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Books > Earth & environment > Geography > Physical geography > General

Making Ecologies on Private Land - Conservation Practice in Rural-Amenity Landscapes (Hardcover, 1st ed. 2020): Benjamin Cooke,... Making Ecologies on Private Land - Conservation Practice in Rural-Amenity Landscapes (Hardcover, 1st ed. 2020)
Benjamin Cooke, Ruth Lane
R1,521 Discovery Miles 15 210 Ships in 18 - 22 working days

This book explores conservation practices on private land, based on research conducted with landholders in the hinterlands of Melbourne, Australia. It examines how conservation is pursued as an intimate interaction between people and ecologies, suggesting that local ecologies are lively participants in this process, rather than simply the object of conservation, and that landholders develop their ideas of environmental stewardship through this interaction. The book also explores the consequences of private property as a form of spatial organisation for conservation practice; the role of formative interactions with ecologies in producing durable experiential knowledge; how the possibilities for contemporary conservation practice are shaped by historical landscape modification; and how landholders engage with conservation covenants and payment schemes as part of their conservation practice. The authors conclude with ideas on how goals and approaches to private land conservation might be reframed amid calls for just social and ecological outcomes in an era of rapid environmental change.

Biogeography - A Study of Plants in the Ecosphere (Hardcover, 3rd edition): Joy Tivy Biogeography - A Study of Plants in the Ecosphere (Hardcover, 3rd edition)
Joy Tivy
R5,800 Discovery Miles 58 000 Ships in 10 - 15 working days

The third edition of this classic text, presents a broad-based study of the variations in the form and functioning of the biosphere at regional and global scale.

Fingerponds: Managing Nutrients & Primary Productivity For Enhanced Fish Production in Lake Victoria's Wetlands Uganda... Fingerponds: Managing Nutrients & Primary Productivity For Enhanced Fish Production in Lake Victoria's Wetlands Uganda (Hardcover)
Rose Kaggwa
R4,065 Discovery Miles 40 650 Ships in 10 - 15 working days

Fingerponds are earthen ponds dug at the edge of natural wetlands and stocked naturally with wild fish during flooding. They preserve the wetland environment in which they are situated while maintaining a productive culture system. In this study, the importance of organic manure applications in enhancing nutrient levels, phytoplankton and periphyton productivities and ultimately fish production was examined in experimental Fingerponds set up with the participation of local communities in Uganda. Results show that organic manures enhance algal development and fish production in Fingerponds, but close monitoring and control are needed. Fish yields in Fingerponds can be enhanced to 1500 - 2800 kg/ha over a functional period of 200 to 300 days using animal manure (e.g. chicken), fermented green manure and artificial substrates for periphyton development. Good management practices are required to regulate pond inputs and conditions. High clay turbidity, nitrogen limitation and high recruitment of fish can limit fish production. Overall, Fingerponds were shown to be an effective addition to protein production for poor riparian communities in East Africa and are recommended for adoption.

Environmental Modelling with GIS and Remote Sensing (Hardcover): Andrew Skidmore Environmental Modelling with GIS and Remote Sensing (Hardcover)
Andrew Skidmore
R5,775 Discovery Miles 57 750 Ships in 10 - 15 working days

Most government agencies and private companies are investing significant resources in the production and use of geographical data. The capabilities of Geographical Information Systems (GIS) for data analysis are also improving, to the extent that the potential performance of GIS software and the data available for analysis outstrip the abilities of managers and analysts to use and analyze the information. This is especially true for environmental applications. Here the need to keep up-to-date is essential for providing effective and efficient services. Environmental Modeling with GIS and Remote Sensing derives from a training course run by ITC for professionals and managers in the environmental sciences, detailing the applications of remote sensing and GIS for environmental modeling and assessment. It sets out the current research results and provides operational methods for environmental mapping and monitoring.

Building a Survival Kit - A Waterproof Folding Guide to the Key Components for Wilderness Survival (Pamphlet): Dave Canterbury,... Building a Survival Kit - A Waterproof Folding Guide to the Key Components for Wilderness Survival (Pamphlet)
Dave Canterbury, Waterford Press
R192 Discovery Miles 1 920 Ships in 10 - 15 working days

Building a Survival Kit will help you to survive adverse outdoor conditions: heat, cold or extreme weather. Staying warm and dry is essential and you'll learn how to protect your Core Temperature (CTC) while saving (heat) calories through less energy output. Tips will include essential supplies to bring should an emergency occur. This guide is waterproof and nearly indestructible. It can fit in a back pocket so you can have vital information when you need it. A must-have for the serious wilderness explorer. Co-authored by noted survival expert and woodsman Dave Canterbury, this is one of a 10-part series on survival skills.

Remote Sensing the Mekong (Hardcover): Claudia Kuenzer, Patrick Leinenkugel, Stefan Dech Remote Sensing the Mekong (Hardcover)
Claudia Kuenzer, Patrick Leinenkugel, Stefan Dech
R4,916 Discovery Miles 49 160 Ships in 10 - 15 working days

The Mekong Basin in Southeast Asia is one of the largest international river basins in the world. Its abundant natural resources are shared by six riparian countries and provide the basis for the livelihoods of more than 75 million people. However, ongoing socio-economic growth and related anthropogenic interventions impact the region's ecosystems, and there is an urgent need for the monitoring of the basin's land surface dynamics. Remote sensing has evolved as a key tool for this task, allowing for up-to-date analyses and regular monitoring of environmental dynamics beyond physical or political boundaries and at various temporal and spatial scales. This book serves as a forum for remote-sensing scientists with an interest in the Mekong River Basin to present their recent basin-related works as well as applied case studies of the region. A broad range of sensors from high to medium resolution, and from multispectral to SAR systems, are applied, covering topics such as land cover/land use classification and comparison, time series analyses of climate variables, vegetation structure and vegetation productivity, as well as studies on flood mapping or water turbidity monitoring. This book was originally published as a special issue of the International Journal of Remote Sensing.

Introduction to Coastal Processes and Geomorphology (Hardcover, 2nd edition): Gerd Masselink, Michael Hughes, Jasper Knight Introduction to Coastal Processes and Geomorphology (Hardcover, 2nd edition)
Gerd Masselink, Michael Hughes, Jasper Knight
R5,795 Discovery Miles 57 950 Ships in 10 - 15 working days

The world's coastlines represent a myriad of dynamic and constantly changing environments. Heavily settled and intensely used areas, they are of enormous importance to humans and understanding how they are shaped and change is crucial to our future.Introduction to Coastal Processes and Geomorphologybegins by discussing coastal systems and shows how these systems link to the processes examined in detail throughout the book. These include the morphodynamic paradigm, tides, waves and sediment transport. Later chapters explore fluvial deltas, estuaries, beaches and barriers, coastal sand dunes and geologically-influenced coasts such as cliffs, coral reefs and atolls. A new chapter addresses the forward-facing aspect of coastal morphodynamics, including the ways in which coasts respond to rapid climate changes such as present day global warming. Also new to this second edition is a chapter on future coasts which considers the wider effects of coastal change on other important aspects of coastal systems, including ecology, management, socio-cultural activities, built and natural heritage, and archaeology. Case studies using examples from around the world illustrate theory in practice and bring the subject to life. Each chapter starts by outlining the 'aims' and questions at the end allow you to track your progress.

Basic Biogeography (Hardcover, 2nd edition): N.V. Pears Basic Biogeography (Hardcover, 2nd edition)
N.V. Pears
R5,476 Discovery Miles 54 760 Ships in 10 - 15 working days

First published in 1985. This is the is the second edition of a study looking at ecology and biogeography with updated chapters including current research. It starts with the with the study of plants to gain an understanding of the complexities of ecological relationships.

Trees, Forested Landscapes and Grazing Animals - A European Perspective on Woodlands and Grazed Treescapes (Paperback): Ian D.... Trees, Forested Landscapes and Grazing Animals - A European Perspective on Woodlands and Grazed Treescapes (Paperback)
Ian D. Rotherham
R1,635 Discovery Miles 16 350 Ships in 10 - 15 working days

In this comprehensive book, the critical components of the European landscape - forest, parkland, and other grazed landscapes with trees are addressed. The book considers the history of grazed treed landscapes, of large grazing herbivores in Europe, and the implications of the past in shaping our environment today and in the future. Debates on the types of anciently grazed landscapes in Europe, and what they tell us about past and present ecology, have been especially topical and controversial recently. This treatment brings the current discussions and the latest research to a much wider audience. The book breaks new ground in broadening the scope of wood-pasture and woodland research to address sites and ecologies that have previously been overlooked but which hold potential keys to understanding landscape dynamics. Eminent contributors, including Oliver Rackham and Frans Vera, present a text which addresses the importance of history in understanding the past landscape, and the relevance of historical ecology and landscape studies in providing a future vision.

Understanding Weather (Hardcover): Karel Karel Hughes, Julian Mayes Understanding Weather (Hardcover)
Karel Karel Hughes, Julian Mayes
R5,341 Discovery Miles 53 410 Ships in 10 - 15 working days

Weather provides a wide variety of stimuli for our senses. The sound of thunder and gales, the smell of damp soil at the start of a summer thunderstorm are but temporary phenomena while the visual panorama of the changing sky that provides a more revealing insight into the workings of the dynamic atmosphere. Understanding Weather shows how it is possible to understand weather and climate by combining our ability to observe weather systems from the earth's surface with visualisation from above - notably by means of satellite imagery. This fusion of human observation with the contrasting capabilities of remote sensing gives us a new perspective for exploring the three dimensional atmosphere. Remote sensing imagery and real-time weather information are now widely available through the internet, allowing the reader to relate the case studies to today's weather situation. As with all sciences, understanding starts with careful observation. This books aims to show that it is possible to analyse global weather systems through a visual approach rather than the traditional use of mathematics and physics. After examining the interaction of atmospheric heat, moisture and motion in a non-technical style, the contrasting but complementary techniques of weather observation from 'below' and 'above' are compared. The world's climates are then surveyed with key weather features illustrated by satellite imagery, highlighting the way in which weather events may develop into atmospheric hazards.

Engineering Response to Climate Change (Paperback, 2nd edition): Robert G Watts Engineering Response to Climate Change (Paperback, 2nd edition)
Robert G Watts
R3,396 Discovery Miles 33 960 Ships in 10 - 15 working days

A clear, concise discussion of today's hottest topics in climate change, including adapting to climate change and geo-engineering to mitigate the effects of change, Engineering Response to Climate Change, Second Edition takes on the tough questions of what to do and offers real solutions to the practical problems caused by radical changes in the Earth's climate. From energy consumption and carbon dioxide emissions reduction, to climate-altering technologies, this new edition explores the latest concerns such as acidification of the ocean, energy efficiency, transportation, space solar power, and future and emerging possibilities. The editors set the stage by discussing the separate issues of the emissions of radiatively important atmospheric constituents, energy demand, energy supply, agriculture, water resources, coastal hazards, adaption strategies, and geo-engineering. They explain the difference between the natural and human drivers of climate change and describe how humans have influenced the global climate during past decades. Each chapter concludes with discussion questions, calculations, and possible research topics. See What's in the Second Edition: New conceptual tools and research necessary for problems associated with fossil fuels Cutting-edge topics such as adaption and geo-engineering The latest concerns such as acidification of the ocean, energy efficiency, transportation, and space solar power Solutions to problems caused by changes in the Earth's climate So much has changed in the 15 years since the publication of the first edition, that this is, in effect, a completely new book. However, the general theme is the same: the climate energy problem has become largely an engineering problem. With this in mind, the book explores what engineers can do to prevent, mitigate, or adapt to climate change.

The Circumpolar North - A Political and Economic Geography of the Arctic and Sub-Arctic (Hardcover): Terence Armstrong, George... The Circumpolar North - A Political and Economic Geography of the Arctic and Sub-Arctic (Hardcover)
Terence Armstrong, George Rogers, Graham Rowley
R3,081 Discovery Miles 30 810 Ships in 10 - 15 working days

First Published in 1978, The Circumpolar North is designed for anyone with a more than superficial interest in the northern regions of our planet, geographical, economic, social, or political. The primary importance of North today is as a source of raw materials, as a world crossroads, and as a touchstone of the way nations behave towards their minority groups. Strategic considerations have led to the expenditure of vast sums of money; but world population expansion has not yet affected the northlands and their preservation in a natural state is still a feasible objective. The authors are experts in their own areas and have provided regional chapters on each of the land and ocean areas. The book compares the different approaches of the countries involved and deals also, in the context of the northern seas, with another political dimension – the relations between nations and their success in achieving international management of resources. This is an interesting read for scholars of geography, international relations and international economics.

The Psychology of Travel (Hardcover): Andrew Stevenson The Psychology of Travel (Hardcover)
Andrew Stevenson
R4,046 Discovery Miles 40 460 Ships in 10 - 15 working days

Why do we travel? Are holidays good for our health? What are the social and psychological factors that drive us to move? The Psychology of Travel provides an eclectic introduction to the range of travel experiences from commuting, to going on holiday, to studying abroad. Travel is a near-universal experience and manifests itself in various forms, from everyday experiences to exotic adventure, although it varies across time and cultures. The book unpacks the concept of travel, and engages with topics including migration, wellbeing, acculturation, wayfinding, slow travel, place attachment and nostalgia, and brings them into sharp focus in relation to globalisation and climate change, By asking what drives us to journey and offering key insights into the psychological factors behind different kinds of travel, The Psychology of Travel introduces the reader to new ways of thinking about global mobility and movement.

Glaciers (Hardcover): Peter Knight Glaciers (Hardcover)
Peter Knight
R4,503 Discovery Miles 45 030 Ships in 10 - 15 working days

This book offers a comprehensive and detailed summary of our knowledge and understanding of glaciers and sets them within a global environment context. The text explains the significance both of recent advances in glaciology, and of teh many research problms that remain to be solved. The accessible style adopted in the text facilitates a clear understanding of glaciers and the role they play in global issues such as environmental change, geoorphology and hydrology. The use of complex mathematics is avoided as the reader is introduced to important concepts and techniques in modern glaciology such as deforming beds, migrating ice-divides and stable isotope analysis. This is an essential reference book for sutdents, professional geologists and researchers and would be ideal for those who want either a rapid up-date or an introduction to the subject. The books' discussion of recent discoveries and of reserch issues for the future, supported by a thorough reference list, enables readers to pursue their own areas of particular interest.

Plant Geography (Hardcover): Martin Kellman Plant Geography (Hardcover)
Martin Kellman
R2,801 Discovery Miles 28 010 Ships in 10 - 15 working days

Originally published in 1975 and in a second edition in 1980, Plant Geography was the first text in biogeography that provided an adequate treatment of modern plant population theory. It is an introduction to the subject for students of both geography and biology. The author develops a series of plant geographic concepts that are based primarily in plant population biology, treating in turn processes that operate at the level of the individual plant and the plant population; interactions between plant populations; environmental conditions and plant dissemination in shaping plant species’ distributions, and the geography of vegetation. Emphasis throughout is placed upon the dynamic nature of the earth’s plant cover, and the interplay between contemporary conditions and historical events in shaping plant distributions and evolution.

African-American Holiness Pentecostal Movement - An Annotated Bibliography (Paperback): Sherry S DuPree African-American Holiness Pentecostal Movement - An Annotated Bibliography (Paperback)
Sherry S DuPree
R1,581 Discovery Miles 15 810 Ships in 10 - 15 working days

First Published in 1996. Routledge is an imprint of Taylor & Francis, an informa company.

Coastal Problems - Geomorphology, Ecology and Society at the Coast (Hardcover): Heather Viles, Tom Spencer Coastal Problems - Geomorphology, Ecology and Society at the Coast (Hardcover)
Heather Viles, Tom Spencer
R4,488 Discovery Miles 44 880 Ships in 10 - 15 working days

As coastal populations burgeon, problems of erosion, pollution and coastal change are becoming ever more serious and necessitate scientifically informed management strategies. This authoritative new study discusses the causes of, and possible solutions to, some of the more pressing problems at the coast, against a background of the natural geomorphological and ecological workings of coastal environments. A holistic approach to the understanding of coastal problems is suggested, which integrates geomorphology, ecology and society through a consideration of the basic processes at work. Coastal problems are caused by both human and natural impacts, often working in conjunction with each other; thus drawing on their wide experience of temperate and tropical coasts the authors consider all types of coastal problems, ranging from those produced entirely naturally to those where the human impact dominates. Extensive use is made of case studies drawn from around the world, from beach erosion along the Nigerian coast to the recovery of the Vietnamese mangroves from war damage. A major theme of the book is that, given recent downgrading of predictions of future sea level rise, it is the distinctive geomorphological, ecological and societal aspects of each coast which are the vital factors. 'Coastal Problems' brings together material vital to any attempts to understand and manage our coasts and will be of interest to all those concerned with the environment and its management.

Soil Management - Problems and Solutions (Hardcover): Michael A. Fullen, John A. Catt Soil Management - Problems and Solutions (Hardcover)
Michael A. Fullen, John A. Catt
R5,352 Discovery Miles 53 520 Ships in 10 - 15 working days

The soil is a fundamental constituent of the Earth's system, maintaining a careful state of equilibrium within the biosphere. However, this natural balance is being increasingly disturbed by a variety of anthropogenic and natural processes, leading to the degradation of many soil environments. Soil Management provides a comprehensive and authoritative introduction to the many problems, challenges and potential solutions facing soil management in the twenty-first century. Covering a range of topics, including erosion, desertification, salinization, soil structure, carbon sequestration, acidification and chemical pollution, the book also develops a prognosis for the future of soil management in the face of growing populations and global warming. Written with the needs of students in mind, each chapter provides a broad overview of a problem, analyses approaches to its solution and concludes with references and suggestions for further reading. Soil Management will be of great value to environmental science and geography undergraduates taking soil management courses in their second or third year.

Ecosystem Services - Economics and Policy (Hardcover, 1st ed. 2019): Stephen Muddiman Ecosystem Services - Economics and Policy (Hardcover, 1st ed. 2019)
Stephen Muddiman
R2,427 Discovery Miles 24 270 Ships in 18 - 22 working days

This book bridges the gap between economic and ecological theory and practice. Its main focus is on how the principles of the Austrian School of economics could improve the validity of Ecosystem Services. The concept of 'Ecosystem Services' is a relatively recent innovation in environmental thought. The current system is dependent upon mainstream economic theory, in which monetary and fiscal policy controls the prevailing health of the economy. The dependence on this approach to finance, Muddiman argues, limits the potential of ecosystem services and exacerbates the effects of the existing flawed economic model. The book highlights the links between ecological and economic methodologies and concepts and outlines how the principles of Austrian Economic theory could provide better environmental outcomes. It then goes on to formulate approaches to ecosystem services which could act as drivers towards a new biodiversity-based economic framework built around distributed ledger technology, or 'blockchain'. The key distinction of this book is its consideration of ecosystem services as a function of the current economic system. Using this as a starting point it investigates how an alternative economic model would achieve the integration of environmental considerations into economic decision making.

River Control in India - Spatial, Governmental and Subjective Dimensions (Hardcover, 2014 ed.): Ravi Baghel River Control in India - Spatial, Governmental and Subjective Dimensions (Hardcover, 2014 ed.)
Ravi Baghel
R3,277 Discovery Miles 32 770 Ships in 10 - 15 working days

Large river systems throughout the planet have been dramatically transformed due to river control projects such as large dams and embankments. Unlike other major human impacts like anthropogenic climate change, the alteration of river systems has been deliberate and planned by a small, powerful set of experts. Taking India as a case study, this book examines the way experts transform the planet through their discourse by their advocacy of river projects. This book identifies the spatial aspects of the norms through which the ideal river and the deficient river in need of control are produced. The role of governmental rationality in explaining the seemingly irrational and counter-productive effects of large projects like Kosi river embankments is considered. Finally using autobiographical material, the subjectivity of expert advice is examined, questioning its presumed objectivity. By examining the different subjective stances arising from the same body of expertise, this book discusses the consequences this has for river control specifically and for the relation between expertise and environmental change in general.

Indigenous Peoples and Climate Justice - A Critical Analysis of International Human Rights Law and Governance (Hardcover, 1st... Indigenous Peoples and Climate Justice - A Critical Analysis of International Human Rights Law and Governance (Hardcover, 1st ed. 2022)
Giada Giacomini
R2,698 Discovery Miles 26 980 Ships in 18 - 22 working days

This book provides a new interpretation of international law specifically dedicated to Indigenous peoples in the context of a climate justice approach. The book presents a critical analysis of past and current developments at the intersection of human rights and international environmental law and governance. The book suggests new ways forward and demonstrates the need for a paradigmatic shift that would enhance the meaningful participation of Indigenous peoples as fundamental actors in the conservation of biodiversity and in the fight against climate change. The book offers guidance on a number of critical intersecting and interdependent issues at the forefront of climate change law and policy - inside and outside of the UN climate change regime. The author suggests that the adoption of a critical perspective on international law is needed in order to highlight inherent structural and systemic issues of the international law regime which are all issues that ultimately impede the pursue of climate justice for Indigenous peoples.

The Land of Little Rain (Paperback): Mary Hunter Austin The Land of Little Rain (Paperback)
Mary Hunter Austin; Contributions by Mint Editions
R138 Discovery Miles 1 380 Ships in 10 - 15 working days

The Land of Little Rain (1903) is a collection of essays and short stories by Mary Hunter Austin. Originally published with photographs taken by acclaimed American photographer Ansel Adams, The Land of Little Rain is a classic work of nature writing. Austin is now recognized as an early feminist and conservationist who understood the intricacy and fragility of ecosystems as well as the extent to which human civilization threatens their continued existence. In a series of stories and essays on the animals, landscapes, and peoples that make up the American Southwest, Mary Hunter Austin proves that the foremost responsibility of a writer is to look. With an attentive and deeply respectful eye, Austin describes the heat and violence of desert weather, the tracks made by disparate animal species as they travel in search of water, and the scavengers that depend on death for life. Within this collection are brief stories about the people and communities scattered throughout the harsh Mojave desert: a miner who longs for wealth and civilization but returns to the wild and unpredictable life of speculation; a Shoshone medicine man captured by the Paiute tribe who misses his people and home; a town where people live simply, depending on nothing but the land and its bounty for their daily existence and abundant happiness. The Land of Little Rain is both informative and moving, an intricate tapestry that celebrates the diversity of life while making an incontrovertible case for its continued preservation. Mary Hunter Austin was a gifted writer and an environmentalist ahead of her time. In a world faced with the catastrophic effects of a global climate crisis, we need writers such as Austin for not only the wisdom and knowledge they offer, but the monumental change their words can inspire. With a beautifully designed cover and professionally typeset manuscript, this edition of Mary Hunter Austin's The Land of Little Rain is a classic of American literature and nature writing reimagined for modern readers.

The Nature of Southeast Alaska - A Guide to Plants, Animals, and Habitats (Hardcover, 3rd edition): Richard Carstensen, Robert... The Nature of Southeast Alaska - A Guide to Plants, Animals, and Habitats (Hardcover, 3rd edition)
Richard Carstensen, Robert H. Armstrong, Rita M O'Clair
R657 Discovery Miles 6 570 Ships in 10 - 15 working days

“Unlike the standard nature guides that explain how to recognize common animals, Nature stresses the web of interrelationships that link the regional flora and fauna. This affectionate examination of some of North America’s most spectacular surviving old-growth forests will delight backpackers and armchair naturalists.” —Los Angeles Times Book Review Everything you ever wanted to know about the flora and fauna of Southeast Alaska is contained in the third edition of this lively field guide to the natural world, from bears to banana slugs, mountains to murrelets. The authors, who are both Alaskan residents and biologists, combine scientific research with personal experiences to make a definitive field guide for residents of or visitors to Southeast Alaska. The unique features of the book include: In-depth information about how wildlife coexists with the environment Detailed discussions of mammals, birds, fish, invertebrates, fungi, and plants Detailed map of wilderness areas in Southeast Alaska More than 200 black-and-white illustrations A bibliography, list of common and scientific names, and an index New to this edition: More than 100 new illustrations, many never before published, as well as new maps and photos Major expansion of sections on geology, old-growth forests, marine mammals, and amphibians Fifty-two new sidebars—written in the first person to give the text a more personal touch­—that describe recent findings or experiences. Sweeping updates and elaborations to chapter narratives—often thanks to technology unknown in 1992. In-depth guide to Southeast Alaska’s flora and fauna; more than an identification manual, Nature explores how the species and habitats encountered in the woods and waters of Southeast Alaska fit into the bigger picture.

Equivariant Degree Theory (Hardcover, Reprint 2012): Jorge Ize, Alfonso Vignoli Equivariant Degree Theory (Hardcover, Reprint 2012)
Jorge Ize, Alfonso Vignoli
R4,538 Discovery Miles 45 380 Ships in 10 - 15 working days

This book presents a new degree theory for maps which commute with a group of symmetries. This degree is no longer a single integer but an element of the group of equivariant homotopy classes of maps between two spheres and depends on the orbit types of the spaces. The authors develop completely the theory and applications of this degree in a self-contained presentation starting with only elementary facts. The first chapter explains the basic tools of representation theory, homotopy theory and differential equations needed in the text. Then the degree is defined and its main abstract properties are derived. The next part is devoted to the study of equivariant homotopy groups of spheres and to the classification of equivariant maps in the case of abelian actions. These groups are explicitely computed and the effects of symmetry breaking, products and composition are thorougly studied. The last part deals with computations of the equivariant index of an isolated orbit and of an isolated loop of stationary points. Here differential equations in a variety of situations are considered: symmetry breaking, forcing, period doubling, twisted orbits, first integrals, gradients etc. Periodic solutions of Hamiltonian systems, in particular spring-pendulum systems, are studied as well as Hopf bifurcation for all these situations.

Scientific Principles for Physical Geographers (Hardcover): Ian Bradbury, John Boyle, Andy Morse Scientific Principles for Physical Geographers (Hardcover)
Ian Bradbury, John Boyle, Andy Morse
R5,356 Discovery Miles 53 560 Ships in 10 - 15 working days

Science for Geography and Environment introduces students (and academics who need to brush up their knowledge!) to scientific principles in a lively and accessible way, allowing them to proceed through the text at their own pace. The book is structured thematically with a logical development of key topics, all linked by a comprehensive cross-referencing system. Concepts and principles will be grounded in everyday experience and exemplified by reference to geographical/environmental processes. The authors are also testing each stage of the text on their own students, thereby ensuring that student needs are given top priority in the book's development. Lively and relevant introduction to those scientific principles necessary to understand key processes occuring within the natural environment.

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