Automated Blast Fishing Detector

Gregor Hodgson rcgregor at ust.hk
Tue Dec 8 04:09:48 EST 1998


A group here in HK is interested in designing an automated blast-fishing
detector. While we can all see and hear blasts when on the beach or
diving -- there is not a lot of info as to frequency. Even in areas
where blast fishing is common, it is difficult to know how much blast
fishing is going over the medium scale of 10s of square kilometers. The
concept is that an unmanned automated sound detector and direction
finder might be useful to law enforcement agencies who could use
evidence of a high frequency of blast fishing activities to justify
diversion of resources to more monitoring and enforcement.

If you have information about any hydrophone recordings of dynamite or
ammonium nitrate bombs, inexpensive off the shelf hydrophones, or
attempts to build such automated sensors, could you please send the
information to Mr. George Woodman at <george at hwoodman.demon.co.uk>

Thank you for your help.
Greg
-- 
Gregor Hodgson, PhD
Institute for Environment and Sustainable Development
Hong Kong University of Science and Technology
Clearwater Bay, Hong Kong
Tel: (852) 2358-8568    Fax (852) 2358-1582
Email: <rcgregor at ust.hk>
Reef Check: http://www.ust.hk/~webrc/ReefCheck/reef.html



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