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Communities and Ecosystems : Linking the Aboveground and Belowground Components (MPB-34) - David A. Wardle

Communities and Ecosystems

Linking the Aboveground and Belowground Components (MPB-34)

Paperback

Published: 22nd April 2002
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Most of the earth's terrestrial species live in the soil. These organisms, which include many thousands of species of fungi and nematodes, shape aboveground plant and animal life as well as our climate and atmosphere. Indeed, all terrestrial ecosystems consist of interdependent aboveground and belowground compartments. Despite this, aboveground and belowground ecology have been conducted largely in isolation. This book represents the first major synthesis to focus explicitly on the connections between aboveground and belowground subsystems--and their importance for community structure and ecosystem functioning.

David Wardle integrates a vast body of literature from numerous fields--including population ecology, ecosystem ecology, ecophysiology, ecological theory, soil science, and global-change biology--to explain the key conceptual issues relating to how aboveground and belowground communities affect one another and the processes that each component carries out. He then applies these concepts to a host of critical questions, including the regulation and function of biodiversity as well as the consequences of human-induced global change in the form of biological invasions, extinctions, atmospheric carbon-dioxide enrichment, nitrogen deposition, land-use change, and global warming.

Through ambitious theoretical synthesis and a tremendous range of examples, Wardle shows that the key biotic drivers of community and ecosystem properties involve linkages between aboveground and belowground food webs, biotic interaction, the spatial and temporal dynamics of component organisms, and, ultimately, the ecophysiological traits of those organisms that emerge as ecological drivers. His conclusions will propel theoretical and empirical work throughout ecology.

"Highly recommended for all ecologists."--Choice "I suspect that this book, if for nothing else than for the sheer weight of its intellectual synthesis, will be among [the] classics for many years to come."--Patrick Bohlen, Ecology

Acknowledgmentsp. vii
Introductionp. 1
The Soil Food Web: Biotic Interactions and Regulatorsp. 7
Controls: Top Down, Bottom Up, and Productivity 9
Regulation by Resources and Predation in Soil Food Websp. 16
Litter Transformers, Ecosystem Engineers, and Mutualismsp. 37
The Functionality of Soil Food Websp. 43
Stability and Temporal Variabilityp. 48
Synthesisp. 53
Plant Species Control of Soil Biota and Processesp. 56
Plant Species Effects on Soil Biotap. 57
Links among Plant Species, Soil Biota, and Soil Processesp. 68
Temporal and Spatial Variabilityp. 73
Plant Traits, Strategies, and Ecophysiological Constraintsp. 83
Soil Biotic Responses to Vegetation Successionp. 97
Synthesisp. 103
Belowground Consequences of Aboveground Food Web Interactionsp. 105
Individual Plant Effectsp. 106
Dung and Urine Returnp. 114
Effects of Palatability Differences among Plant Speciesp. 117
Spatial and Temporal Variabilityp. 130
Consequences of Predation of Herbivoresp. 132
Transport of Resources by Aboveground Consumersp. 134
Synthesisp. 136
Completing the Circle: How Soil Food Web Effects Are Manifested Abovegroundp. 138
The Decomposer Food Webp. 140
Nitrogen Transformationsp. 152
Microbial Associates of Plant Rootsp. 157
Root Herbivoresp. 169
Physical Effects of Soil Biotap. 173
Soil Biotic Effects on Aboveground Food Websp. 175
Synthesisp. 181
The Regulation and Function of Biological Diversityp. 183
Assessment of Soil Diversityp. 184
Stress and Disturbance as Controls of Soil Diversityp. 187
Biotic Controls of Diversityp. 194
The Enigma of Soil Diversityp. 203
Diversity of Soil Organisms over Larger Spatial Scalesp. 205
Biodiversity and Ecosystem Functionp. 209
Synthesis 236
Global Change Phenomena in an Aboveground-Belowground Contextp. 239
Species Losses and Gainsp. 240
Land Use Changesp. 253
Carbon Dioxide Enrichment and Nitrogen Depositionp. 265
Global Climate Changep. 281
Synthesisp. 292
Underlying Themesp. 295
Referencesp. 309
Indexp. 387
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780691074870
ISBN-10: 0691074879
Series: Monographs in Population Biology
Audience: Tertiary; University or College
Format: Paperback
Language: English
Number Of Pages: 408
Published: 22nd April 2002
Country of Publication: US
Dimensions (cm): 21.44 x 14.07  x 2.52
Weight (kg): 0.48