%0 Journal Article %J Ecosystems %D 2005 %T N retention in urbanizing headwater catchments %A Wollheim, W. %A Pellerin, B. %A Vorosmarty, C. %A Hopkinson, C. %K export %K impervious %K inorganic nutrients %K loading %K LTER-PIE %K nitrogen %K residential %K retention %K urban %K watershed %B Ecosystems %V 8 %P 871-884 %G eng %M PIE156 %] NSF-LTER-PIE %R 10.1007/s10021-005-0178-3 %F Journal Article