Research and analysis
D4ii: Long-term and short-term changes in the relative abundance of individual species in England, 1970 to 2024
Updated 13 May 2026
| period | trend | percentage |
|---|---|---|
| Long term (1970–2024) | Strong decrease | 21.9409282700422 |
| Long term (1970–2024) | Weak decrease | 18.9873417721519 |
| Long term (1970–2024) | Little or no change | 29.1139240506329 |
| Long term (1970–2024) | Weak increase | 14.3459915611814 |
| Long term (1970–2024) | Strong increase | 15.6118143459916 |
| Short term (2019–2024) | Strong decrease | 38.5266723116003 |
| Short term (2019–2024) | Weak decrease | 8.72142252328535 |
| Short term (2019–2024) | Little or no change | 15.2413209144793 |
| Short term (2019–2024) | Weak increase | 9.14479254868755 |
| Short term (2019–2024) | Strong increase | 28.3657917019475 |