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Building local identities through tree diversification

3/6/2018

 
Greater Lyon, France
Picture
In the mid-1990s, plane trees represented over 52% of the tree population managed
 by the Greater Lyon Authority (GLA). In 2018, this had been brought down to 21.7%, while the overall number of species found in hard landscapes in the Lyon area had increased by 80%, with over 280 different species and 94 genres represented. This stark increase is a result of a strategic commitment to diversification. The goal set in the GLA Tree Charter is that, for trees in highways and other public hard landscapes, no single tree species should represent more than 10% of the whole. To deliver this, the GLA monitors the composition of its tree population at a strategic level. For each neighbourhood, it takes cues from the existing character of
the landscape to agree a local plant palette: this combination of species is used to help build upon and reinforce local identity, ensuring that the strategic 10% diversity goal does not result in a loss of local coherence and character.

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Wise microclimate tree selection for Cheapside

2/16/2018

 
​City of London, England
Picture
In the centre of the City of London, between St Paul’s and Bank, the Cheapside area is undergoing a dramatic transformation. Since 2010, a series of major new developments have more than doubled the amount of retail floor space. The equivalent of a significant shopping mall is being created 
in a high street location, primarily along Cheapside itself. In response, the City of London Corporation launched a streetscape improvement programme aimed at rebalancing the relationship between pedestrians and vehicles, creating a safer and more inclusive environment while maintaining the current traffic capacity. Traffic lanes have been narrowed to four metres and footways widened by an average of three metres.

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    About this Library

    This case study library was made possible thanks to the generous support of the Arboriculture Association and Barcham Trees.

    Categories

    All
    Analysis: Canopy Cover
    Analysis: I-Tree Eco
    Context: Arterial Street
    Context: Citywide
    Context: High Street
    Context: Newbuild
    Context: Retrofit
    Delivery: Community Engagement
    Design: Species Diversification
    Design: Species Selection
    Design: Tree Protection
    Objective: Active Travel
    Objective: Cooling
    Objective: Economic Growth
    Objective: Public Transit
    Objective: Traffic Calming
    Policy: Canopy Cover Targets
    Policy: Tree Strategy
    Technical: Continuous Trench
    Technical: Raft System
    Technical: Structural Soil
    Technical: SuDS

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