Urban forest refers to a variety of biological and abiotic complexes with trees as the main body in the city and its surrounding areas, reaching a certain scale (area should be > 0.5hm2, HM means 100m) and coverage (forest canopy coverage should be 10% - 300%), which can have an important impact on the surrounding environment and have obvious ecological value and cultural landscape value.
According to the above definition, which of the followings is not urban forests?
A city has built flower beds with a length of tens of kilometers between the urban motorway and non motorway, planting roses, forsythia and other plants