Nitrogen mysteries in urban grasslands
Tuesday, October 13, 2009 - 13:28
in Earth & Climate
MADISON, WI, OCTOBER 12, 2009 -- Areas of turf-forming species created and maintained by humans for aesthetic and recreational (not grazing) purposes, i.e. "urban grasslands" are an extremely common, but poorly studied ecosystem type. There are over 150,000 km2of urban grasslands in the U.S.