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SUMMARY:Observing the behavior of individual crustacean zooplankton using 
 optics and acoustics. - Dr Jules Jaffe (SCRIPPS\, University of California
 )
DTSTART:20100721T150000Z
DTEND:20100721T153000Z
UID:TALK25544@talks.cam.ac.uk
CONTACT:Sophie Fielding
DESCRIPTION:A significant challenge in observational marine ecology is the
  need to measure the behavior of individual animals in their natural envir
 onment.   This is especially true of small animals such as euphausiids and
  copepods whose contribution to the oceanic food chain is vital.   Over se
 veral decades\, our group in underwater imaging has developed several tool
 s that use high frequency acoustics and also optics to observe animal beha
 vior and small-scale features of the ecosystem.  As one example\, observat
 ion of copepod behavior supports the important role that individual behavi
 or plays in the overall ecosystem dynamics [1].  Most recently\, using mul
 tispectral optical methods\, we have developed an underwater camera system
  that permits visualization of copepod gut fluorescence\, and hence\, an e
 stimate for animal ingestion [2].  In this talk\, I will describe several 
 discoveries that we have made using our technology in addition to pointing
  out future areas for work. \n\n[1] Genin\, A\, Jaffe JS\, Reef R\, Richte
 r C\, Franks PJS.  2005.  Swimming Against the Flow: A Mechanism of Zoopla
 nkton Aggregation. Science. 308:860-862.\n \n[2] Karaköylü\, EM\, Franks
  PJS\, Tanaka Y\, Roberts PLD\, Jaffe JS.  2009.  Copepod feeding quantifi
 ed by planar laser imaging of gut fluorescence. Limnology and Oceanography
 : Methods. 7:33-41.\n
LOCATION:British Antarctic Survey\, Room 330B
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