Ecology of Wildfire Residuals in Boreal Forests by Ajith PereraEcology of Wildfire Residuals in Boreal Forests by Ajith Perera

Ecology of Wildfire Residuals in Boreal Forests

byAjith Perera, Lisa Buse

Hardcover | September 15, 2014

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This book will draw attention to the residuals in pan-boreal forest fires and synthesize the state of knowledge.  It will do so by:  (a) Examining the concept of fire residuals from different perspectives,  (b) Reviewing the growing body of scientific literature on the topic,  (c) Conceptualizing the process of residual formation in relation to scale of fire disturbance, (d) Discussing the roles of fire residuals in ecological processes, (e) Describing approaches and methods of studying fire residuals, (f) Compiling and summarizing what is known about fire residual vegetation with respect to their extent, spatial patterns, and temporal changes,  (g) Discussing how the knowledge of fire residuals is applied in forest management, including social perspective, and (h) Synthesizing the state of knowledge, identifying its uncertainties and gaps, and proposing research hypotheses.   The authors use pan-boreal scientific literature on boreal fire residuals as well as fire behaviour, fire ecology, habitat ecology, and geochemical processes.  For readers this book will be a reference for knowledge to date and a meta-analysis of research trends during the past few decades.  In addition, the authors judiciously include views constructed from their observations and research experience, from boreal Canada, when they synthesize and conceptualize the knowledge.  They also incorporate information extracted from their discussions and interactions with North American and European ecologists, forest managers, and conservationists to provide insight to different views and perspectives on the fire residuals of the boreal forest system.  This book will inform researchers and students who study boreal forest ecology, as well as policymakers and forest managers who apply forest ecological knowledge in forest management.

This book provides a review and coalescence of the current knowledge of boreal forest fire residuals, which at present is sporadic and has not been unified or synthesized.  Moreover, these are presently viewed myopically and parochially, rather than holistically.  The intent of the synthesis is to identify knowledge uncertainties and gaps and propose topics for future research. Most importantly, it brings together fire behaviour, ecological scale, vegetation ecology, and conservation biology to conceptualize forest fire residuals.  Although focused on boreal forests, the contents and principles presented are also be pertinent to other large-scale fire driven forest systems, such as dry montane forests in North America and Australian eucalypt forests. This book will add to the current knowledge base by providing a source of significant literature to-date, an in-depth examination of baseline concepts of forest fire residuals, as well as questions and research ideas to address the identified gaps. The timing is ideal because the knowledge base is beginning to expand and the interest in the topic is increasing: such a synthesis would provide an important foundation for future advances in this very relevant topical area. The book is a compact, yet comprehensive, dissertation of remnant vegetation in boreal forest fires with respect to their formation, role in ecological processes, applied importance, and a synthesis of state-of-the-knowledge and future research directions. The scope is boreal forests worldwide, including North America, Europe, and Asia. Brief TOC: Why the interest in boreal fire residuals; what are fire residuals; how are fire residuals formed; what are the ecological roles of the fire residuals; what is the role of residuals in forest management applications; synthesis, knowledge, uncertainties and research needs.
Ajith H. Perera is a senior research scientist and leads the Forest Landscape Ecology Program at the Ontario Forest Research Institute in Ontario, Canada. He has over twenty-five years of research experience in landscape ecology, much of it focused on understanding patterns and processes of boreal forest fire regimes. He hasauthored ma...
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Title:Ecology of Wildfire Residuals in Boreal ForestsFormat:HardcoverDimensions:272 pages, 9.3 × 6.2 × 0.7 inPublished:September 15, 2014Publisher:WileyLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1444336533

ISBN - 13:9781444336535

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Table of Contents

Acknowledgments xi

About the companion website xiii

1 Introduction 1

The boreal forest biome 2

Geographical distribution 4

Distinguishing features 6

Boreal wildfires 9

Major characteristics 9

Ecological significance 11

Goals and scope of the book 12

References 14

2 Formation of wildfire residuals 18

Factors that affect the formation of residuals 19

Boreal forest communities 20

Boreal wildfires 31

Residual formation and distribution 40

Spatial heterogeneity in fire behavior 41

Process of residual formation 44

Summary 59

References 61

3 Types of wildfire residuals and their extent 65

Types of wildfire residuals 66

A post-wildfire scene 66

Past descriptions of wildfire residuals 71

Abundance and extent of wildfire residuals 79

Snag residuals 80

Live tree residuals 81

Residual patches 84

Changes in residuals after wildfires 88

Snag residuals 88

Live tree residuals 89

Residual patches 92

Toward improved definitions and assessment 93

Reasons for improvement 93

Definitions of wildfire residuals 95

Improved study approaches 103

Summary 107

References 113

4 Ecological roles of wildfire residuals 119

Ecological processes involving snag residuals 121

Invasion by beetles 121

Colonization by woodpeckers 132

Occupation by other bird species 140

Forest regeneration 142

Roles of the residual patches 148

Providing temporary shelter 149

Supplementing the recovery 151

Creating heterogeneity 161

Ecological significance 161

Wildfire residuals and the carbon cycle 162

Wildfire residuals and nutrient and hydrological cycles 165

Summary 168

References 173

5 Role of wildfire residuals in forest management applications 184

Restoring wildfire residuals 185

Ecological expectations 186

Considerations for application 187

Challenges and uncertainties 190

Emulating wildfire disturbance 191

Background 191

Emulating wildfire residuals by forest harvest 193

Expectations and uncertainties 197

Salvage logging 202

Background 202

Ecological consequences 204

Practical considerations 212

Uncertainties 217

Summary 220

References 222

6 Ecology of boreal wildfire residuals – a summary and synthesis 227

Wildfire residuals and their occurrence 227

Residual vegetation types 228

Spatial patterns of residuals 231

Ecological roles of wildfire residuals 235

Snag residuals 235

Residual patches 236

A conceptual view 237

Knowledge uncertainties 239

Management applications and wildfire residuals 240

Salvage logging 240

Emulating wildfire disturbances 240

Restoring wildfire residuals 242

Suppressing fire 243

Research needs on wildfire residuals 243

Advancing research methods 243

Expanding research topics 244

Conclusion 245

Index 247