Leaf litter additions enhance stream metabolism, denitrification, and restoration prospects for agricultural catchments
JM O'Brien, HJ Warburton, SE Graham… - …, 2017 - Wiley Online Library
Globally intensive agriculture has both increased nitrogen pollution in adjacent waterways
and decreased availability of terrestrially derived carbon frequently used by stream
heterotrophs in nitrogen cycling. We tested the potential for carbon additions via leaf litter
from riparian restoration plantings to act as a tool for enhancing denitrification in agricultural
streams with relatively high concentrations of nitrate (1.3–8.1 mg/L) in Canterbury, New
Zealand. Experimental additions of leaf packs (N= 200, mass= 350 g each) were carried out …
and decreased availability of terrestrially derived carbon frequently used by stream
heterotrophs in nitrogen cycling. We tested the potential for carbon additions via leaf litter
from riparian restoration plantings to act as a tool for enhancing denitrification in agricultural
streams with relatively high concentrations of nitrate (1.3–8.1 mg/L) in Canterbury, New
Zealand. Experimental additions of leaf packs (N= 200, mass= 350 g each) were carried out …
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