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Yarnauwi Farm

~ Fleurieu Peninsula, South Australia

Yarnauwi Farm

Tag Archives: insects

Tiny communities

27 Monday Jan 2020

Posted by Joel in ecology, regeneration, trees

≈ 2 Comments

Tags

ecology, farm, Fleurieu, Fleurieu Coast, insects, photography, revegetation, seasons, southwestern Fleurieu, spiders, summer, trees

New growth on a red gum sapling.

We’ve been talking a bit recently about when a woodland becomes a woodland. Asher suggested 500 years of growth, but was willing to settle for 50. Perhaps it’s a woodland when the birds think so, when the firetails and blue wrens jump the boundary fence from neigbouring scrub and decide they’re safe flitting from branch to branch. As our earliest plantings grow taller than humans, and the canopies thicken and throw shade, we started noticing an increasing diversity of tiny life. Insects for whom a gum or wattle tree is their universe are finding their way across the paddocks to settle in the emerging plantings. Despite the heat and dry of summer, the trees are heaving with insect life. We recently saw the documentary The Biggest Little Farm about an idealistic (and evidently well-funded!) couple who start a diverse 200 acre farming project outside of Los Angeles. One of the messages of the film is that when you create the right conditions, nature finds a balance. As we walked through the saplings, on one, the new growth and leaves were being systematically devoured by small copper coloured beetles. We walked to the next tree, the copper beetles were present, but as we watched, were body slammed by wasps and carried away. At the next, the beetles had been busy, but now a spider had arrived, and was meticulously wrapping the beetle population in silk. Perhaps these tiny communities are beginning to find the balance too.

Here’s a tour of some of the life on the trees – we’d love your help with identification!

Beetle eats leaf.

Spider eats beetle.

Ants farm aphids on an Acacia.

A huntsman and egg sac.

Leafhopper, with comrades.

Two-spotted cup moth caterpillar.

Case moth cocoon, constructed from silk and twigs.

Ants on twisty leaves. What’s going on?!

Wasp galls on a golden wattle.

Small mysteries: A year in bugs

27 Saturday Sep 2014

Posted by Joel in ecology, regeneration, trees

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Tags

ecology, farm, insects, photography, seasons, southwestern Fleurieu, summer, trees, winter

As part of our record-keeping, in the almost-two-years since we bought Yarnauwi we’ve tried to document the natural phenomena we observe season by season. At the end of each year, we go back over our journals and add what we’ve discovered to the records of the previous year. Over time, we hope, we’ll get a much more complex understanding of the ecological patterns that occur in our landscape, as well as the changes that may occur as a result of our activities.

Already, in the short time we’ve been on the block, we’ve noted shifts in the populations and presence of certain plants and creatures. While we often overlook insects, when looking back through our photos and notes, we realised that we have actually been observing their more subtle role through the seasons: the sudden chorus of crickets after the opening rains, or the way the grass flickers with grasshoppers in late summer. In their honour, here’s a year in bugs. Representing less than a couple of years of observation, it’s far from authoritative, but perhaps it offers the beginnings of a pattern.

Autumn

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Crickets sing from the cracked soil after the first flush of rains.

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Bardi grubs (Rain moth pupae) emerge from the soil around the River red gums following the first rains.

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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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