SU0230 : Lichen covered tombs in St Michaels Churchyard

taken 11 years ago, near to Compton Chamberlayne, Wiltshire, Great Britain

Lichen covered tombs in St Michaels Churchyard
Lichen covered tombs in St Michaels Churchyard
Lichens do not have roots, but absorb water and gases through their upper surface, and are therefore sensitive to atmospheric pollution. For this reason they are rarely found around cities and grow best on the wetter west side of the British Isles. Those on trees thrive best on the sunny, south-west aspects of trunks and branches. Disappearance of lichen species can be used to detect rising levels of air pollution.

There are three main types. The encrusting forms, including the bright orange/dark yellow 'Xanthoria' grow on roofs, walls, gravestones, signs and tree trunks. Leaf-like species develop flat lobes spreading over bark or stones, and shrubby forms which grow vertically from the ground or hang from trees. Few have common names.
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SU0230, 37 images   (more nearby )
Photographer
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Date Taken
Sunday, 4 February, 2007   (more nearby)
Submitted
Sunday, 4 February, 2007
Category
Tombs   (more nearby)
Subject Location
OSGB36: geotagged! SU 029 300 [100m precision]
WGS84: 51:4.1864N 1:57.5735W
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