Projektet i-Tree Sverige har under tre år gjort beräkningar på stadsträd i nio svenska städer. Även större bostadsbolag i Göteborg och i Stockholm har ingått i projektet.
Rapport: Svenska städer har ett stort ekosystemkapital
EKOSYSTEMTJÄNSTER I ett treårigt projekt har trädens ekosystemtjänster i svenska städer kartlagts. Förhoppningen är att rapporten ska kunna hjälpa till i dialoger som rör plan- och byggprocessen, och med beslutsfattande politiker.

Foto: Adobe Stock
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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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