In the neolithic 'pollen diagrams show a great expansion of non-tree pollens' - coppice and open spaces make room for more pollen bearing species.
'The 'obvious explanation' of the elm decline in the early neolithic period is Dutch Elm disease.
'Monuments such as henges and long barrows involved precise alignments and called for a distant unobstructed horizon.Wide areas of what was later to be chalk downland and heath were already open country.
An open landscape on Down Farm - looking across the cursus towards the place of the midwinter sunset
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