Unique methods to keep elephants away from human settlements

Unique methods like use of LED lights with siren and bio-acoustics are being used by Forest department to keep elephants away from human settlements in interior areas of Odisha's Sundergarh district.
The new techniques are put to use as the wild animals have made life miserable for the residents in several areas like Hemgiri, Sabdega and other places, Forest officials said.
The jumbos demolish houses destroy standing crops like paddy and vegetables. Farmers appear to be more worried about protecting the paddy and other farm produces.
"We are now using some new techniques and plans are afoot to introduce some other methods for which we need government's approval," said Divisional Forest Officer (DFO) Sundergarh, Arun Kumar Mishra.

Amongst the techniques being used are LED lights with sirens, scare away guns and bio-acoustics. "The LED lights and sirens are being used after the experience in Jaspur in Chhattisgarh," said the DFO.
The high power lights along with sirens are helping in scaring away the jumbos. However, these have limited effect.

What really helped was the scare away guns. The scare away gun is nothing but a big look alike of an old artillery gun kept at forts along with a gas cylinder. In 45 seconds it will fire one shot making a deafening sound of enough decibel to scare away the elephant, he said.

"This is not 100 per cent successful but so far has scared the elephants away," said Mishra.
The bio-acoustics is nothing but a machine, which has sounds of animals like boar and elephants when they are in stress or distress.
"This helps but has to be used in
isolation because elephants are very clever when they listen human voices along with this they do not go away as they understand no one is in problem," said Mishra.
This was used in Athagarh, he said adding these three methods have limitations.
Another method which is in use in the US is called the radio collar use.

"A radio collar is put on the elephant after tranquilising it," said the DFO.
The collar will prevent the
Jumbo from crossing
certain limit by sending some electric shocks. As a result it will come back, he said.
However, the Forest department is waiting for the government clearance to use it, he added.