Hollund Industrial Marine's underwater tree harvesting could be very profitable. According to the Ecology Global Network, a worldwide on-line university catering to environmental issues, the business of harvesting underwater trees could be worth billions of dollars. EGN also states that harvesting the timber will not only provide employment and revenues, it will eliminate navigational and shipping hazards, because boat collisions with submerged tree stumps cause many fatalities every year.

A big advantage of Hollund's TigerLynk remote controlled robotic arm used for underwater logging is that it can safely harvest underwater timber without endangering human divers. EGN reports that freelance loggers in Brazil still dive with pneumatic saws and let the logs fly to the surface like submarine fired ICBMs. The loss of life and injury as well as equipment damage is high.

http://www.ecology.com/2008/09/09/underwater-timber-logging/