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University: University of St Andrews
Sector(s): Environment & Sustainability, Food & Drink
About Opportunity:
The NMAD can be implemented by modifying existing devices which then leads to a dramatic increase in efficiency of the device.The signals used in the NMAD have been designed using the latest findings on the auditory system of mammals and mammalian reactions to sounds. The integration of reflex reactions as well as learning responses and innate aversiveness responses of animals to sounds has allowed the design of highly target-specific signals. The NMAD has been tested in various settings including a test trial on a fish farm during which no evidence for habituation of the strong avoidance response shown by seals and no detrimental effects on whales, dolphins or porpoises were evident. NMAD can be adjusted to target all marine mammals which could be useful for mitigation of detrimental effects on animals in other applications like pile driving or seismic explorations.
Key Benefits:
Our methodology makes use of physiological responses in mammals that make habituation highly unlikely.
The NMAD uses a greatly reduced acoustic output that makes it less detrimental for the environment.
The method is more effective than that of previous acoustic deterrence devices.
Applications:
The current NMAD is flexible and could be used by the following:
permanent installations at fish farms to protect stock from predator attacks
fishermen at sea to reduce by-catch of sea mammals
the off-shore industry wishing to keep an area of sea clear of sea mammals
With further development the NMAD could be modified for other environments such as game reserve control & estate management
IP Status:
The University of St. Andrews has applied for patent protection (UK Patent Application No. 0707640.9).
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