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Recreating the Country blog

The vegetation of the Barrabool Hills part 4.        Plant species – ‘Drooping Sheoaks adorned the Hills’

13/11/2017

5 Comments

 
PictureA community of Drooping Sheoaks, Allocasuarina verticillata
Before the first white settlers began clearing trees and shrubs around Geelong, Drooping Sheoak, Allocasuarina verticillata was a widespread and distinctive feature of the Barrabool Hills and the Geelong region.

Drooping Sheoaks were the first tree that Surveyor John Helder Wedge recorded in his diary in 1835 as he crossed the Barrabool HIlls near Pollocksford. Artists  Charles Norton>  painted a landscape of grasslands and Drooping Sheoaks near Ceres in the Barrabool Hills in 1846 and Eugene von Guerard> sketched the harvesting of Drooping Sheoak on the banks of the Barwon River in 1854.

These early records suggest that a significant part of the Barrabool Hills landscape was open grasslands under scattered Drooping Sheoaks.


PictureA solitary Sweet Bursaria surviving on Merrawarp Rd. This remarkable small tree would be several hundred years old. There are at least six remaining in the Hills. Pre 1835 they would have been numerous and widespread
Recent surveys show a diverse vegetation.

We know from recent vegetation recent studies (Remnant Roadside Vegetation of the Surf Coast Shire, 1997, Moulton P. Trengove M, Clark G>) and (Gordon TAFE, Conservation & Land Management students and teacher surveys, 2017, for Flora of 'The Hills' booklet - see below), that there is a diverse community of plant species remaining on roadsides and on private properties in the Barrabool Hills. These studies hint at the extraordinary diversity of the vegetation in the Barrabool Hills before 1836.

Picture


Click to the Flora of 'The Hills' booklet> for a comprehensive plant list and guide to the vegetation of the Barrabool Hills.
(Launched on 27th October 2017 by the Barrabool Hills Landcare Group).

 

Why was much of the pre-settlement landscape dominated by one species of tree?
PictureA remnant cops of trees just west of Merrawarp/Barrabool Rd corner. This same cops is shown on a pre 1900 B&W image. The trees are mostly River Red Gum and Lightwood. There are also Monterey Pine and Peppercorn Trees which are introduced species.
The pioneer plants weren't spreading.

This prospect is particularly unexpected when we consider that many of the remnant plants found in the Barrabool Hills today are pioneer species, able to spread naturally and quickly into an open grassy landscapes.

Trees like Black Wattle, Blackwood, Lightwood, White Cypress Pine, Sweet Bursaria, Silver Banksia, River Red Gum and Manna Gum grow easily from seed dispersed by wind, water and animals. Yet in major areas of the Hills and in the Geelong district this didn’t happen,  Drooping Sheoaks dominated.

The other unexpected feature of these early woodlands of Drooping Sheoak is their wide spacing as described by Wedge; “Crossed the Barrabull Hills….for the first 3 miles are of the same description, grass rather light and thinly wooded with sheoak”.


PictureDrooping Sheoaks grow naturally as a thicket unless they are thinned by burning
Wedge’s description and artists depictions are at odds with the natural habit of Drooping Sheoaks.

Female Sheoaks produce cones with lots of fertile winged seeds. Most of these seeds will grow into a young trees where the wind blows them. The result is always a thicket of willowy young sheoaks growing just beyond the canopy of the mother tree. A thicket so dense that bush walkers have to find a way around rather than attempt to push through.

The sheoaks were so thick on a roadside at Mt Duneed near Geelong in the early 1900’s, that a climber could scramble a whole block in the trees’ canopy without touching the ground (Graeme Anderson pers. com)


PictureJohn Skinner Prout, The River Barwon, Victoria at Queens Park. 1847
Drooping Sheoaks by design.

Bill Gammage in his controversial tome ‘The Biggest Estate on Earth. How Aborigines made Australia’, argues that the Australian landscape was designed by the first Australians to make hunting game and gathering food convenient and efficient.

In his view the landscape of pre 1835 was strategically shaped by burning. He describes a sophisticated process that encouraged desirable plants to grow in preferred locations.

Gammage gives the example of an 1847 painting by John Skinner Prout, The River Barwon, Victoria at Queens Park. Prout shows a continuous line of trees on the river bank beside an open grassy strip that appears to be about 50 meters wide. Beyond the grassy strip is a woodland of scattered trees. Charles Norton’s 1846 painting from Ceres> looking toward Fyansford depicts the same pattern of vegetation on the Barwon River at this time.


For a hunter concealed in the woodland,
this is an ideal environment to spear a kangaroo as it moves across the open grassy strip from the river. It provides shelter and a fertile grassy meadow to attract grazing animals as well as hollowed trees for possums which were an important source of food and skins to make all weather cloaks, an essential item of clothing for the Wathaurong.

Colonist Anne Drysdale described the same location in 1841,

“This place is really beautiful. A short distance from the Barwon, which is a noble river: all so green and fresh, with trees of the finest kinds….scattered about and in clumps, like a Nobleman’s Park. The clumps are formed by burning of a large fallen tree, the ashes have the property of bringing up a clump of Wattles or gums”.


PictureStarting a traditional owner cool burn
Gammage gives many more examples of fashioned landscapes, designed and shaped for a purpose.

It is therefore likely that the dominance of sheoaks in the Barrabool Hills was the result of burning by the First Australians. The unnatural wide spacing seems also to have been part of a strategic design.

Gammage outlines the burning strategy used to produce open woodlands of Drooping Sheoak at Cape Otway. My own observations over the past 25 years, which include burning Drooping Sheoak in the Teesdale Grassy Woodlands, 35 km west of Geelong, support Gammage's explanation.

“Two hot fires within seven years eradicates Drooping Sheoak in the Cape Otway provenance. Seeds grow, but need 5-7 years to seed in turn and 10 – 12 years to seed well. Cool fire kills seedlings and spares mature trees but won’t provoke seed release. No fire lets seedlings become a dense whipstick forest.”

If we accept Gammage’s well researched theory on indigenous land management as reasonable, then what purpose would an open grassy woodland of Drooping Sheoaks serve? What did the Barrabool Clan of the Wathaurong people, who occupied the Hills for more than 40,000 years, gain from creating open woodlands of Drooping Sheoak?

Picture'Witjweri' is the mysterious haunting sound of a breeze blowing through sheoaks.
Have you heard the Whit:ge:wherri?

Helpful insights are provided by the Wathaurung word Whit:ge:wherri (pronounced witjweri). This word describes the unique sound of rushing, whistling or moaning made by a breeze through the foliage of sheoaks (PhD student Jennifer Dearnaley pers. Com. from Lou Lane’s investigations).

The First Australians believed these sounds were the voices of their ancestor’s speaking to them. It’s a mysterious mournful sound that was very personal and deeply meaningful. Sheoaks provided a connection with the spirit world and it was common for Aboriginal burials to be near or even underneath Sheoaks.

This connection with the voices of loved ancestors made Drooping Sheoaks very special trees that allowed the living to hear passed family members speaking to them. They could ask their advice and talk about personal matters (Nevill Bonney, 2016, 'Sheoaks, wind harps from the desert to the sea').


They were the mobile phones to heaven, an important link between the wisdom and knowledge of the past and the day to day challenges of the present.

PictureHunting boomerangs made from Drooping Sheoak. Photo Neville Bonney
The Drooping Sheoaks provided many other benefits to the Barrabool Tribe.

Practical and farming benefits:

  • Sheoak timber is hard and strong. It was favoured for making hunting implements like boomerangs.
  • Scattered sheoaks have permeable canopies which reduce wind speeds without creating wind turbulence. The dappled shade would have also been valued on hot days.
  • They allow good visibility for hunting, seeing smoke signals from neighbouring clans, seeing coming weather events and visitors entering their lands
  • The layers of soft litter under sheoaks were favoured places for infants and toddlers to rest and play because it is avoided by snakes.
  • The ancestral link may have reassured parents, providing an ambience of safety through the belief that passed family members were watching over their children.

PictureThese Sheoak cones are too mature to eat, however each pointy valve contains a fertile winged seed.
Food & medicine:

  • Sheoaks through a symbiosis with soil fungi are nitrogen fixing trees and add to the fertility of the soil
  • The open foliage of widely spaced trees lets in plenty of sunlight for the native pasture that would have grown on the Barrabool Hill's rich soils. This pasture would have made good grazing for important food animals like kangaroo, emu, bandicoot, potoroo and bustard. The soft litter also makes sheoak woodlands popular places for mobs of kangaroos to camp
  • Edible root vegetables like Yam Daisy, edible lilies and herbs thrive in an open woodland of sheoaks. This can be observed in modern day sheoak woodlands.
  • The seeds were ground to make flour
  • The immature cones on female trees provided an important source of Vitamin C (J. Dearnaley)
  • The hair like foliage (called branchlets) was chewed to treat dysentery & diarrhoea (J. Dearnaley)
  • The branchlets were also chewed to moisten the mouth and alleviate thirst when out hunting or foraging (J. Dearnaley).
  • An infusion of the inner bark was used as a gargle for toothache.

PictureNarada or Ngarr:rai which mean hair are Wathaurong words for the Drooping Sheoak
The Wathaurong words for sheoak were Narada or Ngarr:rai  meaning hair tree (J. Dearnaley). This beautifully describes a most recognisable feature of the tree, but it doesn’t give any further insights into its cultural importance.
 
Koort:Boork:Boork referred to stands or clumps of sheoak trees (J. Dearnaley) which suggests that sheoaks had enough familiarity and importance in Wathaurong culture to deserve a phrase for a sheoak community.

The Drooping Sheoak was an important species for the Barrabool Clan and the broader Wathaurong people. The level of cultivation of this tree throughout Victoria suggests it was a culturally significant tree that was valued by all Traditional Owners.

This research is presented respectfully and acknowledges the first Australians past and present. It is told in appreciation of the 2,000 generations of men, women and children who have walked these bush paths before us.

For more reading on the vegetation of the Barrabool Hills;

Part 3 - Its original and natural condition in 1835, plant density>
Part 2 - The arrival of Homo sapiens>
Part 1 - From ancient rainforests>


Also visit the Barrabool Hills Landcare's beautiful new website>
5 Comments
Elissa link
15/11/2017 03:02:19 pm

Steve, thanks for this fascinating collection of information about the She Oaks of the Barrabool Hills and the original land-carers, the Wadawurrung.. your writing sparks the imagination and paints a picture of times past.

Reply
Steve
5/12/2017 08:00:47 am

Thanks Elissa,
It's been a fascinating journey sorting through all the historical references. I still have the uncomfortable feeling that I've only scratched the surface.

Reply
Jess Pearson link
25/6/2020 12:47:50 pm

Hi Steve,

Thanks for this article.

We live on 20 acres near Swan Bay. We have an area in which we plan to plant about 60 she-oaks - the main purpose is for screening, but I'd like to increase the ecological benefits while we're at it. Do you have some tips on companion planting? I'm not sure if we should add some low and mid-story planting between the she-oaks.

Many thanks,
Jess

Reply
Steve
26/6/2020 09:58:00 am

Hi Jess,
Not far from you at Mannerim is a lovely old stand of Drooping Sheoak, so you have chosen your species well. They seem to grow well as a monoculture planting though I agree that adding more diversity to your plantation has many benefits for wildlife.
Adding more families is the surest way of maximising plant diversity.

Fore example the following mid-storey trees would have also grown historically on your landscape;
Silver Banksia (Protea family), Lightwood, Blackwood - in damper locations (Mimosa family), Sweet Bursaria (Pittosporum family), Boobialla (Figwort family). Moonah (Myrtle family)

Shrub species local to your area;
Gold-dust Wattle (Mimosa family)  (click to my June '20 blog on Gold-dust Wattle to read more), Giant Hop-bush (Soapberry family), Coast Beard-heath (Erica family), Snowy Mint-bush (Mint family)

If you have the space it is better for wildlife to create layers by group planting the same species in 10 or more with a plant spacing of 2-3 meters. If you're limited for space, plant the smaller species on the edge to reduce the 'edge effect'.

To read more about sustainable design you could read the article 'Designing to restore lost biodiversity' under the 'be challenged' drop down box on my website

Reply
Lisa Jensen
25/6/2024 06:33:18 am

Interesting article that ties up some 'loose ends' that would have proved very helpful on my Toohey Forest, Upper Mt Gravatt surveying project Semester I, 2009 (Griffith University). Thank you for your research.

Reply



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  • Home
  • be Challenged
    • Design to restore lost biodiversity >
      • Diversity >
        • Making a list of plants for revegetation
      • Structure >
        • Ecology Snapshot - wildlife and their habitat
      • Species survival
      • Location - connections
      • Blueprint for Recreating the Counrty
    • Biodiversity and profit >
      • Designing for profit
    • Managing sustainable biorich landscapes
  • be Informed
    • Indigenous flora of the Geelong district >
      • Indigenous plants - what & why
      • Acacias, wattles of the Geelong Region
      • Acacias - the cafes of the bush
      • Allocasuarinas/drooping sheoaks, Black Sheoak & Callitris glaucophylla/cypress-pine
      • Bursaria spinosa, Sweet Bursaria
      • Eucalypts, The Sentinals
      • Exocarpos cupressiformis, Cherry Ballart
      • Moonah, Melaleuca lanceolata
      • Small riparian myrtles
      • Wedge-leaf/Giant Hop-bush, Dodonaea viscosa
      • Wild Plants of Inverleigh
      • Tree Violet - as tenacious as a terrier
    • Nurseryman's diary >
      • Regent Honeyeater - a good news story
      • Give me a home among the gum trees
      • Symbiotic fungi
      • The joys of seed collecting
      • Landcare, who cares?
      • The last Silver Banksia
      • Neds Corner
      • River Red Gums and the Tuscan monks
  • be Entertained
    • Stories for children >
      • Amie and the intoxicated kangaroos
      • The Little Green Caterpillar
      • B'emus'ed - a Christmas tale of bursairas and emus
    • Stories about the natural world >
      • Brushtail
      • Cormorant
      • Eastern Bettongs. 'Truffle junkies' or 'ecosystem engineers'
      • Richards Sweet Rewards
      • Coxy's Curse
      • How the River Red Gum came to be - A dreamtime story
  • RtC bookshop
  • Blog
    • Easy blog finder
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