Nutrients In European Ecosystems
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Nutrients In European Ecosystems
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Author : P. Crouzet
language : en
Publisher:
Release Date : 1999
Nutrients In European Ecosystems written by P. Crouzet and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Anthropogenic soils categories.
Recoge: 1. Introduction - 2. What are nutrients? - 3. Sources of nutrients - 4. What constitutes an excesss of nutrients - 5. Status and impacts in lakes and reservoirs - 6. Status and impacts on nutrients in rivers - 7. Status and impact on marine and coastal waters - 8. Status of terrestial ecosystems - 9. Protective and curative measures - 10. Conclusions - 11. References.
Mediterranean Type Ecosystems
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Author : F.J. Kruger
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Mediterranean Type Ecosystems written by F.J. Kruger 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 2012-12-06 with Science categories.
The theory of ecological convergence underlies the biogeographers' maps of world biome-types. It also determines the degree to which ecological principles, derived from research on particular populations, communities or ecosystems, are generally valid, and hence also to what extent resource management principles are general. To quote Di Castri and Mooney (1973): "In effect, in order to assess the transfer of technology, it is essential to know to what extent information acquired from studying one particular ecosystem is applicable to another ecosystem of the same type but situated in a different location. " The five relatively small, isolated, mediterranean-climate zones of the earth, each with its distinct fauna and flora, have provided the ideal testing grounds for this theory. A heritage of precisely focused ecosystems research has resulted, beginning with the international comparative analyses conducted by Specht (l969a, b) but with antecedents in earlier studies in South Australia (Specht and Rayson 1957, Specht 1973). Cody and Mooney (1978) reviewed the information available at the time for the four zones excepting Australia and concluded that the arrays of strategy-types to be found among the different biotas were so similar that they could be explained only in terms of the convergence hypothesis; nevertheless, evident differences in community organization and dynamics, especially phenol ogy, required closer study of resource availability and resource-use patterns to better explain relations between form and function overall, and to assess the degree of convergence at higher levels of organization than the population.
Cycling Of Mineral Nutrients In Agricultural Ecosystems
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Author : M Frissel
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Cycling Of Mineral Nutrients In Agricultural Ecosystems written by M Frissel and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Cycling of Mineral Nutrients in Agricultural Ecosystems contains the papers presented in the first international environmental symposium of the Royal Netherlands Land Development Society held at Amsterdam on 1976. The symposium is cosponsored by the International Association for Ecology and Elsevier Scientific Publishing Company. This compilation reflects the exchange of information and ideas by specialists and participants of the symposium. The book is comprised of nine chapters, which cover the following concepts of nutrient cycling in agricultural ecosystems: principles and control of nutrient cycling; description and classification of agro-ecosystems; nutrient cycling data from different countries; and general discussion on nutrient balances, changes in soil pools, manipulations, and future researches. This book also offers potential background and perspectives for further studies on nutrient cycling in agro-ecosystems, presenting a view on what directions future research should take. This volume will be an invaluable reference source for environmental science students and professionals. Research workers in agriculture and other environmental disciplines will also find this book useful.
Climate Change Air Pollution And Global Challenges
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Author : Werner Eugster
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-11-19
Climate Change Air Pollution And Global Challenges written by Werner Eugster and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-19 with Nature categories.
Forests take up gaseous, liquid and particulate substances that are present in the air. Although considered nutrients on the one hand, nitrogen inputs exceeding the critical load that can be absorbed by an ecosystem act as pollutants. This chapter outlines the effects of N deposition to forest ecosystems and discusses recent progress that has been made to more accurately quantify dry deposition, which at many a forest location in Europe is larger than wet and occult deposition. To quantify the effects of N deposition on tree growth, a good measure for net ecosystem production (NEP) is needed. Eddy covariance (EC) flux measurements are one established way to quantify NEP. While EC flux measurements are costly and remain restricted in their application to a few suitable locations, dendrometer measurements with high temporal resolution show a similar seasonal and annual signal to NEP. Such measurements are becoming increasingly important to quantify ecosystem biomass accumulation, which can be related to N deposition rates. The policy relevance of such activities emerges from the UNECE's Gothenburg protocol to abate acidification, eutrophication and ground-level ozone, but also the quantification of natural sinks under the Kyoto protocol profits from such measurements.
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.
Changes In Forest Ecosystem Nutrition
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Author : Friederike Lang
language : en
Publisher: Frontiers Media SA
Release Date : 2021-10-18
Changes In Forest Ecosystem Nutrition written by Friederike Lang and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-18 with Science categories.
Nutrient Cycling In Terrestrial Ecosystems
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Author : A. F. Harrison
language : en
Publisher:
Release Date : 1990
Nutrient Cycling In Terrestrial Ecosystems written by A. F. Harrison and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Biogeochemical cycles categories.
A source of information for environmental scientists involved in research of the inputs, cycling and losses of nutrients in terrestrial ecosystems. A division has been made into a series of sections, dealing in turn with inputs, losses, turnover and plant uptake
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.
Nutrient Uptake And Cycling In Forest Ecosystems
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Author : L. O. Nilsson
language : en
Publisher:
Release Date : 1995
Nutrient Uptake And Cycling In Forest Ecosystems written by L. O. Nilsson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Eutrophication Causes Consequences And Control
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Author : Abid A. Ansari
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-17
Eutrophication Causes Consequences And Control written by Abid A. Ansari 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 2010-10-17 with Technology & Engineering categories.
Eutrophication continues to be a major global challenge to water quality scientists. The global demand on water resources due to population increases, economic development, and emerging energy development schemes has created new environmental challenges to global sustainability. Eutrophication, causes, consequences, and control provides a current account of many important aspects of the processes of natural and accelerated eutrophication in major aquatic ecosystems around the world. The connections between accelerated eutrophication and climate change, chemical contamination of surface waters, and major environmental and ecological impacts on aquatic ecosystems are discussed. Water quality changes typical of eutrophication events in major climate zones including temperate, tropical, subtropical, and arid regions are included along with current approaches to treat and control increased eutrophication around the world. The book provides many useful new insights to address the challenges of global increases in eutrophication and the increasing threats to biodiversity and water quality.