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Table 1 Integrated improvements of marshlands in Yizheng County along the Yangtze River during the period from 2001 through 2015

From: An integrated environmental improvement of marshlands: impact on control and elimination of schistosomiasis in marshland regions along the Yangtze River, China

Year Status of integrated control Rate of marshlands with integrated improvements in all marshlands (%)
Interventions Integrated improvements of marshlands at local year (km2) Marshlands with integrated improvements (km2) Marshlands without integrated improvements (km2)
2001 Building factory and trees 0.22 0.22 5.28 4
2002 Building factory and burying snails with river sand 0.67 0.89 4.61 16.18
2003 Building factory and burying snails with river sand 2 2.89 2.61 52.55
2004 Building factory and burying snails with river sand 1.33 4.22 1.28 76.73
2005 Building fish ponds 0.42 4.64 0.86 84.36
2006 None 0 4.64 0.86 8436
2007 Building docks 0.03 4.67 0.83 84.91
2008 Building ecological parks 0.19 4.86 0.64 88.36
2009 None 0 4.86 0.64 88.36
2010 Plough and planting 0.08 4.94 0.56 89.82
2011 Building docks 0.01 4.95 0.55 90
2012 None 0 4.95 0.55 90
2013 None 0 4.95 0.55 90
2014 None 0 4.95 0.55 90
2015 None 0 4.95 0.55 90