MEPS - Vol. 312 - Feature article

Thalassia testudinum meadows exhibit an exceptional ability to assimilate water-column nutrients. Photo: Paige Gill, FKNMS

Cornelisen CD, Thomas FIM

 

Water flow enhances ammonium and nitrate uptake in a seagrass community

 

Using a portable flume and nitrogen isotope tracers, Cornelisen & Thomas demonstrated that increased water flow accelerates the in situ uptake of nutrients in a seagrass community. Their results identify epiphytes and phytoplankton as the primary short-term sinks for water-column nutrients and provide further evidence that seagrasses play an integral role in the long-term benthic retention of nitrogen.

 

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