Contributors |
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xxi | |
Preface |
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xxv | |
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Section I Introduction to Forest Monitoring |
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1 Forest Monitoring: An Introduction |
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3 | (16) |
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3 | (2) |
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1.2 What is Forest Monitoring? |
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5 | (2) |
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5 | (1) |
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6 | (1) |
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1.3 Monitoring and Science |
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7 | (4) |
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7 | (1) |
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1.3.2 Relationship with Other Scientific Investigation Approaches |
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8 | (3) |
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1.4 Forest Monitoring by Terrestrial Methods: What Has Been Done? |
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11 | (2) |
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13 | (2) |
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13 | (1) |
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1.5.2 Structure and Contents |
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14 | (1) |
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15 | (1) |
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15 | (4) |
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2 Pan-European Forest Monitoring: An Overview |
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19 | (14) |
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19 | (1) |
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2.2 Forest Information Needs |
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20 | (1) |
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2.3 Approaches of Assessing Forest Information |
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21 | (1) |
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22 | (3) |
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2.5 Cooperations in Monitoring and Data Analyses |
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25 | (3) |
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28 | (1) |
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29 | (1) |
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30 | (3) |
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3 Forest and Related-Ecosystem Monitoring in Acid Deposition Monitoring Network in East Asia |
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33 | (16) |
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33 | (1) |
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3.2 Possible Effects of Air Pollution/Acid Deposition in East Asian Forests |
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34 | (1) |
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34 | (1) |
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3.2.2 Nitrogen Saturation |
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35 | (1) |
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3.3 Monitoring Methods in Forest and Related Ecosystems |
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35 | (7) |
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35 | (1) |
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3.3.2 Monitoring of Forest and Related Ecosystems |
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36 | (2) |
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38 | (1) |
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39 | (3) |
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3.4 Achievements of the Monitoring Program |
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42 | (4) |
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42 | (1) |
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43 | (1) |
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3.4.3 Biogeochemical Analysis in Forest Catchments |
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44 | (2) |
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46 | (1) |
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46 | (1) |
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46 | (3) |
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4 Forest Monitoring Methods in the United States and Canada: An Overview |
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49 | (28) |
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49 | (1) |
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4.2 FHM in the United States |
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50 | (10) |
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4.2.1 History and Implementation of FHM Program |
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50 | (7) |
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4.2.2 Research on Monitoring Techniques |
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57 | (1) |
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4.2.3 Reporting on Forest Health Conditions in the United States |
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58 | (1) |
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4.2.4 Assessing Future Risks to Forests of the United States |
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59 | (1) |
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4.3 Forest Monitoring in Canada: National Early Warning System and the AOSR Case Study |
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60 | (8) |
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4.3.1 Early Attempts and Recent Systems |
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60 | (1) |
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4.3.2 FHM in the AOSR of Alberta, Canada |
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61 | (7) |
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68 | (1) |
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69 | (8) |
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Section II Designing Forest Monitoring |
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5 A Quality Assurance Framework for Designing Forest Monitoring Programs |
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77 | (14) |
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77 | (2) |
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5.2 Data Requirements and Sources of Error |
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79 | (3) |
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5.3 Promoting a QA Framework |
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82 | (6) |
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5.4 Conclusion: A QA Perspective to Drive the Monitoring Design |
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88 | (1) |
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88 | (3) |
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6 Concepts and Design Principles Adopted in the International Cooperative Program on the Assessment and Monitoring of Air Pollution Effects on Forests (ICP Forests) |
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91 | (14) |
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91 | (1) |
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6.2 Defining Program Objectives and Implications |
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92 | (1) |
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6.3 Nature of Monitoring Networks |
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93 | (3) |
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6.4 Type, Number, and Characteristics of the Monitoring Plots and Sites |
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96 | (5) |
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96 | (2) |
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98 | (3) |
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6.4.3 Connection and Integration with Other Monitoring Networks |
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101 | (1) |
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101 | (1) |
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6.6 Quality Assurance and Data Management |
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102 | (1) |
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102 | (1) |
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102 | (1) |
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103 | (2) |
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7 Large-Scale Pan-European Forest Monitoring Network: A Statistical Perspective for Designing and Combining Country Estimates. Example for Defoliation |
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105 | (34) |
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106 | (1) |
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7.2 Sampling Designs in Large-Scale Forest Monitoring in Europe |
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107 | (3) |
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7.3 Relationship Between FCM and NFI Networks |
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110 | (3) |
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7.4 Design-Based European Monitoring System of Forest Condition |
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113 | (6) |
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7.4.1 The Importance of Clear Objectives |
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113 | (2) |
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7.4.2 Defining Parameters of Concern |
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115 | (2) |
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7.4.3 Defining Accuracy Measures for Status Assessment |
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117 | (1) |
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7.4.4 Defining Accuracy Measures for Change Assessment |
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118 | (1) |
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7.5 Sampling Strategies at the Country Level |
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119 | (6) |
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7.5.1 Uniform Random Sampling |
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119 | (3) |
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7.5.2 URS Versus Systematic and Stratified Sampling |
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122 | (3) |
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7.5.3 Sampling Effort: A Preliminary Test |
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125 | (1) |
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7.6 Aggregating Country Estimates at the European Level |
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125 | (6) |
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7.6.1 Combining FCM Estimates |
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127 | (1) |
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7.6.2 Coupling FCM and NFI Estimates Across Europe |
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128 | (3) |
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131 | (2) |
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133 | (6) |
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Section III Monitoring Methods for Above-Ground Vegetation |
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8 Assessment of Tree Condition |
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139 | (30) |
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140 | (1) |
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8.2 Forest Health Indicators in Relation to Ecosystem Dynamics and Processes |
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141 | (3) |
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8.2.1 Indicators Related to Ecosystem Processes |
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142 | (1) |
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8.2.2 Indicators Related to Ecosystem Disturbances |
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143 | (1) |
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8.2.3 Indicators Related to Ecosystem Internal Regulation of Tree Condition |
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144 | (1) |
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8.3 Procedures for Visual Assessment of Tree Condition |
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144 | (3) |
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8.3.1 Expertise, Training, and Intercalibration |
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144 | (1) |
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8.3.2 Frequency of Crown Condition Assessment |
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144 | (1) |
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145 | (1) |
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8.3.4 Position of Crown Condition Assessment |
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145 | (1) |
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145 | (2) |
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8.4 Assessment of Defoliation, Apical Shoot Architecture, and Fructification |
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147 | (3) |
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147 | (1) |
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8.4.2 Apical Shoot Architecture |
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148 | (1) |
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148 | (2) |
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8.5 Biotic and Abiotic Damages |
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150 | (8) |
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8.5.1 Symptom Description |
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151 | (6) |
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157 | (1) |
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8.5.3 Causal Agents/Factors |
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157 | (1) |
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8.5.4 Quantification of Symptoms and Signs |
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158 | (1) |
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8.6 Assessment of Removals and Mortality |
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158 | (1) |
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159 | (1) |
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8.8 Relative Crown Distance |
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159 | (1) |
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8.9 Examples of Results: European Survey and Specific Studies |
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160 | (5) |
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8.9.1 Defoliation Pattern and Trend at European Level and Insect Damage |
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160 | (3) |
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8.9.2 Examples of Specific Results |
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163 | (2) |
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165 | (4) |
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169 | (14) |
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169 | (1) |
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170 | (1) |
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9.3 Location of Measurements and Observations |
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170 | (1) |
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9.4 Variables to be Assessed |
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171 | (1) |
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171 | (6) |
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9.5.1 Manual Phenological Observations |
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171 | (3) |
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9.5.2 Observations Using Indirect Techniques |
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174 | (3) |
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177 | (1) |
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9.7 Examples of National Applications |
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177 | (2) |
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9.7.1 Trends in the Growing Season Length in Slovenia |
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177 | (1) |
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9.7.2 Needle Appearance in Finland |
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177 | (1) |
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9.7.3 Modeling Climate Change Effects on French Plots |
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178 | (1) |
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179 | (2) |
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181 | (1) |
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181 | (2) |
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10 Tree Growth Measurements in Long-Term Forest Monitoring in Europe |
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183 | (22) |
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184 | (1) |
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185 | (1) |
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185 | (12) |
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188 | (4) |
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10.3.2 Measurement Methods and Equipment |
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192 | (5) |
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10.4 QA and Quality Control |
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197 | (1) |
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197 | (1) |
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10.4.2 Plausibility Limits Data Quality Requirements |
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197 | (1) |
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197 | (1) |
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10.5 Calculation of Forest Growth |
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198 | (1) |
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10.5.1 Estimation of Tree Volume |
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198 | (1) |
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10.5.2 Computation of Stand-Level Variables |
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198 | (1) |
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10.6 Results of Forest Growth Evaluations |
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199 | (4) |
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10.6.1 Tree Volume and Increment |
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199 | (1) |
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10.6.2 Effect of Atmospheric Deposition and Temperature on Tree Growth |
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200 | (2) |
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10.6.3 Effect of Drought on Annual Growth |
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202 | (1) |
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203 | (1) |
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203 | (2) |
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11 Assessment of Visible Foliar Injury Induced by Ozone |
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205 | (18) |
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205 | (2) |
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207 | (1) |
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207 | (8) |
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11.3.1 Location of Measurements and Sampling |
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207 | (2) |
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209 | (1) |
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11.3.3 Time of Observations and Sampling |
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209 | (1) |
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11.3.4 Variables and Symptom Identification |
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209 | (5) |
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11.3.5 Evaluation and Scoring |
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214 | (1) |
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11.3.6 Symptom Documentation |
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215 | (1) |
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11.4 Quality Assurance and Quality Control |
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215 | (1) |
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216 | (1) |
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216 | (4) |
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220 | (1) |
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220 | (3) |
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12 Tree Foliage: Sampling and Chemical Analyses |
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223 | (14) |
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223 | (1) |
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224 | (4) |
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12.2.1 How to Select Sample Plots |
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224 | (1) |
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12.2.2 What Kind of Trees to Select |
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224 | (1) |
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12.2.3 What Kind of Foliage to Sample |
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225 | (2) |
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12.2.4 How to Collect and Store Samples |
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227 | (1) |
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12.2.5 Frequency of Sampling |
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227 | (1) |
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227 | (1) |
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12.2.7 How to Transport and Store Samples |
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228 | (1) |
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228 | (2) |
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12.3.1 Pretreatment of the Samples |
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228 | (1) |
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12.3.2 Digestion (or Ashing) and Analytical Method |
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229 | (1) |
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12.3.3 Quality Measures in the Lab |
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230 | (1) |
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12.4 Evaluation and Results |
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230 | (5) |
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230 | (1) |
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12.4.2 Results of Pan-European Tree Foliar Analyses |
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231 | (4) |
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235 | (2) |
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13 Diversity and Composition of Plant and Lichen Species |
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237 | (14) |
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238 | (1) |
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13.1.1 Assessment of Vegetation Diversity |
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238 | (1) |
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239 | (1) |
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13.2 Methods and Techniques |
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239 | (2) |
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239 | (2) |
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241 | (3) |
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13.3.1 Variables to be Measured |
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241 | (1) |
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13.3.2 Timing of Survey and Repetition |
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242 | (1) |
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13.3.3 Species Lists, Nomenclature, and Taxonomic References |
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243 | (1) |
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13.3.4 Vegetation Structure |
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243 | (1) |
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13.3.5 Abundance Scoring Systems |
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244 | (1) |
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244 | (1) |
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13.5 Data Handling, Analysis, and Interpretation |
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244 | (3) |
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13.5.1 Transformation of Abundance Scales |
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244 | (1) |
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13.5.2 Data Aggregation and Bioindication |
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245 | (2) |
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13.5.3 Species Composition and Cover |
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247 | (1) |
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247 | (2) |
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249 | (1) |
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249 | (2) |
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14 Litterfall --- Biomass, Chemistry, Leaf Area, and Links with Wider Ecosystem Functioning |
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251 | (16) |
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251 | (1) |
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252 | (1) |
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253 | (2) |
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14.3.1 Number of Replicates |
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253 | (1) |
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253 | (1) |
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14.3.3 Sampling Equipment |
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253 | (1) |
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14.3.4 Frequency of Sampling |
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254 | (1) |
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14.3.5 Sample Collection, Transport, and Storage---Quality Control in the Field |
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255 | (1) |
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14.4 Laboratory Procedures |
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255 | (4) |
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255 | (1) |
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14.4.2 Litter Sorting and Quantity Measurement |
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255 | (3) |
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14.4.3 Quality of Litterfall---Chemical Analysis |
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258 | (1) |
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14.4.4 SLA Measurements for LAI Estimation |
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258 | (1) |
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14.5 An Evaluation of Litterfall Links with Wider Ecosystem Functioning |
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259 | (4) |
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263 | (1) |
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263 | (4) |
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Section IV Monitoring Methods for Soil |
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15 Forest Soil: Characterization, Sampling, Physical, and Chemical Analyses |
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267 | (34) |
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268 | (3) |
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15.2 Field Sampling and Field Measurements |
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271 | (16) |
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271 | (2) |
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15.2.2 Pedological Characterization |
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273 | (4) |
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15.2.3 Composite Sampling at Fixed Depths |
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277 | (5) |
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15.2.4 Soil Bulk Density and Coarse Fragments |
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282 | (3) |
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15.2.5 Sampling for Soil Water Retention Characteristic Measurements |
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285 | (1) |
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15.2.6 Sampling Equipment |
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286 | (1) |
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15.2.7 Sample Packing and Transport |
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286 | (1) |
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15.3 Laboratory Measurements |
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287 | (6) |
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15.3.1 Sample Preparation |
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287 | (1) |
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15.3.2 Selection of Key Soil Analytical Variables |
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287 | (1) |
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15.3.3 Physical Soil Variables |
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288 | (1) |
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15.3.4 Chemical Soil Variables |
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289 | (4) |
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293 | (1) |
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15.3.6 Long-Term Storage of Soil Samples |
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293 | (1) |
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15.4 Data Compilation and Validation |
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293 | (1) |
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15.5 Submission of the Data to and Storage in the Central Database |
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294 | (1) |
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295 | (2) |
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297 | (1) |
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297 | (4) |
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16 Soil Solution: Sampling and Chemical Analyses |
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301 | (18) |
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301 | (2) |
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303 | (1) |
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16.3 Soil Solution Sampling Techniques |
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304 | (5) |
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16.3.1 Installation of the Soil Solution Samplers |
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305 | (1) |
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16.3.2 Location of the Samplers |
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306 | (1) |
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16.3.3 Number of Replicate Samples |
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307 | (1) |
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16.3.4 Sampling Frequency |
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308 | (1) |
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16.4 Storage, Preparation, and Chemical Analyses |
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309 | (1) |
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16.5 Examples of Published Leaching Fluxes and Critical Limit Exceedances |
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310 | (1) |
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311 | (2) |
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313 | (1) |
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313 | (6) |
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Section V Monitoring Methods for Atmosphere-Related Variables in Forests |
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319 | (18) |
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17.1 Importance of Meteorological Variables on Vitality and Development of Forests |
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320 | (1) |
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17.2 Components of Meteorological Monitoring |
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321 | (2) |
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17.3 Measurement Design and Techniques |
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323 | (5) |
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17.3.1 Location of the Meteorological and Hydrological Measurements |
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323 | (1) |
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17.3.2 Measurement Equipment |
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324 | (4) |
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17.4 Data Collection, Transmission, and Storage |
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328 | (1) |
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17.5 Quality Assurance and Quality Control |
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328 | (2) |
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328 | (1) |
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17.5.2 QC of the Database |
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329 | (1) |
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17.6 Application of Meteorological Monitoring in Water Budget Modeling |
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330 | (5) |
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17.6.1 A Long-Term Study for Two ICP Forests Plots in the Solling Mountain Range |
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333 | (2) |
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335 | (2) |
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18 Atmospheric Deposition to Forest Ecosystems |
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337 | (38) |
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338 | (1) |
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338 | (1) |
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18.3 The Deposition Process: Terms and Definitions |
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339 | (2) |
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18.4 Precipitation and Throughfall Sampling |
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341 | (17) |
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341 | (1) |
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342 | (4) |
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18.4.3 Contamination and Biochemical Transformation |
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346 | (3) |
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18.4.4 Siting Criteria, Spatial and Temporal Variabilities: Implications for Sample Size |
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349 | (6) |
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18.4.5 Cleaning and Sampling |
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355 | (2) |
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18.4.6 Sample Transport, Storage, and Analysis |
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357 | (1) |
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18.5 Interpretation of Atmospheric Deposition |
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358 | (6) |
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18.5.1 Data Validation Procedures |
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358 | (1) |
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18.5.2 Missing Values, Reporting Units, and Calculations |
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359 | (1) |
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18.5.3 Estimation of Total Deposition, DD, and CE |
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360 | (3) |
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18.5.4 Examples of Atmospheric Deposition to Forest Ecosystems |
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363 | (1) |
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18.6 Gaps in Knowledge and Future Work |
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364 | (3) |
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18.6.1 Future Evaluations of Deposition Measurement Methods |
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364 | (3) |
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18.6.2 Uncertainties of Methods for Estimating Atmospheric Deposition to Forests |
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367 | (1) |
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367 | (1) |
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368 | (1) |
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369 | (6) |
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19 Methods for Measuring Gaseous air Pollutants in Forests |
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375 | (12) |
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376 | (1) |
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19.2 Measuring Air Pollutants in Forests |
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376 | (4) |
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19.2.1 Types of Passive Samplers |
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376 | (1) |
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19.2.2 Location of the Sampling Site |
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377 | (1) |
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19.2.3 Use of Shelter and Number of Replicates |
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378 | (1) |
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379 | (1) |
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19.2.5 Frequency of Sampling |
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379 | (1) |
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19.2.6 Sample Collection, Transport, and Storage |
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379 | (1) |
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379 | (1) |
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19.2.8 Data Plausibility and Data Completeness |
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379 | (1) |
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19.2.9 Quality Assurance and Quality Control |
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380 | (1) |
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380 | (3) |
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19.3.1 Annual Variation and Trends of O3 Concentrations |
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380 | (1) |
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19.3.2 Spatial Patterns of O3 Concentrations, Hot Spots, Latitudinal and Altitudinal Gradients |
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380 | (2) |
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19.3.3 Estimating AOT40 and O3 Fluxes from Passive Samplers |
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382 | (1) |
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19.3.4 Concentrations of NO2, SO2, and NH3 in Spanish Plots and CLes |
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382 | (1) |
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383 | (1) |
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383 | (4) |
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Section VI Methods to Ensure Monitoring Quality |
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20 Quality Assurance in International Forest Monitoring in Europe |
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387 | (10) |
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387 | (1) |
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20.2 Components of the QA Program |
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388 | (5) |
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20.2.1 Standard Operating Procedures |
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389 | (2) |
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391 | (1) |
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20.2.3 Training and Intercomparison Activity |
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391 | (1) |
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392 | (1) |
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20.2.5 Data Validation Procedures |
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393 | (1) |
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20.3 Conclusion and Perspectives |
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393 | (2) |
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395 | (2) |
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21 Data Quality in Field Surveys: Methods and Results for Tree Condition, Phenology, Growth, Plant Diversity and Foliar Injury due to Ozone |
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397 | (18) |
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398 | (1) |
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21.2 Methods to Evaluate Data Quality in Field Surveys |
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398 | (5) |
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399 | (1) |
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21.2.2 Assessment of Data Quality |
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399 | (4) |
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21.3 Design and Organization of Comparison Exercises |
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403 | (5) |
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403 | (3) |
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406 | (2) |
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408 | (1) |
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408 | (4) |
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412 | (1) |
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412 | (3) |
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22 Data Quality in Laboratories: Methods and Results for Soil, Foliar, and Water Chemical Analyses |
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415 | (40) |
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416 | (1) |
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22.2 Components of a Laboratory QA Program |
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416 | (1) |
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417 | (1) |
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418 | (1) |
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418 | (6) |
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22.5.1 RM for Water (Deposition and Soil Solution) Analysis |
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419 | (1) |
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22.5.2 RM for Foliar Analysis |
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420 | (1) |
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22.5.3 RM for Soil Analysis |
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420 | (4) |
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22.6 Validation of Analytical Data |
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424 | (17) |
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22.6.1 Validation Procedures for Water Analysis |
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424 | (6) |
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22.6.2 Validation Procedures for Soil |
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430 | (6) |
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22.6.3 Validation Procedure for Foliar and Litterfall Samples |
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436 | (5) |
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441 | (5) |
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441 | (1) |
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442 | (1) |
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22.7.3 Qualification Reports |
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442 | (4) |
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446 | (3) |
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22.8.1 Percentage Ring Test Results Within Tolerable Limits |
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447 | (1) |
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22.8.2 Percentage Ring Test Results Within 10% Precision Level |
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448 | (1) |
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22.8.3 Mean Percentage of Variables with Control Charts |
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449 | (1) |
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449 | (1) |
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450 | (1) |
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450 | (5) |
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23 Methods for Database Quality Assessment |
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455 | (14) |
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455 | (1) |
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23.2 Data Providers, Database Managers, and Data Users |
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456 | (3) |
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23.2.1 Implementation of Standardized Methods for Field Data Provision |
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456 | (1) |
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23.2.2 Technical Specifications |
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457 | (1) |
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23.2.3 Components of a Web-Based DBMS |
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457 | (2) |
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23.3 Quality Control in Databases |
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459 | (4) |
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461 | (1) |
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461 | (1) |
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462 | (1) |
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23.4 Documentation of Data Quality |
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463 | (1) |
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23.5 The Pan-European Forest Monitoring Database: A Prominent Example |
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463 | (3) |
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23.5.1 Upload and Validation |
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464 | (1) |
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465 | (1) |
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465 | (1) |
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23.5.4 Administrator and Reporting Module |
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466 | (1) |
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23.6 Conclusions and Outlook |
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466 | (1) |
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466 | (1) |
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466 | (3) |
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24 Reporting Forest Monitoring |
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469 | (14) |
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469 | (1) |
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24.2 A Communications Strategy for Monitoring Programs |
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470 | (3) |
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473 | (4) |
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24.3.1 Provision of Data and Metadata |
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473 | (1) |
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24.3.2 Provision of Information: Use of Standards and Indicators |
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474 | (1) |
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24.3.3 Provision of Knowledge: Scientific Interpretation and Publication |
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475 | (1) |
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24.3.4 Reporting Under Different Umbrellas |
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476 | (1) |
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477 | (1) |
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24.4.1 Real-time Reporting from Earth Observation Monitoring Platforms |
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477 | (1) |
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24.4.2 Interactive Communication |
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478 | (1) |
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478 | (1) |
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478 | (1) |
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479 | (4) |
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Section VII Forest Monitoring: Synthesis and Outlook |
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25 Terrestrial Methods in Forest Monitoring: Toward the Next Generation? |
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483 | (14) |
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483 | (1) |
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484 | (4) |
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484 | (1) |
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25.2.2 Long-term, Large-scale Cooperation |
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485 | (1) |
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25.2.3 Progress and Harmonization of Methodology |
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485 | (1) |
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25.2.4 Documented Data Quality |
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486 | (1) |
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487 | (1) |
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25.3 Questions to be Solved |
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488 | (1) |
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488 | (1) |
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489 | (1) |
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489 | (4) |
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25.4.1 Policy, Science, and Societal Relevance |
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489 | (2) |
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491 | (2) |
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25.5 Conclusions: Toward a New Generation of Forest Monitoring Programs |
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493 | (1) |
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494 | (3) |
Index |
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497 | |