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It should be noted that the samples used in the above section of the study covered
small areas relative those used for forestry, pasture, water etc. This is because
paved or hard ground was only a small part of the sample area. It is unlikely,
however, that a larger sample of hard ground would have revealed any different
results; firstly because the sampling was done over a relatively wide geographical
area and secondly because large expanses of paved areas are rare enough to be
considered an anomaly in the Irish landscape, which would in any case could be
flagged by the search algorithm (by setting a maximum expected area for values
matching hard cover).
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