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Ministerium für Energiewende, Landwirtschaft, Umwelt, Natur und Digitalisierung des Landes Schleswig-Holstein
Schleswig-Holstein
Mercatorstraße 3
24106 Kiel
Website: External link to the authority
Climate change and tree mix for the future City Green 2025
Many of today's main tree species are struggling due to climate change with more and more problems. Where trees before thoroughly could reach an age of 80 years and older in cities, it will become more difficult to preserve trees for several decades. To identify climate change-tolerant, sustainable trees for Northern Germany, tree species and varieties are to be found which prevail in climate regions which match the climate forecast for our region. For this purpose, there have already been targeted sightings at four sites in Germany for some years, but so far only in horticultural sites under optimal crop conditions. Within the project, new tree species that have been found to be promising in the trial facilities, will be tested for practicality in real urban locations. The project will provide representative results for the whole of northern Germany and, in cooperation with a Bavarian project Stadtgrün 2021, provide reliable results for the whole of Germany and neighbouring countries.
The following results were achieved as part of the project: The cities of Kiel, Lübeck, Heide and Husum provided tree sites and planted/maintained the entire range as planned (Heide and Husum 50% each). Under practical conditions, the entire assortment was established at urban sites with an establishment rate of 95%. In all cities, the majority of the trees developed well to very well from 2016 to 2019 under very different site conditions. The trees predominantly showed a significant increase in the growth characteristics of trunk circumference, crown height and crown width - 2018 was one of the warmest and driest summers in (northern) Germany during the study period. In February 2018, the trees were exposed to a severe frost phase
Rural development 2014-2020
Service-GRÜN Fördergesellschaft für Baumschulen und Gartenbau in Norddeutschland mbH
Thiensen 16
25373 Ellerhoop
Phone: 04120-7068400
Email: schoppa@bdb-sh.de
2015
completed
141,700