In addition to environmental stress urban trees are particularly affected by climate change Around 75 of the urban tree species typically planted at present have a poor expectation of reaching their target age of 50 100 years Almost nothing is known about climate change tolerance in many tree species that are considered to be sustainable Even today local authorities need to plant tree species that are adapted to climate change and request these species from tree nurseries and consulting agencies New tree species and varieties were tested for their suitability as climate and stress resistant urban trees they were studied during the growing in phase The following are tree species that have already been shown to be robust during testing Trident maple Acer buergerianum Montpellier maple Acer monspessulanum Spaeth s alder Alnus x spaethi Hornbeam Carpinus betulus Lucas European nettle tree Celtis australis Manna ash Fraxinus ornus Obelisk Red ash Fraxinus pennsylvanica Summit Ginkgo Ginkgo biloba Fastigiata Honey locust Gleditsia triacanthos Skyline American sweetgum Liquidambar styraciflua Kobushi magnolia Magnolia kobus Hop hornbeam Ostrya carpinifolia Persian ironwood Parrotia persica Old world sycamore Platanus orientalis Turkey oak Quercus cerris Hungarian oak Quercus frainetto standard tree 3xv height of 2 m 18 20 cm trunk circumference wire baling Japanese pagoda tree Sophora japonica Regent Silver lime Tilia tomentosa Brabant Resista elm Ulmus Rebona Japanese zelkova Zelkova serrata Green Vase RESULTS With a few exceptions 95 of the trees included in the study developed well Some trees showed frost damage while in others the main stems broke off FINAL REPORT www eip agrar sh de eip innovationsprojekte CONTACT PERSON Dr Andreas Wrede phone 49 4120 7068 151 awrede lksh de STRESS RESISTANT STREET TREES Climate change trees Stadtbäume leiden zunehmend unter dem Stress der Klimaveränderung In der Praxis wurden robuste Baumarten getestet KLIMAWANDEL UND BAUMSORTIMENTE DER ZU KUNFT STADTGRÜN 2025 CLIMATE CHANGE AND TREE ASSORTMENTS OF THE FUTURE URBAN GREEN 2025 Projektlaufzeit Project duration 1 1 2016 31 12 2019 TEILNEHMER PARTICIPANTS Baumschulen Tree nurseries Baumschule Clasen Co Rellingen Dirk Clasen Baumschule Horst Bradfisch GmbH Bettina Stodt Gerhard Münster Baumschule Appen Etz Dirk Münster Baumschule E Sander GmbH Tornesch Jens Sander Sievers Baumschulen GmbH Horst Axel Huckfeldt Baumland Ellerhoop Frank Dröge Gebr Kühnen oHG Wedel Andreas Kühnen Baum schule Hansjochen Ringel Holm Oliver Ringel Adolf Steffen Baumschulen Rellingen Frans van Dyk Steffen Baumschule Lorenz von Ehren Hamburg Bernhard von Ehren Forschungs und Versuchseinrichtungen Research and test facilities Landwirtschaftskammer SH Fachbereich Versuchs wesen der Abteilung Gartenbau Ellerhoop Dr Andreas Wrede Vermehrungstechnologie Baum schulwesen der Humboldt Universität zu Berlin Pl an t pr od uc ti on H or ti cu lt ur e 36

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