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Inspiration Card
Nature Based Solution
Urban Network Structures

N1 Single tree lines

Copyright
Single tree line
QR Code for https://unalab.eu/en/node/162
Challenges
Climate Resilience Water Management Natural and Climate Hazards Biodiversity Enhancement Air Quality Health and Well-being Social Justice and Social Cohesion
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Description

Single line trees are arranged along one side of streets, bicycle paths and sidewalks. Urban trees can positively affect local micro-climate conditions, absorb gaseous pollutants, intercept particulate matter and provide shade for people and buildings. The potential effects of street trees depend on factors such as tree size and health, canopy cover, leaf area index, planting density, species, location, and water availability. Tree lines are often combined with low landscaping measures like raingardens that can enhance the benefits associated with single line trees, for example, by improving the biodiversity and water management potential.

Conditions for Implementation
  • Appropriate species selection
  • Sufficient above and below ground space
  • Soil material and depth
  • Consideration of built environment characteristics
Similar Terminology
Street Trees
Performance
    Cooling Service Transpiration ● ○ ○
    Shading ● ○ ○
    Evaporation ○ ○ ○
    Building (Insulation) ○ ○ ○
    Reflection (Albedo) ● ○ ○
    Surface Water Regulation Water Conveyance ○ ○ ○
    Water Infiltration ● ○ ○
    Water Retention ● ○ ○
    Water Storage ○ ○ ○
    Water Reuse ○ ○ ○
    Water Purification Water Filtering ○ ○ ○
    Water Bio-remediation ○ ○ ○
    Air Purification and Noise Reduction Deposition ● ○ ○
    Air Biofiltration ● ○ ○
    Noise Reduction ○ ○ ○
    Biodiversity Habitat Provision ● ○ ○
    Connectivity ● ○ ○
    Socio-Cultural Services Beauty / Appearance ● ● ○
    Usability / Functionality ● ○ ○
    Social Interaction ● ○ ○
    Education ○ ○ ○
    Provisioning Service Food / Energy / Material ○ ○ ○
    Climate Regulation CO2 Sequestration ○ ○ ○