Shallow Lakes In A Changing World

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Shallow Lakes In A Changing World

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Author : Ramesh D. Gulati
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-11-03

Shallow Lakes In A Changing World written by Ramesh D. Gulati 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 2007-11-03 with Science categories.

This volume comprises the proceedings of the 5th International Symposium on Shallow Lakes, held at Dalfsen, The Netherlands, in June 2005. The theme of the symposium was Shallow Lakes in a Changing World, and it dealt with water-quality issues, such as changes in lake limnology, especially those driven by eutrophication and pollution, increased nutrient loading and productivity, perennial blooms of cyanobacteria and loss of biodiversity.

Ecology Of Shallow Lakes

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Author : Marten Scheffer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17

Ecology Of Shallow Lakes written by Marten Scheffer 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 2013-04-17 with Science categories.

Ecology of Shallow Lakes brings together current understanding of the mechanisms that drive the diametrically opposite states of water clarity, shown by the cover paintings, found in many shallow lakes and ponds. It gives an outline of the knowledge gained from field observations, experimental work, and restoration studies, linked by a solid theoretical framework. The book focuses on shallow lakes, but the lucid treatment of plankton dynamics, resuspension, light climate and the role of vegetation is relevant to a much wider range of aquatic systems. The models that are used remain simple and most analyses are graphical rather than algebraic. The text will therefore appeal to students, scientists and policy makers in the field of ecology, fisheries, pollution studies and water management, and also to theoreticans who will benefit from the many real-world examples of topics such as predation and competition theory, bifurcation analysis and catastrophe theory. Perhaps most importantly, the book is a remarkable example of how large field experiments and simple models can catalyze our insight into complex ecosystems. Marten Scheffer wrote this book while at the Institute of Inland Water Management and Waste Treatment, RIZA, Lelystad, The Netherlands. He is currently at the Department of Water Quality Management and Aquatic Ecology of the Wageningen Agricultural University. Reviews `Much rarer are textbooks that so succinctly sum up the state-of-the-art knowledge about a subject that they become instant `bibles'. This book is one of these. It is probably one of the best biological textbooks I have read. Scheffer masterfully pulls all this information together under one cover and presents a coherent account, which will serve as a benchmark for the subject. The reader will not gain any great insight into the breeding biology of pike from this book, nor learn much about dragonflies or newts. They will, however, come to understand the essential nature of shallow lakes or, as the author puts it, `how shallow lakes work'. Overall, this book will be of great interest to practical and theoretical ecologists, students and managers in all fields of biology. All freshwater ecologists should certainly read it.' Simon Harrison in Journal of Ecology, 86 `The book by Scheffer can be seen as a milestone in the recognition of shallow lakes as a research topic in its own right. Scheffer uses three approaches concurrently to unravel the functioning of shallow lakes: 1) statistical analysis of large datasets from a variety of lakes; 2) simple abstract models made up of a few non-linear ordinary differential equations, which he calls `mini-models'; and 3) logical reasoning based on a mixture of results from fieldwork, experiments and models. What is new is that Scheffer links mathematics very nicely with what one feels is a correct description of the functioning of a shallow lake. Employing logical reasoning, Scheffer combines all these sources of knowledge into a general, coherent picture of the functioning of a shallow lake.' Wolf Mooij in Aquatic Ecology, 32

Large Asian Lakes In A Changing World

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Author : Steffen Mischke
language : en
Publisher: Springer Nature
Release Date : 2020-05-11

Large Asian Lakes In A Changing World written by Steffen Mischke and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-11 with Science categories.

Describing the natural state of eight important lakes in Asia and the human impact on these lake ecosystems, this book offers a valuable reference guide. Over the past several decades the Aral Sea, Dead Sea, Lake Balkhash and other major lakes in Asia have undergone significant changes with regard to their size, water level, chemical composition, and flora and fauna. Most of these changes resulted from the loss of water from tributaries (now used for irrigation farming) or increasing consumption in local industries and households. However, significant human impacts may have begun as early as 2000 years ago. In addition to the three lakes mentioned above, Lake Sevan (Armenia), the Caspian Sea (Azerbaijan, Iran, Kazakhstan, Russia, Turkmenistan), Lake Issyk-Kul (Kyrgyzstan), and Lake Lop Nur (China) are discussed as the most prominent examples of changing lake ecosystems. In contrast, an example of an almost pristine lake ecosystem is included with the report on Lake Uvs Nuur (Mongolia). For each lake, the book summarizes its origin and early geological history, and reconstructs its natural state and variability on the basis of proxy records from drilled or exposed lake sediments that have accumulated since the last ice age. The frequently observed reductions in lake level and size during most recent decades led often to significant environmental impacts in the respective lake catchments including vegetation deterioration, soil erosion and badland formation, soil salinization or the formation of sinkholes.

Water In A Changing World

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Author : World Water Assessment Programme (United Nations)
language : en
Publisher: Earthscan
Release Date : 2009

Water In A Changing World written by World Water Assessment Programme (United Nations) and has been published by Earthscan this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Business & Economics categories.

The United Nations World Water Development Report, published every three years, is a comprehensive review providing an authoritative picture of the state of the world's freshwater resources. It offers best practices as well as in-depth theoretical analyses to help stimulate ideas and actions for better stewardship in the water sector. It is the only report of its kind, resulting from the collaboration and contributions of the 26 UN agencies, commissions, program, funds, secretariats and conventions that have a significant role in addressing global water concerns.The news media are full of talk of crises - in climate change, energy and food and troubled financial markets. These crises are linked to each other and to water resources management. Unresolved, they may lead to increasing political insecurity and conflict.Water is required to meet our fundamental needs and rising living standards and to sustain our planets fragile ecosystems. Pressures on the resource come from a growing and mobile population, social and cultural change, economic development and technological change. Adding complexity and risk is climate change, with impacts on the resource as well as on the sources of pressure on water.The challenges, though substantial, are not insurmountable. The Report shows how some countries have responded. Progress in providing drinking water is heartening, with the Millennium Development Goal target on track in most regions. But other areas remain unaddressed, and after decades of inaction, the problems in water systems are enormous and will worsen if left unattended.Leaders in the water sector can inform decisions outside their domain and manage water resources to achieve agreed socioeconomic objectives and environmental integrity. Leaders in government, the private sector and civil society determine these objectives and allocate human and financial resources to meet them. Recognizing this responsibility, they must act now!Two volume set: 336 + 96 pages (case studies). Includes CD-ROM.Published jointly with UNESCO Publishing.

The Changing Global Environment

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Author : S.F. Singer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

The Changing Global Environment written by S.F. Singer 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.

We know a great deal about historical climate and its variations from various geo logical studies. There are two points worth remarking on. One is that the climate changes frequently and radically, but that the degree of variation and even sense of variation depends on the time scale which we are considering. Secondly, that this is a most unusual geological period for the Planet Earth; we are living in a period of mountain building and glaciations, whereas during most of the last 250 million years (m.y.) there was little ice and little topography. A good view of climate change of the last hundred m.y. can be gained by looking at the paper of Kellogg. We are now in a period of extensive glaciations. The previous interval occurred 300 to 250 m.y. ago, when even the Sahara was glaciated. (Of course, it was at that time near the position of the South Pole; we know that 300 m.y. ago the continents had not broken apart and formed one land mass.) Apparently between 250 and 20 m.y. ago there was little ice on the Earth, even at Antarctica. Continental basins were flooded by shallow seas. This was the period when plant life and marine life proliferated and when most of our fossil fuels were laid down.

Eurasian Steppes Ecological Problems And Livelihoods In A Changing World

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Author : Marinus J.A. Werger
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-06-14

Eurasian Steppes Ecological Problems And Livelihoods In A Changing World written by Marinus J.A. Werger 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 2012-06-14 with Science categories.

Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the collapse, of communist states. Excessive ploughing and vast influx of people into the steppe zone led to a strong decline in nomadic pastoralism in the Soviet Union and China and in severely degraded steppe ecosystems. In Mongolia nomadic pastoralism persisted, but steppes degraded because of strongly increased livestock loads. After the Soviet collapse steppes regenerated on huge tracts of fallow land. Presently, new, restorative steppe land management schemes are applied. On top of all these changes come strong effects of climate change in the northern part of the steppe zone. This book gives an up-to-date overview of changes in ecology, climate and use of the entire Eurasian steppe area and their effects on livelihoods of steppe people. It integrates knowledge that so far was available only in a spectrum of locally used languages.

Global Change In Multispecies Systems Part Iii

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Author :
language : en
Publisher: Elsevier
Release Date : 2013-09-06

Global Change In Multispecies Systems Part Iii written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-06 with Science categories.

Advances in Ecological Research is one of the most successful series in the highly competitive field of ecology. Each volume publishes topical and important reviews, interpreting ecology as widely as in the past, to include all material that contributes to our understanding of the field. Topics in this invaluable series include the physiology, populations, and communities of plants and animals, as well as landscape and ecosystem ecology. - Topical and important reviews - Interpreting ecology as widely as in the past, to include all material that contributes to our understanding of the field - Topics include the physiology, populations, and communities of plants and animals, as well as landscape and ecosystem ecology

The Role Of Plankton In Freshwater And Marine Ecology

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Author : Leonel Pereira
language : en
Publisher: BoD – Books on Demand
Release Date : 2025-04-10

The Role Of Plankton In Freshwater And Marine Ecology written by Leonel Pereira and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-04-10 with Science categories.

Although often invisible to the naked eye, plankton are fundamental to aquatic ecosystems. These microscopic organisms sustain intricate food webs and drive essential processes like carbon cycling and oxygen production, profoundly influencing the planet. This book explores their fascinating world, combining cutting-edge research with practical insights to highlight their ecological significance and innovative applications. Divided into three thematic sections, the book opens with an exploration of plankton ecology, examining their diversity, interactions, and the environmental factors shaping their behavior. Case studies illustrate long-term shifts in phytoplankton communities and the triggers of harmful algal blooms, providing a foundation for understanding global aquatic ecosystems. The second section shifts to marine and coastal environments, revealing the complex relationships between plankton and their habitats. The final section presents innovations in plankton research, covering mathematical models for optimizing cultivation and the discovery of commercially valuable bio-compounds. These innovations showcase how plankton science is addressing climate change, resource scarcity, and sustainability. Authored by an international team of experts, this book provides a comprehensive resource for researchers, students, and professionals in ecology, environmental science, and biotechnology. By exploring both the ecological roles of plankton and their potential for innovation, readers will gain new insights into these microscopic organisms, understanding their significant impact on the planet and their potential to drive sustainable solutions.

Global Change In Multispecies Systems Part I

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Author : Guy Woodward
language : en
Publisher: Academic Press
Release Date : 2012-11-29

Global Change In Multispecies Systems Part I written by Guy Woodward and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-29 with Nature categories.

Advances in Ecological Research is one of the most successful series in the highly competitive field of ecology. Each volume publishes topical and important reviews, interpreting ecology as widely as in the past, to include all material that contributes to our understanding of the field. Topics in this invaluable series include the physiology, populations, and communities of plants and animals, as well as landscape and ecosystem ecology. Advances in Ecological Research is one of the most successful series in the highly competitive field of ecology Each volume publishes topical and important reviews, interpreting ecology as widely as in the past, to include all material that contributes to our understanding of the field

Encyclopedia Of Inland Waters

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Author :
language : en
Publisher: Academic Press
Release Date : 2009-01-13

Encyclopedia Of Inland Waters written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-13 with Science categories.

Inland aquatic habitats occur world-wide at all scales from marshes, swamps and temporary puddles, to ponds, lakes and inland seas; from streams and creeks to rolling rivers. Vital for biological diversity, ecosystem function and as resources for human life, commerce and leisure, inland waters are a vital component of life on Earth. The Encyclopedia of Inland Waters describes and explains all the basic features of the subject, from water chemistry and physics, to the biology of aquatic creatures and the complex function and balance of aquatic ecosystems of varying size and complexity. Used and abused as an essential resource, it is vital that we understand and manage them as much as we appreciate and enjoy them. This extraordinary reference brings together the very best research to provide the basic and advanced information necessary for scientists to understand these ecosystems – and for water resource managers and consultants to manage and protect them for future generations. Encyclopedic reference to Limnology - a key core subject in ecology taught as a specialist course in universitiesOver 240 topic related articles cover the field Gene Likens is a renowned limnologist and conservationist, Emeritus Director of the Institute of Ecosystems Research, elected member of the American Philosophical Society and recipient of the 2001 National Medal of Science Subject Section Editors and authors include the very best research workers in the field