Dan Charman

Peatlands and Environmental Change

• Broschiertes Buch

Produktbeschreibung

Peatlands and Environmental Change provides a comprehensive summary of peatland science. The emphasis is on peatlands as dynamic parts of the landscape that are undergoing constant change as a result of processes of peat accumulation and development, as well as through human activity and climatic variability. The book is divided into four parts that look in turn at the nature of peatland classification and terminology, hydrological and ecological processes and peatland growth, changes in peatlands and their influence on the environment, and resource management issues. Each chapter is supported by examples from all the main peatland regions and site types including New Zealand, Australia and the tropics, as well as Europe and North America. Peatlands and Environmental Change is an ideal introduction to peatlands for those developing an understanding of these ecosystems, and for specialists who wish to broaden their knowledge.

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Produktdetails

• Verlag: Wiley
• Seitenzahl: 320
• Erscheinungstermin: 29. April 2002
• Englisch
• Abmessung: 246mm x 189mm x 17mm
• Gewicht: 607g
• ISBN-13: 9780470844106
• ISBN-10: 0470844108
• Artikelnr.: 22215621

Autorenporträt

Dan Charman is the author of Peatlands and Environmental Change, published by Wiley.

Inhaltsangabe

Preface and acknowledgements ix
Part 1 Introduction 1
Chapter 1 Peat and Peatlands 3
1.1 Introduction: wetlands and peatlands 3
1.2 Peat and peatland definitions and terminology 3
1.3 Scientific classification systems 5
1.4 Fens and bogs: a key concept 6
1.5 Hydromorphological peatland classification 7
1.6 Mire distribution 15
1.7 Summary 23
Chapter 2 Peat Landforms and Structure 24
2.1 Introduction: peat landforms 24
2.2 Landform development: form, process and time 24
2.3 Description of peat landforms 26
2.4 Landform survey techniques 28
2.5 Peat landform survey: an example from Scotland 32
2.6 Hydrology and peat landforms: the groundwater mound hypothesis 35
2.7 Summary 38
Part 2 Peat land Processes 39
Chapter 3 Peatland Hydrology and Ecology 41
3.1 Introduction 41
3.2 Hydrology and water balance 41
3.3 Water movement within peatlands 43
3.4 Outflows 44
3.5 Hydrochemistry 51
3.6 Chemical processes within peatlands 53
3.7 Ecology and ecohydrology 57
3.8 Limiting factors for plants and animals 57
3.9 Environmental gradients 60
3.10 Summary 72
Chapter 4 Origins and PeatInitiation 73
4.1 Introduction: time and peat growth 73
4.2 Frameworks for peat growth 73
4.3 Pathways to peal growth: terrestrialisation and paludification 74
4.4 Evidence for the origins of peatlands 74
4.5 Examples of peat initiation 80
4.6 Blanket mire initiation in the British Isles 80
4.7 Causes of paludification in other mires 84
4.8 Human impact as a cause of peat growth in other peatlands 86
4.9 Tropical peat initiation 87
4.10 Beavers and peat initiation 90
4.11 Summary 91
Chapter 5 Peat Accumulation 92
5.1 Introduction 92
5.2 Peatland cycles one peat accumulation 92
5.3 Productivity 94
5.4 Decay 100
5.5 Models of peat accumulation 104
5.6 Variability in long-term accumulation rates 110
5.7 Summary 113
Part 3 Changes in Peat lands 115
Chapter 6 The Peatland Archive Palaeoenvironmental Evidence 117
6.1 Introduction 117
6.2 The range of evidence and some general principles 117
6.3 Reasons for Palaeoenvironmental studies on peatlands 120
6.4 Measuring time peatland chronologies 121
6.5 Survey and stratigraphy 129
6.6 Biological evidence of past changes 130
6.7 Physical and chemical characteristics 137
6.8 Multi-proxy approaches 141
6.9 Summary 141
Chapter 7 Autogenic Change 143
7.1 Introduction: long-term change 143
7.2 Autogenic anti allogenic causes of change 143
7.3 Hydroseral succession 145
7.4 Reversals and other successions 149
7.5 Processes of terrestrialisation and the transition to bog peat 150
7.6 Lateral expansion and the development of peal land landscapes 153
7.7 'Mature' peatlands and erosion 155
7.8 Cyclic regeneration 156
7.9 Pattern development 156
7.10 Plant-mediated changes 161
7.11 Physical processes in cold climate peatlands 164
7.12 Summary 165
Chapter 8 Allogenic Change 166
8.1 Introduction 166
8.2 Climate 166
8.3 Fire 169
8.4 Hydrological factors 173
8.5 Volcanic influences 175
8.6 Climate reconstruction from peat 176
8.7 Summary 133
Chapter 9 Peatland-Environment Feedbacks 184
9.1 Introduction 184
9.2 Catchment hydrology 184
9.3 Water quality 186
9.4 Peatlands and global climate 192
9.5 Carbon budgets and gas exchange 194
9.6 Impacts of management and climate change on carbon cycling 198
9.7 Summary 203
Part 4 Resource Management 205
Chapter 10 Values Exploitation and Human Impacts 207
10.1 Introduction: peatland values 207
10.2 Economic values mid exploitation 207
10.3 Wildlife conservation values 209
10.4 Functional values 210
10.5 Value to society 210
10.6 Conservation and 'wise use' of peatlands 210
10.7 Impacts of recent human disturbance: drainage as a key process 212
10.8 Peat extraction 214
10.9 Forestry 219
10.10 Agricultural reclamation 225
10.11 Effects of fragmentation 225
10.12 Pollution 227
10.13 Recreation and other disturbance 229
10.14 Long-term anthropogenic disturbance 229
10.15 Summary 230
Chapter 11 Conservation Management and Restoration 231
11.1 Introduction 231
11.2 Naturalness disturbance and conservation 231
11.3 Management options for disturbed peatlands 233
11.4 Semi-natural peatlands habitat management 234
11.5 Restoration and rehabilitation 242
11.6 Restoration of cutover ombrotrophic mires 244
11.7 Restoring other damaged systems 253
11.8 The future for peatlands in the twenty-first century 255
References 258
Index 289

Rezensionen

"...an ideal introduction to peatlands..." (Journal of Soils &Sediments, Vol.2, No.3, 2002)

"...a welcome and timely addition..." (Land Degradation andDevelopment, November/December 2002)

"...a comprehensive summary of peatland science...it willbroaden specialists' and students' knowledge..." (InternationalJournal of Environment Studies, Vol.60, No.2, 2003)

"...certainly a book that should be on the shelves of allpeatland researchers..." (Environmental Conservation, Vol.30,No.1, 2003)

...."Overall, this is an outstanding book. Peatlands and Environmental Change is very highlyrecommended both for personal and library use, and should be on arange of reading lists...." (The Holocene,July 2003)

..."All in all this is a very good and well produced book.... and will become a widely cited reference text ..." (EarthSurface Processes & Landforms, Spetember 2003)