Early development of vascular vegetation of constructed wetlands in northwest Ohio receiving agricultural waters

Constructed wetlands are currently being explored for use in reducing non-point source (NPS) pollution. The Wetland Reservoir Subirrigation System (WRSIS) project links water management in agricultural fields, constructed wetlands and water storage reservoirs to enhance crop production and reduce de...

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Published in:Agriculture, ecosystems & environment ecosystems & environment, 2002, Vol.88 (1), p.89-94
Main Authors: Luckeydoo, Lee M, Fausey, N.R, Brown, L.C, Davis, C.B
Format: Article
Language:English
Subjects:
Agricultural water management
Agronomy. Soil science and plant productions
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Ohio
Plantae
Soil and water pollution
Soil science
Treatment wetland
Wetland vegetation
WRSIS
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Summary:Constructed wetlands are currently being explored for use in reducing non-point source (NPS) pollution. The Wetland Reservoir Subirrigation System (WRSIS) project links water management in agricultural fields, constructed wetlands and water storage reservoirs to enhance crop production and reduce delivery of agrichemicals and sediments to local waterways. Three WRSIS demonstration sites have been developed on prior converted cropland in the Maumee River watershed located in northwest Ohio. Construction of the wetlands was completed in 1996 and they were then allowed to passively revegetate while receiving drainage water from adjacent fields. The primary goal of this study was to characterize the initial development of vegetation, and the availability of propagules within these wetlands. Preliminary vegetation inventories conducted in 1998 identified moderate species richness but low percentage of wetland species. A germination study completed on soils from one location showed additional viable wetland species available in the seed bank. Passive revegetation of these three constructed wetlands associated with WRSIS systems has resulted in good vegetation cover, but it is lacking the desired percentage of wetland species to date. Passive revegetation may prove to be an effective and economical method of revegetating constructed wetlands within agricultural landscapes that have suitable propagule availability.
ISSN:0167-8809
1873-2305
DOI:10.1016/S0167-8809(01)00155-4