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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere

Multidisciplinary Studies of the Environment and Civilization - Japanese Perspectives (Hardcover): Yoshinori Yasuda, Mark Hudson Multidisciplinary Studies of the Environment and Civilization - Japanese Perspectives (Hardcover)
Yoshinori Yasuda, Mark Hudson
R4,211 Discovery Miles 42 110 Ships in 10 - 15 working days

Multidisciplinary Studies on the Environment and Civilization draws on research from a diverse range of fields across the humanities, social and natural sciences to discover what is needed to develop an affluent, sustainable and resilient world for the twenty-first century and beyond. The contributions throughout this volume build and promote frameworks for an interdisciplinary approach to sustainability both in and beyond Japan. Utilizing research efforts from a broad range of fields such as zoology, biological anthropology and archaeology, these multidisciplinary studies are brought together to assess the impacts humans have had on the environment as well as the role of civilization, culture and heritage in environmental history. This book provides a truly multidisciplinary approach to environmental issues and will be of great interest to graduate students and researchers in fields such as climate, geology, plant taxonomy and marine science as well as those with an interest in Japanese history, archaeology, art and literature.

Triumph of the Fungi - A Rotten History (Hardcover): Nicholas P Money Triumph of the Fungi - A Rotten History (Hardcover)
Nicholas P Money
R1,330 Discovery Miles 13 300 Ships in 10 - 15 working days

This book is concerned with the most devastating fungal diseases in history. These are the plagues of trees and crop plants, caused by invisible spores that have reshaped entire landscapes and decimated human populations. The Triumph of the Fungi focuses on the fascinating biology of the well- and lesser-known diseases, and also tells the stories of the scientists involved in their study, and of the people directly impacted by the loss of forest trees like the chestnut, and cash crops such as coffee and cacao. In a surprisingly brief time, human knowledge of the fungi that infect plants has evolved from Biblical superstition, to the recognition of the true nature of plant disease, and, more recently, to a sense of awe for the sophistication of these microbes. The crucial issue of human culpability in these fungal epidemics is addressed in the books closing chapter.

Advances in Microbial Ecology (Hardcover, 2000 ed.): Bernhard Schink Advances in Microbial Ecology (Hardcover, 2000 ed.)
Bernhard Schink
R2,810 Discovery Miles 28 100 Ships in 18 - 22 working days

Volume 16 of Advances in Microbial Ecology has a difficult history. Nearly halfway through its completion, Gwynfryn Jones had to resign as managing edi tor for health reasons, and he asked me to take over. I want to thank Gwyn for his dedicated work in this publication series, and wish him all the best for the future. After the change in editorship, some authors had to be encouraged on rather short notice to provide their chapters in order to make appearance of this volume possible within a reasonable period of time. Nonetheless, I think that the articles we present with this volume represent an enjoyable collection of up-to-date con tributions to microbial ecology. In my own understanding, microbial ecology com prises the elucidation of microbial activities in natural or semi natural environ ments, including physiology, biochemistry, population dynamics, and interactions with all the biotic and abiotic environmental conditions microbes encounter. This comprises studies on single organisms in defined cultures in an ecological per spective, the analysis of microbial activities in complex environments, as well as the development of concepts for the interactions of microorganisms with the world in which they live. Last but not least, microbial ecology is not an exotic science studied exclusively in remote places untouched by human beings."

The Vegetation of Egypt (Hardcover, 2nd ed. 2009): M. A. Zahran, A.J. Willis The Vegetation of Egypt (Hardcover, 2nd ed. 2009)
M. A. Zahran, A.J. Willis
R5,216 Discovery Miles 52 160 Ships in 18 - 22 working days

This book is an attempt to compile and integrate the information documented by many botanists, both Egyptians and others, about the vegetation of Egypt. The ? rst treatise on the ? ora of Egypt, by Petrus Forsskal, was published in 1775. Records of the Egyptian ? ora made during the Napoleonic expedition to Egypt (1778-1801) were provided by A. R. Delile from 1809 to 1812 (Kassas, 1981). The early beginning of ecological studies of the vegetation of Egypt extended to the mid-nineteenth century. Two traditions may be recognized. The ? rst was general exploration and survey, for which one name is symbolic: Georges-Auguste Schweinfurth (1836-1925), a German scientist and explorer who lived in Egypt from 1863 to 1914. The second tradition was ecophysiological to explain the plant life in the dry desert. The work of G. Volkens (1887) remains a classic on xeroph- ism. These two traditions were maintained and expanded in further phases of e- logical development associated with the establishment of the Egyptian University in 1925 (now the University of Cairo). The ? rst professor of botany was the Swedish Gunnar Tackholm (1925-1929). He died young, and his wife Vivi Tackholm devoted her life to studying the ? ora of Egypt and gave leadership and inspiration to plant taxonomists and plant ecologists in Egypt for some 50 years. She died in 1978. The second professor of botany in Egypt was F. W.

Ecology of Social Evolution (Hardcover, 2008 ed.): Judith Korb, Juergen Heinze Ecology of Social Evolution (Hardcover, 2008 ed.)
Judith Korb, Juergen Heinze
R5,165 Discovery Miles 51 650 Ships in 18 - 22 working days

Research on the evolution of social behaviour has been dominated by genetic relatedness for a long time; however, both recent empirical studies and theoretical concepts give growing evidence for ecological factors acting as very prominent additional or alternative driving forces in social evolution. Now the time is ripe to investigate similarities and differences in the course of social evolution in different animals. This book brings together renowned researchers working on sociality in different animals. For the first time, they compile the evidence for the importance of ecological factors in the evolution of social life, ranging from invertebrate to vertebrate social systems, and evaluate its importance versus that of relatedness.

Modeling the Dynamics and Consequences of Land System Change (Hardcover, 2012): Xiangzheng Deng Modeling the Dynamics and Consequences of Land System Change (Hardcover, 2012)
Xiangzheng Deng
R2,684 Discovery Miles 26 840 Ships in 18 - 22 working days

"Modeling the Dynamics and Consequences of Land System Change" introduces an innovative three-tier architecture approach for modeling the dynamics and consequences of land system change. It also describes the principle, modules and the applications of the three-tier architecture model in detail. The approach holds strong potential for accurate predictions of the land use structure at the regional level, simulating the land use pattern at pixel level and evaluating the consequences of land system change. The simulation results can be used for the planning of land use, urban development, regional development, environmental protection, and also serve as valuable information for decision making concerning land management and optimal utilization of land resources.

The book is intended for the researchers and professionals in land use or land systems, regional environmental change, ecological conservation, as well as the land resource administrative agencies and environmental protection agencies.

Professor Xiangzheng Deng is a senior research fellow at the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, China.

Storm Water Management - Examples from Czech Republic, Slovakia and Poland (Hardcover, 1st ed. 2015): Petr Hlavinek, Martina... Storm Water Management - Examples from Czech Republic, Slovakia and Poland (Hardcover, 1st ed. 2015)
Petr Hlavinek, Martina Zelenakova
R3,850 R3,320 Discovery Miles 33 200 Save R530 (14%) Ships in 10 - 15 working days

This book reviews the current state of the art in managing infrastructure, urban regions, industrial regions and inhabited areas with respect to flooding and water damage. The author is a well-known expert in storm water management, and this book gives a broad overview of the different manageable components that play a role in storm water risks. It includes chapters on planning infrastructure and regional development, modifications in urban regions and localities with buildings and historical buildings, covering different city types and residential areas, housing and commercial zones, as well as housing development. The author then goes on to review different hydrological conditions that make areas safer, or more prone to storm water threats, and capture and store storm water. The last part of the books covers sealed infrastructure and their role in storm water hazards, including roads, public spaces, roofs, and others.

Essential Topics in Ecological Water Quality (Hardcover): Herbert Lotus Essential Topics in Ecological Water Quality (Hardcover)
Herbert Lotus
R2,512 R2,290 Discovery Miles 22 900 Save R222 (9%) Ships in 18 - 22 working days
Current Ornithology (Hardcover, 1992 ed.): D.M. Power Current Ornithology (Hardcover, 1992 ed.)
D.M. Power
R4,152 Discovery Miles 41 520 Ships in 18 - 22 working days

Contributors to this volume offer new research on extinction processes in birds, nest predation, and song systems, and describes a graphical model that helps predict the reproductive consequences of time allocation between the competing demands of guarding young birds and foraging for food. Current Ornithology is the only English-language publication currently devoted exclusively to extensive reviews and synthesis of topics pertaining to all aspects of the biology of birds. Chapters fall under such diverse rubrics as ecology, evolution, behavior, phylogeny, behavioral ecology, anatomy and physiology, and conservation biology. All authors are leading authorities on their subjects, and each chapter is refereed by experts in the topics covered. Although all chapters focus primarily on birds, some topics, such as the social cognition of birds as compared to primates (Volume 13), have significant application to disciplines outside of ornithology. Current Ornithology aims to provide an accessible, up-to-date, accurate source of data and to contribute to conceptual generalization and unification across the biological sciences.

Proceedings of the 10th International Symposium on Insect-Plant Relationships (Hardcover, 1999 ed.): Stephen J. Simpson, A.... Proceedings of the 10th International Symposium on Insect-Plant Relationships (Hardcover, 1999 ed.)
Stephen J. Simpson, A. Jennifer Mordue, Jim Hardie
R4,170 Discovery Miles 41 700 Ships in 18 - 22 working days

Over the past 40 years, the SIP meetings have played a central role in the development of the field of insect-plant relationships, providing both a show-case for current research as well as a forum for the airing and development of influential new ideas. The 10th symposium, held 4-10 July 1998, in Oxford, followed that tradition. The present volume includes a representative selection of fully refereed papers from the meeting, plus a listing of the titles of all presentations. The volume includes reviews of major areas within the subject, along with detailed experimental studies. Topics covered include central neural and chemosensory bases of host plant recognition, integrative studies of insect behaviour, tritrophic interactions, plant defences, insect life histories, plant growth responses, microbial partners in insect-plant associations, and genetic bases of host plant associations. The book provides a key source for students and research workers in the field of insect-plant relationships.

The Longleaf Pine Ecosystem - Ecology, Silviculture, and Restoration (Hardcover, 1st ed. 2006. Corr. 2nd printing 2007): Shibu... The Longleaf Pine Ecosystem - Ecology, Silviculture, and Restoration (Hardcover, 1st ed. 2006. Corr. 2nd printing 2007)
Shibu Jose, Eric J. Jokela, Deborah L Miller
R7,334 Discovery Miles 73 340 Ships in 10 - 15 working days

This book unites a wealth of current information on the ecology, silviculture and restoration of the Longleaf Pine ecosystem. The book includes a discussion of the significant historical, social and political aspects of ecosystem management, making it a valuable resource for students, land managers, ecologists, private landowners, government agencies, consultants and the forest products industry.

Lake Kivu - Limnology and biogeochemistry of a tropical great lake (Hardcover, 2012 ed.): Jean-Pierre Descy, Francois... Lake Kivu - Limnology and biogeochemistry of a tropical great lake (Hardcover, 2012 ed.)
Jean-Pierre Descy, Francois Darchambeau, Martin Schmid
R2,657 Discovery Miles 26 570 Ships in 18 - 22 working days

In the heart of Africa, a unique lake attracts the attention of scientists since the beginning of the 20th century. At the foot of the Virunga volcano chain, Lake Kivu harbors a vast amount of dissolved carbon dioxide and methane, making this lake the most dangerous lake on Earth. But the lake furnishes also many goods and services for surrounding populations and may soon become the most important energy supplier in the area. At the beginning of gas exploitation, the time has come for gathering the large amount of scientific information acquired during past and present research on Lake Kivu. The eleven chapters cover many aspects of the physics, geochemistry and biology of the lake, with a particular focus on the unique physical and geochemical features of the water column and on the ecological functioning of the surface waters. The impacts of the introduced fish species and the potential impacts of methane exploitation are also summarized. This multi-disciplinary book may also be used as an introduction to the limnology and biogeochemistry of large tropical lakes, as it covers various aspects of the physics, geochemistry, biology and ecology of the African Great Rift lakes. "

Rainforest Ecosystems of East Kalimantan - El Nino, Drought, Fire and Human Impacts (Hardcover, 2000 ed.): Edi Guhardja, Mansur... Rainforest Ecosystems of East Kalimantan - El Nino, Drought, Fire and Human Impacts (Hardcover, 2000 ed.)
Edi Guhardja, Mansur Fatawi, Maman Sutisna, Tokunori Mori, Seiichi Ohta
R4,203 Discovery Miles 42 030 Ships in 18 - 22 working days

Since the late 1960s the Indonesian state of East Kalimantan has witnessed a marked increase in the impact of human activities chiefly commercial logging and agricultural exploitation. Located on the island of Borneo, East Kalimantan also was subjected to prolonged droughts and extensive wildfires in 1982-83 and 1997-98 that were linked to the El Nino-Southern Oscillation (ENSO) phenomenon. The changes in the rainforest ecosystem in East Kalimantan during this 15-year cycle of severe ENSO events are the subject of this book. With an eye toward development of rehabilitation techniques for sustainable forest management, the authors examine possible interactive effects of drought, fire, and human impacts on the flora and fauna of the area.

Symbioses and Stress - Joint Ventures in Biology (Hardcover, 2010 Ed.): Joseph Seckbach, Martin Grube Symbioses and Stress - Joint Ventures in Biology (Hardcover, 2010 Ed.)
Joseph Seckbach, Martin Grube
R8,914 Discovery Miles 89 140 Ships in 18 - 22 working days

When one picks up a multiauthored book in a series like this, one wonders what will be distinctive about its contents. one wonders about the "Concept of Symbiosis. " does it have the same meaning for all authors and all potential readers? one is further tempted to question the concept of stress. What is the meaning of the c- cept of stress? Some change in the biotic or abiotic aspects of the environment or habitat of the symbiotic partners? many might support the more general def- tion of symbiosis credited to de bary (1879), that symbiosis is the living together of separately named organisms. Something like Smith's (1992) more restricted PoLLnPia (P ermanent or Long-Lived intimate associations between diffe- ent organisms, usually of different sizes, in which the larger organism, the host, exploits the capabilities of one or more smaller organisms) seems to be a better ft for a book centered on the effects of stress on symbiosis. PoLLnPia implies an integrated holobiont system that has adapted itself to living successfully in a particular environment that could be construed as harsh for nonsymbiotic s- tems. often, when queried for examples, one thinks of lichens, of corals living in oligotrophic tropical waters, of Pompeii worms living in association with che- lithotrophic bacteria, and of all sorts of herbivorous animals living in associations with microorganisms. Presumably, the hosts could not survive, or thrive, in their habitats without their smaller partners doing their trophic work for their holo- otic systems.

Saline Lakes - Publications from the 7th International Conference on Salt Lakes, held in Death Valley National Park,... Saline Lakes - Publications from the 7th International Conference on Salt Lakes, held in Death Valley National Park, California, U.S.A., September 1999 (Hardcover, New edition)
John M. Melack, Robert Jellison, David B. Herbst
R4,102 Discovery Miles 41 020 Ships in 18 - 22 working days

Inland saline waters are threatened worldwide by diversion and pollution of their inflows, introductions of exotic species and economic development of these ecologically valuable habitats. Since 1979 a series of international symposia on inland saline waters has served to strengthen and expand the scope of limnological research on inland saline waters. The seventh conference continued this tradition and the papers derived from the conference focused on the ecology of microbial communities, the influence of habitat geochemistry on biogeography of flora and fauna, physical and geochemical processes, and the conservation of inland saline waters. Of particular note are papers on Walker Lake, Nevada (USA), and the Salton Sea and Mono Lake, California (USA). Continued local, national and international efforts are required to inform the public and decision-makers about the environmental problems faced by saline waters. The papers in this volume will serve this end and should be of interest to aquatic ecologists, limnologists, aquaculturalists, and water resource managers.

Methods and Practice in Biodiversity Conservation (Hardcover, 2010 ed.): David Leslie Hawksworth Methods and Practice in Biodiversity Conservation (Hardcover, 2010 ed.)
David Leslie Hawksworth
R5,191 Discovery Miles 51 910 Ships in 18 - 22 working days

This book brings together a selection of 22 original studies submitted to Biodiversity and Conservation that address aspects of methods and practice in biodiversity conservation. The contributions deal with a wide variety of approaches to site selection and management, especially the use of bioindicators, surrogates, and other approaches to site selection. As no complete inventory of all taxa in any one site has yet been achieved, alternative strategies are essential and bioindicators or surrogates come to the fore. The articles included cover a wide range of organisms used in such approaches to in situ conservation: annelids, anurans, arthropods, birds, bryophytes, butterflies, collembolans, flowering pants, a lobster, molluscs, rodents, and turtles. Further, the habitats considered here embrace estuaries, forests, freshwater, grasslands, the marine, mountains, and sand-dunes, and are drawn from a wide range of countries notably Australia, Brazil, India, Italy, Mexico, Nigeria, Spain, Switzerland, Tanzania, and the U. K.

Cryopreservation, well established for ex situ preservation of bacteria and fungi, is shown here also applied to bryophyte conservation. Finance is always a problem, and the final contribution examines the sources of money available for conservation action in an examplar country, Mexico.

Collectively, the studies presented here provide a snap-shot of the range of methods and practices in use in the conservation of biodiversity today. This makes the volume especially valuable for use in conservation biology and biodiversity management courses.

Reprinted from Biodiversity and Conservation, Volume 18 No 5 (2009)."

A Systems Analysis of the Baltic Sea (Hardcover, 2001): F. V. Wulff, L.A. Rahm, P. Larsson A Systems Analysis of the Baltic Sea (Hardcover, 2001)
F. V. Wulff, L.A. Rahm, P. Larsson
R5,237 Discovery Miles 52 370 Ships in 18 - 22 working days

During recent decades, large-scale effects of pollution on marine estuaries and even entire enclosed coastal seas have become apparent. One of the first regions where this was observed is the Baltic Sea, whereby the appearance of anoxic deep basins, extensive algal blooms and elimination of top predators like eagles and seals indicated effects of both increased nutrient inputs and toxic substances.
This book describes the physical, biochemical and ecological processes that govern inputs, distribution and ecological effects of nutrients and toxic substances in the Baltic Sea. Extensive reviews are supplemented by budgets and dynamic simulation models.
This book is highly interdisciplinary and uses a systems approach for analyzing and describing a marine ecosystem. It gives an overview of the Baltic Sea, but is useful for any marine scientist studying large marine ecosystems.

Karst Environments - Karren Formation in High Mountains (Hardcover, Edition.): Marton Veress Karst Environments - Karren Formation in High Mountains (Hardcover, Edition.)
Marton Veress
R4,252 Discovery Miles 42 520 Ships in 18 - 22 working days

The author of this book has been working in different types of karren landscapes for more than fifteen years. The book summarizes the scientific results of syst- atic observations made during field trips as well as the interpretation of the data collected in the sample localities of the high mountain karren area, and specifically in the European Alps, using modern analytical methods. This book is written for graduate students and university professors of a variety of disciplines such as Physical Geography, Karst Geomorphology, Carbonate Mineralogy, Geology, Environmental Engineering, Forestry, and Soil Science. The introductory chapter of this book underlines the importance of high mo- tain karren formation, in addition to charting the history of karren research at high altitude, and describes the major characteristics of high mountain karstification. Chapter 2 provides information regarding the research sites and methods. In Chapter 3, the general characteristics of the karren formation in different vegetation zones are discussed. In Chapter 4, the specific environment, morphology, formation and the development of the different high mountain karren forms are covered.

Conceptual Ecology and Invasion Biology: Reciprocal Approaches to Nature (Hardcover, 2006 ed.): Marc W Cadotte, Sean M.... Conceptual Ecology and Invasion Biology: Reciprocal Approaches to Nature (Hardcover, 2006 ed.)
Marc W Cadotte, Sean M. Mcmahon, Tadashi Fukami
R5,250 Discovery Miles 52 500 Ships in 18 - 22 working days

The conservation threat represented by invasive species is well-known, but the scientific opportunities are underappreciated. Invasion studies have historically been largely directed at the important job of collecting case studies. Invasion biology has matured to the point of being able to incorporating itself into the heart of ecology, and should be viewed as extensions or critical experiments of ecological theory. In this edited volume, global experts in ecology and evolutionary biology explore how theories in ecology elucidate the invasion processes while also examining how specific invasions informs ecological theory. This reciprocal benefit is highlighted in a number of scales of organization: population, community and biogeographic, while employing example invaders in all major groups of organisms and from a number of regions around the globe.

Cuatro Cienegas Ecology, Natural History and Microbiology (Hardcover, 1st ed. 2018): Valeria Souza, Gabriela Olmedo-Alvarez,... Cuatro Cienegas Ecology, Natural History and Microbiology (Hardcover, 1st ed. 2018)
Valeria Souza, Gabriela Olmedo-Alvarez, Luis E. Eguiarte
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

The aim of this first book is to introduce the readers of the series to why Cuatro Cienegas Basin (CCB) is so unique, starting with the reason why astrobiologists became interested in this oasis in the first place; namely, the high diversity and abundance of stromatolites and microbial mats in continental waters to be found in the desert oasis. As NASA has long since discovered, the basin may offer the best analog of early Earth. In essence, CCB is a time machine that can take us far back and forth in time. In the respective chapters, the contributing authors explain the extraordinary microbial diversity of Cuatro Cienegas Basin from various perspectives. In order to do so, they explain their journey as well as the different tools used to unravel the basin's mysteries, such as: Why are there so many species in a place without food? How has life there survived the enormity of tectonic shifts through the ages, maintaining its ancient marine heritage?

Comparative Analyses of Ecosystems - Patterns, Mechanisms, and Theories (Hardcover, 1991 ed.): Julie C. Morgan Comparative Analyses of Ecosystems - Patterns, Mechanisms, and Theories (Hardcover, 1991 ed.)
Julie C. Morgan; Edited by Jonathan Cole, Gary Lovett, Stuart Findlay
R2,720 Discovery Miles 27 200 Ships in 18 - 22 working days

Arising from the third Cary Conference held in 1989, Comparative Analyses of Ecosystems investigates the utility and limitations of cross-system comparisons in ecology. The contributors, all well-known in their field, support their conclusions on the use and meaning of such comparisons by presenting novel analyses of data utilizing a variety of cross-system approaches in marine, freshwater, and terrestrial systems.

Moving Water - The Everglades and Big Sugar (Hardcover): Amy Green Moving Water - The Everglades and Big Sugar (Hardcover)
Amy Green
R613 R577 Discovery Miles 5 770 Save R36 (6%) Ships in 10 - 15 working days

A riveting story of environmental disaster and political intrigue, Moving Water exposes how Florida's clean water is threatened by dirty power players and the sugar cane industry. Only a century ago, nearly all of South Florida was under water. The Everglades, one of the largest wetlands in the world, was a watery arc extending over 3 million acres. Today, that wetland ecosystem is half of its former self, supplanted by housing for the region's exploding population and over 700,000 acres of crops, including the nation's largest supply of sugar cane. Countless canals, dams, and pump stations keep the trickle flowing, but rarely address the cascade of environmental consequences, including dangerous threats to a crucial drinking water source for a full third of Florida's residents. In Moving Water, environmental journalist Amy Green explores the story of unlikely conservation heroes George and Mary Barley, wealthy real estate developers and champions of the Everglades, whose complicated legacy spans from fisheries in Florida Bay to the political worlds of Tallahassee and Washington. At the center of their surprising saga is the establishment and evolution of the Comprehensive Everglades Restoration Plan (CERP), a $17 billion taxpayer-funded initiative aimed at reclaiming this vital ecosystem. Green explains that, like the meandering River of Grass, the progress of CERP rarely runs straight, especially when it comes up against the fierce efforts of sugar-growing interests, or "Big Sugar," to obstruct the cleanup of fertilizer runoff wreaking havoc with restoration. This engrossing expose tackles some of the most important issues of our time: Is it possible to save a complex ecosystem such as the Everglades-or, once degraded, are such ecological wonders gone forever? What kind of commitments-economic, scientific, and social-will it take to rescue our vulnerable natural resources? What influences do special interests wield in our everyday lives, and what does it take to push real reform through our democracy? A must-read for anyone fascinated by stories of political intrigue and the work of environmental crusaders like Erin Brockovich, as well as anyone who cares about the future of Florida, this book reveals why the Everglades serve as a model-and a warning-for environmental restoration efforts worldwide.

Ecology and Evolution of the Freshwater Mussels Unionoida (Hardcover): G. Bauer, K. Wachtler Ecology and Evolution of the Freshwater Mussels Unionoida (Hardcover)
G. Bauer, K. Wachtler
R4,050 Discovery Miles 40 500 Ships in 18 - 22 working days

Unionoida (naiads) are characterized by larvae which have to pass through a parasitic stage on a host fish. Some of these host-parasite systems are unique, since the generation time of the parasite exceeds that of its host by a factor of ten. There is tremendous life history variation. With a life span of more than 200 years, some naiad species belong to the longest-lived invertebrates, some are highly host-specific, some are extremely fertile, some produce very peculiar larvae, and some occur at very high population densities. This volume describes and explains the characteristics and life histories of the naiads, the interactions with their hosts, and their evolution. It elucidates the manifold implications of their presence or absence in a lake or stream. Further, aspects of nature conservation are covered, as many naiad species are seriously threatened. Some have been used successfully as sensitive pollutant indicators in habitat monitoring and as "archives" for environmental changes.

Alaska's Changing Boreal Forest (Hardcover): F.Stuart Chapin, Mark W. Oswood, Keith Van Cleve, Leslie A. Viereck, David L.... Alaska's Changing Boreal Forest (Hardcover)
F.Stuart Chapin, Mark W. Oswood, Keith Van Cleve, Leslie A. Viereck, David L. Verbyla
R2,858 Discovery Miles 28 580 Ships in 10 - 15 working days

The boreal forest is the northern-most woodland biome, whose natural history is rooted in the influence of low temperature and high-latitude. Alaska's boreal forest is now warming as rapidly as the rest of Earth, providing an unprecedented look at how this cold-adapted, fire-prone forest adjusts to change.
This volume synthesizes current understanding of the ecology of Alaska's boreal forests and describes their unique features in the context of circumpolar and global patterns. It tells how fire and climate contributed to the biome's current dynamics. As climate warms and permafrost (permanently frozen ground) thaws, the boreal forest may be on the cusp of a major change in state. The editors have gathered a remarkable set of contributors to discuss this swift environmental and biotic transformation. Their chapters cover the properties of the forest, the changes it is undergoing, and the challenges these alterations present to boreal forest managers.
In the first section, the reader can absorb the geographic and historical context for understanding the boreal forest. The book then delves into the dynamics of plant and animal communities inhabiting this forest, and the biogeochemical processes that link these organisms. In the last section the authors explore landscape phenomena that operate at larger temporal and spatial scales and integrates the processes described in earlier sections. Much of the research on which this book is based results from the Bonanza Creek Long-Term Ecological Research Program. Here is a synthesis of the substantial literature on Alaska's boreal forest that should be accessible to professional ecologists, students, and the interested public.

Tsunami and Nonlinear Waves (Hardcover, 2007 ed.): Anjan Kundu Tsunami and Nonlinear Waves (Hardcover, 2007 ed.)
Anjan Kundu
R4,049 Discovery Miles 40 490 Ships in 18 - 22 working days

The need for tsunami research and analysis has grown dramatically following the devastating tsunami of December 2004, which affected Southern Asia. This book pursues a detailed theoretical and mathematical analysis of the fundamentals of tsunamis, especially the evolution and dynamics of tsunamis and other great waves. Of course, it includes specific measurement results from the 2004 tsunami, but the emphasis is on the nature of the waves themselves and their links to nonlinear phenomena.

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