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Crue.. <br /> <br />. r '''''''''0 'fu <br />'~.(2 <br />"2 '--:...,._ <br /> <br />G1 <br /> <br />;l!: <br /> <br />== <br /> <br />48 <br /> <br />POTENTIAL NATURAL VEGETATION (PNV) <br />A.W KOchler <br />University of Kansas, 1966 <br /> <br />~~o <br /> <br />I <br /> <br />1- <br />91 ~. <br />P ~ <br />QBrt( Q <br /> <br />NEEDLELEAF FORESTS <br /> <br />WESTERN FORESTS <br /> <br />Black Hills pine foresl <br />(Pinus) <br /> <br />~' <br />, , , <br />, , <br /> <br />I " <br />_ __ 48 <br /> <br />At <br /> <br />Spruce~cedar.hemlock forest <br />IPicea-Thuja.Tsuga) <br /> <br />Cedar-hemlock-Douglas fir forest <br />(Thuja- T suga-PseudolsugaJ <br /> <br />Sliver fl,-Douglas fir forest <br />(Abies-Pseudotsuga) <br /> <br />fir-hemlock forest <br />(Abies-TsugaJ <br /> <br />MIxed conifer forest <br />( Abies-Pinus-Pseudotsuga) <br /> <br />Redwood forest <br />(Sequoia.pseudorsug.d <br /> <br />Red fir foresl <br />(Abies) <br /> <br />lodgepole pine-subalpine forest <br />(Pmus-Tsuga) <br /> <br />Pine-cypress forest <br />fPinus-Cupressus) <br /> <br />Western ponderosa forest <br />(Pinus) <br /> <br />Douglas fir forest <br />(Pseudorsugal <br /> <br />~ Cedar-hemlock.pine forest <br />~ (Thuja.Tsuga.P;nus) <br /> <br />~ Grand fir-Douglas fIr forest <br />~ (Abies-Pseudotsugd) <br /> <br />1,~;:j1/:1 <br />....... <br />. . <br /> <br />.. <br /> <br />Western spruce-fir forest <br />(Picea.Abies) <br /> <br />Eastern ponderosa forest <br />(PIOUS) <br /> <br />.. <br />c:J <br />~ <br />~ <br />I,'/',q' .....j <br />.':: :,::. <br />~ <br />~ <br /> <br />}unip~rus spp. (juniper, red cedar) <br /> <br />[::=J <br />Iyy Yy YYy ~ yVI <br /> <br />Sequoia wellingtoni,] Igianr sequoia) <br /> <br />Pine-Douglas fir forest <br />(PlOus-Pseuda'sugJ) <br /> <br />Yucca brevifalia (Joshua tree) <br /> <br />U.s. DEPARTMENT OF AGRICULTURE <br />FOREST SERVICE <br /> <br />Arizona pine forest <br />(Pinus) <br /> <br />'3 <br /> <br />c? <br />8 <br /> <br />Spruce.flr-Douglas fir forest <br />( Picea-Abies-pseudotsuga' <br /> <br />WESTERN SHRUB AND GRASSLAND <br /> <br />Southwestern spruce-fir forest <br />(Picea-Ables' <br /> <br />Juniper-pinyon woodland <br />(Juniperus-Pinus' <br /> <br />SHRUB <br /> <br />".':': ??:'.':':"j Desert: vegetation largely absent <br /> <br />BROADLEAF FORESTS <br /> <br />f!\iJ"' , <br />,,;;; 9.%",,,,,.1 <br />:.\ .c' ~'. <br /> <br />I u,.~ <br /> <br />!. <br />'~ ~ 9 "'.,? 'i" fl r 9 ... <br /> <br />~ ' ,55 ~ V , ~ . <br />< . . <br />. <br /> <br />Chaparral <br />( Adenostoma-Arctostaphylos-Ce-anolhusJ <br /> <br />Coastal sagebrush <br />(Sa/via.fdogonum) <br /> <br />GRASSLAND <br /> <br />CEJ <br /> <br />~ Oregon oakwoods <br />~ (QUClCUS) <br /> <br />California steppe <br />(Stipa) <br /> <br />Mesquite bosques <br />(prosopis) <br /> <br />~ <br />[J::] <br />~ <br />~ <br /> <br />Fall'oll <br />Res <br /> <br />GJ Fescue-oalgrass <br />40 . <br />(Festuca-Danrhon/a) <br /> <br />Cl"'t.~ <br />!. !. <br />, <br /> <br />SHRUB AND GRASSLAND <br />COMBINATIONS <br /> <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br /> <br />Mountain mahogany-oak scrub <br />(Cercocarpus-Quercus) <br /> <br />Great Basin sagebrush <br />(Artemis;a) <br /> <br />t>:~~::::.1 <br />t:.;.;so:.:=-/ <br />~ <br />GJ <br />[TI <br />CEJ <br /> <br />Tule marshes <br />(Sc;rpus-TyphaJ <br /> <br />Sagebrush steppe <br />(Artemis ia-Agropyron) <br /> <br />Wheatgrass-needlegrass shrubsleppe <br />( Agropyron-Sripa-Atrem;s;a) <br /> <br />Galleta-three awn shrubsreppe <br />(Hilar;a-I\tisrida) <br /> <br />Grama-tobosa shrubsteppe <br />( Bouteloua-Hilaria-Larrea) <br /> <br />Trans-Pecos shrub savanna <br />(Flourensia.Larrea) <br /> <br />BROADlEAF AND NEEDLE LEAF <br />FORESTS <br /> <br />r::--l Bladbrush <br />~ (Coleogyne) <br /> <br />t:::~~:~:~:l Sallbush-~reasewood <br />( Alrip/f>x.Sarcobatus) <br /> <br />~ Creosote bush <br />~(Lartea) <br /> <br />Fescue-wheatgrass <br />(Fesluc.a-Agropyron) <br /> <br />Whealgrass-bluegrass <br />(Agropyron-Pool) <br /> <br /><<54 <br />E' <br /> <br />~~~ Mosaic of numbel'5 2 and 22 <br /> <br />~ California mixed evergreen forest <br />'" <br />(Quercus-Arburus-Pseudolsuga' <br /> <br />.. <br />[ZJ <br /> <br />Brown.y,lI. <br /> <br />Alpine meadows and barren <br />(Agrosris. Carex, Feslue.!. Poa) <br /> <br />,~ <br />, <br /> <br />California oakwoods <br />(Quercus) <br /> <br />Oak+juniper woodland <br />(Quercus-juniperus) <br /> <br />.. <br />.. <br />.. <br /> <br />Creosole bush-bur sage <br />(l.;utea.Franser;a) <br /> <br />Fescue-mountain muhly prOline <br />( Fesluca-Muhlenberg;a) <br /> <br />Grama.galleta steppe <br />(Boule/oua-Hilaria) <br /> <br />Mesqu I te-acacia-savanna <br />(Andropo6on-Setafla-PlOsopis-Ac dci,]) <br /> <br />f <br />~J <br /> <br />Palo verde-cactus shrub <br />(Cercidium-Opuntia) <br /> <br />Ceniza shrub <br />( L.eucophyllum-Larrea-ProsopisJ <br /> <br />~ MesqUite-live oak savanna <br />~ (....ndropogon-Prosopis.Quercus) <br /> <br />Grama-tobosa prairie <br />(Boule/oua-Hi/ar'a) <br /> <br />, <br />100~' <br /> <br />9 <br /> <br />'i <br /> <br />~ <br />~ <br />L::..:..J <br /> <br />PNV <br />CENTRAL AND EASTERN GRASSLANDS <br /> <br />GRASSLAND <br /> <br />GRASSLAND AND FOREST <br />COMBINATIONS <br /> <br />~ <br />~ <br />~ <br /> <br />Wheatgrass.bluestem-needlegra~s <br />( Agropyron-l\ndropogon.Stipa) <br /> <br />Whealgrass-grama.buffalo grass <br />(Agropyron.Bouteloua-BuchloeJ <br /> <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br /> <br />Bluestem prairie <br />(Andropogon.PanlCum .Sorghastrum) <br /> <br />Nebraska Sandhills preu"e <br />( ....ndropogon.Calamovil1aJ <br /> <br />Black land prairie <br />( ....ndropogon.Stipa) <br /> <br />Mosaic of numbers 66 and 91 <br /> <br />Foothills proline <br />( ....gropyron.FejluCa-Slipa) <br /> <br />G rama.need legrass-wheatgrass <br />( Bouteloua-Stipa-Agropyron) <br /> <br />~ Oak savanna <br />L.!..:..:...!.J (Quercus.Andropogon) <br /> <br />~ <br /> <br />Bluestem-grama prairie <br />( ....ndropogon-Bouteloua) <br /> <br />t:O:''''\'j <br />.:.:.ri'.~:~ <br /> <br />~......... <br />....~ .... <br />..:-.~.::.!4;.::.:.. <br />~ <br />~ <br />~ <br />~ <br /> <br />~ <br /> <br />~ Grama.buHalo grass <br />58 <br />(Bou{eloua.BuchJoeJ <br /> <br />ShlOnery <br />(Quprcus.AndropoRon) <br /> <br />'0 <br /> <br />'" <br />r','1 ,. <br /> <br />Q :~::: ~1:ll Rat~ <br /> <br />J'I~;:I~::l::~:I:'lf:III"I' <br /> <br />, ":1:1:1 1:1:1~~:I:I:':I:I:t:l: '.' <br />9 1: t ~ I: I f I I, I, : I: I: .: ': I : I: I : - :: <br />1,1 111',II'I'.'I'I','II:(] <br />~ 9 -- \ I .;..~. Q t l,l,1 ./.~_ <br /> <br /> <br />0=:::':':1)#/'" . ':::' <br /> <br /> <br />r ..~ v. <br /> <br />66 <br /> <br />:...--;~ <br />'[;)... <br /> <br />..... <br />". <br />... <br /> <br />...... <br /> <br />::'--::..: <br /> <br />0::> <br /> <br />.'. <br />, <br />" <br />I r I:~ I:::" .: <br />'.. \ 11.1], . <br />, II,' <br />'.' "~'::, 84' <br /> <br />a <br /> <br />o <br /> <br />90 <br /> <br />0>1~ <br />! <br /> <br />86 <br />e"". <br /> <br />j:' <br /> <br />. 7/ <br />, <br /> <br />90 <br /> <br />66 <br /> <br />Stuk <br />.nrr. <br /> <br />Q <br />Q <br />o <br /> <br />dJ <br />\)1 <br />I <br />&~- <br />~""l....... I <br />"'''t;l <br /> <br />: .....~nn9 p <br />. c <br /> <br />c:u <br /> <br />~ <br /> <br />f - <br /> <br />Pi" <br />. ~ 66 <br /> <br />, . , <br />P f' 9 f <br />? <12 9' ....rt <br />~' ,1': <br /> <br />, <br />909 9 <br />, . <br />~\ <br />. <br /> <br />"" <br /> <br />90 <br />~. <br />, ' <br /> <br />:J <br /> <br />~ <br /> <br />10 Cj <br />">-1 <br />~n <br />"0 <br /> <br />-. :\~ <br /> <br />o <br /> <br />~, <br /> <br />" <br />... '..... ..:. <br />'~~::~\:.:r~\.:. ...:...: ~:...:. <br /> <br />91 .:~.. <br /> <br />O(JO <br /> <br />(J <br /> <br />. 1 "" <br /> <br />J t <br /> <br />Sprihg''':'d <br /> <br />:f.' '~h':>~}.:'~':';$. <br />r ~ . ". <br />- \ ~ <br />l~~ oF~'" 9' <br />~ <br /> <br />,;,-..- <br /> <br />91~ \ <br /> <br />~ <br /> <br />! <br />10 <br /> <br />'fJJ" <br />," ~ <br /> <br />., <br /> <br />0>; , , <br />~ <br /> <br />~-, <br />., <br />, <br /> <br />" " <br />" .u " <br />~ .lI.&9"" .It <br />.k Ii. Il lL r. <br />.Il. 1I..ll. Ll II. <br />->=- <br /> <br />.. <br />" <br /> <br />70 <br /> <br />= <br /> <br />2000 HUMID TEMPERATE DOMAIN <br />2100 Warm ContmentaILJIVI'i,on <br />2110 Lwrt-nllan Ml.IIed Forest ProYJnce <br />Highland Provinces <br />M2ll0 Columbia Forest Province <br />2200 Hot Continental DIViSion <br />2210 Eastern Declduou... forest Provln(t' <br />2300 Subtrop'cal DIVISion <br />2310 Out~ Coastal Plam Fore<>1 Province <br />2320 Southeastern Milled For{>St Province <br />2400 Manne DIVISion <br />2410 Wlllamelte.Puget Forest Province <br />Highland Provtnces <br />M2410 Pacific Forest ProVInce <br /> <br />r-;;-l Sandsage.blueslem prairie <br />L--=--.1 (Arlem;siil-Andropogon) <br /> <br />Blueslem.sacahuisla praifle <br />( AndlOpogon~Spa,'in.l) <br /> <br />Cedar glades <br />(Quercus-}un;perus-Sporobolus) <br /> <br />Wheatgr ass-needlegrass <br />(....gropyron.Stipa) <br /> <br />CEJ <br /> <br />Southern cord grass prairie <br />(SpartinaJ <br /> <br />Palmetto proline <br />(Serenoa.Ar;stida) <br /> <br />Cross timbers <br />fQuercus-Andropogon) <br /> <br />Mesquite.buffalo grass <br />( Bouteloua-Buchloe-ProsopIsJ <br /> <br />r-::--l Northern cordgrass praltle <br />~ (Distichlis.Sparlina) <br /> <br />~ <br /> <br />84 <br /> <br />\.. 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Y Q <br />.,' ~ "::<t.' t . <br />.,. , & ,; t w., ~,~., <br />..'1 t, ~9'? <br />'-t, 9 1/".. <br />J , , t , ~ '. <br />Ilt_'t'fo'V'~ i'9 <br />- . , V . t ? ,,-< <br />,It; -- ".ot;t l' 't. 0 ... V , ~ '9' 9 )'103 i ~ H <br />q\ - t.l~ It t 9 '7:!4 ' 'i ~ Q. <br />'~~' ht..y'fS 0.. , <br />9 .hl.~'t 9Q'90 <br />0" '0'.'00 ,? <br />.,..~,. ,,"0.J..J <br />". .t, "., <br />.", fO'?'lV<Q!I <br />q, 9, fle:l(\~l14,! , <br /> <br />iq q 9 f' 9 " ~"b y ::. <br /> <br />,S; <br />'" <br />.~ <br />~ <br /> <br />t ,..;- - J~.; <br />,t~,. ~!f~' <br />"IT .",t. <br />~"\"I 11 _' , f . <br />. ,,~, f t ,. , <br />., , . <br />, t <br />, , <br /> <br />,~' : <br /> <br />.f .' <br /> <br />.'ot f <br />, . . <br />, . . . <br />. . . <br />, y , , <br />, , <br />, <br /> <br />it <br />~ <br />J, .'" <br />.. It:. III <br />'1!, Jf. 1('1 'Il, ~ ~'I' <br />:&' -.f,."-",. -1Il'-, <br />: ~, , ." . ' \ .,. <br />'f"~.' ",.- 't '._'. t <br />,."" ~ '!' . ..... <br />"of _o-"''!';;' -- <br />..o!Ip "'. <br />~:. .1 <br /> <br />. <br />_ 9 v ~ r; 1;; ~ ,. <br />"" q. 9 ",", ~ 1 <br />f' t\ 1> :\V'" ~ Q <br />,,-,\ '. t ' <br />· , <et' 0 . <br />9 '99TQ9~O <br />q ~ f 1 ~ <br />9 9 '9 ,';' <br />'" y \02 Q 9 9 <br />Co '? 9 /) 9 <br />n ~.9 '" ~'9 f;I ~ <br /> <br />~~Q9'i" 09 <br />9 Q \' y 9 <br />, \' 0 ". <br />" l:{ 009 ..:: 0 .~.\.':t. ~Otf \O!) <br /> <br />,,'9' .' 9.'~f. ::~..9.~ <br />'Qk)'. ..,>>. <br />\: ,..." '~;t:.:i: <br />'.;;. ., a,,~:'}:'. <br />~ '1'.. Il;'\~l .::~.~~::~. <br />. '..~: 1~6 \\~I~.~~~~.;. ~ <br />..... ......:....: 1 <br />.... <br />.... <br /> <br />, <br />'. <br /> <br />sOI'\".lIe <br /> <br />aaton ~ <br />" <br /> <br />.... <br />'7 <br /> <br />,03 <br />--~ <br /> <br />~Ort <br /> <br />10 <br />"J". <br /> <br />81 <br /> <br />, <br />.- <br /> <br />o <br /> <br />J~ <br /> <br />ECOREGIONS OF THE UNITED STATES <br />R.G. Bailey <br />Forest Service, 197f, <br /> <br />2500 Pralt/(> DIVision <br />2S10 Prairie Parkland PrOVince <br />2520 Prdlfle Brush land PrOYJnce <br />2S30 Tall-jitrass PraIrie Province <br />2600 Med,terranean Division <br />2610 Cahfornla Grassland ProvmCe <br />Highland ProVInces <br />M2bl0 Sierran Forest Province <br />M2620 Callforma Chip.lrTal PrOVInCE' <br /> <br />3130 Inrermountam 5.lgt"brush ProYlnce <br />3140 MeXican Highlands Shrub Steppe Province <br />Hishland ProvinCes <br />M3110 Rocky Mountain Forest ProVInce <br />M3120 Upper Gila Mountains For~t Province <br />P31J0 Colorado Plaleau Province <br />A3140 Wyoming BaSin PrOVInce <br />3200 Desert D'Vlslon <br />3210 Chlhuahuan Desert Province <br />3220 American Desert Province <br /> <br />:ifil:. <br />..-=- .~. KfrV Weft <br /> <br />....:~!~.::. <br />".i;) <br /> <br />,.' <br /> <br />1000 DRY DOMAIN <br />3100 Steppe DiVISIon <br />3110 Creat PlilIns ShortgrassPraltle ProV\nce <br />3120 Palouse Grassland ProvlnclI' <br /> <br />4000 HUMID TROPICAL DOMAIN <br />4100 Savanna DIVISion <br />4110 Everglades ProVlncll' <br /> <br />Minor moct!hcat'ons by G. D. Davis, RARE 1/ staff. in consultation WIth R. G Bailey, 1978. <br /> <br />[f"r7.~1 Ju",pe-r-oak savanna <br />~ (Andropogon-Quercus-juniperus) <br /> <br />~ Mesquite-oak savanna <br />~ (Andropogon.Prosopis-Quercus) <br /> <br />~ <br />~ <br />fIJIJ <br />~ <br />L:.....Jl <br /> <br />:::::~~:ii~: <br /> <br />[:'''~''i:''1 <br />":'.:.~~':". <br /> <br />\ <br /> <br />t! <br /> <br />Or\~t1~U <br /> <br />- ,0 Q ~ (j <br /> <br />9~.lt"nu(Q <br /> <br />,-,,,-,'-'--' <br /> <br />"\" <br /> <br />-. :. <br /> <br />Palf'1' Spe" <br /> <br />t.I\..n'\' <br /> <br />,......._.CR6_ <br /> <br />Fayette prairie <br />(Andropogon.Buchloe) <br /> <br />Blackbelt <br />( Liquidambar-Quercus-}uniperus) <br /> <br />live oak-sea oats <br />(Quercus.UnioJaJ <br /> <br />Cypress savanna <br />(Taxodlum-MariscusJ <br /> <br />Everglades <br />(Mariscus and Magnofia-Persea) <br /> <br />I <br />l <br /> <br /><?' <br />..~ <br />"'"9, <br />,I <br /> <br />~, I",k <br /> <br />10\1"1. <br />o <br />1:'0 ~ ~ ~ '0 49 ~" <br />o!) 13 1:3 "-();I'a \7. l)", (] 4"- <br />O ~O<:7 I ...'.:.,0/1 "- ," ~ "f. .. f <br />~ ::.., = WJ . ~ I " ,I,f"..~I,~ - <br /> <br />/~;:: q, I = ~ ~ ~. ~- 4< . O~\j _',,~ ~" ~ ~(} :~' ". . - . ,4: ." <br /> <br />.' ~~'~~1:. ~ ~ \ : .. '~~A "J' ; ::'; 14 ), \il ',' , ''''no, " <br />'" .1 J:l; J 74 ,~ }S . 0 ~f1) ". ~ ~ 51. 56 <br />~t) .'i 10 : J J J .} .- ,10'. , :.... .' 13 .. f.,l ~.'-'I'" a.J <br />Jif'(Cl . Q 'c;:> ". .."':.' ..... ~ '4 ..' ,"'" 15 -0 .... ' <br /> <br />'~"~~:9~~~" .{,,' .... ..<~(",...>.'1 ~: .~..\;; ,.' :.;:-:.. '-; <br /> <br />r .~'" . ; [((:. eF ..:::.... .)( -J'>;/J~: \.:.:. "':::.: ::'.:[: :\:3i~'~ii;" ':." ' ... .. ...\ " ,.". :~, ,1 <br />::::"(N ,''''' Ji!::::. .' . .:.. (:m~:::::::' . i~;':' . ::::~:' ~ :':- '. .', ..<.~:P0@&...: .'. .~. \i ,.'......50 .. " "," .. 4 :,; /J I ~ <br />;'. '(li ::-:--. . .:~.:+ ':.;::-:':::. L:::jg :"';:'S~::)} .~. Ib~':fi" ~, Q I- ' "'"...... . <br />A ~.~. '. <: - ....~(i1)I}\.(;j~,i1,j~ ' ..~,.: ;f<i.;~'. t', <br /> <br />.. · ,.:: ., ! :i:. : lI;f;;.~."j;1;?~~JJ;4~': .., .1;~5f; ,~:: : ';,; <,: ~~!::~~. i__ <br />I ' "IJ~it::"'~d",~ 3- . .';;>:';~:<J::::::.:~., . ..}}:." .'. ;, ..:<. .,.r/:.:-<..;.:. W<i3 .' k . ,., <br />, '/ 'Jt~~~'.*/~I ~.,':' '-'t ~l::~'~&,:,:/ :,: .J ~., <br />;,,',;~r;i': ... ;"'''''''lll/~~;a j;':i!J >'1- ., -;. "i... .~I~ :- '" i."" L.. <br />';~~::~:;i:/>.:. ';::j '..;,~~:,li;:J!!S :: ,~:' '~';::j;~f;:.:' ." . ." ':~ ..? ~. "'/::'~~~- <br />~. ".:.';;.~1_1;.I~J';;~i./..{,:~':;,'. u · .. · . <br /> <br />"l' .......... . \J?~ /: y .' .. ....... ~. .. I. . . 14 <br /> <br />)~~1~~~} ~ ;, ',:: ~'J:: 'N~~':5f:~'~::::::!:::;;::':'.:::i :;.::~ j .' ,"~ <br /> <br /> <br />.. h n> .:. \~ /4;a,. "..'.'~~::::'.'.,". .. Ii <br />:w . \;j]:;"J.' .oad '4\" .::.::. ~:: . . . . .~. , . 3~ <br /> <br />~ .. Br ~ p y" .... 47 ...... I ..:.,....:- <br /> <br />I'..'"~. ~~-.i:,~'.s:;:;). 3, :. ',<, '\f)..J Y Y .00..... ...-:~.:-:':.. 47 <br />. ~. -, --:n '\! 5l '. '::{:{~~~:: ;g] <br /> <br /> <br />',',", '. .~ "'~ 2J[~T~':' -~ $ ':.:~~:' ..'~ ... J1.:::...:.-:::, ~ ~ <br /> <br />~ ., ~ "2 ~- '~. .. '~~, iJ') . .::. .e:.:. ",. (/ <br /> <br />41 .' ~ . . ~-;".'Oo, 4 ....:.:6,. 17 <br />~ ~'" c:o.J8 ~ 18 .. ~; .:~~:::~~ ~ ~~f:' ~ <br />.,. :.)f. 41 <br />'.:::::.::'.(::., ... .:::~/ <br /> <br />~ ,"~L'... ~. ! '. .~~ <br /> <br />-..:- 1!- ..~~ <br />")<;28'" ".. - I <br /> <br />G <br /> <br />\~. <br /> <br />u ,,"" <br /> <br />11 <br /> <br />I <br /> <br />~ <br /> <br />" <br /> <br />oJ <br /> <br />~ <br />t i'~ _. <br />s.t-. .._ ,O'~no' <br />. I" 0 .~ \ <br />" <br /> <br />~\'O,"'1 <br /> <br />ffj <br /> <br />,0 <br />i'P~" <br /> <br />~ <br /> <br />'I"toft \ <br />\ <br /> <br />'-.. <br /> <br />~... !'l <br />~... <br />. '--""'-/.", <br />./ ./. <br />(} /' <br /> <br />,l' <br />.' <br /> <br />\ <br />'" <br /> <br />(? <br /> <br />"{r.n\h(l <br /> <br />Vl\'\~"" <br /> <br />.~ <br /> <br />,00 <br /> <br />.. <br />~. <br />, " <br /> <br />'f <br />:' <br /> <br />6' <br /> <br />1.\,1\' <br /> <br />, <br /> <br />11'.\ ) <br />,', <br /> <br />" <br /> <br />('61 <br /> <br />\\noll'\O\Ol'\ <br /> <br />:oJ <br /> <br />v <br /> <br />...... <br /> <br />f.-.. <br /> <br />~ <br /> <br />"\" <br /> <br />'V <br /> <br />f.-.. <br /> <br />.~. <br />; ". <br /> <br />:~ <br /> <br />-'. <br />.-, <br />-,. , <br />i; <br /> <br />" <br /> <br />~....., <br />......8'...... <br />.:':::.:..~':'::.:: <br /> <br />::::::~~i:~:: <br /> <br />RARE II <br /> <br />650 <br /> <br />\ <br /> <br />~ <br /> <br />J:,.>,l <br /> <br />,p <br /> <br />1:. <br /> <br />.1 <br /> <br /> <br />~\ <br /> <br />'l. <br /> <br />., <br />---< <br /> <br />, - \.. <br /> <br />p:. <br /> <br />. <br />\ <br /> <br />.l <br /> <br />.,' \, <br /> <br />." <br />. ... <br />~.6'1"~ <br />~, . "';' <br />'~'il' <br /> <br />81 <br /> <br />~ <br /> <br />o~,Qf\ <br /> <br />~ <br /> <br />,.'/>" -~ <br /> <br />"\" <br /> <br />'. , <br /> <br />'<; <br /> <br />v <br /> <br />o <br /> <br />PNV <br />EASTERN FORESTS <br /> <br />NEEOLElEAF FORESTS <br /> <br />Great lakes spruce-fir forest <br />(Picea-Abies) <br /> <br />Coniler bog <br />(Plcea.Larix- Thu;a) <br /> <br />~ Great lak.es pine forest <br />~ (pinus) <br /> <br />Northeast ern spruce-f" forest <br />(Picea.Abies) <br /> <br />~ <br />~ <br />~ <br /> <br />~ <br />~ <br /> <br />[SJ <br />.~ <br />ETIBJ <br />~ <br /> <br />Southeastern spruce-fIr forest <br />fPiceil.Abies) <br /> <br />BROADLEAF FORESTS <br /> <br />Northern floodplain forest <br />(Popu/us.Salix-Ulmus) <br /> <br />Maple-basswood forest <br />fAcer-Tilia) <br /> <br />Oak.hickory forest <br />(Quercus-Carya) <br /> <br />Elm.ash forest <br />(Ulmus.Frax;nus) <br /> <br />Beech.maple forest <br />(F<igus-Acer) <br /> <br />Mixed mesophyuc forest <br />(Acer-Aescu/us-Fagus. Liriodendron.Quercus- T j liaJ <br /> <br />.. <br /> <br />~ Appalachian oak forest <br />9'- <br />(Quercus) <br /> <br />Mangrove <br />(Avicennia-Rhizophor a) <br /> <br />~ <br />ITIIm!ID <br />ffiffilllI] <br />[JEJ <br />III <br /> <br />BROADlEAF AND NEEDLELEAF FORESTS <br /> <br />Northern hardwoods <br />(Acer-BetuJa.f agus. T suga) <br /> <br />Northern hardwoods-fir forest <br />(Acer.8etuJil./W;es.. T suga <br /> <br />Northern hardwoods-spruce forest <br />(Acer.Betu/a.Faguj-Picea. T suga) <br /> <br />Northeastern oak-plOe forest <br />(Quercus-Pinus) <br /> <br />Oak-hickory-pine forest <br />(Quercus-Carya-Pinus) <br /> <br />~ Southern mixed forest <br />~ (Fagus-l.;quidambar-Magnolia.Pinus.Quercus) <br /> <br />~ Southern flOOdplain forest <br />~ (Quercus.Nyassa-Tal(od;um) <br /> <br />:::~:'~~::::: <br /> <br />Pocosin <br />(Pinus-flex) <br /> <br />~ Sand pine scrub <br />k..::.....J (Pinus-Quercus) <br /> <br />r::::--J Sob-tropiciiJ pine lorest <br />~(PinuS) <br /> <br />ECOSYSTEMS <br />OF THE <br />UNITED STATES <br /> <br />100 <br /> <br />'00 <br /> <br />~:\. <br /> <br />Albers Equal Area Projection <br />SCALE 1:7,500,000 <br /> <br />zoo <br /> <br />300 <br /> <br />MILES <br /> <br />~.~E TranSition between 27 and 31 <br /> <br />'::%".-' <br /> <br />-V/\3dfe-g['~._._.::,; 68~, <br />C@ i 58 . <br />& i <br />.. . . i <br />~:;:.~.~:;~~r':~:::~;/::=~~.:~:,~~~:~" ~'''~.: ~ <br /> <br />I ,......- """" -.:" ....J......-..".,......- <br />.- -...- -,,:-"Y".....ol..7 -"':' -,.: , <br />.:-:'. ~ ; '1.c<' "\+ .:._~'_ ~ ~_:":'".... ' <br />: {} .'. . i i \ ..-:; ".or.' '">f:' --:~ -.,.:- ... <br />;p . 58 Lubbock. d, , _ <" ~~ ~=~, -A(" l:h ~ <br />f a I - .... ~"~...,.~-,.~ - ~~~~ -,r _' ...........- :-:,i_:':':-o <br />" j ~-~'-",,' "t~~ ~ ~ ~ "'..68 .... '.~.':~ 68 '''-:5 ~ 0 <br /> <br />! ~~~~~f"',::['~>~- <br /> <br />_. J > >,~_.>_'".~~....~ '-:'~~-:" ' c ~~ <br />I~'o' 6. ::;.-:.~.~~~~::j"(:/~; ~~ i~',.~~:-:-'-.~~~" 6. ~ <br /> <br />~ ~- " ~.~- ~---.:;I": "l7." ~ ""\:# "X' <br /> <br />~:.,::::~~::~-::;.-..~-t~:-:~ -..... ~~ ..:(:~:.... <br /> <br />//JJJ-J ..:.c......-",:".,.:.....~~?ro "">r ~.,.,;. ~ 99'9tq- 1 :~ <br />J .J J J J. J J ">w:' ...",............. _ ~ -,,:. ~ -..c q. R 9 ? q ::- '">C' -:.. <br />JJJ.,J,,~/:;JJJ J ......""""'~-...";lo.-3~ liw.:f.1 9 ~'":>..."X" <br />J J J)I J53 J J . J, J ~,r.......'::c-~,?I ~ qo ~ 'V <br />J j .} / <J ~ ~ J J.lJ J... ~:..2-....- ^ J- 9" _ _ ;..~ <br />48_:-.~~.. J; J~J.JJ~:JJ ~~~~1~'"<'~"':.:.~~~... '? .......,.;;....; 1J~1t( ." <br />~~--J-:-"" -J....v- '.c ... ~ -':'f:' .::.:::..~:. <br />. J .,17 :.~~ _ =_r~ ~~ ~~~:~-:~ ~~ ~ <br />O""~ ~ 0 ~ ~ \,: ~ ??-~: :s~ "~ ~ ~.~.:.~.:;~i~~~/"~ <: ~ ~:~:: ' <br /> <br />" ~ 91 .II. -4 .ll.. .Il. <br />, ...\. .p ~ .J.I.iI.b It. J< ,l,. JI,. .Il..II..la <br />, , - <br />{'.....p 10691< A>... I>. <br />'A", ".... <br />-.,<:!-!......~4 '........-'R"';;- <br />\ ,.r~ <br />'--~' <br /> <br />o <br />I <br />o <br /> <br />'0 <br /> <br />'00 <br /> <br />~ <br /> <br />, <br />800 <br /> <br />:'.- ... <br />- <br /> <br />300 <br /> <br />500 KilOMETERS <br /> <br />400 <br /> <br />750 <br /> <br />MAPB <br /> <br />~ <br />C;J <br />H <br />l;,.O <br />W <br />C:.11 <br /> <br />~ <br />\ <br /> <br />.. <br /> <br />A" <br /> <br />~ <br />'J' <br />4: <br />(""\ <br />a <br />J <br />-+ <br /> <br />\ <br /> <br />\, <br /> <br />(} <br />() <br />\J <br /> <br />0: <br /> <br />AOo <br /> <br />3,,0 <br /> <br />300 <br /> <br />2.,,0 <br /> <br />o <br /> <br />INTERIOR-GEOLOGICAL SURVEY. RESTO"'. VIRGlNIA_1978 <br />