Development, application, and refinement of a systems model fo prairie wetlands

Science Center Objects

NPWRC is developing, applying, and refining an integrated, process-based, systems model for prairie-pothole wetlands to facilitate forecasts of how climate and land-use change will affect wetland processes and biota. The Pothole Hydrology Linked System Simulator model (PHyLiSS) simulates changes in hydrology, water chemistry, plant communities, invertebrates, and other biota as a result of altered temperature and precipitation inputs. We use extensive biotic and abiotic datasets from the Missouri Coteau Wetland Ecosystem Observatory to parameterize, calibrate, and validate the model. Once completed, PHyLiSS will allow us to explore important scientific questions related to (1) how changes in climate will affect water levels and hydroperiods of prairie-pothole wetlands; (2) how these hydrological changes will affect chemical characteristics of various wetland types; (3) how plant communities, aquatic invertebrates, amphibians, waterfowl, and other biota will likely be affected; (4) how alternate land uses will interact with climate to alter wetland processes; and (5) how potential effects of climate change on prairie-wetland ecosystems might be mitigated.