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