Insect Ecology: An Ecosystem Approach

Insect Ecology: An Ecosystem Approach

by Timothy D. Schowalter

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Product Details

ISBN-13: 9780123813527
Publisher: Elsevier Science
Publication date: 04/10/2006
Sold by: Barnes & Noble
Format: NOOK Book
Pages: 650
File size: 11 MB
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About the Author

Timothy D. Schowalter received his Ph.D. degree in Entomology from the University of Georgia in 1979. Since 1981, he has been a professor of entomology at Oregon State University, Corvallis, studying the effects of environmental changes, including natural and anthropogenic disturbances, on arthropod communities in temperate and tropical ecosystems, and effects of herbivores and detritivores on primary production, carbon flux, biogeochemical cycling. From 1992-93, he served as Program Director for Integrative and Theoretical Ecology at the National Science Foundation, where he was involved in developing global change and terrestrial ecosystem research initiatives at the federal level. He served as a U.S. delegate to international conventions to develop collaboration between U.S. Long Term Ecological Research (LTER) sites and long term sites in Hungary and East Asia and the Pacific.

Table of Contents

Prefaceix
1Overview1
I.Scope of Insect Ecology3
II.Ecosystem Ecology5
III.Environmental Change and Disturbance10
IV.Ecosystem Approach to Insect Ecology12
V.Scope of This Book12
Section IEcology of Individual Insects
2Responses to Abiotic Conditions17
I.The Physical Template18
II.Surviving Variable Abiotic Conditions33
III.Factors Affecting Dispersal Behavior41
IV.Responses to Anthropogenic Changes47
V.Summary47
3Resource Acquisition49
I.Resource Suitability50
II.Resource Acceptability68
III.Resource Availability72
IV.Summary82
4Resource Allocation85
I.Resource Budget85
II.Allocation of Assimilated Resources87
III.Efficiency of Resource Use104
IV.Summary108
Section IIPopulation Ecology
5Population Systems113
I.Population Structure113
II.Population Processes123
III.Life History Characteristics130
IV.Parameter Estimation132
V.Summary135
6Population Dynamics137
I.Population Fluctuation138
II.Factors Affecting Population Size141
III.Models of Population Change151
IV.Summary159
7Biogeography161
I.Geographic Distribution162
II.Spatial Dynamics of Populations167
III.Anthropogenic Effects on Spatial Dynamics175
IV.Conservation Biology181
V.Models183
VI.Summary185
Section IIICommunity Ecology
8Species Interactions189
I.Classes of Interactions190
II.Factors Affecting Interactions211
III.Consequences of Interactions217
IV.Summary219
9Community Structure221
I.Approaches to Describing Communities222
II.Patterns of Community Structure237
III.Determinants of Community Structure243
IV.Summary246
10Community Dynamics249
I.Short-Term Change in Community Structure250
II.Successional Change in Community Structure250
III.Paleoecology265
IV.Diversity versus Stability271
V.Summary274
Section IVEcosystem Level
11Ecosystem Structure and Function279
I.Ecosystem Structure280
II.Energy Flow283
III.Biogeochemical Cycling290
IV.Climate Modification300
V.Modeling303
VI.Summary309
12Herbivory311
I.Types and Patterns of Herbivory312
II.Effects of Herbivory322
III.Summary341
13Pollination, Seed Predation, and Seed Dispersal343
I.Mechanisms and Patterns of Pollination344
II.Effects of Pollination348
III.Mechanisms and Patterns of Seed Predation and Dispersal350
IV.Effects of Seed Predation and Dispersal357
V.Summary358
14Decomposition and Pedogenesis361
I.Types and Patterns of Detritivory and Burrowing362
II.Effects of Detritivory and Burrowing372
III.Summary387
15Insects as Regulators of Ecosystem Processes389
I.Development of the Concept390
II.Properties of Cybernetic Systems394
III.Ecosystems as Cybernetic Systems395
IV.Summary411
Section VSynthesis
16Synthesis415
I.Summary416
II.Synthesis417
III.Critical Issues419
IV.Conclusions422
Bibliography423
Author Index463
Taxonomic Index469
Subject Index473

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