If you are interested in taking part in the ecological survey work please email Margaret Pilkington (M.C.Pilkington@sussex.ac.uk). You don't have to be an expert: just an enthusiast.
You can also read about the work on Weald Meadows by other organisations, such as www.highweald.org and highwealdlandscapetrust,org and see information on another floodplain meadow grassland project at the Open University.