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Non-sealed areas help with water flow management while preventing floods and enhancing water quality. They are also an important area for biodiversity serving as a living space for small mammals, and as a feeding ground for insects and birds. Other vegetated urban areas include lower vegetation such as grass, heathland, and semi-natural vegetation.
Heathlands can contain taller vegetation than grass such as Heathers, Gorse, and Silver Birch. Grass usually grows in groups and it can be found naturally, but heathland and semi-natural vegetation are usually man-made or products of human activity predominantly grazing or logging.
Relevant facts
The figures that speak change!
Grass valleys can have a biodiversity index from 10 to 20 if sustainable mowing practices are employed.
Lawns can reduce air temperature by 0.5 degrees C and help mitigate urban heat islands.
