Carbon Nitrogen And Phosphorus Cycling In Forest Soils
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Carbon Nitrogen And Phosphorus Cycling In Forest Soils
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Author : Robert G. Qualls
language : en
Publisher: MDPI
Release Date : 2019-06-21
Carbon Nitrogen And Phosphorus Cycling In Forest Soils written by Robert G. Qualls and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-21 with Technology & Engineering categories.
The majority of carbon stored in the soils of the world is stored in forests. The refractory nature of some portions of forest soil organic matter also provides the slow, gradual release of organic nitrogen and phosphorus to sustain long term forest productivity. Contemporary and future disturbances, such as climatic warming, deforestation, short rotation sylviculture, the invasion of exotic species, and fire, all place strains on the integrity of this homeostatic system of C, N, and P cycling. On the other hand, the CO2 fertilization effect may partially offset losses of soil organic matter, but many have questioned the ability of N and P stocks to sustain the CO2 fertilization effect. Despite many advances in the understanding of C, N, and P cycling in forest soils, many questions remain. For example, no complete inventory of the myriad structural formulae of soil organic N and P has ever been made. The factors that cause the resistance of soil organic matter to mineralization are still hotly debated. Is it possible to “engineer” forest soil organic matter so that it sequesters even more C? The role of microbial species diversity in forest C, N, and P cycling is poorly understood. The difficulty in measuring the contribution of roots to soil organic C, N, and P makes its contribution uncertain. Finally, global differences in climate, soils, and species make the extrapolation of any one important study difficult to extrapolate to forest soils worldwide.
Carbon Nitrogen And Phosphorus Cycling In Forest Soils
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Author : Robert G. Qualls
language : en
Publisher:
Release Date : 2019
Carbon Nitrogen And Phosphorus Cycling In Forest Soils written by Robert G. Qualls and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Biology (General) categories.
The majority of carbon stored in the soils of the world is stored in forests. The refractory nature of some portions of forest soil organic matter also provides the slow, gradual release of organic nitrogen and phosphorus to sustain long term forest productivity. Contemporary and future disturbances, such as climatic warming, deforestation, short rotation sylviculture, the invasion of exotic species, and fire, all place strains on the integrity of this homeostatic system of C, N, and P cycling. On the other hand, the CO2 fertilization effect may partially offset losses of soil organic matter, but many have questioned the ability of N and P stocks to sustain the CO2 fertilization effect.
Cycling Of Carbon Nitrogen Sulfur And Phosphorus In Terrestrial And Aquatic Ecosystems
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Author : J. R. Freney
language : en
Publisher: Springer
Release Date : 1982-07
Cycling Of Carbon Nitrogen Sulfur And Phosphorus In Terrestrial And Aquatic Ecosystems written by J. R. Freney and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982-07 with Science categories.
The papers published in this volume were presented to that workshop which was held in Canberra on 29-30 April and 1 May 1981.
Phosphorus In Action
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Author : Else K. Bünemann
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-11-08
Phosphorus In Action written by Else K. Bünemann and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-08 with Science categories.
Phosphorus (P) is a finite resource which is essential for life. It is a limiting nutrient in many ecosystems but also a pollutant which can affect biodiversity in terrestrial ecosystems and change the ecology of water bodies. This book collects the latest information on biological processes in soil P cycling, which to date have remained much less understood than physico-chemical processes. The methods section presents spectroscopic techniques and the characterization of microbial P forms, as well as the use of tracers, molecular approaches and modeling of soil-plant systems. The section on processes deals with mycorrhizal symbioses, microbial P solubilization, soil macrofauna, phosphatase enzymes and rhizosphere processes. On the system level, P cycling is examined for grasslands, arctic and alpine soils, forest plantations, tropical forests, and dryland regions. Further, P management with respect to animal production and cropping, and the interactions between global change and P cycling, are treated.
Nutrient Cycling In Forest Ecosystems
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Author : Robert G. Qualls
language : en
Publisher: MDPI
Release Date : 2020-12-03
Nutrient Cycling In Forest Ecosystems written by Robert G. Qualls and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-03 with Science categories.
The long-term productivity of forest ecosystems depends on the cycling of nutrients. The effect of carbon dioxide fertilization on forest productivity may ultimately be limited by the rate of nutrient cycling. Contemporary and future disturbances such as climatic warming, N-deposition, deforestation, short rotation sylviculture, fire (both wild and controlled), and the invasion of exotic species all place strains on the integrity of ecosystem nutrient cycling. Global differences in climate, soils, and species make it difficult to extrapolate even a single important study worldwide. Despite advances in the understanding of nutrient cycling and carbon production in forests, many questions remain. The chapters in this volume reflect many contemporary research priorities. The thirteen studies in this volume are arranged in the following subject groups: • N and P resorption from foliage worldwide, along chronosequences and along elevation gradients; • Litter production and decomposition; • N and P stoichiometry as affected by N deposition, geographic gradients, species changes, and ecosystem restoration; • Effects of N and P addition on understory biomass, litter, and soil; • Effects of burning on soil nutrients; • Effects of N addition on soil fauna.
Forest Soils And Nutrient Cycles
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Author : Peter Muecke Attiwill
language : en
Publisher: Melbourne University
Release Date : 1987
Forest Soils And Nutrient Cycles written by Peter Muecke Attiwill and has been published by Melbourne University this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
Nutrient Cycling In Terrestrial Ecosystems
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Author : Petra Marschner
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-01
Nutrient Cycling In Terrestrial Ecosystems written by Petra Marschner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-01 with Science categories.
This book presents a comprehensive overview of nutrient cycling processes and their importance for plant growth and ecosystem sustainability. The book combines fundamental scientific studies and devised practical approaches. It contains contributions of leading international authorities from various disciplines resulting in multidisciplinary approaches, and all chapters have been carefully reviewed. This volume will support scientists and practitioners alike.
Carbon Forms And Functions In Forest Soils
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Author : William Warren McFee
language : en
Publisher:
Release Date : 1995
Carbon Forms And Functions In Forest Soils written by William Warren McFee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Technology & Engineering categories.
Soil Nitrogen Cycle
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Author : Water Resources Scientific Information Center
language : en
Publisher:
Release Date : 1972
Soil Nitrogen Cycle written by Water Resources Scientific Information Center and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Nitrogen cycle categories.
Carbon And Nitrogen Cycling In European Forest Ecosystems
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Author : Ernst-Detlef Schulze
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-01
Carbon And Nitrogen Cycling In European Forest Ecosystems written by Ernst-Detlef Schulze and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-01 with Science categories.
This volume quantifies carbon storage in managed forest ecosystems not only in biomass, but also in all soil compartments. It investigates the interaction between the carbon and nitrogen cycles by working along a north-south transect through Europe that starts in northern Sweden, passes through a N-deposition maximum in central Europe and ends in Italy. For the first time biogeochemical processes are linked to biodiversity on a large geographic scale and with special focus on soil organisms. The accompanying CD-ROM provides a complete database of all flux, storage and species observations for modellers.