Abstract

Two methods have been used to study changes in the flora of a small English county. Both are based on the gains and losses of taxa in types of habitat, one in a period of nearly two centuries and the other in sample areas in a period of 26 years. The extent of change is shown in each case to be similar, with the floras of woodland and calcareous grassland being remarkably constant but those of heath and acid grassland and of marsh and water meadows diminishing.

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