Allometric Models To Estimate Biomass Aboveground In Forest Recovery Areas PDF Download
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Author: Ricardo Rodrigues
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Quantify carbon stock on forest restauration areas is a global interest, since this area provide the important environmental service of mitigating climate change. It is crucial have more studies on allometry to help on predicting biomass and carbon stocking for those areas. Thus, the objective of this study was to quantify forest biomass and carbon content to a 5-year-old region under restoration process, so models could be fitted to the area and also used to similar sites. Three sites nearby Itu city, SP, Brazil, were studied, 5 years after the restoration process was implemented. In each site, three 900 mu00b2-plots were installed, and a forest inventory was done, measuring tree height and circumference at breast height. Sub-plots (25 m2) were randomly selected in each 900 m2-plots and all trees inside it were cut and had its volume measured, stratified into foliage, roots and stem pools. Carbon content was determined on the Isotopic Ecology Laboratory for each species and pool. This data was used to fit models to estimate biomass. The best model was selected using the adjusted coefficient of determination (Ru00b2), residual charts and Akaikeu2019s information criterion (AIC). Mean biomass for the area was 20.19u00b10.146 Mg hau207bu00b9, mean Carbon stock was 9.73 Mg C hau207bu00b9, and average carbon content was 45.3%.
Author: Ricardo Rodrigues
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Quantify carbon stock on forest restauration areas is a global interest, since this area provide the important environmental service of mitigating climate change. It is crucial have more studies on allometry to help on predicting biomass and carbon stocking for those areas. Thus, the objective of this study was to quantify forest biomass and carbon content to a 5-year-old region under restoration process, so models could be fitted to the area and also used to similar sites. Three sites nearby Itu city, SP, Brazil, were studied, 5 years after the restoration process was implemented. In each site, three 900 mu00b2-plots were installed, and a forest inventory was done, measuring tree height and circumference at breast height. Sub-plots (25 m2) were randomly selected in each 900 m2-plots and all trees inside it were cut and had its volume measured, stratified into foliage, roots and stem pools. Carbon content was determined on the Isotopic Ecology Laboratory for each species and pool. This data was used to fit models to estimate biomass. The best model was selected using the adjusted coefficient of determination (Ru00b2), residual charts and Akaikeu2019s information criterion (AIC). Mean biomass for the area was 20.19u00b10.146 Mg hau207bu00b9, mean Carbon stock was 9.73 Mg C hau207bu00b9, and average carbon content was 45.3%.
Author: Haruni Krisnawati
Publisher: wahyu catur adinugroho
ISBN: 9793145935
Category : Forest biomass
Languages : en
Pages : 136
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Book Description
Author: Michail Prodan
Publisher: Elsevier
ISBN: 1483156559
Category : Mathematics
Languages : en
Pages : 461
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Book Description
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.
Author: Luigi Todaro
Publisher: MDPI
ISBN: 3036504362
Category : Science
Languages : en
Pages : 214
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Book Description
Forest ecosystems are important because of the key role in reducing atmospheric greenhouse gas concentrations by storing a large amount of carbon in biomass and soils. The relative amount of above-ground biomass allocated among different tree tissues is a functional indicator of forests’ health reflecting the material flow, the wood quality and the plant survival strategy. The way in which plants steer their photosynthetic product across their compartments is not fixed but likely vary over time, across growth economies and among species and, lastly, is influenced by plant size and climate, Obtaining a qualitative/quantitative understanding of the influence that these factors have in both growth and biomass allocation is of fundamental importance either in understanding plant ecology and evolution and into developing environmental policies and useful forest management practices to cope with future climate change.
Author: Sandra Brown
Publisher: Food & Agriculture Org.
ISBN: 9789251039557
Category : Biomass energy
Languages : en
Pages : 72
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Book Description
Author: Lalit Kumar
Publisher: MDPI
ISBN: 3039212095
Category : Science
Languages : en
Pages : 264
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Book Description
Above ground biomass has been listed by the Intergovernmental Panel on Climate Change as one of the five most prominent, visible, and dynamic terrestrial carbon pools. The increased awareness of the impacts of climate change has seen a burgeoning need to consistently assess carbon stocks to combat carbon sequestration. An accurate estimation of carbon stocks and an understanding of the carbon sources and sinks can aid the improvement and accuracy of carbon flux models, an important pre-requisite of climate change impact projections. Based on 15 research topics, this book demonstrates the role of remote sensing in quantifying above ground biomass (forest, grass, woodlands) across varying spatial and temporal scales. The innovative application areas of the book include algorithm development and implementation, accuracy assessment, scaling issues (local–regional–global biomass mapping), and the integration of microwaves (i.e. LiDAR), along with optical sensors, forest biomass mapping, rangeland productivity and abundance (grass biomass, density, cover), bush encroachment biomass, and seasonal and long-term biomass monitoring.
Author: Pen Chow Lau
Publisher:
ISBN:
Category : Image processing
Languages : en
Pages : 79
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Book Description
Author: Bruce Morgan Campbell
Publisher: CIFOR
ISBN: 9798764072
Category : Forest ecology
Languages : en
Pages : 273
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Book Description
Miombo woodlands and their use: overview and key issues. The ecology of miombo woodlands. Population biology of miombo tree. Miombo woodlands in the wider context: macro-economic and inter-sectoral influences. Rural households and miombo woodlands: use, value and management. Trade in woodland products from the miombo region. Managing miombo woodland. Institutional arrangements governing the use and the management of miombo woodlands. Miombo woodlands and rural livelihoods: options and opportunities.
Author: Paolo Billi
Publisher: Springer
ISBN: 9401780269
Category : Science
Languages : en
Pages : 384
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Book Description
This book provides a succinct but comprehensive presentation of key geomorphological locations and topics including information about geomorphological heritage and maps to visit the most important sites. Apart from often being remarkably scenic, landscapes reveal stories that often can be traced back in time tens of million years and include unique events. This is particularly true for Ethiopia where spectacular examples of different landforms are present. Its geomorphology varies from highlands, marked by high volcanoes and incised by deep river gorges, to the rift valley lakes endorheic systems and the below sea level lowlands with characteristic landscapes which are unique in the world. Landscapes and Landforms of Ethiopia highlights all these topics including essential information about geology and tectonic framework, past and present climate, hydrology, geographical regions and long-term geomorphological history. It is a highly informative book, providing insight for readers with an interest in geography and geomorphology.
Author: Erkki Tomppo
Publisher: Springer Science & Business Media
ISBN: 1402087136
Category : Technology & Engineering
Languages : en
Pages : 383
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Book Description
Building on more than a decade of innovative research into multi-source forest inventory (MS-NFI) this book presents full details of the development, outputs and applications of the improved k-NN method. The method, which was pioneered in Finland in 1990, is rapidly becoming a world standard in forest inventory, having been adopted as standard in Finland and Sweden, and recently introduced in Austria and across the US. The book describes in detail the full MS-NFI process, and the input data used – including field data, satellite images, and digital map data, as well as coarse-scale variation of forest variables. It also presents comprehensive information on the types of outputs which can be derived, including maps and statistics, describing, for example, stock volumes and development, dominant tree species, age-class distribution, and large and small-scale variation. The book will provide an invaluable resource for those involved in forest inventory, including government departments and bodies involved in forest policy, management and monitoring, forest managers, and researchers and graduate students interested in forest inventory, modelling and analysis. It will find an additional market among those interested in Earth observation, ecology and broader areas of environmental and natural resource management. Erkki Tomppo was the winner of the 1997 Marcus Wallenberg Prize for his work on the k-NN method.
