Beetle-Pathogen Interactions in Conifer Forests

Beetle-Pathogen Interactions in Conifer Forests

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Bark beetles and pathogens are recognized as two of the most important components of conifer forest ecosystems, and their interactions have major consequences for timber production and ecological processes. Because of the close interaction between these groups of organisms, management of their effects requires an integrated approach rather than the traditional separation of the insect and pathogen transmission, while pathogens often predispose trees to bark beetle attack. This book addresses advances in bark beetle and pathogen systematics, environmental and host factors predisposing trees to bark beetle or pathogen colonization, mechanism of interaction between bark beetles and pathogens (and associated organisms), effects on trees and forest ecosystems and management strategies. Interest in these interactions is likely to increase as global change and forest management affect future responses. Insects are an important vector of plant/tree diseases, leading to considerable forestry losses, either directly or by providing dead wood to fuel forest fires.
This book examines the ecological basis for the insect/pathogen/tree relationship and points to sound methods of preventive management.
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Product details

  • Hardback | 256 pages
  • 172.21 x 249.17 x 19.81mm | 594.2g
  • Academic Press Inc
  • San Diego, United States
  • English
  • references, index
  • 0126289700
  • 9780126289701

Table of contents

Part 1 Introduction: bark beetle-pathogen-conifer interactions - an overview, T.D. Schowalter and G.M. Filip; the ecosystem view of forests; advances in forest pest management; bark beetles, pathogens and conifers. Part 2 Systematics: systematics of bark beetles, D. Bright; status of bark beetle systematics; present classification of the Scolytidae; biology and taxonomy of fungi associated with bark beetles, T.C. Harrington; fungal symbionts; root pathogens; predisposing trees to bark beetles. Part 3 Factors influencing interactions: abiotic and biotic predisposition, T.D. Paine and F.A. Baker; abiotic predisposing factors; biotic predisposing factors; future trends; environmental stress and whole-tree physiology, P.L. Lorio, Jr; a basis for understanding stress effects, host tree ontogeny and phenology; physiological changes associated with development; water deficits, tree development and physiology; mechanisms of tree defense; factors affecting expression resistance; strategies and mechanisms of host colonization by bark beetles, K.F. Raffa, et al; the subcortical environment, scolytid strategies; mechanisms of host colonization by bark beetles; integration of scolytid strategies and mechanisms; invertebrate and microbial associates, F.M. Stephen, et al; organisms involved; arrival sequence; impact of natural enemies. Part 4 Effects of interactions: host response to bark beetle and pathogen colonization, T.E. Nebeker, et al; response to initial colonization; tree decline; effects of pathogens and bark beetles on forests, D.J. Goheen and E.J. Hansen; effects of bark beetle - pathogen interactions; modelling interactions, C.G. Shaw III and B.B. Eav; development and use of pest models; the Western root disease model; managing root disease and bark beetles, S. Hagle and R. Schmitz; effects of part and current management practices; management strategies for ecological balance; synopsis, G.M. Filip and T.D. Schowalter; synthesis of current knowledge; recommendations for future research. Appendices: scientific and common names of trees and shrubs; scientific and common names of insects; scientific names of mites; scientific names of pathogens and common names of resulting diseases.
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