The Cactus Primer presents the amateur cactophile with an excellent introduction to cactus biology and provides the informed reader with an invaluable summary of the last forty years' research. This book goes far beyond books that instruct readers in the propagation, growth, and care of these plants; addressing matters of more scientific interest, it takes an integrated approach to the presentation of the form, physiology, evolution, and ecology of cacti. The book is unique in that it combines the descriptive morphology and physiology documented in the scientific literature with more general observations found in popular publications on cacti. It provides a new generic classification of the cacti and contains much new information, including data on photosynthesis, heat and cold tolerance, computer modeling of ribs, and the effects of spines.
Enhanced by over 400 illustrations and supplemented with an extensive glossary, this book will appeal to cactus enthusiasts interested in the classification and growth of cacti, as well as to plant biologists who use cacti to illustrate desert adaptation and convergent evolution. Written in accessible style, The Cactus Primer is bound to serve a dual function as both an instructive tool and a reference work in cactus biology for years to come.
What are the implications of how we talk about apocalypse?
A new philosophical field has emerged. “Existential risk” studies any real or hypothetical human extinction event in the near or distant future. This movement examines catastrophes ranging from runaway global warming to nuclear warfare to malevolent artificial intelligence, deploying a curious mix of utilitarian ethics, statistical risk analysis, and, controversially, a transhuman advocacy that would aim to supersede almost all extinction scenarios. The proponents of existential risk thinking, led by Oxford philosopher Nick Bostrom, have seen their work gain immense popularity, attracting endorsement from Bill Gates and Elon Musk, millions of dollars, and millions of views.
Calamity Theory is the first book to examine the rise of this thinking and its failures to acknowledge the ways some communities and lifeways are more at risk than others and what it implies about human extinction.
Modern political culture features a deep-seated faith in the power of numbers to find answers, settle disputes, and explain how the world works. Whether evaluating economic trends, measuring the success of institutions, or divining public opinion, we are told that numbers don’t lie. But numbers have not always been so revered. Calculated Values traces how numbers first gained widespread public authority in one nation, Great Britain.
Into the seventeenth century, numerical reasoning bore no special weight in political life. Complex calculations were often regarded with suspicion, seen as the narrow province of navigators, bookkeepers, and astrologers, not gentlemen. This changed in the decades following the Glorious Revolution of 1688. Though Britons’ new quantitative enthusiasm coincided with major advances in natural science, financial capitalism, and the power of the British state, it was no automatic consequence of those developments, William Deringer argues. Rather, it was a product of politics—ugly, antagonistic, partisan politics. From parliamentary debates to cheap pamphlets, disputes over taxes, trade, and national debt were increasingly conducted through calculations. Some of the era’s most pivotal political moments, like the 1707 Union of England and Scotland and the 1720 South Sea Bubble, turned upon calculative conflicts.
As Britons learned to fight by the numbers, they came to believe, as one calculator wrote in 1727, that “facts and figures are the most stubborn evidences.” Yet the authority of numbers arose not from efforts to find objective truths that transcended politics, but from the turmoil of politics itself.
A distinct symbol of the desert and the Middle East, the camel was once unkindly described as “half snake, half folding bedstead.” But in the eyes of many the camel is a creature of great beauty. This is most evident in the Arab world, where the camel has played a central role in the historical development of Arabic society—where an elaborate vocabulary and extensive literature have been devoted to it.
In Camel, Robert Irwin explores why the camel has fascinated so many cultures, including those cultivated in locales where camels are not indigenous. Here, he traces the history of the camel from its origins millions of years ago to the present day, discussing such matters of contemporary concern as the plight of camel herders in Sudan’s war-torn Darfur region, the alarming increase in the population of feral camels in Australia, and the endangered status of the wild Bactrian in Mongolia and China. Throughout history, the camel has been appreciated worldwide for its practicality, resilience, and legendary abilities of survival. As a result it has been featured in the works of Leonardo da Vinci, Poussin, Tiepolo, Flaubert, Kipling, and Rose Macaulay, among others. From East to West, Irwin’s Camel is the first survey of its kind to examine the animal’s role in society and history throughout the world.
Not just for camel aficionados, this highly illustrated book, containing over 100 informative and unusual images, is sure to entertain and inform anyone interested in this fascinating and exotic animal.
Discover the Far North hand-in-hand with two leading authorities on the Arctic.
This travel guide offers a unique eight-day tour of the Canadian Arctic, starting at Iqaluit near the head of Frobisher Bay (2,000 kilometers north of Ottawa), flying across the line of the Arctic Circle to Resolute, and onward to Ward Hunt Island, the northernmost airstrip in North America. Whether you make the journey in person or as an armchair traveler, this eye-opening book will tell you just what makes this region so extraordinary. Stager and Swain comment on everything that's likely to catch your attention from the air, on the ground, or in the frigid waters--from the lay of the land to the cost of the food, from frost polygons to sea smoke, from narwhals to snow geese, from kayaks to icebreakers, from soapstone sculptures to satellite dishes.
Canada North: Journey to the High Arctic makes the best of traveling companions: compact, informed, and lively. You'll want to read and reread it as you plan the journey of a lifetime.
An innovative theory proposes a new therapeutic strategy to break the stalemate in the war on cancer. It is called cancer stem cell (CSC) theory, and Lucie Laplane offers a comprehensive analysis, based on an original interdisciplinary approach that combines biology, biomedical history, and philosophy.
Rather than treat cancer by aggressively trying to eliminate all cancerous cells—with harmful side effects for patients—CSC theory suggests the possibility of targeting the CSCs, a small fraction of cells that lie at the root of cancers. CSCs are cancer cells that also have the defining properties of stem cells—the abilities to self-renew and to differentiate. According to this theory, only CSCs and no other cancer cells can induce tumor formation.
To date, researchers have not agreed on the defining feature of CSCs—their stemness. Drawing from a philosophical perspective, Laplane shows that there are four possible ways to understand this property: stemness can be categorical (an intrinsic property of stem cells), dispositional (an intrinsic property whose expression depends on external stimuli), relational (an extrinsic property determined by a cell’s relationship with the microenvironment), or systemic (an extrinsic property controlled at the system level). Our ability to cure cancers may well depend upon determining how these definitions apply to different types of cancers.
An easy-to-read geological history of the amazing red rock landscapes in southeastern Utah.
Towering red buttes, plunging canyon walls, domes, pinnacles, spires, ten thousand strangely carved forms—what visitor hasn’t marveled at the land of rock in southeastern Utah that is Canyonlands Country?
Canyonlands Country offers a unique geological history of this awesome landscape, in language understandable by the non-geologist. The story is as strange and fascinating as the land itself. Each exposed rock layer has a different geologic history: one is a stream deposit, another is an ancient field of dunes, another was deposited by shallow tropic seas. The Green and Colorado Rivers began carving canyons thirty million years ago, but to understand such relatively recent events Canyonlands Country takes us on a journey of two billion years.
Tours include Arches National Park, Island in the Sky, Needles District, The Maze and Elaterite Basin, Labyrinth and Stillwater Canyons, Meander Canyon, and Cataract Canyon.
Audiobook edition
A forceful reckoning with the relationship between energy and power through the history of what was once East Asia’s largest coal mine.
The coal-mining town of Fushun in China’s Northeast is home to a monstrous open pit. First excavated in the early twentieth century, this pit grew like a widening maw over the ensuing decades, as various Chinese and Japanese states endeavored to unearth Fushun’s purportedly “inexhaustible” carbon resources. Today, the depleted mine that remains is a wondrous and terrifying monument to fantasies of a fossil-fueled future and the technologies mobilized in attempts to turn those developmentalist dreams into reality.
In Carbon Technocracy, Victor Seow uses the remarkable story of the Fushun colliery to chart how the fossil fuel economy emerged in tandem with the rise of the modern technocratic state. Taking coal as an essential feedstock of national wealth and power, Chinese and Japanese bureaucrats, engineers, and industrialists deployed new technologies like open-pit mining and hydraulic stowage in pursuit of intensive energy extraction. But as much as these mine operators idealized the might of fossil fuel–driven machines, their extractive efforts nevertheless relied heavily on the human labor that those devices were expected to displace. Under the carbon energy regime, countless workers here and elsewhere would be subjected to invasive techniques of labor control, ever-escalating output targets, and the dangers of an increasingly exploited earth.
Although Fushun is no longer the coal capital it once was, the pattern of aggressive fossil-fueled development that led to its ascent endures. As we confront a planetary crisis precipitated by our extravagant consumption of carbon, it holds urgent lessons. This is a groundbreaking exploration of how the mutual production of energy and power came to define industrial modernity and the wider world that carbon made.
Drawing on the study of thousands of specimens, Carex of Illinois and Surrounding States: The Oval Sedges is an invaluable resource for botanists, ecologists, environmental engineers, and professional and amateur environmentalists interested in a deeper understanding of these essential plants.
The Carnegie Institution of Washington sponsored archaeological, ethnographic, linguistic, and historical investigations in the Maya region of southern Mexico and northern Central America between 1914 and 1957. The institution led the field during that time, with financial support and other resources no university could match.
Dispersed and out-of-print for fifty years, more than 350 reports from the Maya program are now available in this single volume. Reports from the institution's annual Year Books and other materials collected here tell the history of Maya research through firsthand accounts by participating scholars and reveal the progression of Mesoamerican archaeology from avocational interest to scholarly pursuit. Thematic and regional organization of the reports permits readers to monitor development of research concepts. Appendixes list all Carnegie Maya publications, Carnegie personnel, and the archival holdings of Carnegie-derived material at Harvard University, Tulane University, and the University of Chicago.
Purchase of the print book comes with free individual access to the Adobe Digital Editions Carnegie Maya Series Ebook, which contains the complete set of The Carnegie Maya, The Carnegie Maya II, The Carnegie Maya III and The Carnegie Maya IV, thus making hundreds of documents from the Carnegie Institution's Maya program available in one source.
There’s no excuse for getting lost these days—satellite maps on our computers can chart our journey in detail and electronics on our car dashboards instruct us which way to turn. But there was a time when the varied landscape of North America was largely undocumented, and expeditions like that of Lewis and Clark set out to map its expanse. As John Rennie Short argues in Cartographic Encounters, that mapping of the New World was only possible due to a unique relationship between the indigenous inhabitants and the explorers.
In this vital reinterpretation of American history, Short describes how previous accounts of the mapping of the new world have largely ignored the fundamental role played by local, indigenous guides. The exchange of information that resulted from this “cartographic encounter” allowed the native Americans to draw upon their wide knowledge of the land in the hope of gaining a better position among the settlers.
This account offers a radical new understanding of Western expansion and the mapping of the land and will be essential to scholars in cartography and American history.
Maps are stories as much about us as about the landscape. They reveal changing perceptions of the natural world, as well as conflicts over the acquisition of territories. Cartographic Fictions looks at maps in relation to journals, correspondence, advertisements, and novels by authors such as Joseph Conrad and Michael Ondaatje. In her innovative study, Karen Piper follows the history of cartography through three stages: the establishment of the prime meridian, the development of aerial photography, and the emergence of satellite and computer mapping.
Piper follows the cartographer’s impulse to “leave the ground” as the desire to escape the racialized or gendered subject. With the distance that the aerial view provided, maps could then be produced “objectively,” that is, devoid of “problematic” native interference. Piper attempts to bring back the dialogue of the “native informant,” demonstrating how maps have historically constructed or betrayed anxieties about race. The book also attempts to bring back key areas of contact to the map between explorer/native and masculine/feminine definitions of space.
Finding one’s way with a map is a relatively recent phenomenon. In premodern times, maps were used, if at all, mainly for planning journeys in advance, not for guiding travelers on the road. With the exception of navigational sea charts, the use of maps by travelers only became common in the modern era; indeed, in the last two hundred years, maps have become the most ubiquitous and familiar genre of modern cartography.
Examining the historical relationship between travelers, navigation, and maps, Cartographies of Travel and Navigation considers the cartographic response to the new modalities of modern travel brought about by technological and institutional developments in the twentieth century. Highlighting the ways in which the travelers, operators, and planners of modern transportation systems value maps as both navigation tools and as representatives of a radical new mobility, this collection brings the cartography of travel—by road, sea, rail, and air—to the forefront, placing maps at the center of the history of travel and movement.
Richly and colorfully illustrated, Cartographies of Travel and Navigation ably fills the void in historical literature on transportation mapping.
“Sandel explores a paramount question of our era: how to extend the power and promise of biomedical science to overcome debility without compromising our humanity. His arguments are acute and penetrating, melding sound logic with compassion.”
—Jerome Groopman, author of How Doctors Think
Breakthroughs in genetics present us with a promise and a predicament. The promise is that we will soon be able to treat and prevent a host of debilitating diseases. The predicament is that our newfound genetic knowledge may enable us to manipulate our nature—to enhance our genetic traits and those of our children. Although most people find at least some forms of genetic engineering disquieting, it is not easy to articulate why. What is wrong with re-engineering our nature?
The Case against Perfection explores these and other moral quandaries connected with the quest to perfect ourselves and our children. Michael Sandel argues that the pursuit of perfection is flawed for reasons that go beyond safety and fairness. The drive to enhance human nature through genetic technologies is objectionable because it represents a bid for mastery and dominion that fails to appreciate the gifted character of human powers and achievements. Carrying us beyond familiar terms of political discourse, this book contends that the genetic revolution will change the way philosophers discuss ethics and will force spiritual questions back onto the political agenda.
In order to grapple with the ethics of enhancement, we need to confront questions largely lost from view in the modern world. Since these questions verge on theology, modern philosophers and political theorists tend to shrink from them. But our new powers of biotechnology make these questions unavoidable. Addressing them is the task of this book, by one of America’s preeminent moral and political thinkers.
Why women evolved to have orgasms--when most of their primate relatives don't--is a persistent mystery among evolutionary biologists. In pursuing this mystery, Elisabeth Lloyd arrives at another: How could anything as inadequate as the evolutionary explanations of the female orgasm have passed muster as science? A judicious and revealing look at all twenty evolutionary accounts of the trait of human female orgasm, Lloyd's book is at the same time a case study of how certain biases steer science astray.
Over the past fifteen years, the effect of sexist or male-centered approaches to science has been hotly debated. Drawing especially on data from nonhuman primates and human sexology over eighty years, Lloyd shows what damage such bias does in the study of female orgasm. She also exposes a second pernicious form of bias that permeates the literature on female orgasms: a bias toward adaptationism. Here Lloyd's critique comes alive, demonstrating how most of the evolutionary accounts either are in conflict with, or lack, certain types of evidence necessary to make their cases--how they simply assume that female orgasm must exist because it helped females in the past reproduce. As she weighs the evidence, Lloyd takes on nearly everyone who has written on the subject: evolutionists, animal behaviorists, and feminists alike. Her clearly and cogently written book is at once a convincing case study of bias in science and a sweeping summary and analysis of what is known about the evolution of the intriguing trait of female orgasm.
In addition to his mainstream research, Cattell had also authored a series of publications that posited evolutionary progress as the ultimate goal of human existence and argued that scientifically measurable criteria should be used to distinguish "successful" from "failing" racial groups so that the latter might be gradually "phased out" by non-violent methods such as regulation of birth control. Derived from science, Cattell's evolutionary philosophy was intended to be the basis of a full-blown religion. Although the earliest of these works had been published in the 1930s, near the end of an era in which eugenically based policies for human improvement were much more acceptable, Cattell promoted similar ideas well into the 1980s and '90s.
The Cattell Controversy describes Cattell's socio-religious beliefs in detail and analyzes their relationship to his scientific contributions. William H. Tucker discusses the controversy that arose within the field in response to the award's postponement, after which Cattell withdrew his name from consideration for the award but insisted that his position had been distorted by taking statements out of context. Reflecting on these events, Tucker concludes with a discussion of the complex question of whether and how a scientist's ideological views should ever be a relevant factor in determining the value of his or her contributions to the field.
A sophisticated ecological analysis of ranching in northern Nevada featuring a new chapter and new epilogue by the authors.First published in 1985, Cattle in the Cold Desert has become a classic in the environmental history of the Great Basin, brilliantly combining a lively account of the development of the Great Basin grazing industry with a detailed scientific discussion of the ecology of its sagebrush/grassland plant communities. The volume traces the history of white settlement in the Great Basin from about 1860, along with the arrival of herds of cattle and sheep to exploit the forage resources of a pristine environment and, through the history of John Sparks, a pioneer cattleman, illustrates how the herdsmen interacted with the sagebrush/grasslands of the cold desert West. As the story unfolds on two levels—that of the herdsmen adapting their livelihood to the challenging conditions of the Great Basin's scanty forage, aridity, and fierce winters, and that of the fragile ecology of the desert plant communities responding to the presence of huge herds of livestock—we see the results of a grand experiment initiated by men willing to venture beyond the limits of accepted environmental potential to settle the Great Basin, as well as the often ruinous consequences of the introduction of domestic livestock into the plant communities of the region. The result is a remarkably balanced and insightful discussion of the grazing industry in the Intermountain West. This new paperback edition includes an additional chapter that addresses the impact of wild mustangs on the Great Basin rangelands, and an epilogue that discusses changes in rangeland management and in rangeland conditions, especially the impact of recent wildfires. As concern over the future of the Great Basin's unique rangeland environment and its principal agricultural industry grows, Cattle in the Cold Desert remains essential reading for everyone who cares about this underappreciated region of the American West.
A renowned philosopher argues that singular causation in the mind is not grounded in general patterns of causation, a claim on behalf of human distinctiveness, which has implications for the future of social robots.
A blab droid is a robot with a body shaped like a pizza box, a pair of treads, and a smiley face. Guided by an onboard video camera, it roams hotel lobbies and conference centers, asking questions in the voice of a seven-year-old. “Can you help me?” “What is the worst thing you’ve ever done?” “Who in the world do you love most?” People pour their hearts out in response.
This droid prompts the question of what we can hope from social robots. Might they provide humanlike friendship? Philosopher John Campbell doesn’t think so. He argues that, while a social robot can remember the details of a person’s history better than some spouses can, it cannot empathize with the human mind, because it lacks the faculty for thinking in terms of singular causation.
Causation in Psychology makes the case that singular causation is essential and unique to the human species. From the point of view of practical action, knowledge of what generally causes what is often all one needs. But humans are capable of more. We have a capacity to imagine singular causation. Unlike robots and nonhuman animals, we don’t have to rely on axioms about pain to know how ongoing suffering is affecting someone’s ability to make decisions, for example, and this knowledge is not a derivative of general rules. The capacity to imagine singular causation, Campbell contends, is a core element of human freedom and of the ability to empathize with human thoughts and feelings.
In a book that promises to change the way we think and talk about genes and genetic determinism, Evelyn Fox Keller, one of our most gifted historians and philosophers of science, provides a powerful, profound analysis of the achievements of genetics and molecular biology in the twentieth century, the century of the gene. Not just a chronicle of biology’s progress from gene to genome in one hundred years, The Century of the Gene also calls our attention to the surprising ways these advances challenge the familiar picture of the gene most of us still entertain.
Keller shows us that the very successes that have stirred our imagination have also radically undermined the primacy of the gene—word and object—as the core explanatory concept of heredity and development. She argues that we need a new vocabulary that includes concepts such as robustness, fidelity, and evolvability. But more than a new vocabulary, a new awareness is absolutely crucial: that understanding the components of a system (be they individual genes, proteins, or even molecules) may tell us little about the interactions among these components.
With the Human Genome Project nearing its first and most publicized goal, biologists are coming to realize that they have reached not the end of biology but the beginning of a new era. Indeed, Keller predicts that in the new century we will witness another Cambrian era, this time in new forms of biological thought rather than in new forms of biological life.
Although cerebral dominance, the specialization of each side of the brain for different functions, was discovered in the 1860s, almost nothing was known for many years about its biological foundations, the study of which has undergone what can only be described as a revolution in the past decade and a half.
Norman Geschwind and Albert Galaburda, two of the leaders of this new field, have assembled a distinguished group of investigators, each a pioneer in some aspect of the biology of dominance. The authors document human brain asymmetry at gross and microscopic levels in both adults and fetuses, its visualization in life by radiological methods, and its manifestation in brain waves. The evolutionary history of brain asymmetry over more than 300,000 years is shown in fossil skulls of humans and apes. In a dramatic reversal of older beliefs, asymmetry of anatomy, function, and chemistry has been demonstrated in many nonhuman species, and experiments have shown the role of hormones and other prenatal influences in the production of asymmetry. The surprising associations of non-right-handedness with twinning and immune disorders are discussed, as well as the asymmetrical malformation of the cortex in childhood dyslexia.
This volume, combining scholarly authority and the excitement of the birth of a new discipline, will be welcomed by those to whom the implications of dominance are becoming evident—neuroscientists, neurologists, linguists, psychologists, experts in learning disorders, speech pathologists—and by specialists in nearly every branch of biology, medicine, and psychology.
New advances are being made in brain science today that will directly affect each of our lives, from the courtroom to the classroom to the living room. Cerebrum has long been the leading journal in distilling these developments in neuroscience for the general reader, and its articles by leading scientists and scholars are cited in such prominent publications as the Wall Street Journal, Boston Globe, and Washington Post. Collected here are over a dozen articles and book reviews from the journal’s online edition about the latest developments in brain science.
The featured articles offer thought-provoking analyses of the human brain and its untapped possibilities, touching on topics as diverse as the neurological basis for a belief in the supernatural, the use of drugs to alter traumatic memories, and the biological nature of ethical behavior. Top scientists and scholars—including neurologist Dr. Kathleen Foley, of Memorial Sloan-Kettering Cancer Center; Henry T. Greely, bioethicist and Stanford University professor of law; and Dr. Judith L. Rapoport, chief of the child psychiatry branch at the National Institute of Mental Health— clearly and concisely explain these and many other exciting developments on the horizon. An engaging and wholly readable compendium, Cerebrum 2007 is essential for all those interested in the cutting edge of brain research and what it holds for the future of humanity.
New advances in brain science will directly affect our lives, from the courtroom to the classroom to the living room. Cerebrum has long been the leading magazine for distilling these developments into concise, intelligent prose accessible to a general reader; as a result, its articles by scientists and scholars are often cited in prominent publications such as the Wall Street Journal, Boston Globe,andthe Washington Post. Assembled here is a new array of articles from Cerebrum’sWeb edition that collects the most cutting-edge developments in brain science in one essential volume.
The featured articles offer thought-provoking analyses and expert perspectives on such topics as the causes and effects of identity disorder, the dangers of unidentified traumatic brain injury, and explanations for why the mind is sometimes foggy after heart surgery. Other timely articles explore the brain and politics, conflicts of interest in science, the use of the technology to map brain connections, and the pros and cons of screening for childhood disorders. Top scientists and scholars—including neuroscientist Guy McKhann, computational neuroscientist Sebastian Seung, developmental psychologist Jerome Kagan, and neurologist Stephen L. Hauser—clearly and concisely explain these and many other exciting and pertinent developments. In addition, the foreword by Thomas R. Insel, M.D., director of the National Institute of Mental Health, offers a fascinating way of conceptualizing psychological disorders as disorders of the brain.
An absorbing and readable compendium, Cerebrum 2009 provides vital insight into the cognitive human condition and shows how advances in medicine and neuroscience can help us lead longer, healthier lives.
Certainty was first published in 1981. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.
Philosophers have traditionally used two strategies to refute the sceptical that empirical knowledge is not possible because our beliefs cannot be adequately justified. One strategy rejects the sceptics' position because it conflicts with the supposedly obvious claim that we do have knowledge. The other defends an analysis of knowledge limited to a weak set of necessary and sufficient conditions of knowledge or limited to a set of conditions specifically designed to be immune to sceptical attack.
In Certainty: A Refutation of Scepticism, Peter D. Klein uses a third strategy. He argues that scepticism can be refuted even if it is granted to the sceptics that knowledge entails absolute certainty. The argument for his thesis has two parts. He identifies the various types of scepticism and shows that the arguments for them depend upon epistemic principles which, when examined carefully, are unable to support the sceptical conclusions. Klein then argues — contrary to the views of most nonsceptics—that knowledge entails certainty and that some empirical beliefs are absolutely certain. In the course of his argument Klein develops and defends an account of justification, knowledge, and certainty. The result is a theory of knowledge based upon a model of justification designed to be acceptable to sceptics, nonsceptics, foundationalists, and coherentists.Challenge of Global Warming examines the causes and effects of global climate change.
Northern Michigan is undergoing unprecedented changes in land use, climate, resource extraction, and species distributions. For the last hundred years, the University of Michigan Biological Station has monitored these environmental transformations. Stretching 10,000 acres along Burt and Douglas Lakes in the northern Lower Peninsula and 3,200 acres on Sugar Island near Sault Ste. Marie, Michigan, the station has played host to nearly 10,000 students and a steady stream of top scientists in the fields of biology, ecology, geology, archeology, and climatology.
The Changing Environment of Northern Michigan collects essays by some of these scientists, who lead readers on virtual field trips exploring the history of people and science at the station itself, the relations of indigenous people to the land, the geophysical history of the region, characteristics of terrestrial and aquatic ecosystems, key groups of organisms and their relations to local habitats, and perspectives on critical environmental challenges of today and their effects on the region. Accompanying the chapters are color illustrations and photographs that bring the station's pristine setting to life.
Like the station itself, the book provides a solid background for better appreciating the relationships among living and nonliving parts of northern Michigan, for anyone interested in exploring the region's forests, fields, and wetlands; wading or paddling down its rivers; or swimming or floating across its lakes.
Knute J. Nadelhoffer is Director of the University of Michigan Biological Station and Professor of Ecology and Evolutionary Biology at the University of Michigan.
Alan J. Hogg, Jr., teaches science writing at the University of Michigan as a faculty member of the Sweetland Writing Center. His Ph.D. research explored the effects of ozone and nitrogen oxides on University of Michigan Biological Station forests.
Brian A. Hazlett is Professor Emeritus of Zoology at the University of Michigan.
This volume provides a central source of information about this newly emerging area of global change research. It presents ongoing investigations into the responses of plant communities and ecosystems to the experimental manipulation of precipitation in a variety of field settings—particularly in the western and central United States, where precipitation is already scarce or variable. By exploring methods that can be used to predict responses of ecosystems to changes in precipitation regimes, it demonstrates new approaches to global change research and highlights the importance of precipitation regimes in structuring ecosystems.
The contributors first document the importance of precipitation, soil characteristics, and soil moisture to plant life. They then focus on the roles of precipitation amount, seasonality, and frequency in shaping varied terrestrial ecosystems: desert, sagebrush steppe, oak savanna, tall- and mixed-grass prairie, and eastern deciduous forest. These case studies illustrate many complex, tightly woven, interactive relationships among precipitation, soils, and plants—relationships that will dictate the responses of ecosystems to changes in precipitation regimes.
The approaches utilized in these chapters include spatial comparisons of vegetation structure and function across different ecosytems; analyses of changes in plant architecture and physiology in response to temporal variation in precipitation; experiments to manipulate water availability; and modeling approaches that characterize the relationships between climate variables and vegetation types. All seek to assess vegetation responses to major shifts in climate that appear to be occurring at present and may become the norm in the future.
As the first volume to discuss and document current and cutting-edge concepts and approaches to research into changing precipitation regimes and terrestrial ecosystems, this book shows the importance of developing reliable predictions of the precipitation changes that may occur with global warming. These studies clearly demonstrate that patterns of environmental variation and the nature of vegetation responses are complex phenomena that are only beginning to be understood, and that these experimental approaches are critical for our understanding of future change.
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