In South Africa, they monitor crop health from above, which boost harvests, according to CNN.
Police around the world are keen to use small pilotless aircraft to help them nab fleeing criminals and monitor crime scenes from above.
A panel discussion was devoted to "Sousveillance Culture," sousveillance being the Situationist term for watching from below ("sous" means under in French) rather than monitoring from above.
Their effectiveness will be monitored from above by high definition cameras being made in the Rutherford Appleton laboratory in Oxfordshire, UK, due to be mounted on satellites and launched into orbit in the next two years.
Authorities moved in with trucks, police cars, Humvees and buses, the AP said, while helicopters and a fixed-wing airplane monitored from above.
The fish behavior was monitored from above by a CCD camera, XC-ST70 (SONY, Tokyo, Japan) and recorded on the hard-disk drive of a personal computer (30 frames per second).
And helicopter officers, accustomed to monitoring car chases and fleeing criminals from above, were certain to keep a special watch on the area.
"The presence of the UAVs will also serve as a deterrent to poachers since they now know the parks are being monitored both on the ground and from above". The drones are being flown over the Kaziranga National Park, some 200 kilometres (120 miles) from Guwahati, in the northeast of the country, park officials said.
Businesses use them to film or monitor operations from above.
UAVs enable innovative approaches for monitoring the health and stability of structures from above and below.
