URBANISATION

There is intensive pressure for urban development close
to the major natural faetures of the deserts of
southwestern USA. The properties in these regions can
command high prices. Here we see part of a new urban
development (a band of houses in the middle distance)
immediately next to the boundary of the Saguaro National
Monument (where the picture was taken) near Tucson,
Arizona. The long-term effect of this is fragmentation of
the desert habitat, with consequences for the mobility of
animals (including pollinators).
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