ell fish ▁formed ▁an ▁important ▁part ▁of ▁the ▁di et , ▁att ested ▁to ▁by ▁numerous ▁shell ▁m idd ens ▁along ▁the ▁coast ▁and ▁interior ▁rivers . ▁ ▁Coast al ▁pe op les ▁pract iced ▁season al ▁mob ility , ▁moving ▁to ▁the ▁coast ▁during ▁the ▁summer ▁to ▁take ▁advantage ▁of ▁numerous ▁marine ▁resources ▁such ▁as ▁sea ▁m amm als ▁and ▁shell fish , ▁then ▁moved ▁to ▁interior ▁locations ▁during ▁the ▁winter ▁where ▁access ▁to ▁de er , ▁bear , ▁and ▁an ad rom ous ▁fish ▁such ▁as ▁sal mon ▁could ▁see ▁them ▁through ▁the ▁winter . ▁Season al ▁for aging ▁also ▁character ized ▁the ▁strateg ies ▁of ▁many ▁interior ▁populations , ▁with ▁groups ▁moving ▁strateg ically ▁among ▁dense ▁resource ▁areas . ▁ ▁Rec ently ▁evidence ▁has ▁accum ulated ▁of ▁a ▁greater ▁reli ance ▁of ▁wood land ▁pe op les ▁on ▁cultiv ation ▁in ▁this ▁period , ▁at ▁least ▁in ▁some ▁local ities , ▁than ▁has ▁histor ically ▁been ▁recognized . ▁This ▁is ▁especially ▁true ▁for ▁the ▁middle ▁wood land ▁period ▁and ▁perhaps ▁beyond . ▁C . ▁Margaret ▁Sc ar ry ▁states ▁" in ▁the ▁Wood land ▁periods , ▁people ▁divers ified ▁their ▁use ▁of ▁plant ▁food s ▁... ▁[ they ] ▁increased ▁their ▁consumption ▁of ▁st archy ▁food s . ▁They ▁did ▁so , ▁however , ▁by ▁cultiv ating ▁st archy ▁se eds ▁rather ▁than ▁by ▁gather ing ▁more ▁ac orn s ." ▁ ▁Smith ▁and ▁Y arn ell ▁refer ▁to ▁an ▁" ind igen ous ▁c rop ▁complex " ▁as ▁early