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Inhalt: Project details


10.2022 - 10.2025

Contact person

  • Dr. Mona Quambusch (G)
    (Project lead)
    Tel: +49 (0)3946 47-7718

  • Vera Hörmann (G)
    (Project coordination)
    Tel: +49 (0)3946 47-7748

JKI Project team

Institute for Plant Protection in Horticulture and Urban Green (G)

Institute for Strategies and
Technology Assessment (SF)

Associated partner

  • City of Brunswick, Department of Urban Greenery and Sports
  • City of Brandenburg an der Havel, Environment and nature conservation specialist group

Website Urban Greenery

The project "CliMax" is funded by the Federal Ministry of Food and Agriculture as part of the German Climate Protection Programme 2022.

Inhalt: Maximising the carbon sequestration in urban trees:

Inhalt: Developing knowledge and tools for climate change mitigation and adaptation with multifunctional urban green infrastructure (CliMax)


Green infrastructure is increasingly a component of climate change mitigation and adaptation concepts for urban areas. Urban trees provide important ecosystem services (including carbon sequestration) and are often located in extreme sites. In urban areas, water supply emerges as one of the key limiting factors for tree vitality. To maximize carbon sequestration, long-lasting tree vitality must be achieved.


As part of the CliMax project, urban trees in Braunschweig and Brandenburg an der Havel are being examined. For this purpose, laser scans and visual vitality analyses are carried out on selected test plots. These will be complemented by testing fluorometer-based stress analysis of urban trees. Hydrogeophysical reconnaissance of tree sites and measurement of stable water isotopes will be used to identify water sources. At the city scale, structural features will be derived from LiDAR data and used to calculate vegetation indices from optical satellite data. Finally, machine learning methods will be used to combine vegetation indices, weather data, and information from tree inventories to model tree vitality and risk categorization of sites. The goal is to estimate the contribution of urban green space to carbon sequestration and develop decision support tools for municipalities and cities to maximize carbon sequestration.