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Books > Science & Mathematics > Biology, life sciences > Hydrobiology > Freshwater biology, limnology

The Ecology of Snow and Ice Environments (Hardcover): Johanna Laybourn-Parry, Martyn Tranter, Andrew J. Hodson The Ecology of Snow and Ice Environments (Hardcover)
Johanna Laybourn-Parry, Martyn Tranter, Andrew J. Hodson
R4,846 Discovery Miles 48 460 Ships in 12 - 19 working days

Snow and ice environments support significant biological activity, yet the biological importance of some of these habitats, such as glaciers, has only recently gained appreciation. Collectively, these ecosystems form a significant part of the cryosphere, most of which is situated at high latitudes. These ice environments are important sentinels of climate change since the polar regions are presently undergoing the highest rates of climate warming, resulting in very marked changes in the extent of ice caps, glaciers, and the sea ice. Glacial systems are also regarded as an analogue for astrobiology, particularly for Mars and the moons of Jupiter (e.g. Europa), and one of the justifications for research in this area is its potential value in astrobiology. This timely and accessible volume draws together the current knowledge on life in snow and ice environments. It describes these often complex and often productive ecosystems, their physical and chemical conditions, and the nature and activity of the organisms that have colonised them. The cryosphere is the domain of extremophiles, organisms able to adapt to the physiological and biochemical challenges of harsh cold conditions where liquid water may only be present for relatively short periods each year. The majority of extremophiles in ice and snow are microorganisms. The Ecology of Snow and Ice Environments is intended for the non-specialist, enabling environmental scientists to understand the biological functioning of extreme cold environments and for biologists to gain knowledge of the nature of the cryosphere.

Polar Lakes and Rivers - Limnology of Arctic and Antarctic Aquatic Ecosystems (Paperback): Warwick F. Vincent, Johanna... Polar Lakes and Rivers - Limnology of Arctic and Antarctic Aquatic Ecosystems (Paperback)
Warwick F. Vincent, Johanna Laybourn-Parry
R1,735 Discovery Miles 17 350 Ships in 12 - 19 working days

This is the first book to describe the ecology of high latitude lakes, rivers and glacial environments in both the North and South polar regions. From the lake-rich floodplains of the Arctic to the deep, enigmatic waters of Lake Vostok, Antarctica, these regions contain some of the most extraordinary aquatic ecosystems on Earth. They provide a fascinating diversity of habitats for plant, animal and microbial communities, and are proving to be valuable model systems for exploring many ecological themes including landscape-lake interactions, adaptation of life to environmental extremes, and controls on the structure and functioning of aquatic ecosystems. Some of these waters also have direct global implications, including permafrost thaw lakes as sources of greenhouse gases, subglacial aquatic environments as a storehouse of ancient microbes, and Arctic rivers as major inputs of freshwater and organic carbon to the World Ocean. Given that many polar areas are experiencing greater climate warming than at lower latitudes, these ecosystems can also be viewed as sentinels of global change.
This timely volume brings together many of the world's leading researchers in polar limnology to describe these diverse aquatic environments and their ecology. It introduces each major ecosystem type, examines the similarities and differences between Arctic and Antarctic systems as well as their responses to environmental change, and describes new frontiers for future research. A glossary of terms is provided for non-specialists, and a set of colour plates introduces the ecosystems and their biota.
Polar Lakes and Rivers will be of value to students and specialist researchers alike, as well as tothose with a more general interest in aquatic ecology, polar environments or global change who require an authoritative overview of this fast emerging topic.

The Biology of Polar Regions (Hardcover, 2nd Revised edition): D.N. Thomas, G. E. Fogg, P. Convey, C. H. Fritsen, J.-M. Gili, R... The Biology of Polar Regions (Hardcover, 2nd Revised edition)
D.N. Thomas, G. E. Fogg, P. Convey, C. H. Fritsen, J.-M. Gili, …
R5,198 Discovery Miles 51 980 Ships in 12 - 19 working days

There is now an increased awareness of the importance of polar regions in the Earth system, as well as their vulnerability to anthropogenic derived change, including of course global climate change. This new edition offers a concise but comprehensive introduction to polar ecology and has been thoroughly revised and updated throughout, providing expanded coverage of marine ecosystems and the impact of humans. It incorporates a detailed comparison of the Arctic and Antarctic systems, with a particular emphasis on the effects of climate change, and describes marine, freshwater, glacial, and terrestrial habitats. This breadth of coverage is unique in the polar biology literature. As with other titles in the Biology of Habitats Series, particular emphasis is placed on the organisms that dominate these extreme environments although pollution, conservation and experimental aspects are also considered. This accessible text is suitable for both senior undergraduate and graduate students taking courses in polar ecology, often as part of a wider marine biology degree programme. It will also be of value and use to the many professional ecologists and conservation biologists requiring a concise overview of the topic.

Ponds, Pools and Puddles (Hardcover): Jeremy Biggs, Penny Williams Ponds, Pools and Puddles (Hardcover)
Jeremy Biggs, Penny Williams
R1,885 R1,484 Discovery Miles 14 840 Save R401 (21%) Ships in 9 - 17 working days

Ponds and pools are a common feature of our landscape – there are at least ten times as many ponds as lakes in the UK – and they are also important wildlife habitats. This book provides a comprehensive and detailed account of these freshwater habitats. The first chapter discusses what ponds, pools and puddles are, how they differ from rivers and lakes, their origin – natural or man-made, the different types of ponds and their abundance and distribution in Britain. A second chapter looks at ponds as ancient natural habitats that have existed for millennia on the earth’s surface. Ancient pond communities, as preserved in inter- and post-glacial sediments, are compared with modern pond communities. This chapter also examines the physical and chemical environment of ponds, covering aspects such as size, shape and depth, hydrology, oxygen and temperature. Ponds, pools and puddles are important wildlife habitats; they are as rich in species as rivers, and support rare and uncommon taxa including about half of Britain’s Red Data Book wetland plant and animal species. The authors give a comprehensive survey of the variety of plant and animal life for which ponds, pools and puddles are a habitat, with a chapter each on plants, invertebrates, amphibians, and fish, birds and mammals. The book discusses the importance of ponds to each of these groups and the ways in which the organisms exploit ponds, describing their habitats and major variations in life cycles. The pond ecosystem and colonisation and succession are discussed in two further chapters, before the final chapter, which is devoted to the subject of conservation and how best to protect and manage ponds and pond wildlife in Britain today. In spite of their evident importance, ponds have been largely ignored by freshwater biologists during this century. Ponds, Pools and Puddles makes an invaluable contribution to raising awareness of these popular, yet frequently underrated freshwater habitats, giving them the attention they rightly deserve.

Wetland Environments - A Global Perspective (Paperback): J Aber Wetland Environments - A Global Perspective (Paperback)
J Aber
R2,968 Discovery Miles 29 680 Ships in 10 - 15 working days

Wetlands - swamp, marsh, bayou, tundra and bog - are places that are rarely visited and often misunderstood but they have, in fact, conspicuous roles in the physical, biological and cultural geography of the world.? They are intrinsically beautiful environments where one may see the natural and essential values in the interaction of water, soil, vegetation, wildlife, and humans.? Wetlands occur at the confluence of unique terrestrial, hydrological and climatic conditions that give rise to some of the most biodiverse regions of the world.? They also play vital roles in the cycling and storage of key nutrients, materials and energy through the Earth's system.

A complete study of wetland environments requires the assessment of their physical and biological attributes, properties and functions of these ecosystems, and the economic, political and social aspects that mediate their use globally.? A systems approach is taken throughout this book which emphasizes the interactions between these elements of wetland ecosystems.? Moreover, selected case studies from across the world are used to illustrate wetland characteristics and circumstances.?

This book is intended to foster a greater awareness and appreciation of wetlands, promote a culture of conservation and wise management, and spread the knowledge that wetlands are important, indeed crucial, elements of the global environment.? Our attempts to understand, manage and enhance wetlands in the twenty-first century are part of the larger effort to maintain a sustainable Earth.

"Readership: " Introductory or intermediate level undergraduates taking courses on wetland environments

Additional resources for this book can be found at: www.wiley.com/go/aber/wetland.

Reef Evolution (Paperback, New): Rachel Wood Reef Evolution (Paperback, New)
Rachel Wood
R2,780 Discovery Miles 27 800 Ships in 12 - 19 working days

Reefs are an extraordinary natural phenomenon. Visible from outer space, coral reefs are the largest biologically constructed features known; in close proximity their spectacular beauty and abundance of life is dazzling. This text documents those biological innovations which have moulded the evolution of reef ecosystems and given rise to the highly complex reef communities found today. The appearance of clonality, the acquisition of photosymbiosis and the radiation of predator groups are all discussed in depth. Data from the fossil record documents the evolutionary development of reef ecosystems. This interdisciplinary approach has the aim of providing an analytical text which will be of value not only to advanced undergraduates and postgraduate courses, but also to researchers in ancient reef ecology.

The Haptophyte Algae (Hardcover): J.C. Green, B.S.C. Leadbeater The Haptophyte Algae (Hardcover)
J.C. Green, B.S.C. Leadbeater
R2,660 R2,518 Discovery Miles 25 180 Save R142 (5%) Ships in 12 - 19 working days

Since the advent of the electron microscope, there has been a dramatic increase in our understanding of the microalgae. With contributions from leading researchers from around the world, this book presents a completely up-to-date survey of the prymnesiophyte algae. Ubiquitous in their distribution--particularly as members of the marine phytoplankton--the prymnesiophyte algae has long been recognized for production of fish toxins and for its importance as geological markers via the preservation of their mineralized remains. But the Prymnesiophyta have achieved considerable notoriety in recent years not only because they have they been responsible for disastrous ichthyotoxic blooms in Scandinavian coastal waters, but because it now appears that their production of volatile sulphur compounds and calcifying mineralization may be adversely affecting our climate. This volume is the first book to bring together the scattered literature on this group and covers all the main aspects of Prymnesiophyte biology--including taxonomy, structure, ecology, biochemistry, origins, and evolution. Students and marine biologists studying algae, plankton, and ecology, as well as botanical microbiologists will want to read this important volume.

Lake Tanganyika and its Life (Hardcover): G. W. Coulter Lake Tanganyika and its Life (Hardcover)
G. W. Coulter
R5,232 Discovery Miles 52 320 Ships in 12 - 19 working days

Lake Tanganyika, situated in the western rift system of East Africa, is the largest in volume of the African Great Lakes and the second deepest lake in the world. It is extremely ancient in comparison with most lakes. The aquatic flora and fauna are remarkable for their diversity and high degree of endemicity, as well as for the numbers of species and genera present. The lake has attracted international interest and much has been written about it. With its comprehensive bibliography, this book should provide a foundation of information that will be useful in further studies.

The Marine Fauna of the British Isles and North-West Europe: Volume I: Introduction and Protozoans to Arthropods (Hardcover):... The Marine Fauna of the British Isles and North-West Europe: Volume I: Introduction and Protozoans to Arthropods (Hardcover)
P.J. Hayward, J.S. Ryland
R5,259 Discovery Miles 52 590 Ships in 12 - 19 working days

This and the companion volume describe and illustrate more than 2000 species, form selected protozoans to fishes, found in the coastal waters of the British Isles and north-western Europe. They cover all benthic habitats, from the intertidal zone to approximately 30 metres depth, and also includes representatives of estuarine and supralittoral faunas. Each major animal group is briefly introduced, with notes on the morphology, biology, and ecology of representative species, together with suitable techniques for their collection and study. Short bibliographies list the most important specialist literature for each group. Identification is facilitated by dichotomous keys, first to families, and then to genera or species. Short diagnostic accounts are given for each family and higher taxon; descriptions of all species treated are followed by notes on their ecological and geographical distribution. All species are illustrated by line drawings, with related species grouped together to facilitate comparisons. The two volumes comprise the most comprehensive account of the marine fauna of British and adjacent waters ever produced. It is intended as a bench work for both the professional and amateur marine biologist, as well as for undergraduate and postgraduate students. It is essentially a practical work; taxonomic and synonymic detail is deliberately kept to a minimum, with emphasis given to identification procedures.

The Marine Fauna of the British Isles and North-West Europe: Volume II: Molluscs to Chordates (Hardcover): P.J. Hayward, J.S.... The Marine Fauna of the British Isles and North-West Europe: Volume II: Molluscs to Chordates (Hardcover)
P.J. Hayward, J.S. Ryland
R5,216 Discovery Miles 52 160 Ships in 12 - 19 working days

This and the companion volume describe and illustrate more than 2000 species, from selected protozoans to fishes, found in the coastal waters of the British Isles and north-western Europe. They cover all benthic habitats, from the intertidal zone to approximately 30 metres depth, and also include representatives of estuarine and supralittoral faunas. Each major animal group is briefly introduced, with notes on the morphology, biology, and ecology of representative species, together with suitable techniques for their collection and study. Short bibliographies list the most important specialist literature for each group. Identification is facilitated by dichotomous keys, first to families, and then to genera or species. Short diagnostic accounts are given for each family and higher taxon; descriptions of all species treated are followed by notes on their ecological and geographical distribution. All species are illustrated by line drawings, with related species grouped together to facilitate comparisons. The two volumes comprise the most comprehensive single account of the marine fauna of British and adjacent waters ever produced. It is intended as a bench work for both professional and amateur marine biologist, as well as for undergraduate and postgraduate students. It is essentially a practical work; taxonomic and synonmic detail is deliberately kept to a minimum, with emphasis given to identification procedures.

Ecology of Aquatic Systems (Paperback, 2nd Revised edition): Michael Dobson, Chris Frid Ecology of Aquatic Systems (Paperback, 2nd Revised edition)
Michael Dobson, Chris Frid
R1,771 Discovery Miles 17 710 Ships in 9 - 17 working days

Aquatic systems exhibit incredible diversity - from mountain streams to deep oceans, from lakes and ponds to the estuaries that link river and sea. Despite their distinct characters, however, these systems share common properties and, at the level of ecology, are not all that different after all. But how can this be? Ecology of Aquatic Systems brings together coverage of freshwater and marine systems to illustrate the principles and properties that unify aquatic systems. Using examples drawn from a wide geographical range, the book presents a broad survey of the field that acts as the ideal foundation for further study. Opening with a review of the different types of aquatic system and their interconnected nature, and the diversity of life within aquatic systems, the book goes on to explore the key types of aquatic habitat, emphasising the ecological themes that pervade each system. Written with students in the centre of the frame, Ecology of Aquatic Systems retains the succinct, lucid style for which the first edition was praised, and includes cross-references throughout, a substantial glossary, and extensive index, to help readers engage with, and fully understand, the material presented. With the global importance of aquatic systems becoming more apparent - and the need for effective management of these systems becoming increasingly clear - there has never been a more important time for students to fully grasp the fundamentals of aquatic systems. Ecology of Aquatic Systems is the ideal course companion to achieve this goal. Online Resource Centre: The Online Resource Centre features: For registered adopters of the text: - Figures from the book in electronic format, ready to download; - A testbank of multiple-choice questions, for use in formative or summative assessment For students: - Hyperlinks to literature articles cited in the text

Wetland Environments - A Global Perspective (Hardcover): J Aber Wetland Environments - A Global Perspective (Hardcover)
J Aber
R3,269 Discovery Miles 32 690 Ships in 12 - 19 working days

Wetlands - swamp, marsh, bayou, tundra and bog - are places that are rarely visited and often misunderstood but they have, in fact, conspicuous roles in the physical, biological and cultural geography of the world.? They are intrinsically beautiful environments where one may see the natural and essential values in the interaction of water, soil, vegetation, wildlife, and humans.? Wetlands occur at the confluence of unique terrestrial, hydrological and climatic conditions that give rise to some of the most biodiverse regions of the world.? They also play vital roles in the cycling and storage of key nutrients, materials and energy through the Earth's system.

A complete study of wetland environments requires the assessment of their physical and biological attributes, properties and functions of these ecosystems, and the economic, political and social aspects that mediate their use globally.? A systems approach is taken throughout this book which emphasizes the interactions between these elements of wetland ecosystems.? Moreover, selected case studies from across the world are used to illustrate wetland characteristics and circumstances.?

This book is intended to foster a greater awareness and appreciation of wetlands, promote a culture of conservation and wise management, and spread the knowledge that wetlands are important, indeed crucial, elements of the global environment.? Our attempts to understand, manage and enhance wetlands in the twenty-first century are part of the larger effort to maintain a sustainable Earth.

"Readership: " Introductory or intermediate level undergraduates taking courses on wetland environments

Additional resources for this book can be found at: www.wiley.com/go/aber/wetland.

Thorp and Covich's Freshwater Invertebrates - Volume 3: Keys to Neotropical Hexapoda (Hardcover, 4th edition): Neusa... Thorp and Covich's Freshwater Invertebrates - Volume 3: Keys to Neotropical Hexapoda (Hardcover, 4th edition)
Neusa Hamada, James H. Thorp, D. Christopher Rogers
R5,085 R4,778 Discovery Miles 47 780 Save R307 (6%) Ships in 12 - 19 working days

Thorp and Covich's Freshwater Invertebrates, Fourth Edition: Keys to Neotropical Hexapoda, Volume Three, provides a guide for identifying and evaluating a key subphylum, hexapoda, for Central America, South America and the Antarctic. This book is essential for anyone working in water quality management, conservation, ecology or related fields in this region, and is developed to be the most modern and consistent set of taxonomic keys available. It is part of a series that is designed to provide a highly comprehensive, current set of keys for a given bioregion, with all keys written in a consistent style. This series can be used for a full spectrum of interested readers, from students, to university professors and government agencies.

Acidification of Freshwaters (Paperback): Anthony Edwards, Malcolm Cresser Acidification of Freshwaters (Paperback)
Anthony Edwards, Malcolm Cresser
R1,163 Discovery Miles 11 630 Ships in 12 - 19 working days

First published in 1987, this book examines the numerous interacting physical, chemical and biological processes which regulate the acidity of freshwaters. Natural acidification processes are considered first, the the effects of acidifying pollutant inputs from the atmosphere and of other human activities. The relative importance of the different processes is critically examined. Concepts incorporated are drawn from chemistry, physics, geology, hydrology, plant science and forestry, soil science, microbiology and meteorology. The authors have attempted to thread the relevant information together to make a coherent story which should be understandable and useful to readers from a number of disciplines: undergraduates and postgraduates studying environmental science, ecology, water quality and hydrogeochemistry; politicians and managers concerned with pollution control. Indeed, most of the text should be understandable to well-informed non-scientists who want (or need) a better grasp of this fascinating and important topic.

The Ecology of Freshwater Molluscs (Paperback): Robert T. Dillon The Ecology of Freshwater Molluscs (Paperback)
Robert T. Dillon
R1,778 Discovery Miles 17 780 Ships in 12 - 19 working days

This book provides a comprehensive review of the ecology of freshwater bivalves and gastropods worldwide. It deals with the ecology of these species in its broadest sense, including diet, habitat and reproductive biology, emphasising in particular the tremendous diversity of these freshwater invertebrates. Following on from these introductory themes, the author develops a life history model that unifies them, and serves as a basis for reviews of their population and community ecology, including treatments of competition, predation, parasitism and biogeography. Extensively referenced and providing a synthesis of work from the nineteenth century onwards, this book includes original analyses that seek to unify previous work into a coherent whole. It will appeal primarily to professional ecologists and evolutionary biologists, as well as to parasitologists.

Chrysophyte Algae - Ecology, Phylogeny and Development (Paperback): Craig D. Sandgren, J. P. Smol, J. Kristiansen Chrysophyte Algae - Ecology, Phylogeny and Development (Paperback)
Craig D. Sandgren, J. P. Smol, J. Kristiansen
R1,593 Discovery Miles 15 930 Ships in 12 - 19 working days

Chrysophytes are beautiful and delicate organisms living mostly in freshwater. They are pivotal for studies of protistan evolution, studies of food web dynamics in oligotrophic freshwater ecosystems, and for assessment of environmental degradation resulting from eutrophication and acid rain. They also represent excellent model cellular systems for studying processes inherent in basic metabolism, biomineralization, endo- and exocytosis and macro-assembly of cell surface layers. This book gives a broad overview of chrysophytes and contains chapters by leading experts organized under the themes of phylogeny, systematics and evolution; development, physiology, and nutrition; and ecology, paleoecology, and reproduction. The book contains major contributions towards a reorganization of chrysophyte systematics, plus comprehensive reviews of chrysophyte basic metabolism, biomineralization and siliceous scale deposition, ecology, paleoecology, and a history of chrysophyte research. Contributors present reviews of the literature in their particular area and also present ideas for future research.

Darwin's Fishes - An Encyclopedia of Ichthyology, Ecology, and Evolution (Paperback): Daniel Pauly Darwin's Fishes - An Encyclopedia of Ichthyology, Ecology, and Evolution (Paperback)
Daniel Pauly
R1,590 Discovery Miles 15 900 Ships in 12 - 19 working days

In Darwin's Fishes, Daniel Pauly presents an encyclopaedia of ichthyology, ecology and evolution, based upon everything that Charles Darwin ever wrote about fish. Entries are arranged alphabetically and can be about, for example, a particular fish taxon, an anatomical part, a chemical substance, a scientist, a place, or an evolutionary or ecological concept. The reader can start wherever they like and are then led by a series of cross-references on a fascinating voyage of interconnected entries, each indirectly or directly connected with original writings from Darwin himself. Along the way, the reader is offered interpretation of the historical material put in the context of both Darwin's time and that of contemporary biology and ecology. This book is intended for anyone interested in fishes, the work of Charles Darwin, evolutionary biology and ecology, and natural history in general.

The Biology of Soft Shores and Estuaries (Paperback): Colin Little The Biology of Soft Shores and Estuaries (Paperback)
Colin Little
R2,414 Discovery Miles 24 140 Ships in 12 - 19 working days

This book describes soft sediments in the sea and in estuaries as habitats for a wide range of animals and plants and techniques used to study them. Designed to be accessible to readers at all levels, it discusses organisms and their adaptations on sandy shores, mudflats, seagrass beds, salt marshes, mangrove swamps and below the tide marks. It emphasizes the special characteristics of estuaries, including life in the estuarine water column and estuarine food webs, and considers pollution problems and conservation approaches.

The Ecology of Freshwater Molluscs (Hardcover): Robert T. Dillon The Ecology of Freshwater Molluscs (Hardcover)
Robert T. Dillon
R4,178 Discovery Miles 41 780 Ships in 12 - 19 working days

Here is a comprehensive review of the ecology of freshwater bivalves and gastropods worldwide. Robert Dillon discusses the ecology of these species in its broadest sense, including diet, habitat, and reproductive biology to emphasize the tremendous diversity of these freshwater invertebrates. He develops a new life history model that unifies them and reviews their population and community ecology, treating competition, predation, parasitism, and biogeography. Extensively referenced and synthesizing work from the nineteenth century through to the present day, this book includes original analyses that unify previous work into a coherent whole.

Behavioural Ecology of Teleost Fishes (Paperback, Revised): Jean-Guy J. Godin Behavioural Ecology of Teleost Fishes (Paperback, Revised)
Jean-Guy J. Godin
R2,746 Discovery Miles 27 460 Ships in 10 - 15 working days

Teleost (bony) fishes represent the most abundant taxonomic group of vertebrates. They are found in all conceivable types of aquatic environment and are extremely diverse behaviourally. Behavioural ecology of teleost fishes reviews the recent advances in knowledge of behavioural strategies and tactics of habitat selection and space use, foraging, predator avoidance and evasion, and reproduction among the teleost fishes. It proposes new directions and approaches for future research. It also considers the impact of individual behaviour on population and community ecology.

River Ecology - Science and Management for a Changing World (Hardcover): Michael A. Mallin River Ecology - Science and Management for a Changing World (Hardcover)
Michael A. Mallin
R3,745 Discovery Miles 37 450 Ships in 12 - 19 working days

Rivers have been vitally important to human populations worldwide for millennia as “highways” for inland travel, and as sources of water for drinking, cooking, cleaning, manufacturing, irrigation, and power generation, as well as repositories for human, animal, and industrial wastes. This accessible textbook takes a broad approach to river ecology, covering the basics but going beyond by including topics that are often overlooked such as blackwater streams and rivers, tidal creek ecosystems, and reservoir limnology. Since most running water (lotic) systems have been altered or impacted by human activities, there is significant emphasis on anthropogenic impacts, including sedimentation, nutrient pollution and related eutrophication issues as well as the effects of dams and river fragmentation, power plant operations, chemical contamination, wastewater treatment discharges, industrial scale livestock production, invasive species, and rural and urban storm water runoff on river ecosystems. Advances in stream and river restoration are also discussed.

Chrysophyte Algae - Ecology, Phylogeny and Development (Hardcover, New): Craig D. Sandgren, J. P. Smol, J. Kristiansen Chrysophyte Algae - Ecology, Phylogeny and Development (Hardcover, New)
Craig D. Sandgren, J. P. Smol, J. Kristiansen
R3,877 Discovery Miles 38 770 Ships in 12 - 19 working days

Chrysophytes are beautiful and delicate organisms living mostly in freshwater. They are pivotal for studies of protistan evolution, studies of food web dynamics in oligotrophic freshwater ecosystems, and for assessment of environmental degradation resulting from eutrophication and acid rain. They also represent excellent model cellular systems for studying processes inherent in basic metabolism, biomineralization, endo- and exocytosis and macro-assembly of cell surface layers. This book gives a broad overview of chrysophytes and contains chapters by leading experts organized under the themes of phylogeny, systematics and evolution; development, physiology, and nutrition; and ecology, paleoecology, and reproduction. The book contains major contributions towards a reorganization of chrysophyte systematics, plus comprehensive reviews of chrysophyte basic metabolism, biomineralization and siliceous scale deposition, ecology, paleoecology, and a history of chrysophyte research. Contributors present reviews of the literature in their particular area and also present ideas for future research.

Riparian Landscapes (Hardcover): George P. Malanson Riparian Landscapes (Hardcover)
George P. Malanson
R3,952 Discovery Miles 39 520 Ships in 12 - 19 working days

Riparian Landscapes examines the ecological systems of streamside and floodplain areas from the perspective of landscape ecology. The specific spatial pattern of riparian vegetation is seen as a result of, and a control on, the ecological, geomorphological, and hydrological processes that operate along rivers. Riparian structures are controlled by the spatial dynamics of channels, flooding and soil moisture. These dynamics are part of integrated cascades of water, sediment, nutrients and carbon, to which animal and plant species respond in ways that illuminate community structure and competition. The role of the riparian zone in controlling species distribution and abundance is discussed. Intelligent management of these valuable ecological resources is highlighted. The potential for linking hydrological, geomorphological and ecological simulation models is also explored. This book will be of interest to graduate and professional research workers in environmental science, ecology and physical geography.

The Biology and Ecology of Streams and Rivers (Hardcover, 2 Revised Edition): Alan Hildrew, Paul Giller The Biology and Ecology of Streams and Rivers (Hardcover, 2 Revised Edition)
Alan Hildrew, Paul Giller
R3,439 Discovery Miles 34 390 Ships in 12 - 19 working days

The challenges that the world's running water systems now face have never been more numerous or acute; at the same time, these complex habitats remain absolutely crucial to human wellbeing and future survival. If rivers can ever be anything like sustainable, ecology needs to take its place as an equal among the physical sciences such as hydrology and geomorphology. A real understanding of the natural history and ecology of running waters must now be brought even more prominently into river management. The primary purpose of this textbook is to provide the up-to-date overview that students and practitioners will require to achieve this aim. The book's unifying focus is on rivers and streams as ecosystems in which the particular identity of organisms is not the main emphasis but rather the processes in which they are involved - specifically energy flow and the cycling of materials. It builds on the physicochemical foundations of the habitat templet and explores the diversity and adaptations of the biota, progressing from the population and community ecology of organisms and linking them to ecosystem processes and services in the wider biosphere via the complexities of species interactions and food webs. These include water quality and patterns of river discharge, as well as aesthetics, waste disposal, and environmental health. While the book is not primarily focused on application per se, each chapter addresses how humans affect rivers and, in turn, are affected by them. A final, future-oriented chapter identifies key strategic areas and sets a roadmap for integrating knowledge of natural history and ecology into policy and management. The Biology and Ecology of Streams and Rivers is an accessible text suitable for both senior undergraduate and graduate students taking courses in both lotic and general ecology as well as more established researchers, practitioners, managers, and conservationists requiring a concise and contemporary overview of running waters.

The Ecology of Freshwater Phytoplankton (Paperback): C.S. Reynolds The Ecology of Freshwater Phytoplankton (Paperback)
C.S. Reynolds
R1,817 Discovery Miles 18 170 Ships in 12 - 19 working days

This book deals with the lifestyles of phytoplankton, the microscopic plant life living in the open waters of lakes, ponds and rivers and makes frequent references to the phytoplankton of the sea. It reviews adaptations required of organisms to live their lives independently of solid surfaces and the different ways that these have been achieved. Chapters dealing with particular topics are arranged in approximately the order in which they become a problem to the organism: How can it stay up in the water? Can it gain sufficient light and nutrients? How fast can it grow under different conditions? And what are the results of sinking out, feeding by animals, attacks by parasitic fungi and bacteria? The final chapter assembles this information to show ways in which plankton changes with season and through much longer periods of time, contrasting the behaviours in different types of lakes. This book is important for two reasons: it is the first major book on the subject for some years and projects many recent research findings; and the approach departs from previous volumes in concentrating on needs and adaptive responses to them.

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