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Abstract: Phosphorus input from stormwater runoff is the leading cause of
eutrophication in the Charles River and the target of a new federal regulatory program to
dramatically reduce nutrient loadings from three municipalities in the upper watershed. The
integration of nonstructural best management practices (BMPs), which target phosphorus at
or near its source, into municipal nutrient manage... read morement plans could provide substantial cost
savings over a solely structural approach. However, phosphorus sources in urban
environments are poorly understood, and treatment strategies hard to evaluate and
incorporate into regulatory statues. A literature-based loading model developed in this
study suggests that municipal programs could substantially reduce phosphorus loadings by
addressing nutrient input from various nonpoint sources, particularly from dog waste, lawn
runoff, and leaf litter. The implementation of creative community-based social marketing
programs could offer cost-effective means to reduce loadings from these and other sources
that lie largely beyond the scope of regulatory controls; however, more evidence is needed
to evaluate their performance.
Thesis (M.A.)--Tufts University, 2011.
Submitted to the Dept. of Urban and Environmental Policy and
Planning.
Advisor: Scott Horsley.
Committee: Barbara Parmenter.
Keywords: Water resources management, Urban planning, and Public
policy.read less
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