Ngr hs xtnsv mngrv frsts n th cstl rgn f th Ngr Dlt. Cnsdrd n f th mst clgclly snstv rgns n th wrld, th Ngr Dlt mngrv frst s sttd wthn dltc dpstnl nvrnmnt. Ths mngrv frsts srv crtcl rl n rgnl clgcl nd lndscp cmpstn, nd spprt sbsstnc gthrng prctcs, nd mrkt-bsd ncm pprtnts. nthrpgnc dvlpmnt thrtns th srvvl f Ngr Dlt mngrv ppltns.