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Drones rebuilding burnt landscapes

Madeleine Achenza

Australian drone companies are automating the reforestation of 30 million hectares of land lost during the bushfire season, with one prototype capable of planting 40,000 seeds per day.

During the bushfire season, drones have been used to survey land, identifying and quantifying wildlife, plant species, and property that has been lost. 

On the South Coast, animal welfare agency WIRES has partnered with tech company, UAV, using drones to find injured wildlife

The SES and Defence Force have also used drones and unmanned boats to transfer supplies to stranded locals in the village of Wytaliba, in Northern NSW. 

The next step is using drones to reforest decimated areas, with one start-up, Air Seed, raising capital to be the first company in Australia to do so. 

Andrew Walker, co-founder of AirSeed, says its drones can plant two seeds every second, which is approximately 40,000 trees a day. The drones fly above the affected area, dropping pods filled with local soils and native plant seeds in a grid pattern.

To achieve their goal of planting 100 million trees a year by 2023, AirSeed would require as few as eight drones in operation every day of the year.

AirSeed began its first benchmark trials in Africa in June, having engineered a seed pod that can be modified to suit the needs of global environments. The company can customise the seed pods with local soils, getting the balance of minerals correct for each species and area.

As Walker explains to Innovation Intelligence, “You can’t be planting the same seed pods in South Africa that you would use in Australia, so we had to develop a solution, which was to manufacture onsite.”

A 20ft shipping container can be transported to each site, with tools to turn the raw materials collected locally into a tailored seed pod. 

On the South Coast of NSW, AirSeed is collaborating with local forest management and timber exporter, Pentarch Forestry, to supply seeds. 
“The problem is so large, I mean, we've lost so many species: trees, grass, everything,” said Walker, “We are restoring a native forest. You have to restore it in a way that is balancing the ecosystem and introducing foreign seed stock it's just not a viable solution.”

Pentarch Forestry currently exports softwood and hardwood log species, including Shining Gum, Southern Blue Gum and Sydney Blue Gum, all native to eastern Australia. 

Even with a germination rate of 80 per cent, AirSeed says survivability of plants beyond the first eighteen months is critical during reforestation. Extreme weather events such as flash flooding and bushfire can uproot successful germinations, and are becoming increasingly common due to climate change.

Walker says, “We don't just plant them in the ground and walk away. We’re constantly involved once they're in the ground to ensure that they're successful.”

According to the company, there are only two competitors for AirSeed in drone reforestation of bushfire zones: Drone Seed, based in Seattle, USA and Dendra Systems, based in Oxford, UK. Walker contends that AirSeed has a better carbon composition than the competition in its seed pods to increase survivability, but welcomes the competition.

Walker says, “We need to find a way to help mitigate the problem. This is such a new industry, we see it as a collaborative industry as well. We want each other to be successful because at the end of the day, the problem is so big that we want people to come up with ideas to try to solve it.”
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The short-term nature of Government (3 to 4-year terms), the short-term horizon of the business system (driven by shareholder value), the media culture (infotainment and ‘gotcha’ games), the general Australian population’s cynical perspective and a preoccupation with a lifestyle all create a malaise of strategic thinking and conversation. Ultimately, it leads to a leadership vacuum at all levels. 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