Wl|er ls me dnvlng loeoe olall mluee.
(hounds da mm

In an ammal or a plaul. 99 moleeules ln we as:
wale .An organlsm ls a pool In a sueaan olmuer
along wluoh melsoolues and cnerg move through
mysleens.

lW.V. Madarlanel

 

The suslalned flnw or mess ls lruly eenmkaole.
oonsldedog lhal peeelollallon ls an unusual emu
ln most was or use eanh. locallsallon or pee.
clpllauon |n space or none ls :Lrlkmg le g. as Pans.
It runs for s77 ooues a year. oe only 7% ol lhe
ume» EMolllsonl Few slorms lasl more man a low
hours. so max even slorm days are molly
ealnless. Ye! mess now mmughnm me year. The
susealnlug soueee or now ls emuznl grounds
wl|erm The amnunl ol soll wulee ls aboul lllleen
umes she susouns ln enamel alonge lo rlvan.
(Naee m chmley, wool

7.1
INTRODUCTION

Vrry lulle ol lhe world's lolal wa|ex reserves aee
mally avaxlablz tor pesenl human needs Many mess
of tank, pameularly dryland mas overdo/doped
emes, and lowos or eules surrounded oy pallnlmg
mdusky and agncullurl, (see an absolule shonage ol
useaole walee Mslllons ol mydwdlm now oulehas.
wales, al onees «mm 1980 onl equlvalenl lo or gleam
lhan lhal ol nfirwd peooleuan Thls ls why lhe value ol
land anon, "I lunue, be assessed on lls yield ol potable
water Those psopereyowne-s wllh a eonslanl some

152

ol ouae wllrr ulmdy have an «onumlallyrvfluable
"Mud“ {mm lheu land, and need lmk no lunhu [m
a some ol lneolne Wm! as a mmmndny ls nhvndy
being oansponed bym on a global scale

The yummy ssLEcnoN FACTOR, when (hm
mg a crophnd pxopeely |o develop, should oe an
adequsle, pselenaoly well—diilnbuled, 2nd above all
nliabk mnlall “Adequale' hele lsaboul a mmlmllmol
all m! (3| xnchrs) and upwards. An equally unpomm
laesor ls lhe ablllty ol the am lo hold waleeas dams .n
slay or (Layrlmm sloeages; any sueam now wllhm lhe
ooundaues is a bonus All olher laeloes lsoll We
present uses, nunloee ol rules. mam: oolenllal, aeeess,
and lolesled aeessl a.e oeeondney lo wikr nvuhbiliry

Lune ol me lnnds now used [or elop agneullulo have
such lonunale ehasaelensues Few larmess have
lnvesled In 'dmughkpmling" lheu land by (ruling
slammed lmgilinn syslems ol Keyllne ayaleansm
Speclllcsmlegoes ol wales eonsorvaoon and (mmol in
Elven .n this book undee lheu appmyrialr elnnaoe and
landlonn sections

While lhe-e are no eeono * lly»leasible slra|egles or
Itchncdnglzs loe lxeshwelex eeesllon lmm lhe sea or
lloln polluted soueees, lhese ire several currently
negleckd slselegles (or "cycling, puxllxcallon,
canservakion, and lneleased slorages ol ramwaler ln
pasueulas, lho eonsuueuon ol lanks and dams have
been negleeled in lnuleuo aeeas, as haw: eanh sloeages
on launs and in nasal arus Wasle usage nnglng lmln
over-Imgauou, non‘loeyellng m .ndusley. mappmpn-
ale domesus sppllanees, and unneczisary uses (on
lawns and ear washesl have nol as yel been adequalsly
eosled by leglslalon orby householders

mlea 7,1 and 7.: show absoael hguns ol lhe global
and loeal wales eveles nlese should nol he "plan as
flxzd or even sumuehl sepsesenlauons ol waler In
ulallon lo aeuvely deslgned or rlhablmiked
landscapes There are ways ln whlch we can
eonsuuelwely mvuse pasl trends in wales delleus,