Towards the docks, Barcelona's neat grid of boulevards fractures into a crazy-paved compaction of ancient alleys.

BBC: Barcelona: More than meets the eye

This planning process should include measures to encourage compaction of the urban landscape, along with more efficient public transportation.

BBC: Martha Schwartz

To help avoid compaction around tree and shrubbery, Reeves recommends mulching.

CNN: Spring wedding, backyard disaster

"All this heavy machinery and vehicles caused a lot of soil compaction, changed the landscape, and allowed more sand to move and caused a lot of erosion, " she said.

CNN: November 12, 2012 -- Updated 1223 GMT (2023 HKT)

"Compaction is the biggest enemy of lawn grass, " said Reeves, a retired horticultural agent of the University of Georgia Cooperative Extension Service, who now hosts radio and television shows about lawn and garden interests.

CNN: Spring wedding, backyard disaster