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| Author | : Maria Gabriela Alvarez Mieles |
| Publisher | : CRC Press |
| Total Pages | : 352 |
| Release | : 2019-05-14 |
| Genre | : Science |
| ISBN | : 1000517780 |
Download Ecological Modelling of River-Wetland Systems Book in PDF, ePub and Kindle
Around 6% of the Earth's land surface is covered by wetlands. Wetlands play a key role in hydrological and biogeochemical cycles, delivering multiple benefits to society: sources of water supply, flood regulation, water purification, agriculture, fisheries, and biodiversity. Hence, wetland systems are of immense socio-economic as well as ecological importance. In this research, the focus was on the Abras de Mantequilla (AdM) wetland in the tropical coastal region of Ecuador, a RAMSAR site and case study area for the EU-FP7 WETwin project. The research in this thesis involves a combination of field data collection, multivariate analysis techniques, as well as numerical modelling studies. The goal was to explore the effects of changes in hydrological forcing on the hydrodynamic and ecohydraulic responses of the wetland. The study aims to contribute to the understanding of how a tropical river-wetland system functions in terms of hydrodynamics, water quality, primary production, and biotic communities. Spatial patterns of biotic communities and environmental variables are obtained as well as spatio-temporal variability of hydrodynamics, water quality, primary productivity and fish habitat-suitability conditions. In data scarce areas and countries with financial constraints, the combination of field measurements with numerical models was extremely useful and relevant, confirming that these techniques complement each other in obtaining a better understanding of the dynamics of freshwater river–wetland systems. Studies like the present research can be used to enhance awareness about the environmental services of wetlands and stimulate cooperation between all stakeholders in order to achieve more sustainable wetland management.
| Author | : W.J. Mitsch |
| Publisher | : Elsevier |
| Total Pages | : 238 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0444597697 |
Download Wetland Modelling Book in PDF, ePub and Kindle
The study of wetlands is a relatively new field and the modelling of these systems is still in its formative stages. Nevertheless, the editors felt compelled to assemble this volume as a first statement of the state of the art of modelling approaches for the quantitative study of wetlands. A global approach has been adopted in this book, not only by including a wide geographic distribution of wetlands, but also by including papers on both freshwater and saltwater wetlands. Wetlands are defined as systems intermediate between aquatic and terrestrial ecosystems, and include ecosystems under a wide range of hydrologic and ecologic conditions. The wetland types discussed in this book reflect that heterogeneity, ranging from intermittently flooded wet meadows to permanently flooded shallow reservoirs and lakes. Also included are modelling examples from coastal salt marshes, shallow estuaries, mesotrophic bogs, reedswamps, forested swamps, and regional wetlands. In summary, the book presents ecological modelling as a tool for management of these sensitive ecosystems, and for studying their structure and function. Each chapter has extensive references related to the modelling approach and wetland type discussed. It will be useful for wetland scientists and managers, and could also serve as a supplemental text on courses in wetland ecology.
| Author | : |
| Publisher | : Elsevier |
| Total Pages | : 690 |
| Release | : 2014-04-04 |
| Genre | : Science |
| ISBN | : 0444632557 |
Download Ecological Modelling and Engineering of Lakes and Wetlands Book in PDF, ePub and Kindle
Ecological modelling has developed rapidly in recent decades, with the focus primarily on the restoration of lakes and wetlands. Ecological Modelling and Engineering in Lakes and Wetlands presents the progress being made in modelling for a wealth of applications. It covers the older biogeochemical models still in use today, structurally dynamic models, 3D models, biophysical models, entire watershed models, and ecotoxicological models, as well as the expansion of modeling to the Arctic and Antarctic climate-zones. The book also addresses modelling the effect of climate change, including the development of ecological models for addressing storm water pond issues, which are increasingly important in urban regions where more concentrated rainfalls are a consequence of climate change. The ecological engineering topics covered in the book also emphasize the advancements being made in applying ecological engineering regimes for better environmental management of lakes and wetlands. Examines recent progress towards a better understanding of these two important ecosystems Presents new results and approaches that can be used to develop better models Discusses how to increase the synergistic effect between ecosystems engineering and modelling
| Author | : William J. Mitsch |
| Publisher | : John Wiley & Sons |
| Total Pages | : 309 |
| Release | : 2009-04-13 |
| Genre | : Technology & Engineering |
| ISBN | : 047028630X |
Download Wetland Ecosystems Book in PDF, ePub and Kindle
New focused text introduces readers to wetland ecosystems and systems approaches to studying wetlands With its comprehensive coverage of wetland science, management, and restoration, Mitsch and Gosselink's Wetlands has been the premier reference on wetlands for more than two decades. Now, the coverage of specific wetland ecosystem types from earlier editions of this acclaimed work has been updated, revised, and supplemented with additional content in order to create this new text focusing exclusively on wetland ecosystems. This book now complements Wetlands, Fourth Edition. Following an introduction to ecosystems in general and wetland ecosystems in particular, Wetland Ecosystems examines the major types of wetlands found throughout the world: coastal wetlands, freshwater marshes and forested swamps, and peatlands. The final chapter reviews three fundamental systems approaches to studying wetlands: mesocosms, full-scale experimental ecosystems, and mathematical modeling. This new text features: Updated descriptions of the hydrology, biogeochemistry, and biology of the main types of wetlands found in the world New content introducing general ecosystems, wetland ecosystems, whole ecosystem and mesocosm experiments with wetlands, and systems ecology and modeling A detailed description of the ecosystem services provided by wetlands A broad international scope, including many examples of wetlands located outside North America Two new coauthors offering new perspectives and additional insights into the latest ecosystem and modeling techniques An abundance of illustrations helps readers understand how different biological communities and the abiotic environment in wetland ecosystems interact and function. Tables and text boxes provide at-a-glance summaries of key information. Lastly, each chapter concludes with a list of recommended readings. This text has been designed as an introduction for students and professionals in wetland ecology and management, general ecology, environmental science, and natural resource management.
| Author | : Tomasz Okruszko |
| Publisher | : CRC Press |
| Total Pages | : 355 |
| Release | : 2014-04-21 |
| Genre | : Science |
| ISBN | : 1482288478 |
Download Wetlands: Monitoring, Modelling and Management Book in PDF, ePub and Kindle
Wetlands are complex and dynamic ecological systems incorporating two important, inter-linked components: hydrology and vegetation. Modelling wetland components and processes reveals the nature of wetland systems and helps to predict the effects of environmental change. The main goal of much current research is the construction of a vigorous and sp
| Author | : Sirein Salah Awadalla |
| Publisher | : |
| Total Pages | : 141 |
| Release | : 2011 |
| Genre | : |
| ISBN | : |
Download Wetland Model in an Earth Systems Modeling Framework for Regional Environmental Policy Analysis Book in PDF, ePub and Kindle
The objective of this research is to investigate incorporating a wetland component into a land energy and water fluxes model, the Community Land Model (CLM). CLM is the land fluxes component of the Integrated Global Systems Model (IGSM), a framework that simulates the relationship of physical systems to climate variations. Wetlands play an important role in the storage and regulation of the global water budget so including them in a land water cycle model is found to be necessary in balancing the regional water budgets of simulated river basins. This research focuses on modeling broad hydrological characteristics of wetlands (and lakes) into CLM. CLM's wetland component is reconstructed to reflect a more realistic wetland water budget; it allows for the exchange of water with CLM's river routing component; it allows for varying the storage of wetlands; it allows for calculating discharge from wetlands based on the physics of these ecosystems; and allows the surface water extent of wetlands to vary, a characteristic important to ecological behavior of wetlands and management of wetland ecosystems. The research then implements the modified version of the model for the Sudd wetland, in South Sudan, as it relates to its larger river system, the White Nile. Projects designed to better manage this wetland, such as diverting its inflow to reduce the amount of water consumed by evaporation, are currently under review by its various stakeholders. This diversion stands to change the area of the Sudd, which has direct implications on the ecological and social services derived from the wetland locally. The modified CLM is thus used to provide a better understanding of the science of this management option, and furthers the discussion on the benefits or drawbacks to diversion. Thus, using area as a proxy for environmental impact, what are the environmental, economic and social risks associated with diverting water from inflow into the Sudd? The new wetland component's performance is evaluated against existing observed and modeled data on Sudd hydrology and compared to existing models of the Sudd. The research finds that the potential benefits of diversion cannot be said to unequivocally better the larger system of the White Nile.
| Author | : Wei Ji |
| Publisher | : CRC Press |
| Total Pages | : 328 |
| Release | : 2007-12-13 |
| Genre | : Nature |
| ISBN | : 1420064150 |
Download Wetland and Water Resource Modeling and Assessment Book in PDF, ePub and Kindle
As a wetland of international importance located in China, the Poyang Lake Basin's incredible topographical and biological diversity has provided a congregating point for scientists from around the world to engage in cross-disciplinary research. In particular, the International Conference on Poyang Lake Complex Environment System was instrumental i
| Author | : Guangzhi Sun |
| Publisher | : Frontiers Media SA |
| Total Pages | : 182 |
| Release | : 2023-04-12 |
| Genre | : Science |
| ISBN | : 2832505589 |
Download Wetlands and Water Resources: Ecological Solutions for the Environment Book in PDF, ePub and Kindle
Wetlands are usually located in complex landscapes. Multiple ecosystem services delivered by wetlands to human well-being should be considered in broader contexts of wetland functions, water quality, water resource management and wetland conservation. Natural wetlands are 'kidneys' and 'sponges' of the earth that remove water pollutants and provide hydrological regulation functions vital to the environment. Where the functions of the wetlands are weakened, actions of rehabilitations are needed to revitalize those functions. While worldwide many natural wetlands have disappeared due to climate change and/or human activities, constructed wetlands, which may be seen as 'artificial kidneys/sponges' of the earth, have been increasingly built to replicate the functions of the natural wetlands. This Research Topic aims to collect and present the latest research developments in natural and constructed wetlands in relation to either water resource functions or water quality. Articles published in this Research Topic will showcase new understandings of water balances and flow patterns, vegetation characteristics, and pollutant transformations in wetland systems; innovative designs and efficiencies of wastewater treatment wetlands; and technologies that revitalize the ecosystem functions of natural wetlands. These articles are expected to bring benefits to research communities, water and wastewater industries, and government agencies that deal with wetland water management and conservation. High-quality Original Research and Review articles in this field are all welcome for submission to this Research Topic. Research interests include but are not limited to the following areas: 1. Water balances and flow patterns in natural wetland systems. 2. The hydrological regulation functions and importance of natural wetlands in their environmental context. 3. Vegetation characteristics of natural wetlands and their functional importance in wetland water pollution control. 4. Techniques for the rehabilitation of degraded wetlands. 5. The role of constructed wetlands in wastewater treatment. 6. Innovative designs and efficiencies of wastewater treatment wetlands. 7. The modeling of hydrological and/or pollutant dynamics in wetland systems. 8. The ecohydrology of wetlands. 9. The role of wetlands in the global carbon cycle. 10. Impacts of climate change and human activities on wetland hydrology and water resources. Recognizing that hydrological and biogeochemical processes are basically coupled in wetlands and their landscapes, manuscripts that report their interactions are particularly welcome.
| Author | : Robert Costanza |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 337 |
| Release | : 2006-06-02 |
| Genre | : Science |
| ISBN | : 0387215557 |
Download Landscape Simulation Modeling Book in PDF, ePub and Kindle
The world consists of many complex systems, ranging from our own bodies to ecosystems to economic systems. Despite their diversity, complex systems have many structural and functional features in common that can be effectively si- lated using powerful, user-friendly software. As a result, virtually anyone can - plore the nature of complex systems and their dynamical behavior under a range of assumptions and conditions. This ability to model dynamic systems is already having a powerful influence on teaching and studying complexity. The books in this series will promote this revolution in “systems thinking” by integrating computational skills of numeracy and techniques of dynamic mod- ing into a variety of disciplines. The unifying theme across the series will be the power and simplicity of the model-building process, and all books are designed to engage the reader in developing their own models for exploration of the dyn- ics of systems that are of interest to them. Modeling Dynamic Systems does not endorse any particular modeling paradigm or software. Rather, the volumes in the series will emphasize simplicity of lea- ing, expressive power, and the speed of execution as priorities that will facilitate deeper system understanding.
| Author | : Jeroen C. J. M. Bergh |
| Publisher | : Cambridge University Press |
| Total Pages | : 266 |
| Release | : 2004-06-10 |
| Genre | : Nature |
| ISBN | : 9781139453592 |
Download Spatial Ecological-Economic Analysis for Wetland Management Book in PDF, ePub and Kindle
Wetlands are very sensitive and valuable ecosystems that are subject to much stress from human activities. The study presented here has developed an innovative triple layer framework for analysis of wetland management. This approach provides support for spatial matching between physical planning, hydrological and ecological processes, and economic activities. The authors describe how integrated modelling at the regional scale can be achieved in practice. Following an introduction to wetlands, theoretical aspects of the contributing disciplines are discussed, as well as various aspects of integrated and spatial modelling. An applied integrated assessment of spatial wetland management for the Vecht area between Amsterdam and Utrecht is then presented. This assessment has resulted in a set of linked hydrological, ecological and economic models, formulated at the level of grids and polders, and various types of evaluations and rankings of scenarios. The results indicate the value of maintaining spatial detail for as long as possible.
