“Extensive losses of wetland habitats and their unique communities are major environmental concerns,” says the flier for the next School of Environment and Natural Resources seminar. Martin Stapanian, research ecologist with the U.S. Geological Survey’s Lake Erie Biological Station (pdf), presents “Soil and Vegetation Indices for Wetland Quality: A Predictive Modeling Approach” from 4-5:30 p.m. Thursday, Oct. 31, on Ohio State’s Columbus campus, with a video link to the Wooster campus of CFAES’s research arm, OARDC. Free. Details.