Interactive Feedbacks Between Soil Fauna And Soil Processes
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Interactive Feedbacks between Soil Fauna and Soil Processes
Author | : Maria Luz Cayuela,Julia Clause,Jan Frouz,Philippe C. Baveye |
Publsiher | : Frontiers Media SA |
Total Pages | : 120 |
Release | : 2020-03-30 |
Genre | : Electronic Book |
ISBN | : 9782889635481 |
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Soil fauna plays a significant role at all trophic levels of the soil food web and regulates processes that are crucial for soil functioning, such as nutrient cycling, immobilization and/or degradation of toxic compounds, formation of soil structure, greenhouse gas emissions and C turnover. Although soil fauna is not thought to contribute significantly to soil respiration during litter or soil organic matter (SOM) decomposition, the diversity of soil fauna has been found to strongly influence SOM distribution and dynamics. Yet, the functional contribution of soil fauna to many soil processes is not well understood due to methodological limitations and the high complexity of interactions at various spatiotemporal scales. In general, soil fauna has received far less scientific attention than bacteria and fungi (and lately archaea) in soil studies and has been regularly ignored in global biogeochemical models, with maybe exceptions for some earthworms. However, recent studies are raising the awareness of the influence of soil fauna on ecosystems dynamics. For instance, earthworms have been found to be major players in N2O emissions from soils. They exert a strong influence on C stabilization, and they promote the degradation of polycyclic aromatic hydrocarbons (PAHs). Less studied, ants and termites have been found to increase crop productivity in drylands, and different lifeforms of Collembola have been shown to impact microorganisms in various ways over time, thereby potentially affecting C and N cycles within farming systems. The influence of soil fauna indeed manifests over a broad ranges of spatiotemporal scales. For example, some effect such as aggregate formation may cumulate over time and finally contribute to the formation of whole soil profiles, which serve as a framework for other soil processes such as water movement, decomposition, etc. Meanwhile, soil biodiversity is impacted by an increasing human pressure through deforestation, agriculture intensification, habitat fragmentation or climate change (increasing temperatures, extreme weather events), which leads to soil biodiversity loss, in particular of soil fauna, with associated consequences on soil functioning and resilience.
Soil Fauna Assemblages
Author | : Uffe N. Nielsen |
Publsiher | : Cambridge University Press |
Total Pages | : 381 |
Release | : 2019-03-28 |
Genre | : Nature |
ISBN | : 9781107191488 |
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A holistic overview of soil fauna, their contributions to ecosystem function, and implications of global change belowground.
Soil Carbon Dynamics
Author | : Werner L. Kutsch,Michael Bahn,Andreas Heinemeyer |
Publsiher | : Cambridge University Press |
Total Pages | : 301 |
Release | : 2010-01-07 |
Genre | : Technology & Engineering |
ISBN | : 9781139483162 |
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Carbon stored in soils represents the largest terrestrial carbon pool and factors affecting this will be vital in the understanding of future atmospheric CO2 concentrations. This book provides an integrated view on measuring and modeling soil carbon dynamics. Based on a broad range of in-depth contributions by leading scientists it gives an overview of current research concepts, developments and outlooks and introduces cutting-edge methodologies, ranging from questions of appropriate measurement design to the potential application of stable isotopes and molecular tools. It includes a standardised soil CO2 efflux protocol, aimed at data consistency and inter-site comparability and thus underpins a regional and global understanding of soil carbon dynamics. This book provides an important reference work for students and scientists interested in many aspects of soil ecology and biogeochemical cycles, policy makers, carbon traders and others concerned with the global carbon cycle.
Plant induced soil changes Processes and feedbacks
Author | : Nico van Breemen |
Publsiher | : Springer Science & Business Media |
Total Pages | : 255 |
Release | : 2013-03-09 |
Genre | : Science |
ISBN | : 9789401726917 |
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This book by soil scientists and ecologists reviews how and why plants influence soils. Topics include effects on mineral weathering, soil structure, and soil organic matter and nutrient dynamics, case studies of soil-plant interactions in specific biomes and of secondary chemicals influencing nutrient cycling, the rhizosphere, and potential evolutionary consequences of plant-induced soil changes. This is the first volume that specifically highlights the effects of plants on soils and their feedbacks to plants. By contrast, other texts on soil-plant relationships emphasize effects of soil fertility on plants, following the strongly agronomic character of most research in this area. The aspects discussed in this volume are crucial for understanding terrestrial ecosystems, biogeochemistry and soil genesis. The book is directed to terrestrial ecologists, foresters, soil scientists, environmental scientists and biogeochemists, and to students following specialist courses in these fields.
Nutrient Uptake and Cycling in Forest Ecosystems
Author | : L.O. Nilsson,Reinhard F. Hüttl,U.T. Johansson |
Publsiher | : Springer Science & Business Media |
Total Pages | : 660 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 9789401104555 |
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From the research results and discussions presented in this book it becomes clear that a profound understanding of the various interrelationships of the nutritional aspects allows the implementation of specific management strategies to improve stability and productivity of forest ecosystems. In particular the effects of environmental changes as related to the impacts of air pollution, global change and land use on nutrient uptake and cycling processes in forest ecosystems are dealt with in detail. The book is divided into six main issues and each topic contains reviews as well as selected results of recent studies.
Interactions in Soil Promoting Plant Growth
Author | : John Dighton,Jennifer Adams Krumins |
Publsiher | : Springer |
Total Pages | : 240 |
Release | : 2014-05-19 |
Genre | : Nature |
ISBN | : 9789401788908 |
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This book investigates soil ecology and biodiversity for its ability to maintain a balance of beneficial organisms to support plant growth. This subject is discussed by a group of international authors in natural, agricultural and urban systems. The importance of biodiversity per se and, specifically, the feedbacks between the plant and soil biota in mediating soil function are emphasized. Examples are selected from allelopathy and invasive plant species along with the, hitherto overlooked, role of viruses in soil. The book is intended to provide a framework for a holistic understanding of the essential role of soil organisms in promoting plant growth.
Soil Ecology and Ecosystem Services
Author | : Diana H. Wall,Richard D. Bardgett |
Publsiher | : Unknown |
Total Pages | : 422 |
Release | : 2013-07-18 |
Genre | : Nature |
ISBN | : 9780199688166 |
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This multi-contributor, international volume synthesizes contributions from the world's leading soil scientists and ecologists, describing cutting-edge research that provides a basis for the maintenance of soil health and sustainability. The book covers these advances from a unique perspective of examining the ecosystem services produced by soil biota across different scales - from biotic interactions at microscales to communities functioning at regional and global scales. The book leads the user towards an understanding of how the sustainability of soils, biodiversity, and ecosystem services can be maintained and how humans, other animals, and ecosystems are dependent on living soils and ecosystem services. This is a valuable reference book for academic libraries and professional ecologists worldwide as a statement of progress in the broad field of soil ecology. It will also be of interest to both upper level undergraduate and graduate students taking courses in soil ecology, as well as academic researchers and professionals in the field requiring an authoritative, balanced, and up-to-date overview of this fast expanding topic.
The Biology of Soil
Author | : Richard D. Bardgett |
Publsiher | : Oxford University Press |
Total Pages | : 264 |
Release | : 2005-06-02 |
Genre | : Science |
ISBN | : 0198525028 |
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Soil science has undergone a renaissance with increasing awareness of the importance of soil organisms and below-ground biotic interactions as drivers of community and ecosystem properties.