Study: Salt marshes losing diversity: A new study by researchers at Brown University finds that climate change is reducing the diversity of plants in New England salt marshes by causing a decline in small, flowering plants and allowing the spread of salt marsh grasses such as Spartina patens. The study, called “Experimental warming causes rapid loss of plant diversity in New England salt marshes,” was published in the latest edition of the journal Ecology Letters and has been widely distributed on academic Web …