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Yarnauwi Farm

~ Fleurieu Peninsula, South Australia

Yarnauwi Farm

Category Archives: regeneration

Observe and Interact: Strategies for Learning the Landscape

20 Monday Apr 2015

Posted by Joel in ecology, planning, regeneration

≈ 1 Comment

Tags

design, ecology, farm, fencing, permaculture, planning, revegetation, soil, southwestern Fleurieu

The following article was developed while preparing to host a forthcoming farm tour for the Southern Fleurieu Permaculture Group on applying permaculture principles in property planning. You can view a printable version, including an updated One-Page Place Assessment here.

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After several years working in and advocating for sustainable food systems, in November 2012, we purchased 19 hectares of grazing land near Second Valley, 80 kilometres south of Adelaide. Our vision for the property is to cultivate a diverse, small farm that meets a large proportion of household food and energy needs as well as an income through direct marketing. With integrated forestry, grazing, revegetation and horticulture, we hope to develop Yarnauwi as an experiment in viable, sustainable small farming for the Fleurieu Peninsula. Farm enterprises and elements will be stacked to perform multiple functions and increase profitability, and will be developed at an economically and personally appropriate pace.

For our first couple of years, we’ve spent a great deal of our time trying to engage in thoughtful observation, learning the rhythms and patterns of the landscape. As we’ve tried to reconcile our own impatience to get things done with the pace of the climate and the land, we’ve adopted Wes Jackson’s assertion that “if your life’s work can be accomplished in your lifetime, you’re not thinking big enough.” It’s a reminder to be patient, to acknowledge that ecological systems have their own sense of time, and that many of the intentions of our planning may only be experienced by our grandchildren. Continue reading →

A break in the season

15 Wednesday Apr 2015

Posted by Joel in ecology, regeneration, trees, waterways

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ecology, farm, photography, revegetation, seasons, southwestern Fleurieu, summer, trees, water, waterways

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The rain gauge almost full!

With the big rains of the last couple of weeks, it feels like we’re approaching an break in the seasons. In most parts of the property, the cracks that open in the clay over summer are softening and closing, and there’s a green fuzz of new growth on the ground (especially in the areas with existing, dry ground cover, we’ve noticed). The sheep march briskly between discoveries of fresh grass and happily fan out over new paddocks.

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A self-sown red gum pushes through the cracks.

Continue reading →

The Salvage Season

23 Monday Mar 2015

Posted by Joel in art & craft, ecology, history, regeneration, waterways

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art, ecology, erosion, farm, history, photography, southwestern Fleurieu, waste, waterways

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The steely gaze of a doll, complete with an electrical tape necklace.

With the chilling of the air, it’s time for us to don our gloves and get stuck into mining the junk that lines the banks and bed of our erosion gullies. It’s become an annual tradition to pick a path through chest-high phalaris, filling bags with debris. It’s scratchy, dusty work, with plastic milk bottles and the remains of plastic bags collapsing into confetti with the gentlest of touches. Yet despite the discomfort, we can’t help but have a forensic fascination with what we unearth. Each discovery is a cryptic clue into the lives of our predecessors, those who decided that the headwaters of a creek would be the best place for their unwanted bric-a-brac.

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A broken clock amid bones. We’ll leave you to come up with your own metaphors.

Continue reading →

Maintain the rain! Piecing together the past to imagine a future

05 Thursday Mar 2015

Posted by Joel in ecology, history, planning, regeneration, trees, waterways

≈ 2 Comments

Tags

art, ecology, erosion, farm, history, livestock, photography, planning, revegetation, seasons, soil, southwestern Fleurieu, summer, trees, water, waterways, winter

It’s been a dry year on the Fleurieu Peninsula. After the inundation of 2013, 2014’s rainfall came in almost 200mm shy of the year before, and about 100mm short of the average. By February 2015, the dam had receded to a few centimetres of sludge, and the water carter had come to top up the stock water tanks. While there’s no doubt that the Fleurieu Peninsula has had the Mediterranean pattern of dry summers and cool, wet winters for some time, recently I’ve begun to wonder whether this pattern has shifted towards greater aridity as successive land-uses have cleared the landscape.

Curruckalinga, looking over St. Vincent’s Gulf, 1846, George French Angas, depicting a mosaic of woodland and open grassland. From the description: “This view is taken from the rocky hills near Mr Kemmis’s Station, to the northward of Rapid Bay … The undulating appearance of the country here represented, together with the singular manner in which the trees are dotted about in all directions over the landscape … principally ‘casuarinae’ or she-oak, with ‘eucalyptus’.” From the collection of the State Library of South Australia, B15276/33.

At the time of European colonisation, the Fleurieu Peninsula was most likely covered with a mosaic of woodland, forest and grasslands, maintained through Aboriginal burning and land management practices. In his paper on the discovery and settlement of the Fleurieu (1986), Rob Linn draws from the diaries of settlers in his descriptions of the landscape of the South Western Fleurieu. Writing in 1838, William Giles described the landscape around Rapid Bay, as “a most beautiful valley, the soil of great depth covered with most luxuriant herbage … on the sides of these hills we found plenty of keep for sheep, and wherever the grass had been burnt in these places it was looking beautifully verdant … fine land, excellent water, plenty of timber …” This was echoed by John Stephens in 1839, describing the “country from Cape Jervis upwards” as “very picturesque” and “well-timbered” (Linn 1986). Continue reading →

Farm hack: reusing livestock water

08 Sunday Feb 2015

Posted by Joel in diy, livestock, regeneration

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design, farm, livestock, recycling, reuse, revegetation, sheep, summer, water, waterways

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The new Trough Hose Outlet Mark 2 (aka. THOM2), in position.

When our livestock are moved into the next paddock, or the trough needs a clean, the contents, up to 450 litres of water, are dumped into the pasture. While we’ve tended to hold a ‘survival-of-the-fittest’ mentality for our tree planting, we couldn’t help but feel that this water could be better directed on nearby seedlings. So, a little while ago, we whipped up our first attempt at a stock trough water diverter that would do just this.  Continue reading →

Testing water quality

27 Tuesday Jan 2015

Posted by Joel in ecology, planning, regeneration, tools, waterways

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design, ecology, farm, permaculture, planning, seasons, southwestern Fleurieu, summer, water, waterways

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The DIY water testing kit, including big buckets, little buckets, ice-cube trays, teaspoons, magnifying glass, pH strips, homemade Secchi disk, EC meter, pool net, boots, ID charts and recording sheets. If you have a toddler in attendance, you may consider a change of clothes for yourself and toddler.

Inspired by permaculture’s commitment to observation, over the last couple of years, we’ve become enthusiastic/compulsive gatherers of data about our farm. Everything we can think of to measure, we’ve tried to measure. Now, as we scale up our interventions, we can begin to track our impact and refine our management accordingly. As part of this, we’ve started a seasonal water quality testing program to monitor changes in the quality of our catchment as we revegetate the catchment and manage grazing more intensively.

We’ve assembled our own water testing kit, all stored conveniently in a secondhand mayo bucket from the local chip shop. Using this, there are a few characteristics we’ll test seasonally:

  • salinity and temperature (both tested using an EC (Electrical Conductivity) Meter from your friendly local hydroponics vendor),
  • pH (tested using pool pH strips from the hardware shop),
  • turbidity is a measure of the amount of solids suspended in the water (measured with a DIY Secchi disk or turbidity tube),
  • macroinvertebrate populations, the presence and composition of which is also an indicator of pollution levels (gathered with buckets and nets, and sorted with teaspoons into ice-cube trays).

Continue reading →

Fleurieu Foliage: River red gum (Eucalyptus camaldulensis)

19 Monday Jan 2015

Posted by Joel in ecology, propagation, regeneration

≈ 5 Comments

Tags

bees, books, ecology, farm, nursery, propagation, revegetation, seasons, southwestern Fleurieu, summer, trees, water

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After shedding two-thirds of its branches last year, one of our giant red gums is now a forest of new shoots.

As the two remnant trees on our farm, River red gums (Eucalyptus camaldulensis) hold a special place in our hearts. Our red gums are bent and stretch up the hillside away from the prevailing winds. Red gums are not unique to the Fleurieu however, in fact, their high level of adaptability means that they have a distribution across Australia, most commonly occurring on floodplains and waterways as well as throughout higher rainfall regions.

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Not dead yet! After apparently dying in an unusually dry winter and spring, this year-old red gum seedling has re-sprouted from its base after receiving about 10mm of rain over several weeks.

With red gums as a significant species in the past ecosystem of our property, they’ve been a clear choice for revegetation. When planting, we’re constantly inspired by their resilience. I’ve heard it said that red gum roots grow at a centimetre a day, which puts them at over three-and-a-half metres a year. If it’s true, then it’s an indicator of their startling ability to find water and nutrients. We’ve been amazed by some of our red gums that have shot to almost 1.5 metres after a couple of years in the ground, but also by their apparent capacity for dormancy. Some seedlings will sit in dry, cracked clay soil for months on end, leaves green but not growing. Then, with a decent rain, they burst into new growth. Likewise, others appear to have died, leaving nothing but a dry stick until the opening rains of autumn when they reshoot from the ground, sending out a profusion of leaves and spindly branches. We’ve noticed some other plants behave similarly – the occasional melaleuca or acacia for example – but none so consistently and successfully resurrect themselves as the red gum.

Continue reading →

The Farm Year in Review: 2014

18 Thursday Dec 2014

Posted by Joel in events, livestock, planning, regeneration

≈ 6 Comments

Tags

design, ecology, events, farm, fencing, food, hiking, livestock, permaculture, planning, propagation, revegetation, seasons, sheep, southwestern Fleurieu, summer, tractor, water, winter, zones

2014 was a year where the dry season came early and stayed late. It seemed as if the rain barely had a chance to soften the ground and throw up some soursobs before our clay soils began to crack again and the pasture browned off. Despite this, after two years observing the rhythms of this patch of ground, I feel like we’re becoming more resilient and optimistic: where previously we despaired at every lost seedling, now we celebrate every survivor.

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Summer: a shingleback lizard soaks up some sunshine.

In the spirit of permaculture, this year also marks a transition from our observational period towards beginning to implement infrastructure for a sustainable farming enterprise. With fencing and water infrastructure for livestock, our appreciation of the need for water only deepens, and despite its challenges, we’ve learnt to stop worrying and love winter.

Continue reading →

Regeneration: Two years of practising patience

16 Sunday Nov 2014

Posted by Joel in ecology, planning, regeneration, trees, waterways

≈ 4 Comments

Tags

before and after, ecology, erosion, farm, fencing, kangaroos, permaculture, planning, propagation, revegetation, seasons, southwestern Fleurieu, trees, waste, waterways

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Some might consider Shark-mesh overkill for allowing rushes to regenerate.

In our first year of working on the farm, we really tried to practise the permaculture principle of long and thoughtful observation, but it always competed with our own impatience to see change. In that first flurry of clearing gullies and planting seedlings, I remember trawling the internet for before-and-after shots of other people’s reveg projects: something to help imagine a future for the block. Seasoned tree-planters told us we’d see real change in five years, the optimistic suggested three, others, fifteen.

PycnanthaRegen

Self-regenerating golden wattle (Acacia pycnantha) after two years, and protection from kangaroos. This wattle was one of four trees present on the entire property in 2012.

Now at the two year mark, we are noticing change. Removing cattle and fencing sensitive areas has allowed a fuzz of groundcover to begin growing over the barest of gullies. Fences have reoriented deer and kangaroo movement and grazing patterns. Some seedlings planted in the cold, soggy winter of 2013 appeared to die, but then surprised us by resprouting and growing at a cracking pace the following autumn. Other plants that were repeatedly pruned back to their tree-guard height by roos have invested their growing energy into roots and woody stems.

Continue reading →

Fencing Phase 2: Rotational Grazing and Zoning

06 Thursday Nov 2014

Posted by Joel in livestock, planning, regeneration

≈ 3 Comments

Tags

design, farm, fencing, kangaroos, livestock, permaculture, planning, revegetation, sheep, southwestern Fleurieu, zones

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A new fence and a kangaroo. Neither are particularly concerned about each other.

A year or so ago, we celebrated the first phase of fencing on the farm: defining our ‘wilderness zones’ by carving out seven-ish hectares of erosion gully, remnant vegetation and waterlogging for regeneration. We commented at the time at how much a few posts and wire redefines a sense of space. Now we’ve almost completed all of the major fencing for the property. What began as essentially one vast, 20-odd hectare paddock, has now been reshaped into 8 smaller paddocks, together with 3 revegetation zones/habitat corridors. Continue reading →

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