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Table 2 Daily water level changes at Hukou Station in the northern part of Poyang Lake from April to June 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 Monthly mean water level Water level (9 m) Water level (11 m)
April May June April May June
April May June Rising date Rising days Rising date Rising days Rising date Rising days Rising date Rising days Rising date Rising days Rising date Rising days
1993 9.30 11.99 13.75 1 28   31   30 0 8 24   30
1994 10.54 12.79 14.76 7 24   31   30 15 16   31   30
1995 10.43 13.06 16.52 10 21   31   30 19 12   31   30
1996 10.83 10.66 13.93 1 30   31   30 7 15 19 13   30
1997 10.79 11.79 12.74 3 28   31   30 21 10   31   30
1998 11.74 12.59 14.99 1 30   31   30 1 29 10 22   30
1999 8.83 12.72 14.56 19 12   31   30 23 8   31   30
2000 9.56 9.50 13.47 12 19   18   30 0 2 3 5 26
2001 9.69 12.65 12.82 10 21   31   30 27 4   29 10 21
2002 9.58 15.37 14.99 20 11   31   30 25 6   31   30
2003 10.40 13.43 13.37 1 30   31   30 17 14   31   30
2004 8.03 11.74 13.28 0 2 29   30 0 12 20   30
2005 8.79 11.64 15.17 17 5 7 25   30 0 13 19   30
2006 10.04 11.86 13.74 1 20   31   30 17 9 11 21   30
2007 7.72 8.69 11.77 0 1 13 2 29 0 0 14 17
2008 9.80 10.02 12.49 6 25   31   30 0 0 11 20
2009 9.32 11.82 12.82 20 11   31   30 25 6   31   30
2010 11.29 13.78 15.85 10 21   31   30 15 16   31   30
2011 7.19 7.42 12.16 0 0 8 23 0 0 12 19
2012 9.60 14.27 15.52 16 15   31   30 27 4   31   30
2013 10.19 12.42 14.27 1 30   31   30 10 2 10 22   30
2014 9.06 12.45 13.88 19 12   31   30 30 1   31   30
2015 10.59 11.79 16.05 4 27   31   30 7 12 14 17   30
2016 12.75 15.49 15.97 1 30   31   30 8 23   31   30
  1. - Water level does not exceed 9 m or 11 m in the current month