123 lines
3.3 KiB
Plaintext
123 lines
3.3 KiB
Plaintext
mmd, we ean gain Ionsderm plodueuon hum snosl
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series ol polyeullunl lemaees lwel and dry mp5),
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wull slable blinds lelllm nx‘kvwnlled or al a 1.3 slopel
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Tlees, on bonds and belween, above, and below leelaee
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senes, snuulu lol-ol «um!» ul llle lolal landseape plan,
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and bolll sons and mslalled walel .nlels and oullels
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snould peenul sale and amrlvllabk mlgallon
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The meal benelllsol lensees ale lllese
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- Vuy easy elop mess on slopes,
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y (unlrolled and elleellve ungatmn pm~
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- Muumal soll loss due lo overland walel now, 0! lo
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slope eoluualaon, and
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. A pellenllal 53m m sllls or uulnenls m lrflgaunn or
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run—oll walees and [mm leal lall
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As wull dams, (Huang ls ennsl zlletllve where
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slopes am leasl, as earlll moved versus area ol mp
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laud developed oeeomes lmplaelleal or lnelllelenl as
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slopes sleepen Al aooul .w slept, bul peelembly al
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meIB‘, [Hmong beeomcs wunhwhlle
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ream eonslluellon nlwoys oeglns on llle lowesl
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lemsee level, wllll llu- removal and slockplhng ol
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lopsoll um llle whale area ol lne lower terraces, and
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ploceeds uplull as eaell lelmee ls made, so nun llle
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lupsoll ol llle nexl lugllesl lavel ls cleamd on to llle
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pmedmfi lower lenaee Slockpilcd soll al llle lowesl
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lemaee ls lmally caned ur lllled lo llle lasl of me senes
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upnlll Lrignn msl
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Every lenaee syslem .s ldullv deslgned lo allow
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pelennlal bond and lenaee wall plsnls, spee. ally lol‘
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well dummy and gum mum mp.
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As lm llle exlem and senessue m a lemee syslem, ll
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ls Wlse lo lunu bollllln lhe basis ul:
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Heavy .alnlall lllenee expeelod mnflll) m uoples.
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and
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. Expleled ralnhll llamesl m sud aleas, unele lolal
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lenace aleas should nol exrecd nnr|wen|l€lh a! llle
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salellmenl lowesled, and wnele pelenmal Dr adapled
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elop lnem waleHdemandmg elopl should [arm llle
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seleeled speoes
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Thus, all lellaee syslems shuu|d alm lo oeeupy no
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mule men 30:. ol lloplesl or 5% ol dryland mas, and
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m lllellupna nee elopsnould be developed lo mamlaln
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leellllly ol lne lemse areas Wale. ealelunenl areas
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sllould he developed lo do llle same lax and anus, so
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lllal run—cl" brings leal mulell lu lenaeed slopes
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ln numld coal or nopleal areas, wol lenaees mum,
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ol all lemee areas) can lae deuuled m a llsll-planl
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polymlmn, glvmg ylelds 0! Ash, shellfish, and walel
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planl ploducls vlelds ol pnnem lmm Walcr eullmes
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ean exeeed all land-based sys‘rma ll managed al llle
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same levels of husbandry and me
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wnelevel people occupy kw sleep sues lslopes ol 20“
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or morel, espeelally ln mus ol high ramlall, ll ls
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pmlerable lo aoouden mall lenaoug la: a senes ol {—6
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narrow pluduellon lemaees, eaen senes emelully
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dumed lo splll excess lam down pelmanenlly
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vegeulrd slopes (Figure ml
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nusoy ndglng llle lenoee ups, mukhlng pallls, and
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slaggcnng palh spllls in snon senes, we esn gel llle
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advanuges n! lemme on qun: sleep slopes wulloul
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rlsklng eloslon and loll loss Needless lo say, maelunes
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an- lnapplopuele lolsuell mnslruellon, and sleep slope
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luxztmg ol llus Mluw ls alwiys lland-eul.
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9.7
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EAKTH CONSTRUCTS
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wlleleuel eallh lsdug, banksam raped 1nele ls a 5mm
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eeneenuanon on me lloles, and lm less on llle mounds,
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so am ”spud" m mlmng besomes a pollulaul. nus
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need nmbelhzuse.pmvldmgloysc is esl mend
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FIEIJIE 945
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mm: sEnlEs
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Sum: omen mums m will mm: a wlal alumna slmwl
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MAXIMUM we
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eerwew m<§
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a 4 (a7)
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nwmm llamn'
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agmrsu mamas
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ZMcJ—vzs
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B7
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