The authors measured canopy change in two cities — one fast growing, and the other subject to major disinvestment. They concluded that although canopy cover over time remained stable, distribution of trees varied greatly. While multi-decade change in aggregate is undetectable at the scale of a city, there seems to be substantial shifts in the spatial arrangement of the tree canopy.
Urban tree cover change in Detroit and Atlanta, USA, 1951–2010, Cities 41 (2014) 123–131
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