High-tech deterrent devices protect crops from … intruding elephants?

Lasers to deter birds in Canadian orchards are one innovative way to handle beasts that can damage crops.

But birds are small. You know what’s large?

Elephants.

True, elephants on the Prairies aren’t a problem. But elephants in Africa are — and they’re without a doubt the largest pest farmers have to deal with.

In fact, elephants are capable of destroying an entire crop in one night if they manage to break into a plantation and gorge on bananas or nuts. It can be devastating for African farming communities.

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Enter a different type of innovation to deter animals that can damage crops.

The Commonwealth Scientific Industrial Research Organization (CSIRO), an Australian research agency, learned of this problem and realized there wasn’t much out there to stop the massive creatures from munching.

To find a solution, CSIRO partnered with Olam International to develop a deterrent that would protect crops but not harm the animals, which have seen their numbers sharply decline due to poaching and habitat destruction.

The deterrent they developed is called Vertebrate Pest Detect-and-Deter, or VPDaD for short. It’s a motion sensor device equipped with cameras that can take regular photos and heat images.

When the device realizes an elephant is nearby, it emits light and makes noises, which are things elephants don’t like, according to CSIRO’s website.

But the VPDaD goes one step further. If an elephant gets used to the noise that the device is making, it will sound off another noise, and keep sounding off different noises until the elephant is truly scared. The device then remembers to use that same noise again if an elephant returns.

After doing tests in Gabon, Africa, researchers determined the VPDaD was a success.

Now, they’re going to see if the devices can work in Australia to deal with pests there by conducting trials with businesses and farms.

If it works, animals like rabbits, feral pigs, wallabies, foxes, and dingoes may no longer be taking massive bites out of farmers’ fields and pocketbooks.

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