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Table 4 Distribution of meadow areas in different areas and elevations of Poyang Lake 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

Years South (km2) North (km2) Total
≤ 9 m >  9–≤ 11 m A >  11–≤116 mB >  16 m Subtotal ≤ 9 m >  9–≤ 11 m C >  11–≤ 16 mD >  16 m Subtotal
1993 4.38 11.19 1127.59 85.30 1228.47 3.88 15.97 187.20 48.55 255.60 1484.07
1994 1.61 3.53 789.67 54.04 848.85 0.64 1.21 85.02 22.08 108.95 957.81
1995 3.72 13.28 1334.91 85.37 1437.29 5.74 15.96 209.34 49.40 280.44 1717.72
1996 2.50 9.78 1222.16 76.58 1311.02 1.53 9.94 176.82 40.35 228.64 1539.67
1997 3.64 8.88 1002.01 85.01 1099.54 3.58 5.21 142.73 48.89 200.41 1299.94
1999 3.76 12.42 1207.28 85.10 1308.56 17.66 74.48 219.39 48.64 360.16 1668.72
2000 2.56 7.66 963.01 84.16 1057.39 3.41 12.95 167.29 48.58 232.23 1289.62
2001 8.12 65.33 1427.81 86.07 1587.34 12.32 95.62 239.86 49.54 397.33 1984.67
2002 3.05 7.95 977.50 84.06 1072.55 2.45 12.62 167.18 46.98 229.22 1301.78
2003 2.34 6.05 761.76 85.15 855.31 2.67 2.30 82.71 47.84 135.51 990.82
2004 5.10 13.73 1304.76 85.77 1409.36 5.54 41.20 200.76 49.01 296.52 1705.88
2006 6.07 92.03 1483.39 85.65 1667.14 29.75 131.24 251.27 48.46 460.71 2127.85
2007 14.67 80.71 1479.12 86.02 1660.52 98.95 227.10 242.53 49.46 618.04 2278.55
2013 10.18 167.92 1533.61 84.65 1796.36 18.15 167.20 241.89 42.43 469.67 2266.03
2014 2.67 71.03 1368.84 85.92 1528.46 1.28 65.00 233.81 47.08 347.17 1875.63
2015 2.13 12.21 1181.92 84.22 1280.48 0.86 12.69 206.71 44.22 264.48 1544.95
2016 2.47 122.37 1156.38 83.71 1364.93 5.11 140.98 205.82 48.29 400.20 1765.13