Table 3 Integrated snail control interventions implemented in Yangzhou City during the 10-year period from 2005 through 2014
Year | Hardening river banks with concrete (km) | Number of sluices built | Digging ditches (km) | Number of fish ponds built | Land improvement (hm2) | Building trees (hm2) |
|---|---|---|---|---|---|---|
2005 | 1.16 | 5 | 4.77 | 0 | 393.53 | 302.02 |
2006 | 2.4 | 0 | 46.17 | 0 | 1 167.25 | 1 382.02 |
2007 | 13.86 | 39 | 7.79 | 21 | 593.63 | 310.16 |
2008 | 13.12 | 17 | 64.47 | 12 | 1 787.56 | 221.24 |
2009 | 40.07 | 4 | 16.73 | 14 | 2 374.52 | 180.09 |
2010 | 14.6 | 1 | 7.38 | 24 | 1 007.17 | 526.93 |
2011 | 7.25 | 0 | 0 | 40 | 26.68 | 286.81 |
2012 | 17.49 | 0 | 0 | 36 | 0 | 136.74 |
2013 | 79.81 | 0 | 35.2 | 38 | 1 354.01 | 73.37 |
2014 | 15.49 | 2 | 0 | 36 | 0 | 26.68 |
Total | 205.25 | 68 | 182.51 | 221 | 8 704.35 | 3 446.06 |