recording information for banksia woodland plants · 2015. seed germination and survival anksia...
TRANSCRIPT
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Recording Key Ecological Information for Banksia
Woodland PlantsMark Brundrett, Anna Wisolith, Vanda Longman, Karen Clarke
Department of Parks and Wildlife, Swan Region
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Ministerial StatementThe approval for the expansion of Jandakot Airport is subject to a number of conditions, specified in the EPBC 2009/4796 approval document, but only Condition 4 b is relevant to this project.
… the person taking the action must provide to the Western Australian Department of Environment and Conservation the sum of $9.2 million and topsoil from the Jandakot Airport lease site for use in the rehabilitation and conservation of banksia woodland at an alternative site or sites. The areas to be rehabilitated or conserved must be within 45 kilometres of the Jandakot Airport lease site unless the Minister agrees to alternative siting. The transportation costs for the topsoil are to be paid for out of the $9.2 million. The funding must be provided in proportion to the area cleared each year, and the entire sum must be provided within a maximum of five years from commencement.’
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Objectives
• Restore and manage banksia woodland• Select sites using rigorous ranking process• Use scientific approaches and evaluate relative effectiveness of methods
• Maximise area restored or managed• Develop monitoring protocols• Support community groups and land mangers• Collate and share information
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Ranking Bush Forever Sites
Significance and Similarity
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Topsoil Harvesting & Transfer 2012
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Nursery Management
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Planting Days
With BirdLife Australia
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Direct Seeding 2012‐2014
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Restoration Potential of Plants
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Total Species Richness Status in 2016
s present in 12 reference quadrats 160 native species in total
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Native Species (top 100)
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From Topsoil
84 species
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lanted Tubestock
pecies
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Direct Seeded
pecies
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Local Opportunists
ecies
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Restoration Outcomes
60 native plant species by year 4Continuum from opportunist to recalcitrant species
114
36
60
22
Topsoil Direct seeded Planted Local Opportunistic
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Propagation Potential of Plants
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ome Species are Uncommon or Missing
0
200
400
600
800
000
200
400
0.0
1.0
2.0
3.0
4.0
5.0
Paterson
ia occiden
talis
Lyginia barbata
Hibb
ertia
hypericoide
sDe
smocladu
s flexuosus
asypogon
bromeliifolious
Scho
enus efoliatus
Phlebo
carya ciliata
Dampiera linearis
Stirlingia latifolia
Calytrix flavescens
Leucop
ogon
…Petrop
hile line
aris
Stylidium re
pens
Lomandra he
rmaphrod
itaCo
nostep
hium
preissii
Scho
enus curvifolius
Hensmania tu
rbinata
epidospe
rma squamatum
Lomandra caespitosa
Cono
step
hium
pen
dulum
Phlebo
carya filifo
liaDe
smocladu
s fasciculatus
Thysanotus triand
rus
Persoo
nia saccata
Stylidium piliferum
Cron
inia kingiana
Arno
crinum
preissii
Calectasia narragara
Haem
odorum
spicatum
Laxm
annia squarrosa
Leucop
ogon
sp.
Lomandra micrantha
Lomandra preissii
Lomandra suaveo
lans
Thysanotus th
yrsoideu
s
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Restoration Potential
Plant diversity similar (in this case) but these is a very different vegetation structure in young banksia woodland on restoration sites
0 10 20 30 40 50Restored area
Rank Importance Value Comparison
0 5 10 15 20 25 30
Absent/rare restore
Less restore
Similar
More restore
Only restore
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Seed Collection & Propagation
Canopy stored seedSeed easy to collectSeed collectible in sufficient numbersSeed hard to getSeed quality poorSeed almost impossible to get
1. Germination easy2. Seed treatments3. Germination slow
and/or erratic4. Seed viability low5. Clonal division works6. Almost impossible to
propagate
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Restoration Potential
All Species
Soil Seed Bank
turbance portunists Others
Seed Available
Grow well in Nursery
Seed Problems
No seed
Vegetative propagation
Absent from Rehab site
edsrt‐lived
ect eased ortance
•Long‐lived shrubs
•Annuals•Soil germ‐promotion trials
•Canopy stored seed
•Easily collected seed
•Trees and
•No seed•Seed quality•Seed germ‐•Seed storage
•Germ trials
• Important spp.•Monocots• Sedges• Recalcitrant shrubs
• less important spp.
•Some self‐dispersing
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Responses to Climate
• Severe drought impacts
Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean
2012
2013
2014
2015
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Seed Germination and Survival
anksia seedling mortality is due to invertebrate grazing and evere summer drought
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Pollination in Revegetation Sites
Row 1 ‐ native bees
Row 2 – wasps
Row 3 ‐ flies and butterflies
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Time to Flowering and Seed
2012 2013 2014 2015
Flowering
Present
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Ecological Interactions
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Restoration Ecology
mportance in reference sites Age and month for flowering & seed setSeed collection & storageGermination or division in nurseryGermination from topsoilSurvival after out‐plantingDrought impacts on seedlingsTopsoil germination potentialDirect seeding potentialGrowth rate and lifespanSeedling susceptibility to:
Data sources:1. Monitoring data on
mortality of species2. Restoration trials3. Reference site
comparisons4. Photographs of seed
and seedlings5. Growth measurements6. Pollination and seed set
data7. Species lists8. Importance values9. Weed cover10. Groundwater and
rainfall11 Fencing trials
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vegetation Report Card Banksia attenuataFactor DataSeed Collection 0‐101 seeds per tree (average 15), Jan‐FebSeed preparation Difficult (heat required to open cones)Seed storage Requires low humidity and temperatureSeed germination High (30‐95%), Inhibited by high temperatureTopsoil seed bank NoDirect seeding results Moderate (0‐400 seedlings/ha)Seedling survival (severe summer drought) Low in first year (3‐20%)Tubestock survival (severe drought) Low in first year (10‐20%)Grazing susceptibility High (kangaroos, rabbits, invertebrates)Growth rates Fast (0.3‐1 m/year height)First flowering Over 5 yearsOther impacts on seedlings Grazing, parasitic galls, weeds
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vegetation Report Card Banksia attenuataFactor DataSeed Collection 0‐101 seeds per tree (average 15), Jan‐FebSeed preparation Difficult (heat required to open cones)Seed storage Requires low humidity and temperatureSeed germination High (30‐95%), Inhibited by high temperatureTopsoil seed bank NoDirect seeding results Moderate (0‐400 seedlings/ha)Seedling survival (severe summer drought) Low in first year (3‐20%)Tubestock survival (severe drought) Low in first year (10‐20%)Grazing susceptibility High (kangaroos, rabbits, invertebrates)Growth rates Fast (0.3‐1 m/year height)First flowering > 5 yearsOther impacts on seedlings Grazing, parasitic galls, weeds
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Fire Impacts in Banksia Woodland
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Fire Responsive Species
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Fire Impacts on Plants
0 10 20 30 40 50
re fire
re fire
imilar
er fire
er fire
No. of species
Abundance (natives)
0 10 20 30 40 50 60 70
Only before fire
More before fire
Similar
More after fire
Only after fire
No. of species
Cover (natives)
Dead trees
Survivingtrees
40%
60%
80%
100%
Mortality
Banksia
All trees
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Recovery of Plants25 Time series photographs which illustrate the recovery of common banksia woodland plants in the first 2 years after fire at Shirley Balla Swamp (Feb 2014 to Nov 2015).
Row 1 ‐ Eucalyptus todtiana ‐pricklybark tree.
Row 2 ‐Macrozamia fraserii‐ cycad.
Row 3 ‐ Nuytsia floribunda, the WA Christmas tree.
Row 4 ‐ Xanthorrhoea sp. ‐
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at are they and where do they come from?
0 4 8 12 16 20
SeedRootsTuberRhizomeStemBase
Germinating
Resprouting
After weed control 8 months post‐fire 12 months post‐fire
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Weed Control in Banksia Woodland
60 ha of banksia woodland in Regional Parks prayed in both 2013 and 2014 with follow‐up lanned for 2015 (3 years needed for best results)and removal of woody weeds and spraying of other
major weeds also occurred in these areas
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Responses to Weeds
• Vegetation structure differences in more weedy vs. less weedy plots in the same reserves (reference sites have low weed cover)
-40 -20 0 20 40-40
-20
0
20
40 Resemblance: S17 Bray Curtis similarity TreatmentSprayedReferenceUnsprayed
Native Herb
Native Annual
Native Climber
nativeTree
Native ShrubNative Bulb
Native Sedge
Native Grass
Weed Shrub
Weed AnnualWeed Bulb
Weed HerbWeed Sedge
Weed Grass
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Banksia Woodland Community Grant Workshop
M t t h f l d t t h l t d
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Data Required by Land Managers
Species lists for restoration sites:Sorted by habitat type (e.g. upland only)With soil/hydrology preferencesWith relative importance/frequencyWith seed collection/germination issuesFlowering and seed dispersal timesWith restoration potential and issuesAnimal associations (e.g. Carnaby’s cockatoo food plants)
Species data for land management:Fire recovery type and frequency
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Species Ecologymportance in reference sites Age and month for flowering & seed seteed collection & storageGermination or division in ursery
Germination from topsoilurvival after out‐plantingDrought impacts on seedlingsopsoil germination potentialDirect seeding potentialGrowth rate and lifespaneedling susceptibility to: d i di
1. Importance in reference sites
2. Habitat/substrate preferences
3. Provenance data
4. Flowering season and age
5. Pollination rates and pollinators
6. Seed set time & amount
7. Drought impacts on adults
8. Fire impacts and recovery
9. Seedling recruitment
10. Tolerance to disturbance
11. Growth rate and lifespan
d l b l
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cological Report Card Banksia attenuatator Dataetation associations Banksia woodlandnsity, frequency, cover 50‐500 stems/ha, common, cover highvival after fire High or low (85% or less)eneration after fire Sprouting from canopy (25%), stem (23%), or base
(15%)d germination after fire High (1300 seedlings/ha)dling survival (severe summer ught)
Low over first summer (16%)
er impacts on seedlings Grazing and weedswth rates No datat flowering Over 5 yearsination High (birds, insects)d Production (in a dry summer) 0‐101 seeds per tree (average 15)d dispersal Wind, cockatoosease susceptibility High (Phytophthora dieback, cankers etc.)
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New Banksia Woodland DatasetsData available for in NatureMap Species lists with cover and abundance from 31 plots Species occurrence data from 51 Plots
Identification resources online Banksia woodland plants photo resource Banksia woodland pollinators and other invertebrates Reference herbarium
Ecological datasets Fire recovery strategies and frequencies Fire recovery trend data for species Weed management impacts on species Restoration potential for species
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anksia Woodland Plant Identification Tool
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Purple Summer Shrubs
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Functional Traits Data
Growth form (tree, shrub, grass, etc.)Lifeform (annual, perennial)Storage organs, regeneration typeLandforms, soils, hydrologyVegetation typesDistribution pattern (e.g. near edge of range)Mineral nutrition strategy (mycorrhizas, nitrogen fixing)Other strategies (carnivores, parasites, etc.)
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Diversity of Mycorrhizal Plants at a Continental Scale
Diversity maps for nutrition strategies map species richness of defined groups of species for Australia (EM hosts, orchids, Ericaceae, N2 fixers and types of NM plants)
Species Area tool using data from all collections and records in the Atlas of Living Australia (www.ala.org.au)Sampled diversity is affected by sampling effort
Species Area Tool
Low HighOrchidaceae Records
Orchidaceae Map
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Ectomycorrhizal Plants
ceae Agonis*, Allosyncarpia, Angophora, Asteromyrtus*, Callistemon*, Corymbia, Eucalyptus, Kunzea*, Leptospermum, Melaleuca*
uarinaceae Allocasuarina osoideae Acacia* (some only)ceae Dillwynia, Gastrolobium, Gompholobium, Mirbelia,
O l bi P lt C i * t
Diversity of host plants
versity estimates:spp. in Australiaspp. in West liaspp. global estimate genera & 26 families
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Carnivorous Plants
uthwest Floristic Region is the global centre of rsity for carnivorous plants with ¼ of all wn species!
Host diversity estimates:• 600 spp. globally• 212 spp. in Australia • 150 spp. in Western
Australia*
www.ala.org.au
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AcknowledgementsProject Team 2011‐2015: Mark Brundrett, Anna Wisolith, Karen Jackson, Karen Clarke, Vanda Longman, Sapphire McMullan‐Fisher, Julie Fielder, Margaret Collins, Tracey Moore, Tracy Sonneman, Julia Cullity, Karen Bettink, Matt Woods. Volunteers: Monique Anderson, Erika Antal, Zane Bingham, Annie Bone, Emily Cranstoun, Melissa Darling, Paige Featherstone, David James, Lizzy Longman, Katie McLellan, Kelli McCreery, Jim Prince, Nick Suehrcke, Cate Tauss, Natasha Tay and Graham Zemunik. Help With Plant Identification: Una Bell, Rob Davies, Michael Hislop, Greg Keighery, Bronwen Keighery, Russell BarrettThreatened Flora Seed Centre: Simone Dudley, Andrew Crawford, Anne Cochrane, Anne Monaghan. Project management: Stefan de Haan, Steve Raper, Geoff Barrett, Craig Olejnik, Shawn Debono and Mark Brundrett.