Which areas of the UK have the greatest biodiversity value? Explore real UK biodiversity data using Worldmap. Apply different biodiversity measures and investigate how patterns of biodiversity value are affected. Use Worldmap to help select priority areas for conservation.

Worldmap is a biological distribution mapping and analysis package developed by Dr Paul Williams of The Natural History Museum.

This version includes: calculation of measures used in this site  datasets for British butterflies and selected plants  base grids for Britain and the World  a blank grid which may be used to represent any area

The full Worldmap package is capable of a processing a wide range of biodiversity measures and calculations. A demonstration version, plus detailed help files and technical information, are available from the Worldmap home page.