Fig. 1: Ditches vary in form and function.
From: Lines in the landscape
A an urban drainage ditch in Venice, Florida, USA. B the Oudegracht (“old canal”, dating from 1100 s) in urban Utrecht, the Netherlands, C an intermittent ditch in forestry, Sweden, D a ditch in a drained peatland converted to grassland, Iceland, E a roadside drainage in Ames, Iowa, USA, F a drainage ditch in intensively-managed arable peatland, UK, G monastic (latrine) drain at the medieval Norton Priory, UK, H water management canal in an Acacia plantation, Indonesia. Photo credits: Chelsea Clifford (A, E), Mike Peacock (B, F, G), Eliza Maher Hasselquist (C), Chris Evans (D, H).
