172 THE ESSEX NATURALIST
Taking the oaks alone, the correlation between Q. robur and the
sandy parts is quite apparent, and there can also be seen the increase
in Q. hybrids in the clay region near the Carpinetum, which is rather
more damp than the rest of the clay.
Fig 1. WOODHAM WALTER COMMON—ANALYSIS OF
LINE TRANSECT. Vertical columns show percentages of each
species occurring in each 100-ft. section of the transect.
CONCLUSION
From the analysis of the records made of the line transect through
Woodham Walter Common, it seems that Quercus robur favours the