The Effects Of Pollution On Urban Stream Syndrome

Introduction Fig A. Conceptual Figure. This figure describes how our focus relates to Portland and cities in general, as well as the impact of pollution on urban stream syndrome. The objective of this research proposal is to utilize bioswales to determine methods to better comprehend â€Å"Urban Stream Syndrome.† This syndrome is often caused by urban stormwater runoff and sanitary sewer overflow and manifests in a way that can lead to a dangerous divergence from natural stream conditions, often creating homogeneity as less resistant organisms die off (Walsh, 2005). In particular, we strive to identify which bioswale plant components are most efficient in accomplishing the filtration and reduction of stormwater runoff pollutants. To understand which bioswale contents work best we compared native plant (Oxalis oregana, Fragaria vesca, Sedum spathulifolium, and Lupinus latifolius) and non-native plant (Galium odoratum, Aegopodium podagraria ‘Variegatum, Lamium maculatum and Aureomarginata) species. Additionally, we hope to analyze pollutant filtration; we examined the counts of the nutrients: phosphates and nitrates. We feel that this study is pivotal, and propose that it be funded as the objective facts and information in this area of study support that with rapid urbanization and continued growth of our cities comes the expansion of urban infrastructure, and the need for more efficient pipeline systems to handle the ever-increasing population. 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