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Strategy for England’s Wildlife and Ecosystem Services, Biodiversity 2020 indicatorsStatus of threatened species in the UK: priority species, 1970 to 2012
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Download this file| Change in the relative abundance of priority species in the UK 1970 to 2012 | Abundance | 95% Confidence interval min | 95% Confidence interval max | Trend | Data type | Time period | No. species | %Spp | Change in relative species abundance by taxonomic group 1970 to 2012 | Mammals (11 species) | Butterflies (21 species) | Birds (99 species) | Moths (79 species) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1970 | 100 | 100 | 100 | Decline | Abundance | Long term | 159 | 74.60% | 1970 | Not set | Not set | 100 | 100 |
| 1971 | 79.3 | 71.3 | 87.7 | Increase | Abundance | Long term | 54 | 25.40% | 1971 | Not set | Not set | 102.6 | 66.4 |
| 1972 | 76.9 | 67.6 | 86.6 | Decline | Abundance | Short term | 112 | 52.60% | 1972 | Not set | Not set | 105.6 | 61.7 |
| 1973 | 83.2 | 73.5 | 94.1 | Increase | Abundance | Short term | 101 | 47.40% | 1973 | Not set | Not set | 107.6 | 69.7 |