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Denitrification Potential in Urban Riparian Zones

Peter M. Groffman and Marshall Kamau Crawford

Institute of Ecosystem Studies, Box AB, Millbrook, NY 12545. Received 20 June 2002. *Corresponding author Published in J. Environ. Qual. 32:1144–1149 (2003)



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Fig. 1. Denitrification enzyme activity in soils (0–10 cm) from four urban and four rural riparian sites in the Baltimore metropolitan area, June 1998. Two of the sites in each land use class had forested vegetation cover and two had herbaceous vegetation cover.

 


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Fig. 2. Denitrification enzyme activity in soils (0–10 cm) from eight riparian sites from urban or rural land use settings with forested or herbaceous vegetation cover versus soil moisture (top panel) and soil organic matter (bottom panel).

 





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