92 The Essex Naturalist bufferlands or the forest. A site in the main forest was compared to the bufferland fields. The samples were collected between 11.00 and 15.00 hours on Monday, May 16th. The main forest site was Deershelter Plain; the bufferland sites were Conybury Wood, Brambly Shaw, Oxleys Wood, Rookery Wood and Copped Hall. The results of the nitrogen analysis (carried out by Natural Resource Management Ltd., Berkshire) are listed in Table 1. Fig. 1. Major features of the study area.