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Fatty Acid Markers as an Indicator for Temporal Changes in Food Sources of the Bivalve Quidnipagus Palatum

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dc.creator Bachok, Zainudin
dc.creator Meziane, Tarik
dc.creator Mfilinge, Prosper L.
dc.creator Tsuchiya, Makoto
dc.date 2016-07-08T12:29:13Z
dc.date 2016-07-08T12:29:13Z
dc.date 2009
dc.date.accessioned 2018-03-27T08:23:47Z
dc.date.available 2018-03-27T08:23:47Z
dc.identifier Bachok, Z., Meziane, T., Mfilinge, P.L. and Tsuchiya, M., 2009. Fatty acid markers as an indicator for temporal changes in food sources of the bivalve Quidnipagus palatum. Aquatic Ecosystem Health & Management, 12(4), pp.390-400.
dc.identifier http://hdl.handle.net/20.500.11810/2926
dc.identifier 10.1080/14634980903347589
dc.identifier.uri http://hdl.handle.net/20.500.11810/2926
dc.description Full text can be accessed at http://www.tandfonline.com/doi/abs/10.1080/14634980903347589
dc.description Changes in the fatty acid composition in the tissues of the bivalve Quidnipagus palatum from the Tomigusuku intertidal flat, Okinawa, Japan, collected in four different seasons (November 2000, the beginning of cold season; January 2001, the cold season; May 2001, the rainy season; and July 2001, the warm season) were examined and compared to the composition of surface sediments and suspended particulate materials. Assessment of fatty acid markers suggested that the food sources of Q. palatum differed between seasons and depended on the sources of organic material present in the sediment and water column. Vascular plants and bacteria were the main dietary components from July to November because of their abundance in the sediment. From November to January, macroalgae and phytoplankton were the major food sources of Q. palatum, corresponding to their predominance in sediments and algal blooms, respectively. During the May rainy season, organic matter in the sediment was dominated by diatoms, whereas the water column contained diatoms and resuspended macroalgal detritus. The transition to the warm season by July significantly increased the contribution of diatoms to the organic matter present in both the sediment and the water column. Consequently, from May to July, diatoms became the main food source for Q. palatum.
dc.language en
dc.publisher Taylor and Francis
dc.subject Fatty acid biomarkers
dc.subject Sediment
dc.subject Intertidal flat
dc.subject Okinawa
dc.title Fatty Acid Markers as an Indicator for Temporal Changes in Food Sources of the Bivalve Quidnipagus Palatum
dc.type Journal Article


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