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atl~Ol"l~le lat• a1te ...

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FIG. 1·3A

Location of transects, experimental plots seed traps & trays

Experimental plots Seed traps Litter trays Transects

Rf Rainforest Tl

}Mixed forest T3

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METRES 0 10 25 50 75

FEET 0 50 100 200 250

'1,.

Nothofagus cunnil'1hamii

1\

Ath!!ros~rma mosehata TDicksonia antarctica

Fig. 1. 4. Profile .. dagram of transect in temperate rainforest, Road 7, Florentine

Valley. Transect 50ft. wide but Dicksonia shown for central 32ft. only.

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Fig. 1. 9 Profile diagram of old mixed forest Road 10, Florentine Valley, Transect 50ft. wide but Dicksonia shown for central 32ft. only.

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Fig. 1. 11. Profile diagram of transect in mixed forest, Strn., Florentine H.oad, Upper Tyenna Valley. Transect 50ft. wide but Dicksonia shown for central 32 ft. only.

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Fig. 1.14. Forest of Eucalyptus regnans and .~.J.;YHRtP,~tL~ burnt in, 1934. Dead trees are regnans and large trees behind them and in left foreground

are~ Large saplings (50ft.) are regnans with some~

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Fig. 1.15. AGE NUMBER OF STEJ\iTS relationship for regnans. Information !"om plots established by the For. & Timber Bureau (3) For. Commission (26) and Gilbert (3) in central and S. Tasmania. Plot sizes varied from t ac. for young stands to 1 ac. for old stands. In 3 youngest plots, stPms (numerous) less thnr zt" diam. not included; on next oldest, stems (many) less than 12" girth, not inc!Jded.

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ftWitall . . ~- . . .

----~

Aaatnlta aPJal'e8tlr

k8a

ae ... _ . _ _

. - t

ta

ta.

tate~-. Jtla_.. ( tB2)

•••ta

hat

aa

. . . - •• ll.lti88 . . .

a.ttat. ....

. . ,... . . r.r ee&r . . . - .... ftru - · . . Atria •

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Wid.* la

'IJUat _.,

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lllaJ

(t~Jl7). ~..-..

(ttJ6), ...

al (ttltl). ttl._.. (1951). fteMa

(tNl•

08

ta. ...

1.aa

et , . , . .

.. -

_ . . . .

AUtata~ta r~.n~.._

Jlar-'

a

paM Ia

tu

Wl&la a l

_Ja._ea

tt4 ea11

lf.I.BIR-11181

plalu Ia ralarerMt • \taaaltla •118 • • . . _ , (1tll). Jlav (1U7). lla ... 1 N•f"OI'UtatlU at' atll

•l*d.ar•

la alawel

1W ,...., ..

llldlarlJ' M tile "-file eoaat

at

Aile'S . . ,

f"lra llaa ~tetl attaiiJiteRt. oU.s atatu f81"

Ml"tafB

•Sat

b a t t ! - -

!Bd

f - . t a (AD• ( 1

. _ (1950), Ltat_,. (1932)). Ia 8011tll-aaatam 1.

ru.a

haft

•tatal.u4

a..

Ia • ._.. wlttl

87

7MH• :leWle~at

tile lafleeaeeaee bade 1a ull•

--·CJO.,~·-~. 1a,ftv14a1 ,_.. __.., f t t a 7eal" later

Tile _ . . 1t.-• • YU1ll1e 'lletere

7aar Ia: f'l.-rile o__. 'Rt at

ea:pp;lle etwlwla a lkllenr,

tr

1D ot aN&a lW &msr:Detn

e011pee

or •••

f'elllllfl date.

1aap.ote4

tut

tr•

41 . . . t1e rll1lPa:AM!l:S . . . 1 .,.,.l:011!!'18B

"" "'

lli •

..

..

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..

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-41!

It

.,

10o0. flewe~S.ae hal oocnar.re4 1Jieaia117 in the caaee, althOQSh a few flowera hal appeare4 on moat tr••• ia all

:roar a.

Ia tho IMMU foreate

a

were

1952/W56 pattora waa fatla4 1a ataa4a ot a•.!f~'~"'•lPA1!i

all4 there ia eY14tVule, 1rllioh will be ...

,..,.fi

tlowe:r1aa ta eYea •••

••• ;v•ra 1 It 1a

tut the

to a •hl't!ul ot

for ataa4a ot tbe . - .

flueaoe out tree,

oolltrola, aiob bl'iq aucb iato

Attaoka bf· Qbl~R!I!6&~1 oa at leaat eeYeral

••••• ia the J'lorentine Valler iD ot 1

onae4 a ohaqe 1a the 1954/,6/51 t'1nor1D.I rhftbll. 'ftle

'beetloe ebewe4 #Iff moe t of tbe pow1aa Upa ot t.b.e euea!pte

ad i.a u11a of the leaYea •••

•••11

70W'll' l.t1or••""" oeue w4e frOM wllieb ••• to eome the flower• ttae 1

•••••· Jew leaf,- uoot• appeared on

on , in 1957, illfloreecence w4• flower in 1959. trees which ha4 a 1953/55/57

flowex•ins were DOt greaf¥17 tllffeoted aa the eaoenoe compoaeate, at beainniq 1 bu4a on a a ;rear so lees 11k•lf

Alte!'nate

1D o thsr tr•••

nave been iave•t

to }aye

tom of

1ftfler-•••

S"aiu at

98

&CQtb-weat

99

' in

aee4t.eesua1lu - · - , · I iM f'sll

111aa..t liNI•

(t)

taaa

la tS..

eat

tw~atioul

• • • 111'

•evfd .rter •••

l&tert'al

or tlae to

••a«•li'·•,Jaet84 poa1t1oaa

-·

(I)

eo·ats

ot IMfl, ta11U. lato •ta,ioMIY

SPIIltNa lJea•fk • • \r088 fif ... , t.at.Pftlla of ' - ' • • • _._..,.

1'09181' . . .

ftle . . . , •• " ' ... .

Ia wallial esrtala ~elilletle ~:.,, •• ,uteti.OI~a

•••••

4etel"111st

. . , . h11

eata la eae'b

ia •P~••

••

-ratio

•••

fln4 ••

'"

DPa~ t.lea l.a

Ia

:reuo

.

..._.

'f"a1"11H111l&

llll.lllia.

~-·

- .,.,_

bawtii.M . .

I - U •

t.rt.

•••&•

abat&M

Ill

a:w••

ot

...

_{... ,1 • •}

,

_{,, •••}

• tw

tre•atenat

tllti~·· . . . . 1'81184 (Sl)

Fig. 2. 2. Seed-trapping area Road 11, Florentine Valley. regnans 250 ft. high, are 750ft. from camera. Age 150 years. Understory of Nothofagus cunninghamii & ~­

j)erma moschata. Logging by high lead, Jan. '56. Photo March' 58. Few Dicksonia antarctica amongst Erechthites prenanthoides.

?-""

...,::,;..;,._:::..,_

[image:115.836.91.716.49.447.2]

[image:116.516.61.502.61.666.2]

(1)

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luta1ls4

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.,.

I'M • • •

Qll&lll,. 1t tal•lr ••tala

Weft8 a" OOI!Iee.l'ftii~Cl

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105

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II

SEED IN CAPSULES

D

FREE SEED

0 2

2 •

UJ

I I I I

UJ I 1 .. 0 I

fJ) Ol 1 . . •

Feb I I I I I I

10~& 1957

Flg. 2. 4. Pattern of the lVONTHLY RATE OF FALL OF SEED (sound plus chaff) AND lVATURE CAPSULES into fixed trap north. Trap area 1/4400 acre. Seed separated into that which fell in capsules and that which was shed while the capsules were on the tree.

Eucalyptus regnans, Road 11 Florentine Valley.

NORTH TRAP

~ ~

0'::1

~ 30

~

...._

Q.)-.C:<

a: a: 20

1- ....

(/)

~ 10

:::> ~ <( u :r 1-z

o,

~

-

Q. < a: 1-J: C!) ~ u 0 UJ

tM

Feb M A M J ' .

1956

SOUTH

TRAP

(LITTER TRAYS ROAD II)

II

SEED IN CAPSULES

0

FREE SEED

I 957

Fig. 2.5. Pattern of the MONTHLY RATE OF FALL OF SEEI , sound plus chaff) and MATURE CAPSULES into fixed trap south. Trap area 1/4400 acre. Seed separated into that which fell in capsules and that which was shed while the capsules were on the tree. Also shown is the pattern of the mean monthly rate

of fall of mature capsules into three litter trays in a nearby stand. Eucalyptus regnans Road 11, Florentine Valley.

~

e

[image:120.842.151.763.45.444.2]

::r:

....

30 20 10 400

~

3

~

I

~

200

....

~ !:c

~

0 0 UJ UJ

(/) 0

108

NORTH·EAST TRAP

Seed in capsules

D

Free seed

M J

Fig. 2. 6. Pattern of MONTHLY RATE OF FALL OF SEED (sound plus chaff) and MATURE CAPSULES into fixed trap northeast. Trap urea 1 I 4400 acre. Seed separated into that which fell in

[image:121.516.51.444.73.673.2]

109

1j

lttiJO!K .. :- II liiiiD•

fte IIO~tthb' rate of eatoh of t'blt aora tl"aP

t'IDUd

tnm

0

to 50 (P1a.l.4) While tllat of the antla ti'SP &Mnii!A

from 71 to 141 (1'11.1.5)•

llarke4 oba10a la the . - u t of MM falllq

in oapalh lato

the • • •

trap wve Na:»eaai'llle tor these

41var,••••·

Jlo oleu aeaaoaal patteJ'a

et

tall waa ..-t.4eel

la the oatellel

et

the .aertk t•ap (1'11•111'4). patten

fit

peau

la ._,. aid A•.-t " ' ' ' •tth a ·1aw , • .._,

sa

1•17

wae ~'*•'•• IOitewlat

1•••

•tnqlJ,

b

1

,!.1•

:ta •••·

tr•u•t •1tl tllla ngpatioa of. a reovrlac

•••••1

,

"• loweat ntea for t wbole were .1Ul7

»eoe~lter ' ' ' to laauarr '57 JulJ '57. ra·le

for »eoalier '57 to '58 waa aore

for till 12 cuwller.

it wft14 upeotet t a ata:IA '""·~•n

tlewertl well t.a 1f,_ aa4 19!'

nt

••rt

..-l7

.t.a •at aa4 1957 wo1tlt • • • aa a~UN.el :cuattera of aeet tall, if •••

ed.ate4, ftlMztiiiPoaet

uea

a 1.S.erm:1al rllr'tlla. !be Yalu••

tor

the aouth trap (PiJ. l•!i)

CQPO:ar

to follow auoh a treJUl

with P-.k ratea fit tall in tbe .__.. of 1955/5& alA

1

957/!JI,

low to ••·xh~trl.te 4'U"lJC tbe lateneaillfl

Je~tod•

rirare

2.5 ahowa tbe •••a aua'Hr ot ••ure

oapaulea talliDI meath per trar into tbrte 11tter trare PQt 0\\11 ia fihe efiu4 1a wbioll the lOUth trap 1a

expoaet. the up~Ulea w•re ai.Dlr frera the aa4 t'lat rlltt ot tall waa tair.lJ rel'llar from

110

,.

••1·•••

'

hla peat le iatiati'fttl ot t

'*'•••..a ••••

tall

apnlu \lndlr oee;ve

iq • • te la -.e»iaa

•t.••

a ._lemda1

et eee&. ftle nte fall oaPIIIlaa t.ato

•••»

.-ec armal tealael•·

It le

•

(ll)

----·-1••-

ill OQMil., . . . IIA~ii'WII

troa

teW.p

111 • • eta:all

--~U'u f'o11 l.a ee.-J,OitJ WR a

111

,_

Jo. •••• - tree tall

la eap•l••

114

lftrtll6 . . . .

115

40

....

1.1.1 30 1.1.1 ~ ..J ..J c( LL LL

0

UJ

u

z

-<

t-en

0 20 10 0

0 2

TIME

116

3

SECONDS

Fig. 2. 7. TIJVE~DISTANCE RELATIONSHIPS OF seed bearing CAPSULES, sound SEED and CHAFF of Eucalyptus regnans measured in still air for falls from a position of rest.

[image:129.512.54.497.87.774.2]

.11.7

250

I-w

w

lL 200

w

_J

::::>

(f) 150

a.

<(

u

LLIOO

0

I-I ~

w

I 50

11.8

_----7

k

M.P.H.

I

_/

_____ I

/

I

_/

SOUND SEED - - C H A F F

Fig. 2. o. DISPERSAL OF SEED. Theoretical limits to which sound seed and chaff of Eucalyptus regnans will be blown from capsules at certain heights, at certain mean wind speeds. Terminal velocity of sound seed II·A ft. I sec. and of chaff 9 · I' .ft/ sec. For the conditions at Road 11, Florentine Vnlley,

[image:131.520.44.461.56.624.2]

120

(

fall

-

a.. ~ a: ...

-

..J ~

g

1-::r:: (.!)40 ::>

<

u

20 0 UJ UJ cJ) 0 •

..

•

. . .

....

..

• •• ... 1 .• ...

.

... .

.

.

·-·

....

..:.

...

.:

...

0 100 200 300 400 500 600

DlSTANCE - FROM SEED TREES

Fig. 2. 9. DISPERSAL OF SEED. The number of seed (sound plus chaff) of Eucalyptus regnana caught per month per trap at certain distances in the south east from an edge of seed trees at Road 11, Florentine V<>lley. Trap area 1/4400 acre. Catches adjusted by the ratios of mean/actual catches of fixed trap n6rth.

FEET

~

l.'\!J

[image:135.839.30.834.59.443.2]

123

IIIII

IIIII•·

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d'lllltkt.S la - . . , ...

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t til-It tlw ' " " ad ltH

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110

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fit tall lat. ta.A

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