Protected Land
Disturbance, Stress, and American Ecosystem Management
(Sprache: Englisch)
This is a book about ecosystems: the ways in which we perceive them, conceptualize them,protect them, and manipulate them. Ecosystems have been given considerable attention inrecent literature, and with good reason. Our growing comprehension of...
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This is a book about ecosystems: the ways in which we perceive them, conceptualize them,protect them, and manipulate them. Ecosystems have been given considerable attention inrecent literature, and with good reason. Our growing comprehension of irreplaceable andimperiled ecosystem services has made it clear that we are in the midst of an ecological crisis.In response, various organizations, agencies, and individuals have dedicated themselves to thepreservation, restoration, and maintenance of ecological systems. The United States is a worldleader in this regard, building upon the legacy of giants like Thoreau, Muir, and Leopold.And yet, even as we scramble to rehabilitate and sustain ecosystems, the debate on their naturecontinues. In one corner are proponents of holism-those that see ecosystems as definableunits with recognizable and regenerative stable states.
Klappentext zu „Protected Land “
By many measures, Earth's ecosystems are stressed. Actually, it may be more accurate to say that Earth's remaining ecosystems are stressed. The fact is that most of the planet's biomes support only a fraction of the biological communities they once did, primarily because humans have converted large areas of land to alternate uses. More than two-thirds of the global temperate forests, half of the grasslands, even a third of desert ecosystems have been conscripted for human uses like agriculture, construction, harvest and extraction. Cultivation alone covers a quarter of the habitable terrestrial surface. Aquatic ecosystems have not fared any better. An estimated half of the world's wetlands are gone, particularly those of coastal regions or on arable land. About a fifth of the coral reefs and a third of the m- grove swamps of a century ago have been lost in just the last few decades. The volume of water impounded by dams quadrupled over the same period - it now far exceeds the volume of water in unimpeded rivers (Millennium Ecosystem Assessment 2005; Mitsch and Gosselink 2007). So any assessment of ecosystem status is necessarily an analysis of fragments and remnants, and many of these are degraded by one or more anthropogenic stressors.
Inhaltsverzeichnis zu „Protected Land “
Preface.- Four Ecosystems, Four Questions; Oak Openings, Ohio; Kissimmee River, Florida; Tallgrass Prairie, Kansas; Six Rivers National Forest, California; Four Questions.- Part 1: Ecosystems in Theory.- The Ecosystem Idea and Ideal; Preservation, Conservation, and Ecology; Gleason and Individualism; Leopoldian Preservation and Conservation; Hutchinson, Holism, and Individualism; The New Ecology; Preservation of the Ideal; Toward an Ecosystem Approach to Management.- A Thing is Right; The Adaptive Cycle; Diversity, Stability, Health and Integrity.- Disturbance, Stress, and Resilience; Disturbance; Resilience; Complications of Stress.- Invasion; Colonization and Succession; Factors of Colonization; Nonnative Invaders; Passengers and Drivers; Ecosystem Function and Service; Ecosystem Service and Invasion; Eradication; A Conservation Dilemma.- Part 2: Ecosystems in Practice.- Very Small Ecosystems; Microbial Ecosystems; Biofilms as Model Ecosystems; Biofilms as Patches; Micro- and Macro-Ecosystems.- Forested Ecosystems; The Forest Sanctuary; The Monongahela Experiment; Wilderness Management; Healthy Forests; Unmanaged Forest Succession.- Grassland Ecosystems.- Grasslands, Short and Tall; Prairie Restoration and Umbrella Species; Land Trust Grasslands.- Freshwater Ecosystems; Wetlands; Lakes; Rivers.- Saltwater Ecosystems; Intertidal Ecosystems; Subtidal Ecosystems; Deeper Water.- Protecting the Shifting Quilt; Holism, Strong and Weak; The Four Horsemen Revisited; Along the Continuum; Protecting the Shifting Quilt.- Index.
Bibliographische Angaben
- Autor: Douglas J. Spieles
- 2012, XIV, 166 Seiten, Maße: 14,7 x 23,8 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 1461426677
- ISBN-13: 9781461426677
Sprache:
Englisch
Pressezitat
From the reviews:"This new volume may be slender, but brevity, coupled with clarity, is a virtue here. The book focuses on 'ecological protection and management, in the face of our changing concept of the ecosystem.' ... The simple, lucid prose sustains the reader, making complexity easy to grasp. This book is slated to become a must read for students, conservation professionals, and citizen activists. Summing Up: Highly recommended. Lower-division undergraduates and above; general readers." (K. B. Sterling, Choice, Vol. 48 (8), April, 2011)
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