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Author : Denson K. McLain
Publisher : Audiotext
Page : 148 pages
File Size : 42,9 Mb
Release : 1994
Category : Ecology
ISBN : 1884612032
Author : Thomas E. Lovejoy,Lee Jay Hannah
Publisher : Yale University Press
Page : 414 pages
File Size : 47,7 Mb
Release : 2019-01-01
Category : Biodiversity
ISBN : 9780300206111
An essential, up-to-date look at the critical interactions between biological diversity and climate change that will serve as an immediate call to action The physical and biological impacts of climate change are dramatic and broad-ranging. People who care about the planet and manage natural resources urgently need a synthesis of our rapidly growing understanding of these issues. In this all-new sequel to the 2005 volume Climate Change and Biodiversity, leading experts in the field summarize observed changes, assess what the future holds, and offer suggested responses. From extinction risk to ocean acidification, from the future of the Amazon to changes in ecosystem services, and from geoengineering to the power of ecosystem restoration, this book captures the sweep of climate change transformation of the biosphere.
Author : Wissenschaftlicher Beirat der Bundesregierung Globale Umweltveränderungen (Germany)
Publisher : Earthscan
Page : 482 pages
File Size : 55,9 Mb
Release : 2001
Category : Business & Economics
ISBN : 1853838020
* Comprehensive assessment from the leading German environmental scientists of the state of the world's living resources or biosphere * Covers all aspects of the subject: biodiversity and genetic diversity, landscape and ecosystems, its role in the Earth's system and human impacts on it * Reviews global policies and research strategies on the biosphere and advocates urgent policy actions * A major, authoritative contribution to environmental science and policy Biodiversity- the planet's natural capital- is undergoing a dramatic collapse: its " Sixth Extinction". The losses, which are do to human activities and overexploitation of the biosphere, are irreversible. They are undermining the basis of future well-being and prosperity, including genetic resources and food production, climate stability, and coastal and soil protection. The scientists of the German Advisory Council on Global Change have produced an authoritative and alarming analysis of the state of the biosphere. They show that the time remaining for remedial action is fast disappearing and they set out a range of initiatives to be undertaken at different levels. Among their main urgent recommendations are: * protecting 10-20% of the global land area * an Intergovernmental Panel on Biodiversity to provide scientific advice * conservation of the diversity of cultivated as well as wild plant species * greater multilateral cooperation and implementation of the Convention on Biological Diversity The volume makes a highly significant contribution to the scientific and policy debates on these critical issues. It will be essential reading for those engaged with them.
Author : National Research Council,Division on Earth and Life Studies,Commission on Life Sciences,Board on Biology,Steve Olson
Publisher : National Academies Press
Page : 127 pages
File Size : 44,8 Mb
Release : 1989-02-01
Category : Science
ISBN : 9780309039475
This book brings the concerned individual up-to-date on the breakthroughs and social questions emerging from biology today. Author Steve Olson draws on the latest research in a number of fields as well as the views of leading biologists, ethicists, and philosophers. He tells the story of the intricate, often frustrating, path scientists must follow to find out why we are the way we are. The volume highlights groundbreaking research being done in four of biology's most exciting fields: genetics, development, neurobiology, and evolution. In each field, the implications of this research extend far beyond basic biology, ranging from human gene therapy to cancer, from neural transplantation to the evolution of the atmosphere.
Author : Christian Lévêque,Jean-Claude Mounolou
Publisher : John Wiley and Sons
Page : 298 pages
File Size : 47,7 Mb
Release : 2007-12-10
Category : Science
ISBN : 9780470340103
The title provides an overview of the current knowledge about the diversity of the living world and the various problems associated with its conservation and sustainable use. Covering both the fundamentals of the subject, along with the latest research, Biodiversity presents key conservation issues within a framework of global case studies. Starting with a summary of the concept of biodiversity, the text then explores such subjects as species richness, ecological systems, the consequences of human activities, diversity and human health, genetic resources, biotechnology and conservation. Comprehensive introduction to key issues surrounding the study of biodiversity. Extensive bibliography and references to numerous relevant websites. Introduces current research in the field within a framework of useful case studies.
Author : Anonim
Publisher : Unknown
Page : 348 pages
File Size : 54,9 Mb
Release : 1987
Category : Biodiversity conservation
ISBN : UCR:31210023740036
Author : Margery Oldfield,Janis Alcorn
Publisher : Westview Press
Page : 382 pages
File Size : 40,8 Mb
Release : 1991-11-14
Category : Science
ISBN : MINN:31951D00520923W
Author : Laura Landweber,Andrew Dobson
Publisher : Princeton University Press
Page : 207 pages
File Size : 53,7 Mb
Release : 1999-07-21
Category : Nature
ISBN : 9780691009711
In this collection, a team of leading biologists demonstrates why the burgeoning field of conservation biology must continue to rely on the insights of population genetics if we are to preserve the diversity of living species.
Author : Rafael Maia,Magnólia Campos
Publisher : BoD – Books on Demand
Page : 72 pages
File Size : 43,9 Mb
Release : 2019-03-20
Category : Medical
ISBN : 9781789857771
Population genetics is the basis of evolutionary studies, and has been widely used in several researches. This recent field of science has important applications for the management of populations (natural and domesticated), as well as for evolutionary studies of the various factors that affect gene frequencies over time and spatial distribution.In this work, presented in three sections (Population and Quantitative Genetics, Genetic Diversity in Crop Management, Population Genetics for Conservation Studies), the reader will find cutting-edge information in carefully selected and revised works.This book is intended for all researchers, academics, and students who are interested in the intriguing area of population genetics.
Author : Anonim
Publisher : Unknown
Page : 38 pages
File Size : 55,7 Mb
Release : 1989
Category : Biodiversity
ISBN : STANFORD:36105009247532
Author : Timothy J. Farnham
Publisher : Yale University Press
Page : 300 pages
File Size : 53,9 Mb
Release : 2007-01-01
Category : Science
ISBN : 0300120052
Biological diversity is considered one of today’s most urgent environmental concerns, yet the term was first coined only twenty-five years ago. Why did the concept of biological diversity so quickly capture public attention and emerge as a banner issue for the environmental movement? In this book, Timothy J. Farnham explores for the first time the historical roots of biological diversity, tracing the evolution of the term as well as the history of the conservation traditions that contributed to its rapid acceptance and popularity. Biological diversity is understood today as consisting of three components--species diversity, genetic diversity, and ecosystem diversity. Farnham finds that these three tiers coincided with three earlier, disparate conservation traditions that converged when the cause of preserving biological diversity was articulated. He tells the stories of these different historical foundations, recounts how the term came into the environmental lexicon, and shows how the evolution of the idea of biological diversity reflects an evolution of American attitudes toward the natural world.
Author : Derek Frank Roberts,G. F. De Stefano
Publisher : Cambridge University Press
Page : 318 pages
File Size : 55,9 Mb
Release : 1986-10-30
Category : Science
ISBN : 0521332575
This volume considers the genetic variability of human populations, particularly in the tropics: its origins and maintenance, and its contribution to the phenotypic variability of complex characters. The first section deals with the ways of analysing genetic variation and provides a valuable review of relevant developments in molecular biology. The origin and maintenance of genetic diversity is considered in the second section with data presented for Pacific, African, Asian and Central American populations. The final section concerns characters in which the genetic contribution to variability is complex and shows how such characters may be used to elucidate biological problems of affinity and differentiation, of adaptation and survival. Published as part of the Decade of the Tropics research programme of the International Union of Biological Sciences, this volume will be of particular interest to human geneticists, physical and biological anthropologists.
Author : V. Loeschcke,J. Tomiuk,S.K. Jain
Publisher : Birkhäuser
Page : 427 pages
File Size : 44,9 Mb
Release : 2013-03-11
Category : Science
ISBN : 9783034885102
It follows naturally from the widely accepted Darwinian dictum that failures of populations or of species to adapt and to evolve under changing environments will result in their extinction. Population geneti cists have proclaimed a centerstage role in developing conservation biology theory and applications. However, we must critically reexamine what we know and how we can make rational contributions. We ask: Is genetic variation really important for the persistence of species? Has any species become extinct because it ran out of genetic variation or because of inbreeding depression? Are demographic and environmental stochas ticity by far more important for the fate of a population or species than genetic stochasticity (genetic drift and inbreeding)? Is there more to genetics than being a tool for assessing reproductive units and migration rates? Does conventional wisdom on inbreeding and "magic numbers" or rules of thumb on critical effective population sizes (MVP estimators) reflect any useful guidelines in conservation biology? What messages or guidelines from genetics can we reliably provide to those that work with conservation in practice? Is empirical work on numerous threatened habitats and taxa gathering population genetic information that we can use to test these guidelines? These and other questions were raised in the invitation to a symposium on conservation genetics held in May 1993 in pleasant surroundings at an old manor house in southern Jutland, Denmark.
Author : Jacob Höglund
Publisher : Oxford University Press
Page : 200 pages
File Size : 49,8 Mb
Release : 2009-03-19
Category : Nature
ISBN : 9780199214211
Conservation genetics focuses on understanding the role of genetic variation for population persistence. This book is about the methods used to study genetic variation in endangered species and whether genetic variation matters in the extinction of species.
Author : Richard Frankham,Jonathan D. Ballou,Katherine Ralls,Mark Eldridge,Michele R. Dudash,Charles B. Fenster,Robert C. Lacy,Paul Sunnucks
Publisher : Oxford University Press
Page : 426 pages
File Size : 48,8 Mb
Release : 2017-07-04
Category : Science
ISBN : 9780191086069
One of the greatest unmet challenges in conservation biology is the genetic management of fragmented populations of threatened animal and plant species. More than a million small, isolated, population fragments of threatened species are likely suffering inbreeding depression and loss of evolutionary potential, resulting in elevated extinction risks. Although these effects can often be reversed by re-establishing gene flow between population fragments, managers very rarely do this. On the contrary, genetic methods are used mainly to document genetic differentiation among populations, with most studies concluding that genetically differentiated populations should be managed separately, thereby isolating them yet further and dooming many to eventual extinction! Many small population fragments are going extinct principally for genetic reasons. Although the rapidly advancing field of molecular genetics is continually providing new tools to measure the extent of population fragmentation and its genetic consequences, adequate guidance on how to use these data for effective conservation is still lacking. This accessible, authoritative text is aimed at senior undergraduate and graduate students interested in conservation biology, conservation genetics, and wildlife management. It will also be of particular relevance to conservation practitioners and natural resource managers, as well as a broader academic audience of conservation biologists and evolutionary ecologists.