The Changing Wealth of Nations - Global Assessment of the Economic Value of Non-Wood Forest Ecosystem Services : Technical Report (English)

Table of Contents

• CONTENTS 4
• TABLES 6
• FIGURES 6
• ACRONYMS AND ABBREVIATIONS 8
• 1 Introduction 9
• 2.1 LITERATURE REVIEW AND 12
• DATA EXTRACTION 12
• 2 Development of Database of 12
• Non-Wood Forest Ecosystem 12
• Service Valuation Studies 12
• 2.2 VALUE ESTIMATES BY 15
• ECOSYSTEM SERVICE AND 15
• ESTIMATION METHOD 15
• 2.3 GEOGRAPHICAL 18
• DISTRIBUTION OF VALUES BY 18
• ECOSYSTEM SERVICE 18
• 2.4 VALUE ESTIMATES 20
• 2.5 LINKAGES WITH THE SYSTEM OF ENVIRONMENTAL- 21
• ECONOMIC ACCOUNTING 21
• ECOSYSTEM ACCOUNTING 21
• 3.1 OVERVIEW 27
• 3.2 ESTIMATION METHODS 27
• 3 Methods for the Spatial 27
• Estimation of the Value of Non- 27
• Wood Forest Ecosystem Services Globally 27
• Regression 29
• Random forest 29
• Bayesian Additive Regression Trees 29
• Automated ML 29
• Y Y Y 31
• TRAINING DATA 31
• 3.3 GLOBAL PREDICTIONS 34
• 4.1 CONSTRUCTION OF GLOBAL VARIABLES 38
• 4 Database Construction and Descriptive Analysis 38
• 4.2 LINKING THE WORLD GRID TO THE STUDY SITE LOCATIONS 42
• 4.3 DESCRIPTIVE ANALYSIS 42
• 5.1 ESTIMATION RESULTS 47
• 5 Estimation Results and 47
• Global Predictions 47
• 5.2 GLOBAL PREDICTIONS 59
• 5.3 RESULTS COMPARISON WITH THE PREVIOUS ASSESSMENTS 64
• 6 Contribution of Protected Areas to the Value of Non-Wood Forest Ecosystem Services 67
• 7 Discussion 70
• References 73
• Appendix 1 77
• Update the metadata analysis by incorporating newly available studies 77
• A1.1 IDENTIFYING POTENTIALLY RELEVANT STUDIES TO 77
• UPDATE THE PREVIOUS 77
• DATABASE 77
• A1.2 STUDY REVIEW PROTOCOL 79
• A1.3 DETERMINING THE 80
• APPLICABILITY OF VALUE 80
• ESTIMATES FOR THIS 80
• ASSESSMENT 80
• A1.4 VALUE ESTIMATES BY 84
• ECOSYSTEM SERVICES AND 84
• ESTIMATION METHOD 84
• A1.5 GEOGRAPHICAL 86
• DISTRIBUTION OF VALUES BY 86
• ECOSYSTEM SERVICE 86
• A1.6 SUMMARY OF VALUE 90
• ESTIMATES 90
• Appendix 2 91
• List of studies included and excluded 91
• A2.1 LIST OF STUDIES INCLUDED IN THE META-ANALYSIS 91
• A2.2 PAPERS REVIEWED AND 106
• NOT INCLUDED IN THE 106
• META-ANALYSIS 106
• A2.3 PAPERS UNABLE TO BE 161
• RETRIEVED 161
• Appendix 3 163
• Study review quality controlquality assurance protocol 163
• Appendix 4 164
• Currency conversion 164
• Regression 166
• Random forest 166
• Bayesian Additive Regression Trees 166
• Automated ML 166
• A5.1 GENERAL APPROACH 166
• Appendix 5 166
• Statistical methods 166
• A5.2 META-REGRESSION ANALYSIS 168
• A5.3 MACHINE LEARNING ALGORITHMS 169
• References 174
• A6.1 WORLD GRID DATA 175
• A6.2 GIS DATA PROCESSING DATA DESCRIPTION AND SOURCES 175
• Appendix 6 175
• GIS data processing and variables construction 175
• A6.3 CONSTRUCTING DATA ON ACCESSIBLE FOREST 190
• Appendix 7 191
• Resultsadditional tables and figures 191
• Appendix 8 204
• Global predictions by model 204
• Appendix 9 209
• Regional and country-level average predictions per hectare 2020 and total wealth 209