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Table 5 Newly increased snail infested meadows regions in the Poyang Lake area during 1993–2016

From: Impact of continuous low water stage on the breeding environment of Oncomelania hupensis: a case study of Poyang Lake area in China

Year Southern Northern
Numbers Area (ha) Numbers Area (ha)
1998 1 19.98 0  
2000 0   1 58.13
2001 5 244.55 2 129.71
2002 15 1011.91 16 3385.83
2003 1 68.70 0  
2004 0   1 11.20
2008 0   1 0.10
2009 0   1 7.67
2010 1 141.00 0  
2013 1 3.87 5 99.48
2014 0   2 5.49
2015 1 27.30 0  
2016 1 27.30 25 4751.74