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T1  - Denitrification in an oligotrophic estuary: a delayed sink for riverine nitrate 
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UR  - http://hdl.handle.net/10138/230263 
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A1  - Hellemann, Dana; Tallberg, Petra Astrid Sofia; Bartl, Ines; Voss, Maren; Hietanen, Siru Susanna 
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Y1  - 2017 
LA  - eng 
AB  - Estuaries are often seen as natural filters of riverine nitrate, but knowledge of this nitrogen sink in oligotrophic systems is limited. We measured spring and summer dinitrogen production (denitrification, anammox) in muddy and non-permeable sandy sediments of an oligotrophic estuary in the northern Baltic Sea, to estimate its function in mitigating the riverine nitrate load. Both sediment types had similar denitrification rates, and no anammox was detected. In spring at high nitrate loading, d... 
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KW  - 1172 Environmental sciences; Coastal filter; Northern Baltic Sea; Nitrogen; Sand sediment; Particulate organic nitrogen; Isotope pairing technique; Quark Strait; ANAEROBIC AMMONIUM OXIDATION; ISOTOPE PAIRING TECHNIQUE; STIRRED BENTHIC CHAMBERS; COASTAL MARINE-SEDIMENTS; NORTH-ATLANTIC OCEAN; BALTIC SEA; ORGANIC-MATTER; NITROGEN BIOGEOCHEMISTRY; PERMEABLE SEDIMENTS; SEASONAL OXYGEN 
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