pine forest plantation management and examines its long-term sustainability. Radiata pine management needs to integrate the biological aspects of tree-growing, with socio-economics, management objectives, practical considerations and other constraints and opportunities. Although stands of radiata pine may appear to be simple, they are actually quite complex ecosystems because they contain large, long-lived trees that change dramatically over time and interact in changing ways with the environment and with other organisms. The focus of this book is on the principles and practices of growing radiata pine sustainably. It also looks ahead to emerging challenges facing radiata pine plantation management, such as the effects of climate change, new diseases and other threats, and meeting changing product needs and societal demands."--Page 4 of cover.

Nutrition of Eucalypts

Author : PM Attiwill
Publisher : CSIRO PUBLISHING
ISBN 13 : 0643105921
Total Pages : 660 pages
Book Rating : 4.6/5 (431 download)

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Book Synopsis Nutrition of Eucalypts by : PM Attiwill

Download or read book Nutrition of Eucalypts written by PM Attiwill and published by CSIRO PUBLISHING. This book was released on 1996-01-01 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most eucalypts grow naturally on soils low in fertility. Commercial plantations of eucalypts have been established around the world over a range of climates and soils. These two themes are central to this book. Nutrition of Eucalypts provides a comprehensive survey of nutritional ecology of eucalypts in their natural environment and in plantations. The authors, who are all at the forefront of research and development in their fields, are from the various eucalypt growing regions including Brazil, India, China, Spain and Australia. Their text aims at a state-of-the-art presentation. The book includes a key and descriptions for recognising nutrient deficiencies in eucalypts.

Negative Emissions Technologies and Reliable Sequestration

Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309484529
Total Pages : 511 pages
Book Rating : 4.3/5 (94 download)

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Book Synopsis Negative Emissions Technologies and Reliable Sequestration by : National Academies of Sciences, Engineering, and Medicine

Download or read book Negative Emissions Technologies and Reliable Sequestration written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-04-08 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: To achieve goals for climate and economic growth, "negative emissions technologies" (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climate change. Unlike carbon capture and storage technologies that remove carbon dioxide emissions directly from large point sources such as coal power plants, NETs remove carbon dioxide directly from the atmosphere or enhance natural carbon sinks. Storing the carbon dioxide from NETs has the same impact on the atmosphere and climate as simultaneously preventing an equal amount of carbon dioxide from being emitted. Recent analyses found that deploying NETs may be less expensive and less disruptive than reducing some emissions, such as a substantial portion of agricultural and land-use emissions and some transportation emissions. In 2015, the National Academies published Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration, which described and initially assessed NETs and sequestration technologies. This report acknowledged the relative paucity of research on NETs and recommended development of a research agenda that covers all aspects of NETs from fundamental science to full-scale deployment. To address this need, Negative Emissions Technologies and Reliable Sequestration: A Research Agenda assesses the benefits, risks, and "sustainable scale potential" for NETs and sequestration. This report also defines the essential components of a research and development program, including its estimated costs and potential impact.