nny speeles nel nameseed (or when pn-darors hay!
been nemayedl enn expand numbers so llnal ranaelands
are badly damaged when suelr damage eeeurs. insed
plagues may x-rsult "Camdlall workers laund a dlred
mnelanoa beeween range depleliaa and grasshopper
ourureales" lsreddan. l sl. and rangelands rnlesred
wnh geasslnappers, plague Itxusls. ar manendn rriekers
ean lose an nl lnelr bmwse la inseees nus rs a severe
mduumn m lllrs|o<k pmdneuon We eleaely see um
inseer plagucs are a mflecliom a1 plxlr mangzmenl. as us
are drsappearance n1 prelerred plank spec-es lrom
nus:

Even rnseers are usable and M exeellenl pm" value.
and ban. llih. gurnea Iuwl, nr |uxkey§ an range are
emcwm eanuerrers al plaene ulseds mm usable
pmrern nus, an sunalalerange. nan ponds, wateHnwl,
and .meedyanaus bud flock! beedrne muegral In range
nranagernenr and plague sonnol. Weelanda and pdnds
need la be crealed oe presened lar rrns lawn alune. I)
not alarmed by eange birds at llan, inaeee popularrans
can rnemselues be cropped as parl nl eaneenlrared
leads ler ulhln azupuble load spews ln Bolswana,
the drouglnl namesr el laeusls ls mounled lhv wllghn

 

as laur llrnes me mad value ulsmred grams

me plan. name an rang: nas a pmlmuld elleel an
the .nlnlrannn land sunsequenl nuer now! nl warer ln
lae hrs! 30 nunules arm-n laner wnrelr lnfllrnlinn mm
level off]

. I2% 01 rarnlall suaki m al 5-» vegmallvemvcr.

- l sol of ramlall malts m ar lssl vegmath-(uvcr

. I me n! ramrall soils m al 25% vegdillvamver

. ml n1 ramlall soaks m al 35% legfiihvemver

This AS rne elleer oi \rgemuon alone, hu| pernaps a
more pmlpund elleel l5 rlne reduenon 0) gal) pare space
by |ramplmg ln 50ml: deseel areas al senreal Auslnlla,
I ennld "0| lllld a square merer 0! soil Wl|huu| a mm
deep hoof Impnm Ann only 9 years n! flocking on
range, sladdan (lossl eepnns lnal soil pdee spare was
eedund “'7: ln me my rwa rnenes or sell, and aw. m
me lower 2e men deep hyex ol sells Inhllmhml land
rem now as earrespandlngly redured, and mnul!
carmspondingly lacreased, wuh resullanl soll luss.
Aennal figulvs are given lnTabk us

nus, up lo 6le- lrmes less water rs absorbed ey
eroded and dqnded range}d»ds.1‘hls nas a pmlounel
Inngvlyrm elleee on are sent”! nealrln at me nglml. and
m panreulae nn mnhnumg sol] loss, Handing, erosrdn,
and dmght

'nne pmpmllovl oi nanau m rnlal preelpnallnn Allele
elven as a persenragel and “l! allred lass ol seul ln
eunull vanes Amrdlng la range mndmnn, assessed by
herbage andrearaes .n male 12.5

As my raral planr mvn an rant, lmm awn a. la
needed |a rarally preyenr emsrnn seeddan nlnul neues
rlnar run—an waler {mm eangelands may eany Hm
slll by volume, and lnar in a new measured al l7,smx
warer/llnur, son 1 lm wnh rlne 1,750 l al sarll wnw ol
mguu: rnauer 'nus Slaggenng less .s drmlly due |o
pear range managemenl, and lap ollen rs so drasne an
all areas 0! llre waeerslud rnar u may well b: a eenrral

 

TIILE lz.s
selL was SPACE.

Grulng Son Pole Ruin lnllllrallan
condnlor. Sple- (x) (sum)

5119M

lumrrnmedl as r e u

Onlqlazm {NJ 2 ‘6

MUM by

Grumg 465 a 52

MILE 12.5

VEGFWIUN COVER, RUM—OFF, AND EROSION.

VEGETA‘I’IDN

 

 

RUNOFF son. ERODED COMMENT

"/0 ol lam Tm:
wneal grass In 0 am Suslainabla
(Good range drmaxl
Lupin and Naddln wm 49 5 use: Em sod crliuon
[my doplvlmn nl rang-l
Annunl mm. grass as 5 was ’Wna‘ gran nous tall

Mum lrnal dalanmlldn

AnMIl weed mains so a 3 094 Almnsl equal la lassas

undel plough cullun