Studies on the succession and manipulation of chamise brushlands in California

126 Pages·016.787 MB·English

by  Hedrick, Donald W

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UMI Number: DP16373
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2*Hf' m FIGCRSS
. f*®t
. ■ . .
U A gtaontl afta* of ths experimental aroa , . , . * « , * . , IS
ft l*k*rr«pta4 monolith* tak*n *fc iifftttifc itfih* In tho .
prtftlaa of Boiiut® aM Mymm colls la I*fce C&aaty*
lelloeboa to 9M «i««r It Sari Storio of %b» UniT»r«ity
«f QUlfaniU « • # # * # * * * # * » * # * * * * » • * * . . If
I* Prooipitation &M ataa aji4 na&a nut ftf ir*^
tefflBBiBr&turBe fur J&leonorfe in *en»aro4 with
4t ■ fvaaiftfrftfclan msct jHMtti. wiwrtMBii wul sdim istinisttisi
S*EMIfB%ieNNl fol* lifc]MI#f% in eo*ftB*r*d with
.
avoraga ' « • » * » • • * « * » • • » « * « * » * • * • . • « If
'!«' uttPM am *«t» jWMW «»aae4pB«a jumI «ri»4wM«a
,
toraperaturaa for Salaayttti ia 1950-51 ecrapare<3 aith .
a-rorago « .* « * • • . * . « » * * » » # • * . * * * * « * m
6. Ptiotograph showing oeaploto eonvaraion of ohanltt
brushlaiK1 %® gra«. fMs olsasgt w« aoeoraplishod by
burning fol3a*«<i % goat grating* fatem ©a Stlhhly
Ranch eo&t Xalagtat oa August 22, If!# ft
7* Hatribatloa of the oteiparral Maaalatlaa by eoologloal
ft gloat * Sojprof Dmm Sampson (lfMt)* * * * * * * #' * fi
• • sit...w 9HPM■Wfc-jfr’ 'Wtw PWpjf e^TMimiHb^^ijiwpOSfe^?bOwMi^-4atuiall.4raSt S irmf tmtiw iff El v-aHmih JlfeH *** -*«■ *P|i
fiim eimmrral rofiosa shorni la Fiesar# 7*
S^roSaoof froa Samfi^i (19^). » ♦ ♦ « • 35
.ft fho aimf brash eonar oa th» lafl it typital of north
eatpoeures ia laht Soaaty* 4 atariy part ttaaft of
thMitt with wdgoloaf ooaaothas tai Stwifora
vt&b* 6. Eolthly laaohp li&roh 9, 1951» . . . . . * * . hi
10* <%a»ls« hiathiaai' ia «ha Boalto Ooeaty aaAlstarhwS for
PNlAS jwar*. fh t oxpoauro on tho laft it ho the •
taafchtfttt* s *iit tfet aloft m tho rlghk fatta aorthmot*
Phoiograph takon July 18, 1950. h5
&
CJ 197121
o
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m t m fxm m ■mm*
n & m • . .
U* Brush rsmo-ved at dm of t*©m*eet number f to shew the
' $Ptwad «*w e» the eenttMftet exposure ©f the 90»©dd~
y*©r*©li ©teai ©£ etoni©©# A pencil »ark© th# ©get
where a square-foot litter sttgl© ©as collected, .
ftottftgregii ism tofcen duly 18# lf$ § * # # * * * - * # « * « #
IS# GrmvA wmr at sad of iran#e©t masher 8 cm a©*tlai*et
exposure. White Bag ob pencil indicates leoatien of
a Utter ample. ft^egragh ©am takes lb}; 18© 1950* # ©
13* Photograph by W. S, Cooper ia Iflfe© s howl eg a
©hands© tooth fl#M m Hit Biablo la Confix* Cost*
County * *
H4.. Photograph by H. n. Risrwell ia %009 showing mm
©toads© brush field m figure %% Hate the apparent
stability here la- the past years * . . «■ * # * • * « .
15* Ffcetegreph taken is. the edit of * ehftiatee toesh field in
Iaka County. toft© tie stomp asd sprouts ©# bine sale
IJk Bjiwi tS^h©- e ■r#©e II rei#* g• ro1^ um^ JS M®m®Ww# ..© «^*esei'yMM. rBMifciu.il rrcifc uHi#inj.il' 3a0'*e—' a ■ ©o*- —j —> ©— toads©
brush. In eontras b t o fi,g«r®# if and l?n# tide
ptoteg p h SMleates the omtomhmnfi ef.ehasS.se .late
16# Comparison of density cf herhaeeous @©f©r « area* where .
the brush ski nederately tense (grasses net e ll ©hofeed
out before the fife ) antf dense (grasses nearly »U
ohokef owl befer© the fire) truth, both protested end
grated* the upper pair of lines are for tin moderately
danse bmmk m& the lever set ere for the dense brush
areft # # • # » « # # • * « * # * * * # # • # • » * • • *
17# Effeet «f heaiy ietr towsing end retainiat on h *l# t ef
ohaaise sprout js in USm County
IS# Uteet of tlffereat decreet of utilisation % ©beep eni
deer ©a height of ©band©* eptwate In helm ®»*saty# . * * •
If# Photograph taken on the study tree shoeing the ehuudftacse
©f nnipteef ©*a»**fcftft plants (darker color) on the
left# OB the right only a faw ao&tterad plant© of
©toads© end yerba e*nta, both epventere# renal# in the
are* which toe tarn returned twice . . . . . . . . . . .
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l»J8f' OF ySPMMI
#*|pPp m m
■
20, 6©»yari««R «f haiMaous Mgpafcitft by M alty alassst
on soaltrol lisytslB 4;*% '.til. ©yenoi'^uyif ssyssb usbsrssl
obaraie* brus bland* in tm * County ?9
iu a ’bvoleal uabteni of1 ban»d unburaiKdi atrins left ter
. wr^ar W'W'PRSp Wm ^PFP. *w ppBF ’w PSWW. ■ a .y , 'W1 ■!. FragF
m ^W$¥&3k*Mm ZlvPm ZM wmKBmmm PWPIx&% #WWgpP8$H&
tahsa oa ®* KaUhly SSwsii ia tils# M aty* Hay 1ft#* , . • 61
Haeresaion af «mnih«, «#* Smash .eawmlMiiuMi «« ##©%
22. no r
ppm.-jHMP.. ©e orJBesoeieeo^ awa, ■pe^wiPPer^FW, aaa, f, aa^aa
denaity «f herbaceous » w M b ff f»r ©•»% «fsfli«M t
M i* From 4*1* obtained ia Lake County. . , * , . . . . 91
.
23 A band oloaring lisle ok tl* aoutb exposure of a f M U #
%m*b3*a& la Ww County, fh* eltsriag astreti bht
staters. wa# M ia la tft* fa ll #f 19|$* jm4 M fartbest
im M y •! 1# * «»ls*$r*fi* im taka* Is ©ebober 191# . • #
m*
A bolldoebd trail along a ridge on SandB Hanoh, f#$*
Vall*yt San Benito Geuafcy* Brush wwr #f t
obwaUe, California sage, wodgeleaf oeanothua, and
wern'b *efr- Ifer'b&sdsua eesr of «dM *«mw*i«. fM t
tret V8UK not «»*i«4U Photograph taken os M y IB*
1956* • » , * * * * « * * « * * ' « » e e * » * « e » e * e ft
a»*i»enw<.iiiiifct oiooyiw* »f ohtmlae brush an E, I* liymta
. p *
llRBMgppeiMlinSSMtr©een(K'> tFtIPfW■■**©►.w ep*»■ Hr*l% ■ W e*P •PS*»W*W? PF- .™w.:**wf*. ■ Pr*** ~P . Pw - "hfifp ip. w*flP,
Hanoh near Plm&olea la San Bonito County. The M ali
' |« bulldo*ed, w M 1st* wlairwt* and them M sai,
tbit «Ma ms as% sssiti «»i It being laft +*
ro-Mgttat# naturally, Photograph sa* Mesa M y 49*
i w* ♦ * # . . , , * * • * ' # • * * « * * # ♦ # * * * • * * » $$■
.
26 A e&atrollod tasns la «, bras l^aad on tho *waiMitt.«aittitaiL<l
pw ^.'VrWIWP'PFiP.>0*7FPP *^FaWPp .BP epIFW F „P PPW iPw PMPPeFrW^Fp :
mm is M s ©sasiy »sit la ifcy IpO* ' l» aM tal
jssasssss »*ro needed. Wlr# mm sat by a paoMatie ftaa*
thrower . . . . . . . . . . . . . . . . . . . . . . . . . ldj.
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t.rey JABLES
Tabl* ■ ' ■ ■ **#»
I* P*r oent of tfe* iroody vegetation on the study area
occupied if tl© 16 »©©% mmm Wmm speoiea • * * * * • H*
i* Results ©f fertili*©© put t©«b« on to il* of ©tad©©
.
brushl&nd wtwft VpftgftM I* used as an ladieater
plant ♦ . * * * * * « •: $7*0
ComposzUm of ohojaia# brushlands In l*ke County * * * * * W
h
k. Composition of a ©Iwala© brushland la dan Benito County * * i«S
Composition of the bmah oowr aaMi weigfet if litte r
■ f *
essspiei la a 9C>-od<i-year-old o hernia* hraehlaad la
San Benito Cotaity . . . . . . . . . . . . . . . . . . . . 1#
e«spari*©» of e©*apeaiti@» of th© brueh ©©e©r in i m rifli
i t
of litte r |» different *9© stand* of ©ftaal«© ia Saa
Benito County * • « • « * •.* * * * * * « • « * * • * * * 50
Somber* of isatur© plants and Irael seedlings on wmmmlm
?*
tra«*©©b m ©a*t ©*p©»iir©* Ml-aore flat number mm £•
on the ©pMlt ©aft of the transect ia ohamlse brush,
whereas number 1$ Is at t it lower ottl of woodland-grese.
Entire transeot was burned September 191+9 * • * « • • « * 57
i# mtimm of aatiir© plant* and Irani needling* ©a naeeennlea
tftaneet on south exposure. Mll-aer* plot number fa© In
©11 the uphill end of the transect 'la chastise brush,
whereas s&mber 15 1© at the lower •aft la w©dlaaft*gras*« ^
Except for pft*ta h, 5* and 6 area ©an burned September
© • • • i • © O • • « • » * » • » © • • O • * * • 0 58
Effect of intensity and season of lura ©a ©I© randier «f .
.,:f*
brush *©»ilim®**^l«®ifally •!*«&*** and a few other
. rMar^agrain*air©iKaMJl©M*-.*tinMPiindall wjjfer’wat'W^ ^1ft A* * * “ * * “& m“ m“ Wm m* #* a“ “* ' a“ •“© “. ‘ “ : ©*f
EITeet ©f a refetsra ia feUttag mature ehasdse plant© and
» •
seedlings of ©tad*© and associated species . . . . . . . 65
Iff net of ©©tramdag on nature plant* and seedlings In
II* '
©band©* brushland. lata fre® 1*2 ndl-aore plot* on
each area &f
m
rntmm ©f rebuming on f©©©© * * * * * *> *. * * * * e ©P
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