Environmental Engineering Reference
In-Depth Information
Nextinthesuccessionarethefixedorgreydunes,sonamedbecausetheyhavebeenmainlystabilised
by a covering of vegetation, do not move like the mobile dunes and lack large areas of bare sand. They
include a number of habitats such as dune heath, dune grassland and dune scrub. Bloody crane's-bill, a
scarce plant in Britain, but which is locally common in Gower, is a particularly striking and attractive
featureofthefixeddunes(Fig.77)andisoftenassociated withburnetrose Rosa pimpinellifolia anddew-
berry Rubus caesius in a distinctive plant community found in very few other places in Britain. Unfortu-
nately Japanese rose Rosa rugosa has recently become established on a number of dune systems in South
Wales and if it spreads widely could seriously affect the viability of this community.
FIG 75. Marram grass on Whiteford Burrows. (Harold Grenfell)
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