Sea-Level Rise And Weather-Related Shocks Caused Marsh Die-Back

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. 

Initial theories pointed to a non-native scale insect as the culprit, but further...