▁ 2 0 0 4 ▁as ▁the ▁K eller wald - E der see ▁National ▁Park . ▁ ▁Furthermore , ▁a ▁great ▁area ▁is ▁part ▁of ▁the ▁European ▁network ▁" N atura ▁ 2 0 0 0 " ▁( Special ▁Area ▁of ▁Conserv ation ▁and ▁Special ▁Prote ction ▁Area ), ▁as ▁well ▁as , ▁in ▁parts , ▁B ann wald , ▁a ▁German ▁design ation ▁for ▁wood ed ▁w ilder ness es ▁allowed ▁to ▁grow ▁naturally ▁without ▁any ▁human ▁inter vention . ▁Further ▁Special ▁Are as ▁of ▁Conserv ation ▁are , ▁among ▁others , ▁the ▁o ak ▁for ests ▁on ▁the ▁ste ep ▁s lop es ▁at ▁the ▁E der see , ▁the ▁a for esa id ▁K eller ▁in ▁the ▁southern ▁part ▁of ▁the ▁nature ▁park ▁and ▁the ▁Ur ff , ▁a ▁linear ▁Special ▁Area ▁of ▁Conserv ation ▁from ▁the ▁source ▁to ▁the ▁river ' s ▁mouth ▁into ▁the ▁Schw alm . ▁In ▁small ▁areas , ▁there ▁are ▁also ▁nature ▁res erves ▁and ▁protected ▁scen ic ▁areas . ▁The ▁conservation ▁efforts ▁have ▁yield ed , ▁perhaps ▁most ▁important ly , ▁one ▁of ▁Central ▁Europe ' s ▁last ▁cont igu ous ▁broad leaf ▁for ests ▁of ▁international ▁grade . ▁ ▁The ▁pre domin ant ▁wood land ▁type ▁is ▁described ▁as ▁acid ic - so il ▁wood r ush - be ech ▁forest . ▁ ▁In ▁ 2 0 0 5 , ▁the ▁K eller wald - E der see ▁Nature ▁Park ▁was ▁brought ▁by ▁the ▁Federal ▁Office ▁for ▁Nature ▁Conserv ation ▁( B