Projektet i-Tree Sverige har under tre år gjort beräkningar på ekosystemtjänster från stadsträd i nio svenska städer. Även större bostadsbolag i Göteborg och i Stockholm har ingått i projektet.
Rapport: Så bidrar svenska stadsträd med ekosystemtjänster
Forskning I ett treårigt projekt har trädens ekosystemtjänster i svenska städer kartlagts, och de bidrar rejält. Till exempel lagrar björkarna i Luleås stadskärna kol motsvarande ett årligt koldioxidutsläpp från ungefär 1 600 personbilar.

Gör nytta i staden. Foto: StockAdobe
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Ekosystemtjänster som imponerar
Arbetet som redovisas i en rapport visar att svenska städer sitter på ett stort ekosystemkapital. Till exempel lagrar björkarna i Luleås stadskärna kol motsvarande ett årligt koldioxidutsläpp från ungefär 1 600 personbilar. Och granarna i Umeå och skogsekarna i Hässleholm hanterar varje år runt 97 000–100 000 kubikmeter regnvatten i trädkronorna. Det motsvarar det vatten som ryms i cirka 33 000 brandbilar enligt SLU.
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IuNN7osKf5DTGbbYqThMDvF/hzYL1i2tyjr8IrHesGkdzooHmB3Z0UqHMQuNHMlddmC6Ldm+0NNxB5LWbb66X0ycj7Ru57bm/0eBPotE4zDy6NRW4fnajTsO9uxH4p7ZfMcCo8yJaUBQ7dxPI8sP1e0UAPt+yQ6vf+Ef3vEGIDthHCiU4ctR44Q2/iqoyRVuk5lIa7gxpBLn5NcKOIajzhmMlSg49HdiCaAcHo+1dIsH2fjT3XvPGKXvv32lIzvd3Bl9toi9wKtsI5FcD8fx1Kt4ikDJWHDcyQV+fpIhU4QPTDOzRwjZ+ijFQQyhi2xiaJfFGrbrvrrNdM3YCii5NmYa8VkstIC/i7x4EPRJllBeMIPGxYzVgL0lQZjDfGtsAbMEI0QvodZXjFR91lwBn8mkA0Nj8Co1n3K/l+3sX8hu5VDmrUAT4c18lSeVEbUg2Jpua+g7RwpA3+IaAUNyS9SpbFrv6rLalcBDlCOkD3R0rkt6REuDVnGKnoaQ2cy2QJbiTuyh4gqPtkli62U1zT1UqwENyzphlxUQ6EtgvKBoOs2uBfNm/InfXsk9XpOoUXL6RlCcGtw5SKffiu4BpmI7qOH0DHwmnEwNt88Ro0/FFGSH4iXWAOjspAb1wnia78DMxfLj7BMZpZ47g1yttwJ8I/ISt18UpP/0x/qhFn5+lD9m34l+8LfFKqZpswDrw4XP6YdfsXNMYktxUeprc01+0OnpbNmVDZ3Q3YD8LSciuKrBgJoYqr2+gD2XfqFZOftMyfI+maeNsUKpG3IfKXKtZ5llujqzfex9lJM/UTqmH2U4W2uZDLSRFpO419TdhHQU8Dsi/hjs/X8rBv1PkgnWB98An+9JyXfuOKCbwzQVvBsYDkiMro3JJ+uCh+SXtYlHR/85axJVaojw0pbwLE93WjyzL/xwbMo3O+Ha2xMUaJFOGt/htBHCUAxFGZs9cReR4OQRQmyYsobMKvMm65kQ1qHwBuJiIPz0YpxdNyxtc9HcAmu4DwIBTE/67WOHeU6mF0bxvFoURhmji/mnn0wqoiY9TKPGUVJi5iGys7B0e5VuoHq0dGAXwhXQAs17T55zRE8cuWPyqud5Uj/tlPYWKxdUpZW+7UbHTEE0g9xsDVXS7iL8s8cTgdtpsZXUIScx5pFh9H8V/62qIGKwdDhwx2zqq3XfOTNUYvwqEpmRK+kSGztRfm4EcqdEK4F1RkTFi45dG89byRnIoecbfJxTvcxLXLmqsXzvyskaYB35TuAP0KAJvZ05bXesfzs9O2Ciy9n/rLmMf8N74E2jHHcBTpvAqny4JCc/38I6tl0qZtZMw+G+Z09oNN8SGewDTouxW69eV6AuwuCb2IWhMYciLn0HgqGdIzBq7SXW704DC98C0GKdJFLblMfP5plcsiCGbe3Rf0QEOlFHUNjNRbJ4Z79050b5bJI94RpFsC3ue6OAeCQl1mwOcBLEqAbmEqrDYxYr7aan4+C6qgf/rsmIn17UrSD7ZKEZ+u7lPxgjNPwhUG8v44MwEjeriazGjWNWzAA4ovuZt+/DtaSN1Dnd+robK4JdosrMCx3O/ZNKgA8hMdWlw1RK3fou2fPEX0w2qwmXIgQQE09QBaIxlPy+Yoiqmrxv0WMCIzQ+Zf/XR5T5oM7uR12IbsRtap/CV3WEmlbfOiUsgM3DeWm9lhb2NInSfp9l07YZCl6pH6PnwH8N+goUZdO6ekfZry6EeDrgQSbxYXdILKxBFmTEovWJIgLiUZjHfOwiOKwB2y+C6HWGt5LDi6/EsL3ni9mCEWfgUb93po1P2b1QqR2DOkH0ifqoXEixrZ0ucTt0rWxWDjqE6/pa0C2tklXGeMLEPETM9QbSZjxGFBjwveCfJdUHsh2uKiKql8Q+X7dmV+veSP1Sxynf3toJE/OyX3kPR5KJ0e8d/aTzDW09Z74bXt0p9urvkIyg5PBewpYqrlCLAX0+PwB2QrKh0Ub8fEN3LfXwdSq3NYyGATeBM0DF59aC2ckv5n+3GvzxWc9pbki0eZyFiY9wSWF8HXTFLZZXNEhsFy/55G9PzvFSSxWXyb3FwoMVBpafQoNfow6r/9gyMiS5O9CVA/q5+oenA4vcwz0eVq1DPQtR3D3yHY3o8ihy84ExH0P7PZmi0arNMILFEfpECD0JcsAhUHrlNZ1Aw1yg+RyN8ZX2ODVO21DrfT+ixiiE50+l9GXmFHaAidqUGlX4BtlgqP4dAX7wonOFTPLO7Y3oyRRLGSd2daWpd7JZE7/hduyMdn+jSsVxQhzMG+y3195XrXsVmzp4woX92+1ZM1ZzIagEtV7WLDbAlkImHCykr78TU2QTGHVB8j8Ct20YEjr96BsidxWSH4C4ghF/KhD7+nVeeio+JV/PBypX+9p3aW0EE/ewLu8uNxDN0qIDnAkqPBXFpkmBXFF8wTmMrKOlcTvcJbUmTZfwklygmbN7x2/PVElCKDrz1pmluZ8tj5Y88P49bgVlTaoRf1/NNeEsdisQxRdPBoDv+Ujq3aNwW2SHC6fVHBDFdE7jsxPVYsNNjdZ2hoiLIaVb9vegTrpUNxA7r8Y808bJNgE0wEd0E5SK0OrfuEiTLZ2y4S0uctLMjPDbM2tHclbe4aXqLwO1+2DpAfzEfuGAZytbWuzSWkH9nbJQooZvMfawhr+CNE9nzMMvWuA2GVk1EH4mjiAdO0IKQoP0vx4FbpI2Ei7FMVlv/b/A4yK2gPvQhceEg+1C0uYNaU+HSDPKQWRryRT7WAhkU2EvrxELUFnY9V4qWCba71vk3h+k1ntIUKlsY3EDgmzMYIqYrJN6DRiBidDo+C6Ss5IW2ztOOrjo1gfyK5EctPtQHEFHkEIs486l79bnXcRfJsq9VMT4lsovafsNsSZ6wY9P8IGayBdWXw/nEkzpr59rh+9lcUHexCzVnpaf/rmgOQFZ+DnJCdeY1suESsQyXBeMft34V6gAIfrt0BnN5QthM+mvMPg9gZGfO6xCwjYI3dDFzo/rafubWJxdg5dOIPa8wvs2z8zL+kBp+0pJY4jTHD9LsmR0XY7FnDaJRGXvJoQc22pQUPrmO3Eh4PqAimohafZuQEL/L8/z3BkBYYyqIsmX8wTF39ObeF+lFIUn93dEcpuZg02aVIS4KjLw7B0Aav7FAln8lHypz3Ciy5J0OchtTw0UL/xKkC7F7llNPsmCyFnOfTk/tw8hF11FnzftvqdzbSlnNfaDlBTLefrS69SvMqbFLYl+VK4rVLHNO9lnB5negxoVmmKn01sY9BeIOQBuzmggkJAQRrsl1SLmjEEo5sAoffr6hg8iDxKngaZaFyQyMiIaUWIcHt+hApC+XUljqkW3HEphuOjW9sUzP26q5XMCm6WqoW8nanFmJNh5h/MhcUiP8syKwWSNMpx/B0qlq6iDbbyYjuOkylBe9gsTixobgfh1X92cY5ZpeGcvi0hZPkXZBMivHk1/HyBtHNrpntfYnZSPyf2h+iLUgv2DXZz45XYGPtwbTF7u3GsNB2P6eP9N5diOwg5g9SFSQxKTifYKak5NsMGlbV6ZghWXpe4aKMH2e3o4yRrS7yxaBjXdfHo6X2YCcJh4mppN0AtzFl8nIsT2xF1jcJQ5ZhubYRdzYgTwi/qOCgCDkwzJlxq/Rjdu6I72HNPBTrlKTKW2Yy5N1X7jFvZjT8MPlPZcURzlnT09ytPpv5w3nemUISzxq9c0/1/T8JVk5xZydPEyeuCg1YsI4Xp0tgFuQuLxlKsLWjKWB1c1UnyU317w8/gzRhtCwdOn9gi0BNKVyyk2b7wy1MaYrhpDQ1gKmNGT23L+nl74rVhkj0cfwjW56LNv4QSJ6uO8IW1oqp099KKRk7YvCF21KsvxS0gH7N+O74jN4Fb3v0JS6QhigcebYsDNYima47xY+WcYVTWXgMk4cmuuq5K23jSDt15UYmQYuNjJCfloWRM6pG7Z5yKPe3m8p9I2UTgRceEvPDhNsKYM6W2+BpUzQjGHouQk3X72EI+btSgvLl/1reTtabQa3bjAHeJFhWkX9x2s9H7raXSkJYRS3a7Wpan0UZb8sBr8NIbHo4tj6+XUU8FwTJ2sVanYr4ucBVXJO7gep7Bl83ZjvjyLHOE5fWtSoMF6EmhcHjRUgmusuI0tH4OVQtRzSKRZX0TKXLf5US2eNuRfZFpCdPHvDCCabGkCJNaY2MojWWfsOImr1nRO9uMma50iy5INOx5tZpppZOpxeLjnWu5ae3Nao7fT3Y05YG+Rn/i0vzHFPblImaMszUZi71hxYjBKW5qiAHJv15uyIwSZVloz3o7xE57i4Hho+mtyq/asWcdnt21cMs5Oit6l/SNAvrtz1dV7d3HJgBe1DyBAmiWhEx8wGLAh+7eDpui2oIu2juGhqKfbIcSIePVn5gNUwUQVwl6mjZ0FZ4x9xV/4ZZrut2bwY+3G9b/9zwcpK3Hi/W1TfzPM6wB+jhYIxtpP2TmlilpUGs4WA/N9schWWx3z0vmKtez4gpKI8hV1zODikdynxLrQ18XPaA5pTcOjsvofw+KedTq+bnqJsUpzSVIbUSrHONzLEZ3ZHmNcX8OJOavyjpDXxuiQm/8cyR1B8ZitwSNjddYxYX9dkA==