BIODIVE RSIT Y SURVE YS, SPRING 2018 PRE PAR E D F OR CIT - - PowerPoint PPT Presentation

PRE PAR E D F OR CIT Y OF R YDE BY APPL IE D E COL OGY P/ L

BIODIVE RSIT Y SURVE YS, SPRING 2018

I NT RODUCT I ON

Pre se nte d b y Anne Ca re y a nd Dr Me re dith Bra inwo o d, Applie d E c o lo g y P/ L

OVE RVI E W OF PRE SE NT AT I ON

 Pro je c t b a c kg ro und a nd c o nte xt  Surve y me tho ds  Surve y re sults  Co mpa riso n with pre vio us surve y

(Bio sphe re , 2008)

 Where to from here…  BI

ODI VE RSI T Y GROUPS:

 Avia n fa una  Ma mma ls  He rpe to fa una (re ptile s & fro g s)  Mic ro b a ts  Inve rte b ra te s  Na tive flo ra  Intro duc e d flo ra  Ve g e ta tio n c o mmunitie s

PROJE CT BACK GROUND

 Pa rt o f a se rie s o f flo ra a nd fa una

studie s fo r City o f Ryde L GA

 Main aims are “standardised baseline information” about biodiversity of

re se rve s

 I

nc lude s ve rte b ra te a nd inve rte b ra te fa una , e nde mic a nd intro duc e d flo ra

 Sta g e 3 (2008) fo c use d o n sma lle r

re se rve s in the L GA

 I

nfo rma tio n a b o ut spe c ie s ric hne ss a nd a b unda nc e will info rm ma na g e me nt

decisions for the reserves…

PROJE CT CONT E XT

 BI

OSPHE RE 2006

 Brush F

a rm Pa rk, Da rva llPa rk, L a mb e rt Pa rk, F ie ld o f Ma rs Re se rve

 BIOSPHE

RE 2007

 T

e rrys Cre e k re se rve s, K ittys Cre e k re se rve s, Buffa lo Cre e k re se rve s, Me mo ria l Pa rk

 BI

OSPHE RE 2008

 Othe r b ushla nd re se rve s

 ANNE

CL E ME NT S & ASSOC 2016

 Brush F

a rm Pa rk, Da rva ll Pa rk, L a mb e rt Pa rk, F ie ld o f Ma rs Re se rve

 APPL

I E D E COL OGY 2017



T e rrys Cre e k re se rve s, K ittys Cre e k re se rve s, Buffa lo Cre e k re se rve s, F ie ld o f Ma rs a dditio na l q ua dra ts

 APPL

I E D E COL OGY 2018

 Othe r b ushla nd re se rve s

APPL I E D E COL OGY 2018

 Qua dra t surve ys (20m x 20m):  T

ime d se a rc he s fo r ma mmals, he rps a nd inve rte b ra te s (2 pe r se a so n, a utumn a nd spring )

 De ta ile d flo ra surve ys inc lud ing % c o ve r

c la sse s (Bra un-Bla nq ue t)

 Ge ne ra l surve ys fo r re se rve s to de ve lo p spe c ie s

ric hne ss inve nto rie s

RE SE RVE AND QUADRAT L OCAT I ONS

SURVE Y ME T HODOL OGI E S

BASE D ON ME T HODS DE SCRIBE D BY BIOSPHE RE 2006-2008

QUAD 20 MI NUT E T I ME SE ARCHE S

Ha nd se a rc hing / liste ning

 He rps  Inve r

ts

MAJOR CORRI DOR NAME QUAD SE ARCHE S

NORT HE RN 6 WE ST E RN 2 SHRIMPT ONS CK 2

PARRAMATTA RIVER 2 OT HE R SE AR CHE S



F ish, tadpole s, mac r

• inve r

te brate s

20 minute dip ne tting + o b se rva tio ns



Inve rts

a d ho c o b se rva tio ns during o the r surve y a c tivitie s



Mammals +

se a rc he s fo r e vide nc e – sc a ts, dig g ing s, ne sts e tc .

MAJOR CORRI DOR NAME DI P- NE T T I NG/ I NSPE CT I ON

NORT HE RN 2 WE ST E RN SHRIMPT ONS CK 2

PARRAMATTA RIVER 2

SE ARCHE S F OR E VI DE NCE

 SCAT

S

 HAI

R

 BONE

S

 SCRAT

CHE S

 CHE

WS

 DI

GGI NGS

 PE

L L E T S

DI URNAL BI RDS

L iste ning, dir e c t obse r vation

NOCT URNAL BI RDS

Spotlighting/ liste ning Call playbac k

25W me g a pho ne , sma rtpho ne , 50w spo tlig ht

• Ba rking Owl (Nino x c o nnive ns)
• E

a ste rn Ba rn Owl (T

yto de lic atula),

• Ma ske d Owl (T

yto no vae ho llandiae )

• So o ty Owl (T

yto te ne bric o sa te ne bric o sa)

RESERVE GROUPING 20 MINUTE QUADRAT SESSIONS PER SEASON ADDITIONAL BIRD SESSIONS NORTHERN

6 25

WESTERN

2 8

SHRIMPTONS

2 8

PARRAMATTA RIVER

2 33

SPOT L I GHT I NG

 MAMMAL

S

 HE

RPS

 NOCT

URNAL BIRDS

 F

I SH

 I

NVE RT S Spo tlig hting wa s unde rta ke n using 50- 100 wa tt ha nd he ld spo tlig hts a s a ppro pria te whic h we re use d to swe e p surro unding ve g e ta tio n in se a rc h o f e ye -shine o r a nima l mo ve me nts. T ime wa s spe nt liste ning fo r c a lls a t 10 minute inte rva ls fo r 1 minute . Cre e ks, so a ks, surfa c e wa te rs we re inspe c te d fo r fish a nd fro g s.

MAJOR CORRIDOR NAME SPOT L IGHT I NG SE SSIONS PE R SE ASON

NORT HE RN

2

WE ST E RN

2

SHRIMPT ONS CK

2 PARRAMATTA RIVER

2

OT HE R ME T HODS - HAI RT UBE S

 MAMMAL

SPE CIF IC

Co mmo n Brushta ilPo ssum Bush ra t

RESERVE GROUPING TARGET EFFORT PER SEASON ACTUAL EFFORT AUTUMN ACTUAL EFFORT SPRING NORTHERN

100 126 498

WESTERN

50 75 156

SHRIMPTONS

100 166 192

PARRAMATTA RIVER

150 168 250

CAME RA T RAPPI NG

 PRI

MARI L Y MAMMAL S RESERVE GROUPING TARGET EFFORT PER SEASON ACTUAL EFFORT AUTUMN ACTUAL EFFORT SPRING NORTHERN

40 145 200

WESTERN

40 40 52

SHRIMPTONS

40 49 49

PARRAMATTA RIVER

40 32 50

MI CROBAT S – SURVE Y ME T HODS

• 1. De plo ye d a t fixe d

lo c a tio ns in re se rve s fo r 5 to 7 nig hts (de pe nding o n we a the r)

• 2. Ca rrie d thro ug h the

re se rve during spo tlig hting surve ys

“ANABAT” BAT

DE T E CT OR



Re c o rd s hig h fre q ue nc y so und wa ve c yc le s to pro d uc e a c c ura te re pre se nta tio n o f b a t c a lls



I mpo rta nt info rma tio n a b o ut sha pe , slo pe a nd c ha ra c te ristic fre q ue nc y is use d fo r id e ntific a tio n



Re c o rd a nd/ o r re a l time mo nito r

MI CROBAT CAL L S

F ro m: Ba t Ca lls o f NSW. Pe nna y e t a l, 2004

INSE CT NOISE CHOCOL AT E WAT T L E D BAT

• CAL

L WIT H INSE CT NOISE RE AL T IME CAL L INSE CT NOISE F IL T E RE D OUT – RE ADY F OR IDE NT I F I CAT I ON

I NVE RT E BRAT E SURVE Y ME T HODS

 T

ime d q ua dra t se a rc he s – 2 x 20 minute se a rc h e ffo rt pe r se a so n pe r q ua dra t

 We use d a stra tifie d a ppro a c h:  So il a nd le a f litte r  Unde r b a rk o n la rg e tre e s  In fo lia g e  Unde r ro c ks a nd lo g s  Oppo rtunistic se a rc he s, inc luding :  Dip ne tting c re e ks  Se a rc he s o f unde rg ro wth fo r so ft

b o die d o rg a nisms

 L

ig ht tra pping using nig ht lig hts fo r two e ve ning s

F L ORA AND VE GE T AT I ON ME T HODS

 SURVE

Y ME T HODOL OGY

 Ra ndo m me a nde r (Cro ppe r,

1993) surve ys to de ve lo p spe c ie s inve nto ry fo r na tive spe c ie s a nd intro duc e d spe c ie s

 Gro und truth ve g e ta tio n ma pping

(OE H, 2013)

 Bra un-Bla nq ue t c o ve r c la sse s fo r

spe c ie s pre se nt in 6 q ua dra ts, 20m

x 20m (based on OEH’s VIS survey

me tho do lo g y)

 Re pe a t surve ys in a utumn a nd

spring 2018

Area Park Name Area Park Name

BANJO PATERSON RESERVE BOOBAJOOL RESERVE BENNELONG PARK BUNDARA RESERVE BILL MITCHELL PARK CHRISTIE PARK BREMNER PARK FIELDER PARK GLADES BAY PARK KOBADA PARK KISSING POINT PARK MARSFIELD PARK KOONADAN RESERVE MYALL RESERVE LOOKING GLASS BAY PARK NORTH RYDE PARK MALLEE RESERVE STEWART PARK MAZE PARK TASMAN PARK MEADOWBANK PARK TRAFALGAR PARK MELROSE PARK WATERLOO PARK MEMORIAL PARK YURRAH RESERVE MORRISON BAY PARK DENISTONE PARK PUTNEY PARK LYNN PARK SETTLERS PARK MIRIAM PARK TYAGARAH PARK SYMON’S RESERVE BOOTH RESERVE ELS HALL PARK FLINDERS PARK GREENWOOD PARK QUANDONG RESERVE SANTA ROSA PARK TINDARRA RESERVE WILGA RESERVE

Parramatta River Reserves Shrimptons Creek Reserves Northern Reserves Western Reserves

RESERVE GROUPING 2018 2008 SPECIES IN COMMON OVERALL

111 94 75

NORTHERN

80 55 40

WESTERN

45 54 23

SHRIMPTONS

49 50 27

PARRAMATTA RIVER

70 70 47

FAUNA RESULTS OVERVIEW

RE SUL T S BI RDS

RESERVE GROUPING 2018 2008 SPECIES IN COMMON OVERALL

5 7 5

NORTHERN

3 2 1

WESTERN

4

SHRIMPTONS

1 4 1

PARRAMATTA RIVER

4 7 4

INTRODUCED BIRDS

RESERVE GROUPING 2018 2008 SPECIES IN COMMON OVERALL

7 5 5

NORTHERN

7 5 5

WESTERN

2 3 2

SHRIMPTONS

3 3 3

PARRAMATTA RIVER

3 3 3

NATIVE MAMMALS EX.MICROBATS

Co mmo n Brushta il Po ssum Co mmo n Ring ta il Po ssum Gre y-he a de d F lying -fo x L

• ng -no se d Ba ndic o o t

Sho rt-b e a ke d E c hidna Sug a r Glide r Swa mp Wa llab y

RESERVE GROUPING 2018 2008 SPECIES IN COMMON NORTHERN

4 4 2

WESTERN

4 3 1

SHRIMPTONS

3 4 2

PARRAMATTA RIVER

4 5 3

INTRODUCED MAMMALS

5

RESERVE GROUPING 2018 2008 SPECIES IN COMMON OVERALL

9 7 5

NORTHERN

6 6 3

WESTERN

4 4 3

SHRIMPTONS

6 5 3

PARRAMATTA RIVER

3 4 2

REPTILES RESERVE GROUPING 2018 2008 SPECIES IN COMMON OVERALL

4 2 2

NORTHERN

4 1 1

WESTERN

1 2

SHRIMPTONS

3 2 2

PARRAMATTA RIVER

3 1 1

FROGS

Inve r te br ate sur ve ys

 T

ime d surve ys in 6 q ua dra ts – 20 minute s e a c h

 Re pe a te d in April a nd

Ma y (a utumn) a nd Se pte mb e r a nd Oc to b e r (spring ) 2018

 Spe c ie s ide ntifie d to

mo rpho type s, a nd a b unda nc e e stima te d fo r la rg e r po pula tio ns

Inve r te br ate spe c ie s r ic hne ss

T

• tal inve r

te br ate spe c ie s in quadr ats

Inve r te br ate spe c ie s abundanc e

T

• tal inve r

te br ate numbe r s in quadr ats

Mic r

• bats in quadr

ats

T hre a te ne d spe c ie s in re d

Mor e about mic r

• bats

 Mic ro b a ts ma ke up

mo re tha n 30% o f ma mma ls in Sydne y

 11 spe c ie s o f mic ro b a ts

a nd 1 flying fo x in 2018, c o mpa re d with 3 spe c ie s in 2008

 I

nc lude s 4 thre a te ne d mic ro b a t spe c ie s a nd 1 thre a te ne d me g a b a t spe c ie s

Ur ban tole r a nt spe c ie s

 Urb a n to le ra nt mic ro b a ts

a re c o mmo nly re c o rde d in a re a s with <10% ve g e ta tio n c o ve r

 Re sults o f this surve y

inc lude d a ll 4 spe c ie s de e me d urb a n to le ra nt:

• Gould’s Wattled Bat
• E

a ste rn Be ntwing Ba t

• Ride’s Freetail Bat
• White -stripe d Ma stiff Ba t

Spe c ie s in re d we re re c o rde d in this surve y

Str e e t lighting

 Stre e t lig hts

a ttra c t inse c ts, pro viding fo o d fo r so me mic ro b a t spe c ie s

 F

a st flying , o pe n spa c e fo ra g e rs b e ne fit fro m stre e t lig hts

Ur ban se nsitive spe c ie s

 I

nc lude s slo w flying a nd c lutte r to le ra nt o r c lutte r de pe nde nt spe c ie s

 Mo st se nsitive spe c ie s

inc lude :

• L

ittle Be ntwing Ba t

• L

a rg e a nd L ittle F

• re st Ba ts
• Lesser and Gould’s L
• ng -

e a re d Ba ts

• Cho c o la te Wa ttle d Ba t
• E

a ste rn Ho rse sho e Ba t

• L

a rg e -fo o te d Myo tis

Spe c ie s in re d we re re c o rde d in this surve y L a rg e -fo o te d Myo tis (Myo tis Mac ro pus) L ittle F

• re st Ba t (Ve spade lus vulturnus)

Natur al inse c tic ide s

 Mic ro b a ts e a t inse c ts

inc luding mo ths, we e vils, b e e tle s, midg e s, flying te rmite s, mo sq uito e s, a nd ma ny mo re

 Mic ro b a ts will e a t a ro und

50-75% o f the ir b o dy we ig ht e a c h nig ht – so me time s this c a n b e a s muc h a s 1200 mo sq uito e s e ve ry ho ur!

http:/ / www.a lla b o utb a ts.o rg .a u/ ha b ita t/

2 4 6 8 10 12 14 16 18 GL ADE S BAY K OBADA PARK MARSF I E L D PARK E L S HAL L PARK DENI ST ONE PARK T ASMAN PARK

I nve rte b ra te s a nd mic ro b a ts

inve rte bra te s mic ro b a ts

Ove r vie w of flor a and ve ge tation

 Ve g e ta tio n c o mmunitie s in re se rve s  Re sults o f spring surve ys - c ha ng e s in flo ristic

c o mpo sitio n in 42 re se rve s

 Re la tio nships b e twe e n flo ra a nd fa una , a nd the

ro le o f b io turb a tio n in e c o syste m he a lth

 Re a listic o utc o me s fo r ve g e ta tio n

ma na g e me nt in the se re se rve s

Ve ge tation c ommunitie s pr e se nt

 12 ve g e ta tio n c o mmunitie s in this surve y  I

nc lude s 4 T hre a te ne d E c o lo g ic a l Co mmunitie s

 And 3 c a te g o rie s o f no n-na tive ve g e ta tio n

• Pla nt_n: Pla nta tio n (na tive a nd/ o r e xo tic )
• Urb a n_E

/ N: Urb a n E xo tic / Na tive

• We e d_E

x: We e ds a nd E xo tic s

Ve ge tation c ommunitie s

 Dry Sc le ro phyll c o mmunitie s

• S_DSF

04: Co a sta l E nric he d Sa ndsto ne Dry F

• re st
• S_DSF

06: Co a sta l Sa ndsto ne F

• re sho re s F
• re st
• S_DSF

09: Co a sta l Sa ndsto ne Gully F

• re st
• S_DSF

10: Ho rnsb y E nric he d Sa ndsto ne E xpo se d Wo o dla nd

 We t Sc le ro phyll c o mmunitie s

• S_WSF

01: Blue Gum High F

• r

e st (BC/ E PBC)

• S_WSF

06: Co a sta l Sha le -Sa ndsto ne F

• re st
• S_WSF

08: Sydne y F

• re sho re s Sha le F
• re st
• S_WSF

09: Sydne y T urpe ntine - Ironbark F

• re st (BC/ E

PBC)

Ve ge tation c ommunitie s (c ont.)

 E

stua rine c o mmunitie s

• S_SW01: E

stua rine Ma ng ro ve F

• re st
• S_SW02: E

stuar ine Saltmar sh (BC)

 Othe r na tive ve g e ta tio n

• S_F
• W08: E

stuar ine Swamp Oak F

• r

e st (BC)

• S_RF

02: Co a sta l Sa ndsto ne Ga lle ry Ra info re st

S_WSF 01: Blue Gum High F

• r

e st

 Re po rte d a t

• DE

NIST ONE PARK

• L

YNN PARK

• MI

RI AM PARK

• SYMON'S RE

SE RVE  De sc rib e d a s

• T

a ll we t sc le ro phyll fo re st fo und o n fe rtile sha le so ils

• Do mina te d b y Sydne y b lue

g um (E

uc alyptus saligna),

b la c kb utt (E

uc alyptus pilularis) a nd turpe ntine (S ync arpia glo mulife ra)

• Gro und la ye r is va ria b le in

c o mpo sitio n a nd c o ve r. It ma y b e fe rny, g ra ssy o r he rb a c e o us

Blue Gum Hig h F

• re st a t De nisto ne Pa rk

S_WSF 09: Sydne y T ur pe ntine - Ir

• nbar

k F

• r

e st

 Re po rte d a t

• BOOT

H RE SE RVE

• BUNDARA RE

SE RVE

• E

L S HAL L PARK

• GRE

E NWOOD PARK

• MARSF

I E L D PARK

• ST

E WART PARK  De sc rib e d a s

• On the no rth sho re the se

fo re sts a re fo und o n sha le - e nric he d she lte re d sa ndsto ne slo pe s whe re iro nb a rks a re le ss c o mmo n a nd b la c kb utt (E

uc alyptus pilularis) is

pre va le nt.

• Ca no py do mina te d b y

turpe ntine (S

ync arpia glo mulife ra) a nd re d

ma ho g a ny (E

uc alyptus re sinife ra)

Sydne y T urpe ntine I ro nb a rk F

• re st

a t Ma rsfie ld Pa rk

S_SW02: E stuar ine Saltmar sh

 Re po rte d a t

• GL

ADE S BAY PARK

• K

OONADAN RE SE RVE

• ME

L ROSE PARK

• ME

MORI AL PARK

• SE

T T L E RS PARK  De sc rib e d a s

• Co nsists o f lo w suc c ule nt

he rb s a nd rushe s o n tida lly inunda te d la nd

• Sa linity va rie s g re a tly

a c c o rding to tida l influe nc e , e va po ra tio n a nd fre sh wa te r a c c umula tio n.

• So me o f the a re a s a re

flo o de d re g ula rly, while a t slig htly hig he r e le va tio ns flo o ding is ra re

E stua rine Sa ltma rsh a t Me lro se Pa rk

Wilsonia backhousia

Re c o rde d in Me a do wb a nk Pa rk a nd L

• o king Gla ss Ba y

Pa rk/ Ba njo Pa te rso n Re se rve

S_F

• W08: E

stuar ine Swamp Oak F

• r

e st

 Re po rte d a t

• SE

T T L E RS PARK

• Othe r pa rks?

 De sc rib e d a s

• Oc c urs imme dia te ly a b o ve

tida l influe nc e

• F

ring e s the ma rg ins o f sa line wa te rb o die s

• Swa mp o a k (Casuarina

glauc a) fo rms de nse

mo no spe c ific sta nds a b o ve a thic k g ro und c o ve r o f sa lt to le ra nt he rb s, rushe s a nd se dg e s

Re c re a ting E stua rine Swa mp Oa k F

• re st

a t Be nne lo ng Pa rk

Area Park Name Area Park Name

BANJO PATERSON RESERVE BOOBAJOOL RESERVE BENNELONG PARK BUNDARA RESERVE BILL MITCHELL PARK CHRISTIE PARK BREMNER PARK FIELDER PARK GLADES BAY PARK KOBADA PARK KISSING POINT PARK MARSFIELD PARK KOONADAN RESERVE MYALL RESERVE LOOKING GLASS BAY PARK NORTH RYDE PARK MALLEE RESERVE STEWART PARK MAZE PARK TASMAN PARK MEADOWBANK PARK TRAFALGAR PARK MELROSE PARK WATERLOO PARK MEMORIAL PARK YURRAH RESERVE MORRISON BAY PARK DENISTONE PARK PUTNEY PARK LYNN PARK SETTLERS PARK MIRIAM PARK TYAGARAH PARK SYMON’S RESERVE BOOTH RESERVE ELS HALL PARK FLINDERS PARK GREENWOOD PARK QUANDONG RESERVE SANTA ROSA PARK TINDARRA RESERVE WILGA RESERVE

Parramatta River Reserves Shrimptons Creek Reserves Northern Reserves Western Reserves

Par r amatta Rive r for e shore r e se r ve s

 17 re se rve s, 12

surve ye d in 2008, 5 ne w re se rve s

 Mo re na tive flo ra

spe c ie s in 9 re se rve s, le ss in 3 re se rve s

 Mo re we e d spe c ie s in

11 re se rve s, le ss in 1 re se rve

Change in flor istic c omposition

 ‘Losses’ from

2008 to 2018 ra ng e d fro m 2 to 19 na tive spe c ie s

 ‘Gains’ fro m 2008

to 2018 ra ng e d fro m 5 to 38 na tive spe c ie s

 Re ve g e ta tio n

pla nting ?

We ste r n r e se r ve s

 4 re se rve s, 4 surve ye d

in 2008, no ne w re se rve s

 Mo re na tive flo ra

spe c ie s in 3 re se rve s, le ss in 1 re se rve

 L

e ss we e d spe c ie s in 4 re se rve s

Change in flor istic c omposition

 ‘Losses’ from 2008

to 2018 ra ng e d fro m 1 to 22 na tive spe c ie s

 ‘Gains’ from 2008

to 2018 ra ng e d fro m 8 to 18 na tive spe c ie s

 Re ve g e ta tio n

pla nting ?

Shr imptons Cr e e k c orr idor r e se r ve s

 8 re se rve s, 7 surve ye d

in 2008, 1 ne w re se rve

 Mo re na tive flo ra

spe c ie s in 7 re se rve s, le ss in 0 re se rve s

 Mo re we e d spe c ie s

in 7 re se rve s, le ss in 0 re se rve s

Change s in flor istic c omposition

 ‘Losses’ from 2008

to 2018 ra ng e d fro m 1 to 20 na tive spe c ie s

 ‘Gains’ from 2008

to 2018 ra ng e d fro m 4 to 60 na tive spe c ie s

 Cha ng e d surve y

a re a ?

Nor the r n (L ane Cove Rive r ) r e se r ve s

 13 re se rve s, 10

surve ye d in 2008, 3 ne w re se rve s

 Mo re na tive flo ra

spe c ie s in 5 re se rve s, le ss in 5 re se rve s

 Mo re we e d spe c ie s in 7

re se rve s, le ss in 3 re se rve s

Change s in flor istic c omposition

 ‘Losses’ from 2008

to 2018 ra ng e d fro m 5 to 34 na tive spe c ie s

 ‘Gains’ from 2008

to 2018 ra ng e d fro m 4 to 36 na tive spe c ie s

 I

nc re a se d surve y e ffo rt?

Me c hanisms for spe c ie s tur nove r

 Cha ng e s in na tive flo ra spe c ie s dive rsity fro m:

• I

nc re a se d surve y e ffo rt

• Cha ng e s in surve y e xte nt
• Se a so na l va ria tio n
• Re ve g e ta tio n pla nting
• I

mmig ra tio n fro m ne a rb y b ushla nd

 Cha ng e s in we e d spe c ie s dive rsity fro m

• Cha ng e in surve y e xte nt o r e ffo rt
• Bush re g e ne ra tio n we e d c o ntro l
• I

nva sio n fro m e lse whe re

• Se a so na l va ria tio n

Gr

• und tr

uthing ve ge tation c ommunitie s

 Qua dra ts we re

surve ye d fo r na tive flo ra spe c ie s

 L

ists o f spe c ie s pre se nt we re c o mpa re d with c rite ria fo r ma ppe d ve g c o mmunitie s

 Must ha ve minimum

numb e r o f spe c ie s to te st

 Must ha ve minimum

numb e r o f dia g no stic spe c ie s to sa tisfy ide ntific a tio n c rite ria (= pa ss)

Quadr at sur ve ys

 Six q ua dra ts surve ye d in 2008, re pe a t surve ys in

a utumn a nd spring 2018

 Surve ys re c o rde d spe c ie s pre se nt a nd a mo unt

• f c o ve r e stima te d using Bra un-Bla nq ue t c o ve r

c la sse s

De nistone Par k quadr at

SUMMARY DATA NATIVE FLORA # native species 2008 32 # native species 2018 25 (+3, -10) total native species recorded 35 SUMMARY DATA WEED SPECIES # weed species 2008 23 # weed species 2018 19 (+1, -5) total weed species recorded 24

2 4 6 8 10 12 14 16 18 inc re a se d de c re a se d unc ha ng e d

# spe c ie s

Cha ng e s in Bra un Bla nq ue t c o ve r

NAT I VE E XOT I C

MAPPED VEGETATION COMMUNITY CONFIRMED? S_WSF01: Blue Gum High Forest YES

E L S Hall Par k quadr at

SUMMARY DATA NATIVE FLORA # native species 2008 43 # native species 2018 38 (+3, -8) total native species recorded 46 SUMMARY DATA WEED SPECIES # weed species 2008 11 # weed species 2018 6 (+3, -8) total weed species recorded 14 MAPPED VEGETATION COMMUNITY CONFIRMED? S_DSF04: Coastal Enriched Sandstone Dry Forest YES

5 10 15 20 25 inc re a se d de c re a se d unc ha ng e d

# spe c ie s

Cha ng e s in Bra un Bla nq ue t c o ve r

NAT I VE E XOT I C

Glade s Bay Par k quadr at

MAPPED VEGETATION COMMUNITY CONFIRMED? S_DSF06: Coastal Sandstone Foreshores Forest YES SUMMARY DATA NATIVE FLORA # native species 2008 24 # native species 2018 24 (+2, -2) total native species recorded 26 SUMMARY DATA WEED SPECIES # weed species 2008 7 # weed species 2018 9 (+3, -1) total weed species recorded 10

2 4 6 8 10 12 14 inc re a se d de c re a se d unc ha ng e d

# spe c ie s

Cha ng e s in Bra un Bla nq ue t c o ve r

NAT I VE E XOT I C

Kobada Par k quadr at

MAPPED VEGETATION COMMUNITY CONFIRMED? S_DSF04: Coastal Enriched Sandstone Dry Forest YES SUMMARY DATA NATIVE FLORA # native species 2008 51 # native species 2018 50 (+8, -9) total native species recorded 59 SUMMARY DATA WEED SPECIES # weed species 2008 5 # weed species 2018 13 (+9, -1) total weed species recorded 14

5 10 15 20 25 30 35 inc re a se d de c re a se d unc ha ng e d

# spe c ie s

Cha ng e s in Bra un Bla nq ue t c o ve r

NAT I VE E XOT I C

Mar sfie ld Par k quadr at

MAPPED VEGETATION COMMUNITY CONFIRMED? S_WSF09: Sydney Turpentine-Ironbark Forest YES SUMMARY DATA NATIVE FLORA # native species 2008 42 # native species 2018 34 (+0, -8) total native species recorded 42 SUMMARY DATA WEED SPECIES # weed species 2008 7 # weed species 2018 5 (+0, -2) total weed species recorded 7

2 4 6 8 10 12 14 16 18 20 inc re a se d de c re a se d unc ha ng e d

# spe c ie s

Cha ng e s in Bra un Bla nq ue t c o ve r

NAT I VE E XOT I C

T asman Par k quadr at

MAPPED VEGETATION COMMUNITY CONFIRMED? S_WSF06: Coastal Shale-Sandstone Forest YES SUMMARY DATA NATIVE FLORA # native species 2008 51 # native species 2018 39 (+0, -12) total native species recorded 51 SUMMARY DATA WEED SPECIES # weed species 2008 4 # weed species 2018 2 (+1, -3) total weed species recorded 5

5 10 15 20 25 inc re a se d de c re a se d unc ha ng e d

# spe c ie s

Cha ng e s in Bra un Bla nq ue t c o ve r

NAT I VE E XOT I C

Some things to c onside r

 F

OR 20m x 20m QUADRAT S

 Whe re is the g re a te st

na tive dive rsity?

 Whe re a re the mo st we e d

spe c ie s?

 Whe re ha s the re b e e n the

mo st c ha ng e ? Why?

 Whic h q ua dra ts ha ve

impro ve d? De te rio ra te d?

QUADRAT # NATIVE SPECIES # WEED SPECIES COMMENTS DENISTONE 35 24 most weed species, 10 native species "lost" ELS HALL 46 14 many weed species GLADES BAY 26 10 fewest native species KOBADA 59 14 most native species, many weed species, dead large shrubs MARSFIELD 42 7 few weed species TASMAN 51 5 many native species, fewest weed species, 12 native species "lost"

T r aje c tor ie s in ve ge tation c hange s

 De ve lo pme nt o f a n e stima te fo r a ve g e ta tio n

he a lth tra je c to ry fo r e a c h q ua dra t

T RAJE CT ORY DE F INING CHARACT E RIST ICS DE GRADING

de c re a se in numb e rs a nd c o ve r e xte nt fo r na tive spe c ie s with inc re a se in numb e rs o r c o ve r e xte nt fo r intro duc e d spe c ie s

MINOR DE GRADING

de c re a se in numb e rs o r c o ve r e xte nt fo r na tive spe c ie s with unc ha ng e d numb e rs o r c o ve r e xte nt fo r intro duc e d spe c ie s OR unc ha ng e d numb e rs o r c o ve r e xte nt fo r na tive spe c ie s with inc re a se d numb e rs o r c o ve r e xte nt fo r intro duc e d spe c ie s

ST ABL E

little o r no c ha ng e in numb e rs o r c o ve r e xte nt fo r na tive spe c ie s with no c ha ng e in numb e rs o r c o ve r e xte nt fo r intro duc e d spe c ie s

IMPROVING

no c ha ng e o r inc re a se in numb e rs o r c o ve r e xte nt fo r na tive spe c ie s with no c ha ng e o r de c re a se in numb e rs o r c o ve r e xte nt fo r intro duc e d spe c ie s

Possible tr aje c tor ie s for quadr ats

 Pro c e sse s c a using c ha ng e c a n b e a b rupt o r

g ra dua l, a nd ma y inc lude :

• E

xtre me wind a nd we a the r c o nditio ns e g dro ug ht

• Ac tive ma na g e me nt e g we e d c o ntro l, re ve g e ta tio n

pla nting

• Cha ng e s in a djo ining la nd use – impa c ts o n q ua dra t ve g

QUADRAT # NATIVE SPECIES NATIVE COVER # WEED SPECIES WEED COVER TRAJECTORY DENISTONE decreased decreased decreased unchanged/decreased MINOR DEGRADING ELS HALL decreased unchanged decreased decreased STABLE? GLADES BAY unchanged decreased increased unchanged/increased STABLE? KOBADA unchanged unchanged increased increased MINOR DEGRADING MARSFIELD decreased unchanged decreased unchanged STABLE? TASMAN decreased unchanged/decreased decreased decreased STABLE?

A pr imar y dr ive r

• f biodive r

sity

 “Bioturbation is defined as the

re wo rking o f so ils a nd se dime nts b y a nima ls o r plants”

 Cha ng e s to c he mic a l a nd

struc tura l pro pe rtie s o f so ils

 Gre a te r wa te r infiltra tio n,

inc re a se d so il mo isture , de c re a se d surfa c e runo ff a nd e ro sio n

 Dig g ing stimula te s g e rmina tio n,

dispe rse s fung i, pro vide s ha b ita t fo r mic ro sc o pic o rg a nisms, le a ding to inc re a se d nutrie nt c yc ling

Biotur bator s in City of Ryde

 T

he o ve ra ll e ffe c t o f b io turb a tio n is the re fo re inc re a se d pla nt vig o ur a nd re silie nc e , inc re a se d b io dive rsity a nd c o nse q ue ntly impro ve d e c o syste m func tio ning .

 Bio turb a to rs se e n in City o f

Ryde inc lude Brush T urke ys, Ba ndic o o ts, Swa mp Wa lla b ie s, a nd L yre Birds

Ba ndic o o ts we re se e n o n c a me ra in Ma rsfie ld Pa rk – a lso g o o d b io turb a to rs!

Wor king towar ds a r e alistic goal

 We e d c o ntro l  Re ve g e ta tio n  Re c re a te b ushla nd?  Ha b ita t fo r fa una  So me thing e lse ?  Re sto re pre vio usly

e xisting ve g e ta tio n c o mmunity/ e c o syste m

 Ma na g e a s a wildlife

c o rrido r

 Re ve g e ta te a s a pa ssive

re c re a tio n pa rk o r ve g c o rrido r within a pa rk

Re alistic outc ome s for r e se r ve s

 Pa rra ma tta Rive r

fo re sho re re se rve s

 Re se rve s linke d with

L a ne Co ve Na tio na l Pa rk

 Sma ll a nd/ o r iso la te d

re se rve s

 L

• ng line a r re se rve s

Wor king towar ds a r e alistic goal

 Wha t ve g e ta tio n c o mmunity is

pre se nt? Or wa s pre se nt? Use this to

guide native flor a spe c ie s se le c tion

 Wha t a nima ls use the re se rve ? Or

mig ht use the re se rve , e spe c ia lly if the y a re in a n a djo ining re se rve ! Use

this to guide de ve lopme nt of habitat r e sour c e s (food, ne sting, r

• osting,

r e fugia habitat r e quir e me nts)

 Wha t de g ra ding fa c to rs a re

• pe ra ting ? Use this to de ve lop a

r e alistic se t of sustainable manage me nt goals for the r e se r ve

Finishing off…

 F

ina l re po rt to b e c o mple te d a nd issue d to c o unc il

 Re c o mme nda tio ns fo r the wa y fo rwa rd fro m

he re – c o ntinue the se surve ys, ma ke so me mo dific a tio ns?

 Any q ue stio ns, sug g e stio ns?