Environmental Engineering Reference
In-Depth Information
largeroffshoreislandsaroundWalesweredesignatedasSitesofSpecialScientificInterest,theyoftenhad
extensive areas of rich maritime grasslands and heathlands. It was assumed that these plant communities
were self-sustaining and the only management they needed was protection from people. Too late it was
discovered that many of these plant communities did not represent the natural vegetation at all, but that
they were in fact the product of many centuries of agricultural management, which included the harvest-
ing of rabbits, bracken and gorse.
FIG
92.
The Worm, looking seawards from the Inner Head. (Harold Grenfell)
