In 2016, observers in the wetlands of Louisiana’s Bird’s Foot Delta began to note dying stands of Phragmites australis, locally known as Roseau cane. By 2021, nothing but mud flats remained in some areas where the reeds once stood. In 2016, observers in the wetlands of Louisiana’s Bird’s Foot Delta began to note dying stands of Phragmites australis, locally known as Roseau cane. By 2021, nothing but mud flats remained in some areas where the reeds once stood. Earth Sciences Environment Phys.org – latest science and technology news stories