In early April 2013, Doctors Ann Rhoads and Timothy Block of the Morris Arboretum began a natural resource inventory of the lands and trails of the Wissahickon Valley Watershed Association.
Their study was completed between the spring and summer of 2013. Their final report was very telling about the state of biodiversity, especially of plants in our preserves. For the most part, the WVWA preserves and the Green Ribbon Trail are a combination of forest fragments of various sizes; habitat islands surrounded by a sea of development. Forest edge prevails everywhere; areas that differ from true forest interior where wind, less moisture and direct sun creates a fierce competition among native plants and exotic ones.
View full article and Natural Resources Report »