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Yarnauwi Farm

~ Fleurieu Peninsula, South Australia

Yarnauwi Farm

Tag Archives: island

Making a floating habitat island

12 Thursday Jul 2018

Posted by Joel in ecology, propagation, regeneration, waterways

≈ 2 Comments

Tags

birds, dam, design, ecology, habitat, how to, island, making, revegetation, water, waterways

DCIM100GOPRO

The planted habitat island, ready to launch

Regular readers and supporters of our farm will be familiar with the challenges we’ve faced trying to re-establish native vegetation in the face of large populations of rampaging herbivores. Inspired by an idea from @nature_at_work_ (check them out on Instagram) and folks around the world working to increase urban and rural habitat, we thought we’d construct a floating habitat island.

Once installed in the dam, we hoped the island would function as a seed bank for aquatic plants, a fox-proof roost for waterbirds, and offer filtration through the plant roots as well as aquatic shelter and habitat.

During the summer, our friend Shani, assisted by a team of kids, got to work assembling a frame from some leftover PVC stormwater pipe to act as the float, with a length of shade cloth salvaged from our gully junk to act as a base onto which we could later plant local aquatic plants. The frame was tied to a rock anchor and then launched with great ceremony.

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The official launch of the habitat island (and anchor)

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Installation requires a great deal of precision and technical know-how.

In the following months, the island became popular with waterbirds of all types, with ducks often spotted perched on the floating edge, grebes diving underneath and the enclosed centre of the island becoming coated with feathers and bird manure. Continue reading →

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Thanks to everyone who came joined us on our farm tour as part of @historyfestival and @heritagefleurieucoastfestival - we really appreciate your interest and enthusiasm!
We're honoured to have this story pop up on @abcnews_au sharing some of the work we've been doing to regenerate our patch. Our deepest thanks to all the friends, neighbours and family who have helped transform the property over the last decade!
It's been a good year in our little orchard, with plenty of ripe figs for us - and others! Here's one we found, positioned just like this on top of a fence post. I'm looking for a raven with fig juice running down its chin.
It might have an Instagram-unfriendly level of detail, but here's a comic Joel's been working on about our relationship with a particular weed, and some of the people who have inspired us to rethink how we manage it. You can have a look at the whole thing on our blog.
For the last few years we've been planting acorns in our front paddock. They're for Holm oaks (Quercus ilex), adapted to a similar dryland Mediterranean climate as ours. They're evergreen, and in decades to come will offer shade, fire suppression and both stock and human feed throughout their acorns. They're slow growing at best, but we've been able to get them growing with mulch, complete organic fertiliser and occasional watering. We've sliced pickle barrels into rings and partially buried them to form a well to hold water in the root zone when watering. The difference between those with and without the wells is pronounced. This little one is perhaps 3 years old, direct seeded.
After a couple of years, our stone terrace garden is complete and freshly planted with a pomegranate, mulberry and loquat. Thanks to @anacotillasprings for the stone! The scraps of mesh and sheep panels will keep the kangaroos off while we establish the garden.
The nopal with a fighting spirit! 💪 For years this single old prickly pear pad sat in a metal bucket only half full of soil, repeatedly gnawed at and knocked over by roos and presumed to be long dead. A bit of heat and dose of summer rain and what a resurrection! With its delicious fruit and young pads, we are so lucky to have such tough plants in the world!🌵#opuntia #pricklypear
We have reached a major milestone with the arrival of a Superb Fairy-Wren family! This is one of the species we have most been trying to attract by planting plenty of dense bushes for cover. In the end they used chest-high brassica weeds to hop up from the Anacotilla creek valley, and have set up a nest in one of our Old Man Saltbushes. One blue male and two brown females/juveniles can now be heard merrily cheeping as they flit along our wildlife corridors from saltbush to saltbush to kangaroo thorn to feral fig tree - just goes to show weeds have their place in habitat creation! 🌿 (this image taken at a different location). #maluruscyaneus #superbfairywren #fleurieucoast
"The best fertiliser is the farmer's footsteps," goes the old proverb, so we try and make a habit of walking and observing what's going on, whenever we can. Here's a few spring time happenings: Christmas beetles arrive, shinglebacks on the move, callistemons in a pollination frenzy, and roos chilling in the shade in small family groups. Observing helps us to understand what's working and inspires us to keep going.

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