How do you plant 1 billion trees a year? With drones, of course

April 7, 2015

By: TreeHugger

Drones, or unmanned aerial vehicles (UAVs), have taken off in popularity recently, with hobbyists and professionals alike using these small remotely-guided devices for everything from delivering packages to surveying wildlife populations, but one startup has a very ambitious plan for their drones, and one that could have a huge positive impact on global deforestation.

“We are going to counter industrial scale deforestation using industrial scale reforestation. Destruction of global forests from lumber, mining, agriculture, and urban expansion destroys 26 billion trees each year. We believe that this industrial scale deforestation is best combated using the latest automation technologies.” – BioCarbon Engineering

BioCarbon Engineering, based in the UK, has developed a system of planting trees with drones, at just a fraction of the cost (15%) of traditional reforestation methods, and at a speed that manual planting can’t match – up to 10s of thousands of trees planted per day – and aims to plant 1 billion trees per year using this technology.

This approach, using an industrial-scale reforestation method, isn’t quite ready for prime-time, but its prototype, which won £20k in funding from the Skoll Centre for Social Entrepreneurship last year, is expected to be built into a fully functioning platform by the end of the year.

The BioCarbon Engineering drone tree planting system doesn’t just send out quadcopters full of tree seeds to disperse them over the land, but instead first uses detailed terrain data to build high resolution 3D maps of the areas to be reforested. The planting drones then fly out and perform “precision planting activities” in those areas, by firing a pregerminated seed pod into the soil with pressurized air, with the pod beingencapsulated in a nutrient-rich hydrogel for “high up-take rates.” After planting, the drones will also be used to audit and monitor the reforested sections to assess the recovery of the areas.

BioCarbon Engineering, based in the UK, has developed a system of planting trees with drones, at just a fraction of the cost (15%) of traditional reforestation methods, and at a speed that manual planting can’t match – up to 10s of thousands of trees planted per day – and aims to plant 1 billion trees per year using this technology.

This approach, using an industrial-scale reforestation method, isn’t quite ready for prime-time, but its prototype, which won £20k in funding from the Skoll Centre for Social Entrepreneurship last year, is expected to be built into a fully functioning platform by the end of the year.

The BioCarbon Engineering drone tree planting system doesn’t just send out quadcopters full of tree seeds to disperse them over the land, but instead first uses detailed terrain data to build high resolution 3D maps of the areas to be reforested. The planting drones then fly out and perform “precision planting activities” in those areas, by firing a pregerminated seed pod into the soil with pressurized air, with the pod beingencapsulated in a nutrient-rich hydrogel for “high up-take rates.” After planting, the drones will also be used to audit and monitor the reforested sections to assess the recovery of the areas.

As great as the BioCarbon drone tree-planting program looks at first glance, there are a number of questions that come to mind for me, including the long-term viability of UAV-planted seeds, based on the limited usefulness of other aerial seed broadcasting systems that have already been trialled. Hand planting of tree seedlings by trained foresters has a fairly high rate of success, as it allows for humans to make the call as to exactly where and how deep to plant the baby trees, whereas shooting tree seeds into the soil seems like it would be prone to high failure rates. And if this system will be used to plant monoculture forests, as is often the case when replanting clear cuts, then is it any better for the ecosystem in the long run than traditional reforestation efforts?

For now, don’t wait for the drone tree planters to do all the work, because it may be years before we see this system adopted. And even if you can’t plant thousands of seedlings per day, you certainly can plant and nurture at least a few appropriate trees in your yard or neighborhood each year, and with much more precision and care than any flying robot can.

By: TreeHugger

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