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Yarnauwi Farm

~ Fleurieu Peninsula, South Australia

Yarnauwi Farm

Tag Archives: erosion

Junk mining: one tonne gone…

17 Sunday Feb 2013

Posted by Joel in diy, regeneration, waterways

≈ 4 Comments

Tags

ecology, erosion, recycling, reuse, revegetation, soil, waste, water, waterways

If anyone asks, we're "agisting ponies". This terrifying rocking horse oversees one of the rubbish piles.

If anyone asks, we’re “agisting ponies”. This terrifying rocking horse oversees one of the rubbish piles.

As we’ve noted in our curated collection of farm-found rubbish, the largely idyllic setting of the property masks a narrow badland of erosion gullies repopulated with human trash. It’s bizarre sifting through it, a process of contemporary archaeology that often strays towards the forensic as we imagine the human story behind the array of objects gradually becoming swallowed beneath sediment and phalaris grass.

Work in progress (17/2/12)

Work in progress (17/2/12).

One of our missions is to clear the large rubbish from the gullies, increasing their habitat value and allowing us to more effectively address erosion and revegetation, while also allowing for the reuse and recycling of the accumulated items. On a blazing February morning, we helped a local scrap dealer begin to extract recyclable metal from one of the most dramatically eroded gullies. In an hour and a half we had well over a tonne of metal, in the form of a deep freeze (packed with coral, rainbow-coloured aquarium stones and empty tins of bourbon and cola), two washing machines, an electric oven and stove, a motorbike, three BMX bikes, an exercise bike, venetian blinds, chook wire, corrugated iron, steel tubing, downpipes, engine parts, metal drums, wheel rims and homemade farm machinery. Continue reading →

Sheoak Geometry

18 Friday Jan 2013

Posted by Joel in art & craft, diy

≈ Leave a comment

Tags

art, design, downloads, ecology, erosion, revegetation, seeds, trees

SheoakPodThe Drooping Sheoak (Allocasuarina verticillata) is a cracker of a tree and is quickly becoming one of our favourites. It produces the favoured cone for nibbling by the iconic black cockatoo, its prodigious needle dropping is excellent for protecting the soil and contributing to erosion control. The name Sheoak was apparently once ‘Shee-oak’, the ‘Shee’ referring to the sound of the wind blowing through a sheoak grove. The oak of the name refers to the tree’s fine-grained timber, making it excellent for turning. According to Primary Industries and Resources SA, the sheoak is also the “Rolls Royce” of firewoods, burning hot and leaving little ash. We also love it because of its generosity with seed and its ready germination.

Drooping sheoak pods releasing their winged seed.

Drooping sheoak pods releasing their winged seed.

In the delirium of seed collection, I started sketching sheoak cones, a process that has now evolved into the designs below. I’ve tried to reference the colours of both the developing cones and the distinctive grey-green foliage in these designs. Perhaps one day they’ll evolve into textile or wallpaper prints, but for now, they’re available for free download below as iPad and iPhone wallpapers. Let me know which one you like best!

sheoakpatterns Continue reading →

A Beginner’s Guide to Native Seed Collection

17 Thursday Jan 2013

Posted by Joel in diy

≈ 1 Comment

Tags

erosion, revegetation, seeds, trees

Sorting seed from the pods of the Golden wattle (Acacia pycnantha)

Sorting seed from the pods of the Golden wattle (Acacia pycnantha)

This property has brought with it a learning curve steeper than its erosion gullies. For example, over the summer we’ve been attempting to learn how to gather and germinate local indigenous species to prepare for planting when the rains return. It’s a pleasure that has seen our botanical Latin go through the roof.

A couple of resources have been invaluable in helping us do this. Todd Berkinshaw’s Mangroves to Mallee has been outstanding in both its assembly of the species present in different plant associations in South Australia, as well as its detailed information on common individual species. Neville Bonney’s What Seed Is That? is the bible for the aspiring South Australian native seed collector and has detailed profiles on seed gathering of individual plants from across central southern Australia. Continue reading →

Planning for Regeneration

15 Tuesday Jan 2013

Posted by Joel in planning

≈ 3 Comments

Tags

ecology, erosion, kangaroos, permaculture, planning, revegetation, soil, summer, trees, water

IMG_2030Strangely, one of the things that attracted us to this particular patch of ground was its need for regeneration. With only three established trees on all 47 acres, one of our first projects is to plan revegetation in an attempt to return areas of the landscape to a reflection of the Pink Gum Woodland it likely was 180 years ago.

Imagining Pink Gum Woodland, based on local seeds we've gathered. (Illustration by Joel)

My imagined Pink Gum Woodland, based on local seeds we’ve gathered.

In the spirit of the permaculture principle of observation before action, we’ve been restraining our compulsion to do stuff to instead spend the first year or so primarily attempting to learn the patterns of the landscape, auditing what’s here and reflecting on possibilities before we start digging holes. Continue reading →

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