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Mr. Terry Walker
asked the Secretary of State for the Environment how many elm trees have been killed by Dutch elm disease in each of the counties of Avon, Gloucestershire, Somerset and Wiltshire over the period of the disease.
Mr. Bishop
I have been asked to reply.The table below gives an estimate of the number of standing dead or dying elms identified by Forestry Commission surveys for the years 1972 to 1976 inclusive
ESTIMATED NUMBERS OF STANDING DEAD OR DYING ELMS | |||||||||
(Thousands) | |||||||||
Survey Period | Gloucestershire | Somerset | Wiltshire | ||||||
1972 | … | … | … | … | … | … | 258 | 88 | 33 |
1973 | … | … | … | … | … | … | 397 | 342 | 123 |
1974 | … | … | … | … | … | … | 399 | 532 | 142 |
1975 | … | … | … | … | … | … | 360 | 865 | 250 |
1976 | … | … | … | … | … | … | 350 | 913 | 459 |
1978 | … | … | … | … | … | … | 325 | 1,122 | 683 |
Original estimated population | … | … | … | 798 | 1,677 | 748 |