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Author : Achim Grelle
Publisher : Unknown
Page : 204 pages
File Size : 48,5 Mb
Release : 1997
Category : Atmospheric carbon dioxide
ISBN : MINN:31951D02014265D
Author : Riccardo Valentini
Publisher : Springer Science & Business Media
Page : 285 pages
File Size : 52,9 Mb
Release : 2013-06-29
Category : Technology & Engineering
ISBN : 9783662051719
After years of technological development and its important achievements to make our life easier and more comfortable, human society is going to face one of the most difficult challenges of the last century: to stabilize the concentra tion levels of greenhouse gases in the atmosphere to prevent harmful effects on the climate system. Through a delicate balance between photosynthesis and respiration, terres trial ecosystems, and in particular forests, are today thought to take up a sig nificant part of the carbon dioxide emissions in the atmosphere, sometimes called the "terrestrial carbon sink". However, the location, magnitude, and vulnerability of the carbon dioxide sink of the terrestrial biota are still uncer tain. The suite of traditional tools in an ecologist's toolbox for studying ecosys tem productivity and carbon balance include leaf cuvettes, whole-plant and soil chambers for gas exchange, and biomass and soil carbon inventories. While each of the cited methods has distinct advantages, they are limited with regards to their ability to measure net carbon dioxide exchange of the whole ecosystem across a variety of time scales. This book present a compendium of results of a European project (EURO FLUX), funded by the European Commission through its fourth framework program, aiming to elucidate the role of forests in continental carbon balance.
Author : Howard Griffith,Paul Jarvis
Publisher : Taylor & Francis
Page : 304 pages
File Size : 46,9 Mb
Release : 2004-03-01
Category : Science
ISBN : 9781135322571
The Carbon Balance of Forest Biomes provides an informed synthesis on the current status of forests and their future potential for carbon sequestration. This volume is timely, since convincing models which scale from local to regional carbon fluxes are needed to support these international agreements, whilst criticisms have been levelled at existing empirical approaches. One key question is to determine how well eddy-flux measurements at the stand-level represent regional-scale processes. This may be related to specific management practices (age, plantation, fertilisation) or simple bias in choosing representative sites (ease of access, roughness, proximity to physical barriers). The ecology and regeneration state of temperate, tropical and boreal forests under current climatic conditions are discussed, together with partitioning of photosynthetic and respiratory fluxes from soils and vegetation. The volume considers how to integrate contrasting methodologies, and the latest approaches for scaling from stand to the planetary boundary layer.
Author : Anonim
Publisher : Academic Press
Page : 430 pages
File Size : 44,9 Mb
Release : 1999-12-10
Category : Science
ISBN : 0080567142
The six reviews in this latest issue of Advances in Ecological Research cover a broad spectrum of ecology, from micro-patterns and processes, to the ecophysiology of the individual organism, to forest-scale processes. Topics covered include the possible evolutionary forces that have shaped particular strategies, and the potential and limitations for techniques in ecology, such as fractal geometry, field experiments and eddy co-variance measures. Despite this diversity of topics, there are plenty of points of contact and cross-reference.
Author : Jacques Roy,Harold A. Mooney,Bernard Saugier
Publisher : Elsevier
Page : 598 pages
File Size : 54,5 Mb
Release : 2001-05-15
Category : Science
ISBN : 9780080518725
As the global climate changes, there are concomitant changes in global biological productivity. This book is devoted to the assessment of terrestrial Net Primary Productivity ("the total amount of energy acquired by green plants during photosynthesis, minus the energy lost through respiration"--APDS&T, pp. 1457). The book is comprised of three major sections. The first section is a review of the processes that operate globally to influence productivity--these are the initial conditions of any model of primary productivity. The second section is comprised of chapters that assess the contribution of particular ecosystems to global productivity. The final major section contains chapters of a synthetic nature that describe attempts to model global productivity. This book should appeal to both ecologists and environmental scientists.
Author : Xiaoming Kang,Shoujia Sun,Fenghui Yuan,Xianjin Zhu,Xiaojuan Tong,Hui Huang
Publisher : Frontiers Media SA
Page : 320 pages
File Size : 55,8 Mb
Release : 2024-04-15
Category : Science
ISBN : 9782832547755
Forest and grassland ecosystems are the most important carbon sinks in terrestrial ecosystems. They can maintain or enhance carbon stocks and sinks in biomass, and play vital roles in mitigating climate change. China is taking action to achieve its carbon peak and carbon-neutral targets. Climate change, particularly the increase in the frequency, severity, and extent of drought, will affect the stability of the forest and grassland. How forests and grassland mitigate and adapt to climate change is still a challenge. Exploring the response of the forest and grassland to extreme climate events contributes to improving vegetation quality and enhancing the ability to respond to climate change.
Author : Zhi Chen
Publisher : Springer
Page : 139 pages
File Size : 51,8 Mb
Release : 2018-02-19
Category : Science
ISBN : 9789811077036
This book systematically illustrates the underlying mechanisms of spatial variation in ecosystem carbon fluxes. It presents the regulation of climate pattern, together with its impacts on ecosystem traits, which yields new insights into the terrestrial carbon cycle and offers a theoretic basis for large-scale carbon pattern assessment. By means of integrated analysis, the clear spatial pattern of carbon fluxes (including gross primary production, ecosystem respiration and net ecosystem production) along latitudes is clarified, from regions to the entire Northern Hemisphere. Temperature and precipitation patterns play a vital role in carbon spatial pattern formation, which strongly supports the application of the climate-driven theory to the Northern Hemisphere. With regard to the spatial pattern, the book demonstrates the covariation between production and respiration, offering new information to promote current respiration model development. Moreover, it reveals the high carbon uptake of subtropical forests across the East Asian monsoon region, which challenges the view that only mid- to high-latitude terrestrial ecosystems are principal carbon sink regions, and improves our understanding of carbon budgets and distribution.
Author : Anonim
Publisher : Unknown
Page : 572 pages
File Size : 55,7 Mb
Release : 2009
Category : Ecology
ISBN : STANFORD:36105132736914
Author : Ann-Sofie Morén
Publisher : Unknown
Page : 198 pages
File Size : 52,6 Mb
Release : 1999
Category : Atmospheric carbon dioxide
ISBN : MINN:31951D01626647L
Author : Seppo Kellomaki
Publisher : CRC Press
Page : 347 pages
File Size : 40,9 Mb
Release : 2017-02-03
Category : Nature
ISBN : 9781351678940
In many places in the world, forests dominate landscapes and provide various products. Future climate change could profoundly alter the productivity of forest ecosystems and species composition. Until now, climate impact research has primarily focused on the likely impacts of rise in temperature, increased atmospheric CO2 concentration, and varying precipitation on unmanaged forests. The issue that now needs to be addressed is how to sustainably manage climate change for timber production and biomass. Though climate change is a global issue, impacts on forests depend on local environmental conditions and management methods, so this book will look at the issue under varying local contexts.
Author : Osvaldo E. Sala,Robert B. Jackson,Harold A. Mooney,Robert W. Howarth
Publisher : Springer Science & Business Media
Page : 441 pages
File Size : 55,5 Mb
Release : 2013-12-01
Category : Science
ISBN : 9781461212249
Ecology at the ecosystem level has both necessitated and benefited from new methods and technologies as well as those adapted from other disciplines. With the ascendancy of ecosystem science and management, the need has arisen for a comprehensive treatment of techniques used in this rapidly-growing field. Methods in Ecosystem Science answers that need by synthesizing the advantages, disadvantages and tradeoffs associated with the most commonly used techniques in both aquatic and terrestrial research. The book is divided into sections addressing carbon and energy dynamics, nutrient and water dynamics, manipulative ecosystem experiements and tools to synthesize our understanding of ecosystems. Detailed information about various methods will help researchers choose the most appropriate methods for their particular studies. Prominent scientists discuss how tools from a variety of disciplines can be used in ecosystem science at different scales.
Author : Marc Aubinet,Timo Vesala,Dario Papale
Publisher : Springer Science & Business Media
Page : 451 pages
File Size : 54,9 Mb
Release : 2012-01-18
Category : Science
ISBN : 9789400723511
This highly practical handbook is an exhaustive treatment of eddy covariance measurement that will be of keen interest to scientists who are not necessarily specialists in micrometeorology. The chapters cover measuring fluxes using eddy covariance technique, from the tower installation and system dimensioning to data collection, correction and analysis. With a state-of-the-art perspective, the authors examine the latest techniques and address the most up-to-date methods for data processing and quality control. The chapters provide answers to data treatment problems including data filtering, footprint analysis, data gap filling, uncertainty evaluation, and flux separation, among others. The authors cover the application of measurement techniques in different ecosystems such as forest, crops, grassland, wetland, lakes and rivers, and urban areas, highlighting peculiarities, specific practices and methods to be considered. The book also covers what to do when you have all your data, summarizing the objectives of a database as well as using case studies of the CarboEurope and FLUXNET databases to demonstrate the way they should be maintained and managed. Policies for data use, exchange and publication are also discussed and proposed. This one compendium is a valuable source of information on eddy covariance measurement that allows readers to make rational and relevant choices in positioning, dimensioning, installing and maintaining an eddy covariance site; collecting, treating, correcting and analyzing eddy covariance data; and scaling up eddy flux measurements to annual scale and evaluating their uncertainty.
Author : Tee Lamont Guidotti
Publisher : University of Alberta
Page : 344 pages
File Size : 43,5 Mb
Release : 1999-09
Category : Health & Fitness
ISBN : 0888642938
Canadians enjoy their beautiful surroundings, but they do have concerns about environmental hazards that may affect their health. This book offers help in understanding the issues and risks. Open the The Canadian Guide to Health and the Environment and you'll quickly find clear, balanced information to help answer your questions about the following topics and more: global warming, drinking water, irradiated food, deforestation, asthma, sick-building syndrome, noise, suntanning, cancer, PCBs. The handy "What You Can Do" sections suggest how to tackle issues in ways that suit your particular situation. Educator and public-health physician Tee L. Guidotti—with the Canadian Association of Physicians for the Environment and a host of expert contributors—walks you through the many issues linking the environment and your health. Use the Guide as a reference to specific topics, a readable overview of environmental health concerns, or a learning tool for students, parents, and families. The Guide includes: - a quick-access glossary - a bibliography of helpful publications, plus dozens of references to books, agencies, and internet sites you can explore for further information - a series of quizzes and games to check your environmental knowledge, and - an index for easy reference. The Canadian Guide to Health and the Environment will help you make decisions that are right for you and your family—and good for our environment.
Author : William K Smith,Thomas C. Vogelmann,Christa Critchley
Publisher : Springer Science & Business Media
Page : 317 pages
File Size : 42,5 Mb
Release : 2010-02-20
Category : Science
ISBN : 9780387272672
This is a thorough study of photosynthetic mechanisms from cells to leaves, crown, and canopy. The authors question whether photosynthetic adaptations take place primarily at the metabolic and biochemical level or through changes in structure and form, or both. The text goes on to analyze the relative importance of genes that control metabolic and light reactions, and the structure, arrangement, and orientation of photosynthesis.
Author : Kenji Omasa,Isamu Nouchi,Luit J. De Kok
Publisher : Springer Science & Business Media
Page : 294 pages
File Size : 49,8 Mb
Release : 2007-02-26
Category : Science
ISBN : 9784431310143
This book reviews current topics on plant metabolism of air pollutants and elevated CO2, responses of whole plants and plant ecosystems, genetics and molecular biology for functioning improvement, experimental ecosystems and climate change research, global carbon-cycle monitoring in plant ecosystems, and other important issues. The authors, conducting research in Europe, the United States, Australia, and East Asia, present a wealth of information on their work in the field.
