▁a ▁similar ▁way ▁on ▁the ▁western ▁side ▁of ▁the ▁r idge . ▁ ▁There ▁are ▁several ▁woods ▁around ▁Bour ne ▁Wood , ▁in ▁different ▁par ishes ▁or ▁former ▁par ishes , ▁fitting ▁this ▁pattern . ▁ ▁T aken ▁together , ▁they ▁may ▁lo os ely ▁be ▁called ▁Bour ne ▁Wood s ▁but ▁the ▁name ▁is ▁in ▁reality , ▁singular . ▁ ▁Each ▁wood ▁has ▁its ▁name ▁and ▁Bour ne ▁Wood ▁is ▁one ▁of ▁them . ▁ ▁E col ogy ▁There ▁are ▁some ▁woods ▁in ▁the ▁district ▁which ▁are ▁secondary . ▁ ▁For ▁example , ▁Else a ▁Wood ▁at ▁North or pe ▁( Grid ▁Ref . ▁T F 0 9 7 1 8 4 ), ▁through ▁which ▁the ▁line ▁of ▁the ▁Roman ▁road , ▁King ▁Street ▁runs ▁towards ▁Bour ne , ▁from ▁the ▁south , ▁is ▁entirely ▁on ▁the ▁Roman ▁carriage way ▁and ▁ver ges ▁so ▁will ▁be ▁Post - R oman . ▁ ▁However , ▁Bour ne ▁Wood ▁appears ▁in ▁part ▁at ▁least , ▁to ▁be ▁primary , ▁a ▁re lict ▁of ▁the ▁wild wood , ▁which ▁developed ▁naturally ▁as ▁the ▁climate ▁war med ▁after ▁the ▁latest ▁gla cial ▁period . ▁ ▁Tra ces ▁of ▁the ▁shore ▁of ▁the ▁lake , ▁which ▁was ▁dam med ▁into ▁the ▁Fen land ▁bas in ▁by ▁the ▁ice ▁cap , ▁can ▁still ▁be ▁seen ▁in ▁the ▁wood . ▁ ▁This ▁gla cial ▁is ▁known ▁in ▁Britain ▁as ▁the ▁Dev ens ian ▁but ▁elsewhere , ▁goes ▁under ▁names ▁such ▁as ▁V ist ula , ▁We ich sel li