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Table 3 Analysis of the expansion of S. alterniflora from 1985 to 2015

From: Monitoring of the invasion of Spartina alterniflora from 1985 to 2015 in Zhejiang Province, China

DistrictExpanded area per 10 years (hm2)1985–2015
1985–19951995–20052005–2015
Zhoushan0.001.7181.3683.07
Jiaxing96.57167.4058.14322.11
Ningbo569.523136.951719.365425.83
Taizhou64.80851.851843.382760.03
Wenzhou1096.74478.53− 128.161447.11
Zhejiang Province1827.634636.443574.0810,038.15
DistrictAnnual expansion area (hm2/year)1985–2015
1985–19951995–20052005–2015
Zhoushan0.000.178.142.77
Jiaxing9.6616.745.8110.74
Ningbo56.95313.70171.94180.86
Taizhou6.4885.19184.3492.00
Wenzhou109.6747.85− 12.8248.24
Zhejiang Province182.76463.64357.41334.61