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High Daily And Year-Round Variability In Denitrification And Nitrogen Fixation In A Northern Temperate River, Kevin Nevorski, Amy M. Marcarelli
High Daily And Year-Round Variability In Denitrification And Nitrogen Fixation In A Northern Temperate River, Kevin Nevorski, Amy M. Marcarelli
Michigan Tech Publications
Rates of nitrogen (N) cycling processes like denitrification and dinitrogen (N2) fixation, which together are the primary contributors to N2 flux rates from surface waters, may change at different time scales from seasons to weeks to days. Yet, we know little about the magnitude, mechanisms or drivers of these temporal changes, especially at shorter daily and weekly timescales. Quantifying variation in rates and drivers across temporal scales is essential to understand how nutrient cycling processes operate in aquatic ecosystems and predict how they may respond to shifting seasonal dynamics caused by global change (i.e., earlier snowmelt and extreme weather events). …