List of contributors |
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xiii | |
1 Intro: Urban trees - Importance, benefits, problems |
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1 | (14) |
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1 | (1) |
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1.2 Aesthetics, sensory impressions |
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1 | (2) |
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1.3 Psychology, well-being, health |
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3 | (6) |
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1.4 Environmental education, ecology |
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9 | (1) |
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1.5 Orientation, spacious ordering, architecture |
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9 | (1) |
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1.6 Protection, quality of life |
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9 | (2) |
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1.7 Food/diet, healing powers |
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11 | (1) |
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11 | (1) |
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1.9 Economic and social advantages |
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11 | (1) |
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12 | (1) |
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13 | (1) |
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13 | (2) |
2 Urban trees: Features and requirements |
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15 | (5) |
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2.1 Urban tree site categories |
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15 | (1) |
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2.2 Special conditions for urban trees |
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15 | (1) |
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2.3 Requirements and selection criteria |
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15 | (4) |
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19 | (1) |
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19 | (1) |
3 Fundamentals of tree biology for urban trees |
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20 | (16) |
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3.1 Morphological and anatomical features |
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20 | (8) |
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20 | (2) |
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22 | (2) |
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24 | (1) |
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25 | (2) |
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27 | (1) |
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3.2 Tree growth and growth reactions |
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28 | (5) |
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3.2.1 Photosynthesis - the fundamental growth process |
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28 | (1) |
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29 | (1) |
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30 | (1) |
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31 | (2) |
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33 | (1) |
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34 | (2) |
4 Urban tree roots: Problems and peculiarities |
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36 | (11) |
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4.1 Damages to and influences on the root system of urban trees |
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36 | (5) |
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36 | (1) |
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37 | (2) |
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39 | (2) |
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4.2 Damage caused by the root system of urban trees |
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41 | (2) |
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4.3 Precautions/preventing damage |
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43 | (1) |
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44 | (1) |
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45 | (2) |
5 Drought stress: Adaptation strategies |
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47 | (11) |
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5.1 What is stress? - Stress concepts |
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47 | (1) |
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47 | (6) |
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5.2.1 Adaptation to drought stress - stress escape |
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48 | (1) |
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5.2.2 Adaptation to drought stress - stress resistance by avoidance |
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49 | (2) |
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5.2.3 Adaptation to drought stress - stress resistance by tolerance |
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51 | (2) |
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5.3 Identifying tree species adapted to stress |
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53 | (3) |
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5.3.1 Responses and adaptations to drought stress |
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53 | (1) |
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5.3.2 Identifying suitable tree species |
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53 | (3) |
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56 | (1) |
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56 | (2) |
6 Aspects of urban tree pathology |
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58 | (24) |
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6.1 Definitions, terms and concepts |
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58 | (1) |
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6.2 Abiotic damage and disorders |
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59 | (2) |
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61 | (1) |
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6.4 Diseases caused by bacteria and other prokaryotes |
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61 | (3) |
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6.5 Diseases caused by oomycetes |
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64 | (1) |
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65 | (7) |
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6.6.1 Systemic fungal infections |
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65 | (2) |
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6.6.2 Leaf and needle diseases |
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67 | (1) |
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6.6.3 Shoot and stem diseases and cankers |
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68 | (2) |
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70 | (1) |
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70 | (1) |
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71 | (1) |
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72 | (1) |
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6.8 Plant-parasitic nematodes and insect pests |
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73 | (3) |
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6.9 Damage by herbivorous mammals |
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76 | (1) |
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6.10 Impact of introduced pests and diseases |
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76 | (1) |
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6.11 Aspects of control methods for pests and diseases of urban trees |
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76 | (1) |
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77 | (1) |
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77 | (5) |
7 Vitality assessment, tree architecture |
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82 | (13) |
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82 | (1) |
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7.2 Decline and stress symptoms of tree crowns: "leaf loss" vs. crown structure |
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82 | (1) |
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7.3 Tree architecture and reiterations |
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83 | (4) |
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7.3.1 Architectural models |
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83 | (2) |
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85 | (2) |
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7.4 Changes in the crown structure with decreasing vitality |
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87 | (7) |
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7.4.1 Shoot morphology: shoot base scars, short- and long-shoots |
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87 | (1) |
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7.4.2 Model of growth stages |
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88 | (2) |
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90 | (2) |
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7.4.4 Vitality and tree life expectancy |
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92 | (2) |
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94 | (1) |
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94 | (1) |
8 Body language of trees, tree diagnostics |
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95 | (16) |
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95 | (1) |
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8.2 Adaptation and optimization in trees |
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95 | (1) |
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8.3 Examples and explanation: branches, trunk/bark, roots |
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96 | (13) |
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8.3.1 Branch-shedding collar |
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96 | (1) |
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97 | (1) |
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98 | (1) |
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98 | (1) |
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8.3.5 Nose-like ribs on forked trees |
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99 | (1) |
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99 | (1) |
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100 | (1) |
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8.3.8 Longitudinal splitting |
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100 | (1) |
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100 | (2) |
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8.3.10 Bark stripes on ribs |
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102 | (1) |
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103 | (1) |
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103 | (1) |
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104 | (1) |
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8.3.14 Crown/root relationship |
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104 | (1) |
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105 | (1) |
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8.3.16 Tension roots on slopes |
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105 | (1) |
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8.3.17 Covered root collars |
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106 | (1) |
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8.3.18 Root collar strangling |
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107 | (1) |
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8.3.19 Sealing of the root area |
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107 | (1) |
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108 | (1) |
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8.3.21 Adventitious roots |
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108 | (1) |
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109 | (1) |
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110 | (1) |
9 Tree inventory, risk assessment and management |
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111 | (24) |
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111 | (1) |
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112 | (1) |
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9.2.1 Inventory parameters |
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112 | (1) |
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112 | (1) |
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113 | (19) |
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113 | (2) |
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115 | (7) |
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9.3.3 Advanced assessment |
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122 | (8) |
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9.3.4 Risk categorization and reporting |
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130 | (2) |
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132 | (1) |
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132 | (3) |
10 Tree preservation, maintenance and repair |
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135 | (19) |
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135 | (1) |
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10.2 Preserving existing trees during development |
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135 | (4) |
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10.2.1 Tree constraints plan |
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136 | (1) |
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136 | (2) |
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10.2.3 Root protection area |
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138 | (1) |
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10.2.4 Tree Protection Plan |
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138 | (1) |
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10.2.5 Arboricultural method statement |
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138 | (1) |
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10.2.6 Pre-development treatments |
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139 | (1) |
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10.3 Maintenance of planted and established trees |
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139 | (13) |
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139 | (4) |
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10.3.2 Protection against collisions |
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143 | (1) |
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144 | (1) |
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144 | (1) |
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144 | (2) |
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146 | (2) |
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148 | (1) |
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148 | (2) |
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150 | (1) |
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10.3.10 Pruning to mitigate risk |
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150 | (1) |
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10.3.11 Ancient and veteran trees |
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151 | (1) |
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10.3.12 Precautionary measures |
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151 | (1) |
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152 | (1) |
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153 | (1) |
11 Tree pruning: Methods and parameters |
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154 | (15) |
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154 | (1) |
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11.2 Consequences of pruning |
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154 | (3) |
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11.3 Important parameters |
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157 | (3) |
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160 | (2) |
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162 | (2) |
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11.5 Intensity of pruning |
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164 | (1) |
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165 | (3) |
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11.6.1 Reduction of assimilates and reserves |
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166 | (1) |
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11.6.2 Species and nature conservation |
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167 | (1) |
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11.6.3 Hazard of fungal infestation |
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167 | (1) |
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167 | (1) |
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167 | (1) |
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167 | (1) |
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168 | (1) |
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168 | (1) |
12 Transplanting large trees |
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169 | (8) |
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169 | (1) |
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12.2 Definitions, tasks, decisions |
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169 | (3) |
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172 | (1) |
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12.4 Transplantation practices |
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173 | (2) |
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175 | (1) |
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175 | (1) |
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175 | (2) |
13 Dust and noise reduction |
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177 | (8) |
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177 | (3) |
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13.1.1 Dust definition and origins |
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177 | (1) |
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13.1.2 Interaction between dust particles and vegetation |
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177 | (3) |
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180 | (1) |
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180 | (3) |
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180 | (1) |
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13.2.2 Noise attenuation by vegetation |
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180 | (2) |
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182 | (1) |
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183 | (1) |
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183 | (2) |
14 Invasive species, indigenous vs. alien dendroflora |
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185 | (11) |
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185 | (1) |
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14.2 Floristic statuses - important definitions for urban dendroflora |
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185 | (3) |
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14.2.1 "Indigenous" vs. "alien" |
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186 | (1) |
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14.2.2 "Casual" and "naturalized" vs. "invasive" |
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187 | (1) |
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14.3 Invasibility of habitats and invasiveness of dendroflora in urban landscapes |
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188 | (1) |
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14.4 Arguments pro or contra "alien" woody species and risk assessment |
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189 | (1) |
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14.5 The example of the tree of heaven (Ailanthus altissima) |
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190 | (1) |
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14.6 Prevention and control measures against invasive woody species or tree weeds |
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191 | (2) |
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193 | (1) |
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193 | (3) |
15 Criteria for species selection: Development of a database for urban trees |
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196 | (15) |
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196 | (2) |
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15.2 Species description, growth conditions, and risks related to species use |
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198 | (1) |
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15.2.1 Data pool and nomenclature |
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198 | (1) |
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15.2.2 Literature review and evaluation |
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198 | (1) |
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15.2.3 Structure of the database |
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199 | (1) |
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15.3 Urban Tree Location Categorization |
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199 | (6) |
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15.3.1 Urban tree location types |
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202 | (2) |
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15.3.2 Specific demographic groups |
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204 | (1) |
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15.4 Psychological aspects of the database |
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205 | (2) |
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15.4.1 User-based urban green space categorization |
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205 | (1) |
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15.4.2 Tree perception and tree preferences |
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206 | (1) |
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15.5 Application possibilities and limitation of use |
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207 | (1) |
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208 | (1) |
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209 | (2) |
16 Genetic aspects |
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211 | (10) |
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16.1 The problem of trees from a genetic point of view |
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211 | (3) |
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16.2 Diversity, monoculture, variety and clones - some general comments |
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214 | (1) |
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16.3 The risk of missing diversity |
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215 | (2) |
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16.4 Genetic diversity as an element of design and planning in urban spaces |
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217 | (2) |
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219 | (1) |
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219 | (2) |
17 Governance in urban forestry |
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221 | (15) |
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17.1 Introduction: challenges and need for action |
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221 | (1) |
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17.2 Objectives and definitions |
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221 | (1) |
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221 | (1) |
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222 | (1) |
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17.3 Diagnosis and conceptual framework |
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222 | (5) |
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17.3.1 Socio-ecological co-evolution model for urban forestry |
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222 | (1) |
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17.3.2 Historical development of urban forestry governance |
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223 | (1) |
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17.3.3 Increasing complexity and paradigm change |
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224 | (1) |
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17.3.4 Stakeholder analysis and differentiation in participant groups |
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225 | (1) |
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17.3.5 Assessment by the livelihood framework |
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226 | (1) |
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17.4 Governance models for urban forestry |
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227 | (3) |
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17.4.1 Introduction to urban forestry governance models |
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227 | (1) |
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17.4.2 Public administration: changing functions and diversification |
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227 | (1) |
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17.4.3 Public-private partnerships |
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228 | (1) |
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17.4.4 Governance based on private urban forestry |
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228 | (1) |
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228 | (1) |
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228 | (2) |
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17.4.7 Neighborhood groups and collective gardening |
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230 | (1) |
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17.5 Lessons learned for the future development of urban forestry |
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230 | (2) |
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230 | (1) |
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17.5.2 Chances and limits of collective action in urban forestry |
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231 | (1) |
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17.5.3 Exclusion and conflict management |
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231 | (1) |
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17.5.4 Adaptive management |
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231 | (1) |
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17.5.5 Forthcoming steps in practice and research |
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232 | (1) |
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232 | (2) |
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234 | (2) |
18 Allotment gardens and privately managed green space in urban environment |
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236 | (11) |
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236 | (1) |
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236 | (1) |
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18.2.1 Green space as urban soft infrastructure |
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236 | (1) |
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18.2.2 Urban gardening vs. urban horticulture, agriculture and agroforestry |
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237 | (1) |
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237 | (4) |
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18.3.1 Generic types of urban gardens |
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237 | (1) |
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18.3.2 Urban gardens in history |
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238 | (1) |
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18.3.3 Urban gardens for the disadvantaged in the 20th Century |
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239 | (2) |
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18.4 Function and benefits/services of trees and gardens in urban contexts |
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241 | (1) |
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18.5 Recent forms of urban gardening in the global North and global South |
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242 | (3) |
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18.5.1 Factors facilitating the emergence |
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242 | (1) |
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18.5.2 Newer urban garden forms (selection) |
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243 | (2) |
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245 | (1) |
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245 | (2) |
19 Urban woods for relaxation and inspiration |
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247 | (15) |
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247 | (1) |
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247 | (1) |
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19.3 Forest ecosystem functions and services |
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248 | (3) |
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19.4 Changing demands on urban and peri-urban forests - the case of Dresden |
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251 | (3) |
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19.4.1 Change in forest functions |
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251 | (1) |
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19.4.2 Functional transformation of the Dresdner Heide forest, with focus on recreation |
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251 | (3) |
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19.5 Urban forestry and silviculture |
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254 | (2) |
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19.5.1 Urban forests as recreational resource |
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254 | (1) |
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19.5.2 Silvicultural operations for recreational resources |
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254 | (2) |
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19.6 Silvicultural specifics of urban and peri-urban forest management |
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256 | (3) |
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259 | (1) |
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259 | (3) |
20 Acceptance for urban trees: Environmental education programs |
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262 | (9) |
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262 | (1) |
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20.2 Education for sustainable development |
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262 | (2) |
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20.3 Features of successful education programs |
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264 | (4) |
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20.3.1 Specific to target groups |
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264 | (2) |
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266 | (1) |
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266 | (1) |
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267 | (1) |
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267 | (1) |
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268 | (1) |
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20.4 The search for professional partners |
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268 | (1) |
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269 | (1) |
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270 | (1) |
Index |
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271 | |