Research and analysis
D6bii: Long-term and short-term changes in the distribution of individual priority species in England, 1970 to 2016
Updated 1 December 2025
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| time_period | trend | percentage |
|---|---|---|
| Long term (1970-2016) | Strong increase | 14.92 |
| Long term (1970-2016) | Weak increase | 9.39 |
| Long term (1970-2016) | Little or no change | 37.57 |
| Long term (1970-2016) | Weak decrease | 20.99 |
| Long term (1970-2016) | Strong decrease | 17.13 |
| Short term (2011-2016) | Strong increase | 4.97 |
| Short term (2011-2016) | Weak increase | 8.29 |
| Short term (2011-2016) | Little or no change | 28.18 |
| Short term (2011-2016) | Weak decrease | 27.07 |
| Short term (2011-2016) | Strong decrease | 31.49 |