IPCC Report on Definitions and Methodological Options to

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Inventory Emissions from Direct Human-induced Degradation of

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Forests and Devegetation of Other Vegetation Types

4403

ID

Intergovernmental Panel on Climate Change

2004

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Contents

ACKNOWLEDGEMENT 7

PREFACE 8

1 OVERVIEW 9

1.1 Introduction 9

1.2 Structure of the Report 10

1.3 Key Findings 11

2 OPTIONS FOR DEFINITIONS OF FOREST DEGRADATION AND DEVEGETATION OF OTHER

VEGETATION TYPES 13

2.1 Elements of Definitions 13

2.2 Definitions of Forest Degradation. 13

2.2.1 Possible Definitions of Forest Degradation and Their Key Features. 13

2.2.2 Example Applications of Definitions of Forest Degradation. 16

2.3 Definitions of Devegetation of Other Vegetation Types. 17

2.3.1 Possible Definitions of Devegetation and Their Key Features 17

2.3.2 Example Applications of Definitions of Devegetation of Other Vegetation Types. 20

3 METHODOLOGICAL OPTIONS FOR ESTIMATING EMISSIONS FROM FOREST DEGRADATION

AND DEVEGETATION 21

3.1 Introduction 21

3.2 Approaches to Identification of Land Areas Subject to Forest Degradation and Devegetation 21

3.3 Estimation of Carbon Stock Changes and non-CO2 Greenhouse Gas Emissions . 22

3.4 Approaches and Tiers 22

3.5 Quality Assurance / Quality Control . 22

3.6 Reporting and Documentation 23

4 IMPLICATIONS OF THE DEFINITIONAL OPTIONS FOR FOREST DEGRADATION AND

DEVEGETATION UNDER ARTICLE 3.4 OF THE KYOTO PROTOCOL 24

4.1 Introduction 24

4.2 Forest Degradation 24

4.3 Devegetation 27

4.4 Methodological Implications of Costs, Scale of Application and Accuracy. 27

REFERENCES 30

LIST OF REVIEWERS 31