Butterfly population in the UK
relative to start year (1976 or 1990), 1976–2019
Data Item | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Farmland | 100.00 | 131.50 | 135.20 | 84.72 | 97.72 | 114.50 | 129.40 | 145.80 | 111.60 | 101.10 | 108.80 | 99.08 | 99.31 | 121.30 | 118.80 | 105.40 | 105.60 | 77.44 | 73.28 | 104.40 | 107.60 | 97.94 | 62.37 | 116.40 | 109.90 | 102.00 | 76.03 | 97.05 | 118.00 | 117.70 | ||||||||||||||
Habitat specialist | 100.00 | 26.06 | 42.26 | 38.90 | 38.45 | 20.27 | 39.53 | 34.59 | 48.52 | 40.55 | 36.30 | 41.87 | 31.62 | 37.15 | 42.75 | 34.19 | 48.08 | 37.23 | 40.45 | 44.77 | 42.07 | 43.05 | 29.58 | 32.06 | 33.57 | 32.73 | 29.58 | 36.64 | 39.17 | 37.93 | 44.56 | 29.10 | 25.70 | 33.26 | 43.65 | 43.15 | 22.80 | 33.96 | 37.15 | 32.35 | 26.30 | 28.90 | 40.45 | 41.49 |
Non-specialists | 100.00 | 47.09 | 62.66 | 71.28 | 62.80 | 55.20 | 95.06 | 87.70 | 111.10 | 72.44 | 69.82 | 61.80 | 59.70 | 89.33 | 88.30 | 98.17 | 110.40 | 63.09 | 69.98 | 87.09 | 94.18 | 100.60 | 73.79 | 66.68 | 71.61 | 64.86 | 68.07 | 81.28 | 83.36 | 71.94 | 72.77 | 52.96 | 52.23 | 72.27 | 76.20 | 68.54 | 42.65 | 78.70 | 72.77 | 68.70 | 52.11 | 66.52 | 85.70 | 80.35 |
Woodland | 100.00 | 91.83 | 110.41 | 56.62 | 61.38 | 87.70 | 88.10 | 90.36 | 58.88 | 51.40 | 53.33 | 51.17 | 57.54 | 70.79 | 71.12 | 60.53 | 58.61 | 41.78 | 38.82 | 57.15 | 64.27 | 56.75 | 32.06 | 58.48 | 52.84 | 50.70 | 36.48 | 49.09 | 69.34 | 59.29 |