Download or read book Punctuated Equilibrium written by Stephen Jay GOULD and published by Harvard University Press. This book was released on 2009-06-30 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1972 Stephen Jay Gould took the scientific world by storm with his paper on punctuated equilibrium. Challenging a core assumption of Darwin's theory of evolution, it launched the controversial idea that the majority of species originates in geological moments (punctuations) and persists in stasis. Now, thirty-five years later, Punctuated Equilibrium offers his only book-length testament on a theory he fiercely promoted, repeatedly refined, and tirelessly defended.
Download or read book Punctuated Equilibrium written by Stephen Jay Gould and published by Belknap Press. This book was released on 2007-05-31 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1972 Stephen Jay Gould took the scientific world by storm with his paper on punctuated equilibrium, written with Niles Eldredge. Challenging a core assumption of Darwin's theory of evolution, it launched the career of one of the most influential evolutionary biologists of our time--perhaps the best known since Darwin. Now, thirty-five years later, and five years after his untimely death, Punctuated Equilibrium (originally published as the central chapter of Gould's masterwork, The Structure of Evolutionary Theory) offers his only book-length testament on an idea he fiercely promoted, repeatedly refined, and tirelessly defended. Punctuated equilibrium holds that the great majority of species originate in geological moments (punctuations) and persist in stasis. The idea was hotly debated because it forced biologists to rethink entrenched ideas about evolutionary patterns and processes. But as Gould shows here in his typically exhaustive coverage, the idea has become the foundation of a new view of hierarchical selection and macroevolution. What emerges strikingly from this book is that punctuated equilibrium represents a much broader paradigm about the nature of change--a worldview that may be judged as a distinctive and important movement within recent intellectual history. Indeed we may now be living within a punctuation, and our awareness of what this means may be the enduring legacy of one of America's best-loved scientists.
Download or read book Punctuated Equilibrium and the Dynamics of U S Environmental Policy written by Robert Repetto and published by Yale University Press. This book was released on 2008-10-01 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although many environmental policy issues remain deadlocked for decades with little movement, sometimes breakthroughs occur abruptly. Why do deadlocks persist? Why do major policy shifts occur infrequently? Is it possible to judge when policies are ripe for change?This book presents new empirical evidence that the punctuated equilibrium theory of policy dynamics fits the facts of environmental policy change and can explain how stable policies can suddenly unravel in discontinuous change. The distinguished contributors to the volume apply the theory to a wide range of important environmental and resource issues and assess case histories in water, forestry, fisheries, public lands, energy and climate some of which resulted in breakthroughs, others in stalemate. They offer insights into the political conditions and tactics that are likely to produce these disparate outcomes. Every professional, activist, and student concerned with promoting (or resisting) change in environmental and natural resources policies will find this up-to-date book an invaluable guide.
Download or read book The Structure of Evolutionary Theory written by Stephen Jay Gould and published by Harvard University Press. This book was released on 2002-03-21 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world’s most revered and eloquent interpreter of evolutionary ideas offers here a work of explanatory force unprecedented in our time—a landmark publication, both for its historical sweep and for its scientific vision. With characteristic attention to detail, Stephen Jay Gould first describes the content and discusses the history and origins of the three core commitments of classical Darwinism: that natural selection works on organisms, not genes or species; that it is almost exclusively the mechanism of adaptive evolutionary change; and that these changes are incremental, not drastic. Next, he examines the three critiques that currently challenge this classic Darwinian edifice: that selection operates on multiple levels, from the gene to the group; that evolution proceeds by a variety of mechanisms, not just natural selection; and that causes operating at broader scales, including catastrophes, have figured prominently in the course of evolution. Then, in a stunning tour de force that will likely stimulate discussion and debate for decades, Gould proposes his own system for integrating these classical commitments and contemporary critiques into a new structure of evolutionary thought. In 2001 the Library of Congress named Stephen Jay Gould one of America’s eighty-three Living Legends—people who embody the “quintessentially American ideal of individual creativity, conviction, dedication, and exuberance.” Each of these qualities finds full expression in this peerless work, the likes of which the scientific world has not seen—and may not see again—for well over a century.
Download or read book Time Frames written by Niles Eldredge and published by Princeton University Press. This book was released on 2014-07-14 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientists have recently begun to question one of the pillars of modern thought--Charles Darwin's theory of evolution. Certainly evolution occurs; but if it is a slow, continuous process by which one species gradually modifies itself into a new one, as Darwin believed, why are there so many missing links in the fossil records? Two eminent scientists, Niles Eldredge and Stephen Jay Gould, startled the world by challenging Darwin's cherished beliefs proposing instead that once a species has evolved it rarely undergoes change, and that the evolution of new species occurs only periodically, in relatively rapid spurts. In Time Frames Niles Eldredge explains how his own work with trilobite fossils led him to this unexpected conclusion, and describes the fascinating development of the new theory of punctuated equilibria. Originally published in 1989. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Download or read book International Norms and Decision Making written by Gary Goertz and published by Rowman & Littlefield. This book was released on 2003 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a punctuated equilibrium framework for understanding the nature of policy decision-making by governments as well as a theory of the creation, functioning, and evolution of international norms and institutions.
Download or read book Agendas and Instability in American Politics written by Frank R. Baumgartner and published by University of Chicago Press. This book was released on 2010-03-15 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: When Agendas and Instability in American Politics appeared fifteen years ago, offering a profoundly original account of how policy issues rise and fall on the national agenda, the Journal of Politics predicted that it would “become a landmark study of public policy making and American politics.” That prediction proved true and, in this long-awaited second edition, Bryan Jones and Frank Baumgartner refine their influential argument and expand it to illuminate the workings of democracies beyond the United States. The authors retain all the substance of their contention that short-term, single-issue analyses cast public policy too narrowly as the result of cozy and dependable arrangements among politicians, interest groups, and the media. Jones and Baumgartner provide a different interpretation by taking the long view of several issues—including nuclear energy, urban affairs, smoking, and auto safety—to demonstrate that bursts of rapid, unpredictable policy change punctuate the patterns of stability more frequently associated with government. Featuring a new introduction and two additional chapters, this updated edition ensures that their findings will remain a touchstone of policy studies for many years to come.
Download or read book Information Systems Theory written by Yogesh K. Dwivedi and published by Springer Science & Business Media. This book was released on 2011-09-21 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall mission of this book is to provide a comprehensive understanding and coverage of the various theories and models used in IS research. Specifically, it aims to focus on the following key objectives: To describe the various theories and models applicable to studying IS/IT management issues. To outline and describe, for each of the various theories and models, independent and dependent constructs, reference discipline/originating area, originating author(s), seminal articles, level of analysis (i.e. firm, individual, industry) and links with other theories. To provide a critical review/meta-analysis of IS/IT management articles that have used a particular theory/model. To discuss how a theory can be used to better understand how information systems can be effectively deployed in today’s digital world. This book contributes to our understanding of a number of theories and models. The theoretical contribution of this book is that it analyzes and synthesizes the relevant literature in order to enhance knowledge of IS theories and models from various perspectives. To cater to the information needs of a diverse spectrum of readers, this book is structured into two volumes, with each volume further broken down into two sections. The first section of Volume 1 presents detailed descriptions of a set of theories centered around the IS lifecycle, including the Success Model, Technology Acceptance Model, User Resistance Theories, and four others. The second section of Volume 1 contains strategic and economic theories, including a Resource-Based View, Theory of Slack Resources, Portfolio Theory, Discrepancy Theory Models, and eleven others. The first section of Volume 2 concerns socio-psychological theories. These include Personal Construct Theory, Psychological Ownership, Transactive Memory, Language-Action Approach, and nine others. The second section of Volume 2 deals with methodological theories, including Critical Realism, Grounded Theory, Narrative Inquiry, Work System Method, and four others. Together, these theories provide a rich tapestry of knowledge around the use of theory in IS research. Since most of these theories are from contributing disciplines, they provide a window into the world of external thought leadership.
Download or read book Models in Paleobiology written by Thomas J. M. Schopf and published by . This book was released on 1972 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Theories Of The Policy Process written by Christopher M. Weible and published by Taylor & Francis. This book was released on 2023-06-12 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theories of the Policy Process provides a forum for the experts in policy process research to present the basic propositions, empirical evidence, latest updates, and the promising future research opportunities of each policy process theory. In this thoroughly revised fifth edition, each chapter has been updated to reflect recent empirical work, innovative theorizing, and a world facing challenges of historic proportions with climate change, social and political inequities, and pandemics, among recent events. Updated and revised chapters include Punctuated Equilibrium Theory, Multiple Streams Framework, Policy Feedback Theory, Advocacy Coalition Framework, Narrative Policy Framework, Institutional and Analysis and Development Framework, and Diffusion and Innovation. This fifth edition includes an entirely new chapter on the Ecology of Games Framework. New authors have been added to most chapters to diversify perspectives and make this latest edition the most internationalized yet. Across the chapters, revisions have clarified concepts and theoretical arguments, expanded and extended the theories’ scope, summarized lessons learned and knowledge gained, and addressed the relevancy of policy process theories. Theories of the Policy Process has been, and remains, the quintessential gateway to the field of policy process research for students, scholars, and practitioners. It’s ideal for those enrolled in policy process courses at the undergraduate and graduate levels, and those conducting research or undertaking practice in the subject.
Download or read book The Rise and Fall of Languages written by Robert M. W. Dixon and published by Cambridge University Press. This book was released on 1997-12-11 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: A different approach to the theories on language evolution and change.
Download or read book The Natural Limits to Biological Change written by Lane P. Lester and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Current Mammalogy written by H.H. Genoways and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: When I first proposed a series entitled Current Mammalogy to the pub lishers, they were reluctant to undertake such a project because they viewed the field of mammology as overly fragmented. At first I found this idea to be difficult to accept; however, upon reflection, I came near to agreeing with it. Although many of us work on mammals, we gen erally feel more allegiance to our specialties, such as systematics, ge netics, cytogenetics, ecology, behavior, pest control, paleontology, wildlife management, primatology, and marine mammalogy, than we do to the general field of mammalogy. However, rather than becoming discour aged from pursuing this project, I became more certain than ever that a series such as Current Mammalogy was needed. We hope to make this series a place where specialists can present their ideas not only to other members of their specialty, but to those outside the area as well. Hopefully, this exchange of ideas will be a mutually beneficial exercise. The Editorial Board of Current Mammalogy has decided to keep the range of subjects in each volume as broad as possible rather than concentrating on one or two topics, in the hope that this will keep the series as useful as possible to the broadest range of readers.
Download or read book The Dynamics of Evolution written by Albert Somit and published by . This book was released on 1992 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Tangled Tree written by David Quammen and published by Simon & Schuster. This book was released on 2019-08-06 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this New York Times bestseller and longlist nominee for the National Book Award, “our greatest living chronicler of the natural world” (The New York Times), David Quammen explains how recent discoveries in molecular biology affect our understanding of evolution and life’s history. In the mid-1970s, scientists began using DNA sequences to reexamine the history of all life. Perhaps the most startling discovery to come out of this new field—the study of life’s diversity and relatedness at the molecular level—is horizontal gene transfer (HGT), or the movement of genes across species lines. It turns out that HGT has been widespread and important; we now know that roughly eight percent of the human genome arrived sideways by viral infection—a type of HGT. In The Tangled Tree, “the grandest tale in biology….David Quammen presents the science—and the scientists involved—with patience, candor, and flair” (Nature). We learn about the major players, such as Carl Woese, the most important little-known biologist of the twentieth century; Lynn Margulis, the notorious maverick whose wild ideas about “mosaic” creatures proved to be true; and Tsutomu Wantanabe, who discovered that the scourge of antibiotic-resistant bacteria is a direct result of horizontal gene transfer, bringing the deep study of genome histories to bear on a global crisis in public health. “David Quammen proves to be an immensely well-informed guide to a complex story” (The Wall Street Journal). In The Tangled Tree, he explains how molecular studies of evolution have brought startling recognitions about the tangled tree of life—including where we humans fit upon it. Thanks to new technologies, we now have the ability to alter even our genetic composition—through sideways insertions, as nature has long been doing. “The Tangled Tree is a source of wonder….Quammen has written a deep and daring intellectual adventure” (The Boston Globe).
Download or read book Evolution Driven by Organismal Behavior written by Rui Diogo and published by Springer. This book was released on 2017-03-08 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book proposes a new way to think about evolution. The author carefully brings together evidence from diverse fields of science. In the process, he bridges the gaps between many different--and usually seen as conflicting--ideas to present one integrative theory named ONCE, which stands for Organic Nonoptimal Constrained Evolution. The author argues that evolution is mainly driven by the behavioral choices and persistence of organisms themselves, in a process in which Darwinian natural selection is mainly a secondary--but still crucial--evolutionary player. Within ONCE, evolution is therefore generally made of mistakes and mismatches and trial-and-error situations, and is not a process where organisms engage in an incessant, suffocating struggle in which they can't thrive if they are not optimally adapted to their habitats and the external environment. Therefore, this unifying view incorporates a more comprehensive view of the diversity and complexity of life by stressing that organisms are not merely passive evolutionary players under the rule of external factors. This insightful and well-reasoned argument is based on numerous fascinating case studies from a wide range of organisms, including bacteria, plants, insects and diverse examples from the evolution of our own species. The book has an appeal to researchers, students, teachers, and those with an interest in the history and philosophy of science, as well as to the broader public, as it brings life back into biology by emphasizing that organisms, including humans, are the key active players in evolution and thus in the future of life on this wonderful planet.
Download or read book Evolution written by James Alan Shapiro and published by Pearson Education. This book was released on 2011 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book proposes an important new paradigm for understanding biological evolution. Shapiro demonstrates why traditional views of evolution are inadequate to explain the latest evidence, and presents an alternative. His information- and systems-based approach integrates advances in symbiogenesis, epigenetics, and saltationism, and points toward an emerging synthesis of physical, information, and biological sciences.
