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Recording

Recording. Some instruments used:. The hydrophone and headphones were both plugged into a cassette tape recorder The hydrophone was submerged into water and then left under water for an hour, while recording The recordings were uploaded, segmented, and then made into spectrograms

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Recording

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  1. Recording Some instruments used: • The hydrophone and headphones were both plugged into a cassette tape recorder • The hydrophone was submerged into water and then left under water for an hour, while recording • The recordings were uploaded, segmented, and then made into spectrograms • Duplicated segments were filtered, and/or amplified (if needed)

  2. Results

  3. Anthropogenic and Bioacoustic sounds

  4. Spectrogram of the Striped Cusk Eel

  5. Spectrogram of Oyster Toad Fish

  6. Circle Line Dock Water taxi

  7. Motor Boat Creak Jet-Ski

  8. Ferry Zephyr Fire boat

  9. Discussion

  10. Conclusion • Many anthropogenic sounds and bioacoustics sound have been recorded as a range of frequency, instead of at one particular pitch • Higher amplitudes can not only confuse fish, but even change their behavior

  11. References • Clark, April 10th, 2000 “underwater noise” • Costa, Hayes, December 13th 2001, “underwater acoustics pollution” • Dr. Rountree- Fish Ecology- Listening to Fish • Fay Edds –Walton, October”, 2000, “Frequency response of auditory brown stem units and toadfish (opsanas tan) • Haynes,frisch- “an illustrated guide to Hudson River Fish- March 1993 • Parker-MC Graw Hill Dictionary of scientific and technical terms 1994 • Poland fish, Marie. “the production of underwater sound by the northern seahorse, hippocampus hudsonias. Copeia, vol. 1953, No.2 (May,29,1953) pp 95-99 • Stanne, Panetta,” The Hudson- an illustrated guide to the living river.(1996) • Wenz, G.M. 1962. “Acoustic Ambient Noise in the Ocean: Spectra and Sources. Journal of the Acoustics Society of America”, 34,1936-1959

  12. Acknowledgements • Cathy Drew • J.T. Boehm • Jedtsada Laucharoen • Alex Harding • Chris Anderson • Dr. Sat

  13. Harlem Children Society • Memorial Sloan Kettering Cancer Center • Mr. Edward Irwin (Freeport High School) • Ms. Thompson ( Gregorio Luperon High School)

  14. And you for listening! Thank you!

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