Field test of plants and fungi on bioretention performance over time

Funding Opportunity Number: F16AS00164
Opportunity Category: Discretionary
Funding Instrument Type: Cooperative Agreement
Category of Funding Activity: Education
Natural Resources
Science and Technology and other Research and Development
CFDA Number: 15.650
Eligible Applicants Public and State controlled institutions of higher education
Agency Name: DOI-FWS
Closing Date: Apr 15, 2016
Award Ceiling: $369,100
Expected Number of Awards: 1
Creation Date: Apr 08, 2016
Funding Opportunity Description: Recent bench and field scale bioretention studies have indicated a significant potential for pollutant exports from bioretention installations that meet the SMMWW specifications. Replicated mesocosm studies indicate that the role of plants in bioretention systems needs further research to evaluate whether adding plants as an installation amendment provides additional pollution control benefits. Recent studies have also indicated that wood-decomposing fungi can be used in bioretention mulch to achieve unique environmental services. This project will evaluate the effects of plants and fungi on toxicity, water quality, and hydraulic properties of bioretention cells under field conditions. Four treatments (no plants / no fungi; plants / no fungi; no plants / fungi; plants / fungi) will be evaluated in triplicate. The study will use a bioretention soil mix recommended by the WA Department of Ecology and a plant community informed by the ongoing WSU Puyallup mesocosm study. The results will critically inform the Regional Stormwater Management Programâ¿¿s goal to optimize bioretention systems and evaluate the risk of nutrient and metal exports from bioretention soil and will help to understand the interplay of soils, plants, and fungi and their role in stormwater remediation.



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