Fig. 4From: Monitoring of the invasion of Spartina alterniflora from 1985 to 2015 in Zhejiang Province, ChinaThe expansion of S. alterniflora in Sanmen Bay (a) and Yueqing Bay (b). Red, blue and green represent the distribution of S. alterniflora in 1995, 2005 and 2015, respectivelyBack to article page