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Ecosystem Geography: From Ecoregions to Sites 2nd ed. 2009 [Pehme köide]

  • Formaat: Paperback / softback, 251 pages, kõrgus x laius: 235x178 mm, kaal: 563 g, XIII, 251 p., 1 Paperback / softback
  • Ilmumisaeg: 23-Nov-2009
  • Kirjastus: Springer-Verlag New York Inc.
  • ISBN-10: 1441903917
  • ISBN-13: 9781441903914
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  • Formaat: Paperback / softback, 251 pages, kõrgus x laius: 235x178 mm, kaal: 563 g, XIII, 251 p., 1 Paperback / softback
  • Ilmumisaeg: 23-Nov-2009
  • Kirjastus: Springer-Verlag New York Inc.
  • ISBN-10: 1441903917
  • ISBN-13: 9781441903914
and management is presently undergoing enormous change: away L from managing single resources to managing ecosystems. From f- est to tundra, to desert, to steppe, the worlds ecosystems vary vastly. To manage them effectively we need to understand their geographic d- tribution better. We need to do this at various levels of detail because ecosystems exist at multiple scales in a hierarchy, from regional to local. Maps are needed to display ecosystem distribution and hierarchy. Until now, information on de ning ecosystem boundaries has been scarce. This book is the ?rst to clarify and systematize the underlying principles for their mapping. It presents a synthesis of the knowledge in this ?eld and provides a guide to its use. I recommend this book to all who are involved in the study and m- agement of ecosystems. Chief, USDA Forest Service Jack Ward Thomas v Preface to the Second Edition his book outlines a system that organizes the Earth into a hierarchy T of increasingly ?ner-scale ecosystems that can serve as a consistent framework for ecological analysis and management. The system consists of a three-level hierarchy of nested ecosystem units and their associated mapping criteria. Delineation of units involves identifying the envir- mental factors controlling the spatial geography of ecosystems at va- ous levels and establishing boundaries where these factors change s- ni cantly. Macroscale units (ecoregions) are climatically controlled and delineated as KöppenTrewartha climate zones.

Arvustused

From the reviews of the second edition: "In this second edition, Bailey ... clarifies original concepts, explains how boundaries of ecological units at the three scales can be mapped, contrasts genetic and empirical approaches to ecosystem classification, and discusses how climate change over time and human modifications influence ecosystem distribution and processes. ... The volume's excellent illustrations include maps, redrawn two-color diagrams, and photos. Summing Up: Essential. Upper-division undergraduate through professional ecology and resource management collections." (R. L. Smith, Choice, Vol. 47 (11), July, 2010) From the reviews: "An important book, richly illustrated with clear diagrams, maps, and photos. A major contribution to ecosystem ecology and an essential acquisition." (Choice) "the first [ book] to synthesize the available knowledge for ecosystem classification and mapping and to provide a general guide to its use-Foresters will find Ecosystem Geography a carefully compiled benchmark reference with an exhaustive bibliography on the state-of-the-art of ecosystem classification and its bearing on resource management." (Journal of Forestry) "I would recommend this book to those with serious interest in physical geography-a good resource for those who teach physical geography." (Journal of Geography) "The new 'ecosystem management' demands an understanding of ecosystems and the relationships between them. In short, it requires a sound geographical knowledge of ecosystems. Ecosystem Geography lays a firm foundation for such knowledge." (Progress in Physical Geography) "The book is essential reading for ecologists and natural area managers interested in ecosystem management and understanding how their landscapes fit into the larger picture regionally, continentally, and globally." (Natural Areas Journal)

Muu info

"Ecosystem Geography" is the most clearly written and content-packed book I've ever read. Let me state that again: it is the most clearly written technical book I've ever read. I really admire Bob a lot. The latest edition of his book, "Ecoregions," has the simplest, best summary of climate change I've seen." (David D. Diamond, Director, Missouri Resource Assessment Partnership (MoRAP), University of Missouri)
Foreword v
Preface to the Second Edition vii
Preface to the First Edition ix
Introduction
1(24)
The problems
Where are we headed?
The ecosystem approach
Classification of land as ecosystems
Ecosystem-based planning
Predicting effects
Levels of integration
Structure: the basis of classification
Need for recognizing ecosystems at various scales
Ecosystem geography
Do we know enough?
Need to delineate ecosystem boundaries
The genetic approach
Scale of Ecosystem Unit
25(4)
Site
Landscape mosaic
Ecoregion
National hierarchy of ecological units
The Question of Boundary Criteria
29(12)
Gestalt method
Map-overlay method
Multivariate clustering method
Digital-image processing method
Controlling factors method
Analysis of controlling factors
Role of Climate in Ecosystem Differentiation
41(12)
Hydrologic cycle
Landforms and erosion cycles
Life cycles
Fire regimes
Plant productivity
Litter and decomposition
Controls over the climatic effect and scale
Macroscale: Macroclimatic Differentiation (Ecoregions)
53(30)
Causes of ecoregion pattern
Latitude
Continental position
Elevation
Macroclimatic differentiation in review
Ecoclimatic Zones of the Earth
83(10)
Criteria used in delineating ecoregion levels
The domains
The provinces
Ecoregion maps
Ecoregion boundaries
Local contrasts within zones
Relationship to other ecoregional zoning systems
Ecoregions of the United States
93(22)
100 Polar domain
200 Humid temperate domain
300 Dry domain
400 Humid tropical domain
Mountains with altitudinal zonation
American ecoregions in review
Ecoregion Redistribution Under Climate Change
115(12)
Long-term climate change
Use of the Koppen climate classification to detect climate change
Summary
Mesoscale: Landform Differentiation (Landscape Mosaics)
127(18)
Causes of landscape mosaic pattern
Principal landform classes
Geologic substratum
Levels of landform differentiation
Landforms in review
Microscale: Edaphic-Topoclimatic Differentiation (Sites)
145(24)
Causes of site pattern
Slope-aspect and ground conditions
Geologic differentiation
Topoclimate-soil moisture ecoclimatic grid
Human influences on ecosystems and present-day systems
Applications of Ecosystem Geography
169(26)
Determining the mapping units
Relationships
Examples of useful correlations and applications
Significance to ecosystem management
Significance to research
Conclusion
Summary and Conclusions
195(8)
Mapping criteria
Boundaries
Management hierarchies and ecosystem hierarchies
Human dimensions
Ecosystem services
Appendix Ecoregions of the Oceans
203(4)
Polar domain
Temperate domain
Tropical domain
Shelf
Glossary 207(12)
Further Reading 219(2)
Bibliography 221(20)
About the Author 241(2)
Subject Index 243