 The reserve is also the headquarters of the Warwickshire Wildlife Trust.Formerly used for sand and gravel quarrying, the 92 hectare (228 acre) site is owned by French industrial company LaFarge Industries and is leased to the Trust.Today, Brandon Marsh is a mixture of flooded gravel pits, fen, scrubland, reedbeds and woodland, much of which is uncommon habitat for the local area.