Ecosystem Homeostasis
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Ecosystem Homeostasis
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Author : P. Trojan
language : en
Publisher: Springer Science & Business Media
Release Date : 1984-03-31
Ecosystem Homeostasis written by P. Trojan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-03-31 with Science categories.
Ecosystem Homeostasis
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Author : Przemysław Trojan
language : en
Publisher:
Release Date : 1984
Ecosystem Homeostasis written by Przemysław Trojan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Ecological Homeostasis
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Author : Christopher J. Paradise
language : en
Publisher: Momentum Press
Release Date : 2016-04-27
Ecological Homeostasis written by Christopher J. Paradise and has been published by Momentum Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-27 with Science categories.
Individual organisms contribute to nutrient cycling in ecological systems, which is shown to be a mechanism of homeostasis at that level. The phosphorus and nitrogen cycles are used to illustrate effects of changes in populations or communities on the cycling of these nutrients. Major disturbances such as deforestation and global climate change disrupt nutrient cycles and ecological system homeostasis. Data are examined to determine effects of deforestation on nutrient cycling. Increasing atmospheric carbon dioxide and global climate change are disrupting ecological systems’ homeostasis, and several studies are used to show how this is happening, including changes in primary production, temperature and precipitation patterns. This book also discusses the role of individual species in filtering contaminants and pollutants from ecological systems.
Life Out Of Balance
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Author : Joel B. Hagen
language : en
Publisher: University Alabama Press
Release Date : 2021-04-13
Life Out Of Balance written by Joel B. Hagen and has been published by University Alabama Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-13 with Science categories.
Traces historical developments in scientific conceptions of physiology, ecology, behavior, and evolutionary biology during the mid-twentieth century Life Out of Balance focuses on a period in history when new ideas of self-regulation, adaptation, and fitness became central to a variety of biological disciplines. During the decades surrounding World War II, these ideas developed in several quite different contexts and led to greater debates about the merits of such models as applied to larger systems, including society at large. Particularly in its later cybernetic form, homeostasis seemed to provide new ways of discussing balance and regulation that avoided discredited approaches of earlier champions of vitalism and mechanism. It provided a common perspective and terminology for discussing self-regulating “systems,” whether biological, mechanical, or social. Although enormously fruitful and influential, homeostatic perspectives also generated numerous controversies when critics questioned the degree to which biological systems are characterized by balance and self-regulation. Resolving these controversies continues to be a challenge in modern biology. If natural selection constitutes the first law of biology, scientists who champion homeostasis as a theoretical model claim that it is a second law, equally important and closely related to the first. Such claims notwithstanding, homeostasis has generated a series of controversies since it was formalized by Walter Cannon in the late 1920s. Critics contended that Cannon took a too-optimistic view of life, not only ignoring pathological deviations from normality but also failing to adequately explain the ability of living things to respond adaptively to environmental challenges. Underlying these controversies was the unresolved problem of integrating physiology and other areas of functional biology with the emerging evolutionary synthesis of Mendelian genetics and Darwinian natural selection. The physiological idea of homeostasis as the adaptive “fit” between the organism and its environment and the Darwinian idea of adaptation and fitness in terms of reproductive success might seem to be complementary in an unproblematic way, but historically they have had an uneasy relationship.
Freshwater Microbiology
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Author : David C. Sigee
language : en
Publisher: John Wiley & Sons
Release Date : 2005-09-27
Freshwater Microbiology written by David C. Sigee and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-27 with Science categories.
This unique textbook takes a broad look at the rapidly expanding field of freshwater microbiology. Concentrating on the interactions between viruses, bacteria, algae, fungi and micro-invertebrates, the book gives a wide biological appeal. Alongside conventional aspects such as phytoplankton characterisation, seasonal changes and nutrient cycles, the title focuses on the dynamic and applied aspects that are not covered within the current textbooks in the field. Complete coverage of all fresh water biota from viruses to invertebrates Unique focus on microbial interactions including coverage of biofilms, important communities on all exposed rivers and lakes. New information on molecular and microscopical techniques including a study of gene exchange between bacteria in the freshwater environment. Unique emphasis on the applied aspects of freshwater microbiology with particular emphasis on biodegradation and the causes and remediation of eutrophication and algal blooms.
Ecology
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Author : C. Lévêque
language : en
Publisher: Science Publishers
Release Date : 2003-01-10
Ecology written by C. Lévêque and has been published by Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-10 with Science categories.
Eleven plants were chosen so as to cover a wide range of biological characteristics (perennial, annual, autogamous, allogamous, etc.) in this study. Three chapters on methodology complement these studies. The first is devoted to the use of biological and molecular markers to analyse the diversity of collections, the second addresses data analysis, and the third describes a method for constituting core collectaions based on maximization of variability.
Homeostasis Of Terrestrial Ecosystems
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Author : Przemysław Trojan
language : en
Publisher:
Release Date : 1979
Homeostasis Of Terrestrial Ecosystems written by Przemysław Trojan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Biotic communities categories.
Human Ecology
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Author : Gerald G Marten
language : en
Publisher: Taylor & Francis
Release Date : 2010-09-23
Human Ecology written by Gerald G Marten and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-23 with Business & Economics categories.
'The scope and clarity of this book make it accessible and informative to a wide readership. Its messages should be an essential component of the education for all students from secondary school to university... [It] provides a clear and comprehensible account of concepts that can be applied in our individual and collective lives to pursue the promising and secure future to which we all aspire' From the Foreword by Maurice Strong, Chairman of the Earth Council and former Secretary General of the United Nations Conference on Environment and Development (Earth Summit) The most important questions of the future will turn on the relationship between human societies and the natural ecosystems on which we all, in the end, depend. The interactions and interdependencies of the social and natural worlds are the focus of growing attention from a wide range of environmental, social and life sciences. Understanding them is critical to achieving the balance involved in sustainable development. Human Ecology: Basic Concepts for Sustainable Development presents an extremely clear and accessible account of this complex range of issues and of the concepts and tools required to understand and tackle them. Extensively supported by graphics and detailed examples, this book makes an excellent introduction for students at all levels, and for general readers wanting to know why and how to respond to the dilemmas we face.
Traditions Of Systems Theory
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Author : Darrell Arnold
language : en
Publisher: Routledge
Release Date : 2013-12-17
Traditions Of Systems Theory written by Darrell Arnold and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-17 with Computers categories.
The term ‘systems theory’ is used to characterize a set of disparate yet related approaches to fields as varied as information theory, cybernetics, biology, sociology, history, literature, and philosophy. What unites each of these traditions of systems theory is a shared focus on general features of systems and their fundamental importance for diverse areas of life. Yet there are considerable differences among these traditions, and each tradition has developed its own methodologies, journals, and forms of anaylsis. This book explores this terrain and provides an overview of and guide to the traditions of systems theory in their considerable variety. The book draws attention to the traditions of systems theory in their historical development, especially as related to the humanities and social sciences, and shows how from these traditions various contemporary developments have ensued. It provides a guide for strains of thought that are key to understanding 20th century intellectual life in many areas.
Environmental Science
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Author : Daniel Chiras
language : en
Publisher: Jones & Bartlett Learning
Release Date : 2010
Environmental Science written by Daniel Chiras and has been published by Jones & Bartlett Learning this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Science categories.
Completely updated, the eighth edition of 'Environmental Science' enlightens students on the fundamental causes of the current environmental crisis and offers ideas on how we, as a global community, can create a sustainable future.