“As for the hedgerows, the law required the developers to commission a hedgerow survey; it found that single hedgerows on the site contained up to eight tree species. An approximate rule of thumb known as Hooper's Rule states that the age of an English hedgerow can be estimated by counting the number of woody tree species growing along a thirty-yard stretch and multiplying that number by 110. This suggests that some of the hedges could have been part of the landscape since well before the first mention of an orchid in English. Neither the survey nor the developer's Environmental Impact Statement noted this.”