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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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Change in distribution of UK priority species 1970 to 2012	Proportion of occupied sites	90% Credible interval min	90% Credible interval max	Trend	Data type	Number of species Long term	Number of species Short term	Percentage of species Long term	Percentage of species Short term	Change in priority species (probability of occurrence) by taxonomic group 1970 to 2012	Bees Wasps and Ants (56 species)	90% Credible interval min	90% Credible interval max	Bryophytes (7 species)	90% Credible interval min	90% Credible interval max	Other insects - dragonflies soldierflies orthoptera carabids (12 species)	90% Credible interval min	90% Credible interval max	Fish (3 species)	90% Credible interval min	90% Credible interval max	Moths (33 species)	90% Credible interval min	90% Credible interval max
1970	100	100	100	Strong increase	occupancy	13	43	11.70%	39.80%	1970	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
1971	103.5	80.7	129.8	Increase	occupancy	12	2	10.80%	1.90%	1971	100.34	74.02	128.63	83.58	17.04	211.18	102.05	70.97	137.89	180.23	52.78	416.87	108.77	80.03	144.66
1972	102.1	77.6	131.8	No change	occupancy	32	4	28.80%	3.70%	1972	95.33	67.53	127.63	89.56	21.08	214.29	100.42	54.58	167.28	871.27	314.56	1756.48	97.64	69.54	131.02
1973	94.3	70.5	121.4	Decline	occupancy	29	7	26.10%	6.50%	1973	98.78	67.26	138.09	139.5	37.11	297.41	98.16	48.01	179.49	242.83	67.31	592.3	86.28	58.67	118.21