Performance of herring larvae in a simulated future ocean food web, using the “Kiel Off-Shore Mesocosms for future Ocean Simulations”

We studied the combined direct physiological and indirect food web effects of ocean acidification on herring larvae inside pelagic mesocosms. A natural plankton community of the Gullmarsfjord, Sweden was enclosed in the Kiel Off-Shore Mesocosms for future Ocean Simulations (KOSMOS) for 113 days from March to June 2013 at ambient and projected end-of-the-century CO2 levels (~760 µatm pCO2). Herring eggs were introduced into the mesocosms, where they hatched in mid of May. The larvae developed inside the mesocosms for ~6 weeks, feeding on prey organisms that experienced treatment CO2 levels for ~9 weeks. This video is meant as an illustration of the herring larvae«s performance inside our mesocosm units.

Sswat M., Boxhammer T., Jutfelt F., Clemmesen C. & Riebesell U., 2016. Performance of herring larvae in a simulated future ocean food web, using the “Kiel Off-Shore Mesocosms for future Ocean Simulations”. Video abstract.

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