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Books > Earth & environment > Earth sciences > The hydrosphere > Hydrology (freshwater)

Oil Pollution in the Baltic Sea (Paperback, Softcover reprint of the original 1st ed. 2014): Andrey G. Kostianoy, Olga Yu... Oil Pollution in the Baltic Sea (Paperback, Softcover reprint of the original 1st ed. 2014)
Andrey G. Kostianoy, Olga Yu Lavrova
R6,329 Discovery Miles 63 290 Ships in 10 - 15 working days

This thorough review is based on observational satellite, airborne and in-situ data, scientific literature and technical reports, as well as the substantial experience of the authors, who hail from several Baltic Sea countries. They pay special attention to national practices, HELCOM and EMSA CleanSeaNet activities in oil pollution monitoring, and show different applications of the Seatrack Web model for oil spill drift prediction and the identification of illegal polluters, as well as for environmental risk assessment. Furthermore, some of the results on satellite monitoring of the Nord Stream gas pipeline construction in the Gulf of Finland are presented. This volume addresses the needs of specialists working in different fields of marine, environmental, and remote sensing sciences. It is a useful handbook on oil pollution for international and governmental agencies, as well as for policy makers who plan and manage oil and gas projects, the construction of ports and terminals, shipping, fishery, recreation, and tourist activities in the Baltic Sea. It also offers graduate and undergraduate students in marine and environmental sciences a valuable resource and reference work on the subject.

Oceanography of the East Sea (Japan Sea) (Paperback, Softcover reprint of the original 1st ed. 2016): Kyung-Il Chang, Chang-Ik... Oceanography of the East Sea (Japan Sea) (Paperback, Softcover reprint of the original 1st ed. 2016)
Kyung-Il Chang, Chang-Ik Zhang, Chul Park, Dong-Jin Kang, Se-Jong Ju, …
R4,434 Discovery Miles 44 340 Ships in 10 - 15 working days

This book reviews the research in various fields of oceanography on the responses of the East Japan Sea to climate change. The uniqueness of the East Japan Sea comes from the rapid and amplified response to climate change, which includes long-terms trends of physical and chemical parameters at a rate that almost doubles or even higher the global rate. This book aims to provide in an organized way the results from the previously published knowledge but also to introduce an updated view of the research recently carried out. The book is divided into several parts that comprise the physical, chemical, biological, and geological aspects of the region and fisheries. This book is made for researchers and students working on climate variability as well as for the oceanography community working on world's marginal seas. The research presented in this work will also benefit to researchers from other fields such as social scientists and environmentalists, and also policy makers.

Historical Perspectives of Fisheries Exploitation in the Indo-Pacific (Paperback, Softcover reprint of the original 1st ed.... Historical Perspectives of Fisheries Exploitation in the Indo-Pacific (Paperback, Softcover reprint of the original 1st ed. 2014)
Joseph Christensen, Malcolm Tull
R3,660 Discovery Miles 36 600 Ships in 10 - 15 working days

The waters of the Indo-Pacific were at the centre of the global expansion of marine capture fisheries in the twentieth century, yet surprisingly little has been written about this subject from a historical perspective. This book, the first major study of the history of fishing in Asia and Oceania, presents the case-studies completed through the History of Marine Animal Populations (HMAP) initiative. It examines the marine environmental history and historical marine ecology of the Indo-Pacific during a period that witnessed the dramatic escalation of industrial fishing in these seas.

Typhoon Impact and Crisis Management (Paperback, Softcover reprint of the original 1st ed. 2014): DanLing Tang, Guangjun Sui Typhoon Impact and Crisis Management (Paperback, Softcover reprint of the original 1st ed. 2014)
DanLing Tang, Guangjun Sui
R6,030 Discovery Miles 60 300 Ships in 10 - 15 working days

Major natural hazards have sparked growing public concern worldwide. This book provides new information on Typhoon Impact and Crisis Management using satellite remote sensing technology, linking the natural sciences and social sciences in typhoon studies. It examines remote sensing observations of typhoons (hurricanes), typhoon impacts on the environment, typhoon impacts on marine ecosystems, typhoon impacts and global changes, typhoon (hurricane) impacts on economics, and crisis management for typhoon (hurricane) disasters.

Biology and Culture of Percid Fishes - Principles and Practices (Paperback, Softcover reprint of the original 1st ed. 2015):... Biology and Culture of Percid Fishes - Principles and Practices (Paperback, Softcover reprint of the original 1st ed. 2015)
Patrick Kestemont, Konrad Dabrowski, Robert C Summerfelt
R4,623 Discovery Miles 46 230 Ships in 10 - 15 working days

This extensive work focuses on an important group of temperate freshwater fish, approaching the topic from the perspectives of both biology and aquaculture. It compiles the latest research on fish belonging to the Percidae family and describes in detail all biological aspects relevant to the culture of different species, including ecology, reproductive physiology, feeding and nutrition, genetics, immunology, stress physiology and behavior. It also considers commercial fish production and fish farming topics, such as protocols for induction of gonad maturation, spawning, incubation and larval rearing. Expert contributors not only provide a critical peer review of scientific literature but also original research data, and identify effective practical techniques. The book features chapters on systematics, ecology and evolution, on development, metabolism and husbandry of early life stages and on growth, metabolism, behavior and husbandry of juvenile and grow-out stages. Furthermore, the authors consider genetic improvement and domestication, as well as diseases and health management, crucial to the readers' understanding of these fish and how they can be cultured. Both researchers of percid fish biology and aquaculture professionals who are considering intensive and pond culture of percid fishes will value this timely and comprehensive handbook.)

Molluscan Shellfish Safety (Paperback, Softcover reprint of the original 1st ed. 2014): Gilbert Sauve Molluscan Shellfish Safety (Paperback, Softcover reprint of the original 1st ed. 2014)
Gilbert Sauve
R3,648 Discovery Miles 36 480 Ships in 10 - 15 working days

In a time of rapid climatic, industrial and technological changes in molluscan shellfish producing and exporting regions, it is of the utmost importance to keep a keen eye on developing trends. This collection of recent research in molluscan shellfish safety, risk assessment, risk management, regulation and analytical methods presented at the 8th ICMSS (International Conference on Molluscan Shellfish Safety) offers valuable insights in the latest scientific findings. Dans le contexte actuel de changements climatiques, industriels et technologiques rapides dans les regions qui produisent et qui exportent des mollusques, il est essentiel de rester a l'affut des nouvelles tendances. Ce recueil des recents travaux de recherche dans les domaines de la salubrite des mollusques, des evaluations des risques, de la gestion des risques, de la reglementation et des methodes d'analyse presentes lors de la 8e Conference internationale sur la salubrite des coquillages (ICMSS) vous aidera a le faire.

Implementing Integrated Water Resources Management in Central Asia (Hardcover, 2007 ed.): Patricia Wouters, Victor Dukhovny,... Implementing Integrated Water Resources Management in Central Asia (Hardcover, 2007 ed.)
Patricia Wouters, Victor Dukhovny, Andrew Allan
R5,683 Discovery Miles 56 830 Ships in 10 - 15 working days

The problems afflicting the Aral Sea and its environs as a result of the overuse and abuse of the rivers flowing into it are well documented. Until now, however, it was difficult to hear the voices of those responsible for actually managing those waters. This volume reproduces the proceedings of an Advanced Research Workshop held in Bishkek, which brought together all the most senior water resource managers in Central Asia, from Ministers to local experts and eminent academics. It describes, from the practitionera (TM)s perspective, the problems encountered in the regiona (TM)s efforts to implement integrated water resources management, and solutions that have been put in place in order to address these.

The book sets out the approaches taken by each basin state, by way of the institutional, legal and financial frameworks adopted by them. It details the management practices that have been utilised in order both to surmount potential inter-state conflicts arising from water use disagreements and to make the best use of the available water, and it provides practical examples demonstrating how IWRM has been implemented at more local levels. Ultimately, it conveys the strong spirit of collaboration that drives water management in the five newly independent states.

Algae for Biofuels and Energy (Paperback, 2013 ed.): Michael A. Borowitzka, Navid R. Moheimani Algae for Biofuels and Energy (Paperback, 2013 ed.)
Michael A. Borowitzka, Navid R. Moheimani
R5,704 Discovery Miles 57 040 Ships in 10 - 15 working days

Microalgae are one of the most studied potential sources of biofuels and bioenergy. This book covers the key steps in the production of renewable biofuels from microalgae - strain selection, culture systems, inorganic carbon utilisation, lipid metabolism and quality, hydrogen production, genetic engineering, biomass harvesting, extraction. Greenhouse gas and techno-economic modelling are reviewed as is the 100 year history of microalgae as sources of biofuels and of commercial-scale microalgae culture. A summary of relevant basic standard methods used in the study of microalgae culture is provided. The book is intended for the expert and those starting work in the field.

Infectious Diseases - Selected Entries from the Encyclopedia of Sustainability Science and Technology (Paperback, 2013 ed.):... Infectious Diseases - Selected Entries from the Encyclopedia of Sustainability Science and Technology (Paperback, 2013 ed.)
Phyllis Kanki, D Jay Grimes
R5,766 Discovery Miles 57 660 Ships in 10 - 15 working days

Infectious Diseases: Selected Entries from the Encyclopedia of Sustainability Science and Technology presents authoritative, peer-reviewed contributions from leading experts on a wide range of major infectious diseases of global importance. Infectious diseases account for more than 17 million deaths each year worldwide. While modern medicine and technology have diminished the threat of many of these pathogens in high-income countries, the ever present threats of re-emerging infections, population mobility, natural disasters, and pathogen genetic variability are but some of the reasons for the dynamic threat of this broad category of risks to human health. An indispensable resource for students and scientists, the volume also covers some of the new technologies currently under development for infectious disease prevention, treatment, and eradication. The greater part of the infectious disease burden remains in the tropics, where low and middle-income countries lack the resources, infrastructure, and health systems to mount or sustain control efforts. Many contributions describe the efforts of the scientific research community and international donor agencies to achieve the integrated goals of vigilant surveillance, improved and cost-effective diagnostics, and treatment for sustainable disease control.

Ecological Connectivity among Tropical Coastal Ecosystems (Paperback, 2009 ed.): Ivan Nagelkerken Ecological Connectivity among Tropical Coastal Ecosystems (Paperback, 2009 ed.)
Ivan Nagelkerken
R5,676 Discovery Miles 56 760 Ships in 10 - 15 working days

Mangrove forests, seagrass beds, and coral reefs are circumtropical ecosystems that are highly productive, and provide many important biological functions and economic services. These ecosystems cover large surface areas in the shallow tropical coastal seascape but have suffered from serious human degradation, especially in the last few decades. Part of their diversity, productivity, and functioning seems to be based on their juxtaposition. Especially in the last decade significant advances have been made on new insights into their ecological connectivity. This authoritative book provides a first-time comprehensive review of the major ecological interactions across tropical marine ecosystems that result from the mutual exchange of nutrients, organic matter, fish, and crustaceans. A group of leading authors from around the world reviews the patterns and underlying mechanisms of important biogeochemical and biological linkages among tropical coastal ecosystems in 15 chapters. Included are chapters that review cutting-edge tools to study and quantify these linkages, the importance of such linkages for fisheries, and how tropical ecosystems should be conserved and managed for sustainable use by future generations. The book uses examples from all over the world and provides an up-to-date review of the latest published literature. This book is a 'must read' for professionals working on the conservation, management, and ecology of mangrove, seagrass and coral reef ecosystems.

Diel Vertical Migration of Zooplankton in Lakes and Oceans - causal explanations and adaptive significances (Paperback, 2010... Diel Vertical Migration of Zooplankton in Lakes and Oceans - causal explanations and adaptive significances (Paperback, 2010 ed.)
Joop Ringelberg
R4,371 Discovery Miles 43 710 Ships in 10 - 15 working days

Whatever theory may be advanced to explain diurnal migration, the underlying reactions involved must be demonstrated conc- sively in the laboratory before the explanation can be ?nally accepted George L. Clarke 1933 p. 434 In oceans and lakes, zooplankton often make diel vertical migrations (DVM), descending at dawn and coming up again in late afternoon and evening. The small animals cover distances of 10-40 m in lakes or even a few hundred metres in the open oceans. Although not as spectacular as migrations of birds or the massive movements of large mammals over the African savannas, the numbers involved are very large and the biomass exceed the bulk of the African herds. For example, in the Antarctic oceans swarms of "Krill" may cover kilometres across, with thousands of individuals per cubic metre. These Euphausiids are food for whales, the most bulky animals on earth. Zooplankton are key species in the pelagic food web, intermediary between algae and ?sh, and thus essential for the functioning of the pelagic community. Prey for many, they have evolved diverse strategies of survival and DVM is the most imp- tant one. Most ?sh are visually hunting predators and need a high light intensity to detect the often transparent animals. By moving down, the well-lit surface layers are avoided but they have to come up again at night to feed on algae.

The Comparative Embryology of Sponges (Paperback, 2010 ed.): Alexander V. Ereskovsky The Comparative Embryology of Sponges (Paperback, 2010 ed.)
Alexander V. Ereskovsky
R4,377 Discovery Miles 43 770 Ships in 10 - 15 working days

One of the major questions in the evolution of animals is the transition from unicellular to multicellular organization, which resulted in the emergence of Metazoa through a hypothetical Urmetazoa. The Comparative Embryology of Sponges contains abundant original and literary data on comparative embryology and morphology of the Porifera (Sponges), a group of 'lower Metazoa'. On the basis of this material, original typization of the development of Sponges is given and the problems concerning origin and evolution of Porifera and their ontogenesis are discussed. A morphogenetic interpretation of the body plan development during embryogenesis, metamorphosis and asexual reproduction in Sponges is proposed. Special attention is given to the analysis of characteristic features of the ontogenesis in Porifera. The book pursues three primary goals: 1) generalization of all existing information on individual development of sponges, its classification and a statement according to taxonomical structure of Porifera; 2) revealing of heterogeneity of morphogenesis and peculiarities of ontogeneses in various clades of Porifera, and also their correlations with the organization, both adult sponges, and their larvae; 3) revealing homology of morphogeneses in both Porifera and Eumetazoa, testifying to the general evolutionary roots of multicellular animals, and peculiar features of sponges' morphogeneses and ontogenesis. This book will be of interest to embryologists, zoologists, morphologists and researchers in evolutionary biology.

Health of Antarctic Wildlife - A Challenge for Science and Policy (Paperback, 2009 ed.): Knowles R. Kerry, Martin Riddle Health of Antarctic Wildlife - A Challenge for Science and Policy (Paperback, 2009 ed.)
Knowles R. Kerry, Martin Riddle
R5,634 Discovery Miles 56 340 Ships in 10 - 15 working days

comprehensively up to date. We are most grateful to these authors and to those we recruited to write the additional chapters necessary to fill the significant gaps. We acknowledge also the sacrifice of some who presented results of original research and have thus suffered a longer time than usual to publication. The timing of publication however has provided the opportunity to highlight recent discussions and resolutions made within the Antarctic Treaty forum to protect wildlife against disease and to include responses by Government and non-Government operators in Antarctica. These developments mostly followed from the Workshop on Diseases of Antarctic Wildlife. The book comprises 17 chapters presented in two parts. Wildlife disease consists of reviews, case studies and health assessments, and External factors covers the environmental, administrative and legal aspects. Each chapter is complete and c- tains all references. Six important documents are provided as Appendices. These present methods, reviews and other documents which are referred to in one or more chapters but are not readily available. There are many related topics we have been unable to cover that would enhance the understanding of health and disease processes in Antarctica. While we ackno- edge their importance they are outside the scope of the present volume. Such topics include epidemiology, new and emerging infectious diseases and the effects of climate change. These topics are referred to in the various chapters where ref- ences to source material are given.

Risk-Informed Management of European River Basins (Paperback, Softcover reprint of the original 1st ed. 2014): Jos Brils,... Risk-Informed Management of European River Basins (Paperback, Softcover reprint of the original 1st ed. 2014)
Jos Brils, Werner Brack, Dietmar Muller-Grabherr, Philippe Negrel, Jan E Vermaat
R6,708 Discovery Miles 67 080 Ships in 10 - 15 working days

The growing impacts of economic activities and climate change on the conditions of rivers throughout the world, require a new, integrated approach towards river basin management, an approach that can also cope with an uncertain future. In this volume, leading European scientists and representatives of major stakeholder groups present risk-informed management as this new approach, as developed in the European Commission-funded project RISKBASE. It aims to improve the ecological quality of river basins and thus to sustain the goods and services they provide for the benefit of society. Risk-informed management involves the integrated application of three key-principles: * Being well informed * Managing adaptively * Pursuing a participatory approach The authors explain and underpin these principles in detail, offer inspiring examples from practice and connect them to the implementation of the European Water Framework Directive (WFD). This book is intended for scientists, consultants and practitioners concerned about river basins, world-wide, as well as the drafters and implementers of the WFD River Basin Management Plans.

Flood Geomorphology (Paperback): V.R. Baker Flood Geomorphology (Paperback)
V.R. Baker
R14,083 Discovery Miles 140 830 Ships in 12 - 19 working days

Flood Geomorphology describes and analyzes global causes, effects and dynamics of floods and includes methods for related environmental management. It reviews recent advances in the interdisciplinary study of floods and their effects on landforms, sediments, human works, and populations. The use of morphometric parameters of drainage basins is covered and standard procedures for measuring geomorphically significant variables following a major flood are established. Specific chapters present data on the neglected topic of sedimentation in bedrock fluvial systems, and discuss, from the viewpoint of Holocene stratigraphy, common alluvial systems leading to flood plains. The book includes numerous photographs, illustrations and diagrams of flood effects around the world.

Chemical Structure of Pelagic Redox Interfaces - Observation and Modeling (Paperback, 2013 ed.): Evgeniy V. Yakushev Chemical Structure of Pelagic Redox Interfaces - Observation and Modeling (Paperback, 2013 ed.)
Evgeniy V. Yakushev
R6,398 Discovery Miles 63 980 Ships in 10 - 15 working days

Over the last few decades many studies have focused on the oxygen depletion of coastal and oceanic waters. An understanding of the processes involved is fundamental to assess the effects of global and climatic changes and to support an ecosystem approach to adaptive environmental management for coastal seas and ocean basins. This timely book presents the state-of-the-art of our knowledge of the nature and chemical structure of redox interfaces in a marine water column, oxygen depletion and connected processes. The structures of the redox layers, including the distribution of certain parameters and microbiological features, are described in detail. The volume also covers studies devoted to the interannual variability of some oxygen-depleted systems, modeling and new developments in observation techniques. In addition, it identifies remaining gaps in our knowledge of the cycling of chemical elements in changing redox conditions. The chapters are based on extensive observational data, collected by the authors during sea and shore expeditions, on archive data, and on a broad range of scientific literature.

The Pollution Biology of Aquatic Oligochaetes (Paperback, 2011 ed.): Pilar Rodriguez, Trefor B. Reynoldson The Pollution Biology of Aquatic Oligochaetes (Paperback, 2011 ed.)
Pilar Rodriguez, Trefor B. Reynoldson
R2,868 Discovery Miles 28 680 Ships in 10 - 15 working days

In aquatic ecosystems, the oligochaetes are often a major component of the community. Their relevance in sediment quality assessment is largely related to their benthic and detritivorous life habit. In this book, we aim to present the state of the art of Pollution Biology using oligochaete worms in laboratory and field studies. Future research will require the combination of a variety of methodological approaches and the integration of the resulting information, avoiding fragmented and often conflicting visions of the relationships of the species with their environment. Current approaches to ecotoxicology and bioaccumulation using ecological risk assessment provide the opportunity to relate community studies with probability of effects. This book addresses three main themes: Ecological and Field Studies using the composition and structure of oligochaete communities, Toxicology and Laboratory Studies, and Bioaccumulation and Trophic Transfer Studies. Two appendices list values of toxicological parameters (LC50, EC50) and several bioaccumulation variables (bioaccumulation factors, biological half-life, toxicokinetic coefficients, and critical body residues) for different oligochaete species. Additional information is provided on Methodological Issues and on the Taxonomy of several oligochaete families, with information on the most recent taxonomic debates. Each chapter includes a critical view, based on the authors' experience, of a number of current issues which have been raised in the literature.

Introduction to Numerical Methods for Water Resources (Hardcover, New): W.L. Wood Introduction to Numerical Methods for Water Resources (Hardcover, New)
W.L. Wood
R6,206 Discovery Miles 62 060 Ships in 12 - 19 working days

Numerical methods provide a powerful and essential tool for the solution of problems of water resources. This book gives an elementary introduction to the various methods in current use and demonstrates that different methods work well in different situations and some problems require combinations of methods. It is essential to know something of all of them in order to make a reasoned judgement of current practice. Their applications are discussed and more specialised versions are outlined along with many references making this an invaluable, comprehensive coverage of the field.

The Llobregat - The Story of a Polluted Mediterranean River (Paperback, 2012 ed.): Sergi Sabater, Antoni Ginebreda, Damia... The Llobregat - The Story of a Polluted Mediterranean River (Paperback, 2012 ed.)
Sergi Sabater, Antoni Ginebreda, Damia Barcelo
R5,605 Discovery Miles 56 050 Ships in 10 - 15 working days

The Llobregat belongs to the most thoroughly studied rivers in Europe and is a paradigm of the confluence of human and natural disturbances in a single basin. Because of its location in a very densely populated region and its Mediterranean character, the Llobregat supports a mixture of irregular flow, water abstraction, excess nutrients, mining debris, and a wide array of pollutants. The aquatic organisms strive to survive in a dramatically changing river that passes through a succession of dams, weirs and channels. The long-term river monitoring as well as the research that has been carried out in the river for a long time have provided an extensive knowledge of these disturbances and their effects on the biological communities. This book highlights the available information, with emphasis on the hydrological, chemical and biological elements interspersed in the river. Experts in the field discuss the main nutrient patterns and pollutant occurrence and the responses of the biological quality elements as well as the river ecosystem to the overall natural and man-made influences.

Governability of Fisheries and Aquaculture: Theory and Applications (Paperback, 2013 ed.): Maarten Bavinck, Ratana Chuenpagdee,... Governability of Fisheries and Aquaculture: Theory and Applications (Paperback, 2013 ed.)
Maarten Bavinck, Ratana Chuenpagdee, Svein Jentoft, Jan Kooiman
R3,970 Discovery Miles 39 700 Ships in 10 - 15 working days

Following from Fish for Life - Interactive Governance for Fisheries (Kooiman et al., 2005), which presents an interdisciplinary and intersectoral approach to the governance of capture and aquaculture fisheries, this volume pursues what interactive governance theory and the governability perspective contribute to the resolution of key fisheries problems, these include overfishing, unemployment and poverty, food insecurity, and social injustice. Since these problems are varied and can be felt among governments, resource users and communities globally, the diagnosis must be holistic, and take account of principles, institutions, and operational conditions. The authors argue that 'wicked problems' and institutional limitations are inherent to each setting, and must be included in the analysis. The volume thereby offers a new lens and a systematic approach for analysing the nature of problems and challenges concerning the governance of fisheries, explores where these problems are situated, and how potential solutions may be found. "It now seems clear that the crisis in the world's fisheries [is] a much larger and more complex problem than many had imagined. Yet, examining it through the lens of governability may offer the best hope for alleviating it--as well as alleviating similar crises in other social systems." James R. McGoodwin (Professor Emeritus, University of Colorado)

The Earth's Cryosphere and Sea Level Change (Paperback, 2012 ed.): Lennart Bengtsson, Simeon Koumoutsaris, R.-M Bonnet,... The Earth's Cryosphere and Sea Level Change (Paperback, 2012 ed.)
Lennart Bengtsson, Simeon Koumoutsaris, R.-M Bonnet, Einar-Arne Herland, Philippe Huybrechts, …
R2,890 Discovery Miles 28 900 Ships in 10 - 15 working days

This book gives a comprehensive overview of our present understanding of the Earth's cryosphere, its changes and their consequences for mean sea level changes. Since the middle of the 19th century there has been an increase of sea level height by 20-25 cm. Some 8-10 cm of this is due to net losses from glaciers, the remainder being due to mass losses from land ice and thermal expansion of the oceans. The mean sea level rise is slowly accelerating; at present it is some 3 mm/year. Recent space observations made by the GRACE satellite combined with ocean temperature and volume measurements have enabled the separate contributions to sea level rise from melting ice and from thermal expansion to be better estimated. The estimation of mean sea level change is complicated by changes in land level due to tectonic effects and to ongoing changes following the latest major glaciation. The book gives an up-to-date survey of our present knowledge of this crucial subject.

Applied Limnology - Comprehensive View from Watershed to Lake (Paperback, 2014): Mohammadreza Gharibreza, Muhammad Aqeel Ashraf Applied Limnology - Comprehensive View from Watershed to Lake (Paperback, 2014)
Mohammadreza Gharibreza, Muhammad Aqeel Ashraf
R2,180 Discovery Miles 21 800 Ships in 10 - 15 working days

A multidisciplinary study of the Bera Lake is presented here, focusing on natural resources throughout the lake s catchment area and assessing environmental impact. This applied limnology study examines issues relating to land development including soil erosion and nutrient loss in the catchment area, severe pollution of water, sediment resources in open waters and wetlands, and reduction of aquatic and bird populations. The chapters provide a comprehensive view of problems, risks and possible mitigation measures associated withthis great natural habitat in Malaysia. The book highlights the technology and methods used to estimate both soil erosion rate and nutrient loss from the lake catchment, including an explanation of the measurement of sedimentation rate in Bera Lake, using 137Cs and 210Pb radioisotopes. The author examines the current and historic situation of contamination in sediments, presents an ecological risk assessment and finally describes a master management plan, proposing practices to mitigate the environmental impacts of existing agricultural projects and practices to control future projects. Readers will learn of a decrease in the watershed supply of water to the Bera Lake, of shoaling, degradation of water and sediment quality and the extinction of several kinds of flora and fauna. This volume also offers an approach to sustainable land use, with regard to natural resources conservation."

Seaweed Biology - Novel Insights into Ecophysiology, Ecology and Utilization (Paperback, 2012 ed.): Christian Wiencke, Kai... Seaweed Biology - Novel Insights into Ecophysiology, Ecology and Utilization (Paperback, 2012 ed.)
Christian Wiencke, Kai Bischof
R9,579 Discovery Miles 95 790 Ships in 10 - 15 working days

Seaweeds, also known as macroalgae, are among the most important primary producers and act as ecological engineers on rocky coasts of the world's oceans. In addition to their extreme ecological importance they are also of high economic relevance. Complementing available textbooks with its more research-oriented approach, this volume contains 22 chapters by renowned experts, grouped in five parts. In Part I fundamental processes and acclimation strategies of seaweeds towards the abiotic environment are covered. Part II focuses on the multitude of biotic interactions in seaweed communities, and in Part III the reader is introduced to the structure and function of the main seaweed systems of the world. The chapters of Part IV highlight and discuss the effects of global and local environmental changes on seaweeds and their communities. In the final Part V a comprehensive overview of developments in seaweed aquaculture, industrial applications and the overall economic importance of seaweeds is provided. Summarizing the advances in seaweed biology achieved within the last few decades, this book also identifies gaps in the present knowledge and needs for future research.

Biology of Marine Fungi (Paperback, 2012): Chandralata Raghukumar Biology of Marine Fungi (Paperback, 2012)
Chandralata Raghukumar
R6,331 Discovery Miles 63 310 Ships in 10 - 15 working days

The diversity, ecological role and biotechnological applications of marine fungi have been addressed in numerous scientific publications in the last few years. This enormous spurt of information has led to a dire need among students and professionals alike for a source, which contains comprehensive reviews of various aspects of marine fungi. This book addresses this need, especially since it is written by reputed marine mycologists. The latest information on topics including molecular taxonomy and phylogeny, ecology of fungi in different marine habitats such as deep sea, corals, dead- sea, fungi in extreme marine environments and their biotechnological applications is reviewed. The book presents a comprehensive source of information and analysis aimed at marine fungi for researchers, teachers and students of marine mycology.

Nonlinear Internal Waves in Lakes (Paperback, 2012 ed.): Kolumban Hutter Nonlinear Internal Waves in Lakes (Paperback, 2012 ed.)
Kolumban Hutter
R4,324 Discovery Miles 43 240 Ships in 10 - 15 working days

Internal wave dynamics in lakes (and oceans) is an important physical component of geophysical fluid mechanics of 'quiescent' water bodies of the Globe. The formation of internal waves requires seasonal stratification of the water bodies and generation by (primarily) wind forces. Because they propagate in basins of variable depth, a generated wave field often experiences transformation from large basin-wide scales to smaller scales. As long as this fission is hydrodynamically stable, nothing dramatic will happen. However, if vertical density gradients and shearing of the horizontal currents in the metalimnion combine to a Richardson number sufficiently small (< 1/4), the light epilimnion water mixes with the water of the hypolimnion, giving rise to vertical diffusion of substances into lower depths. This meromixis is chiefly responsible for the ventilation of the deeper waters and the homogenization of the water through the lake depth. These processes are mainly formed as a result of the physical conditions, but they play biologically an important role in the trophicational state of the lake.

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