The current-account deficit, caused partly by a decline in exports, "will remain a substantial impediment to aggressive monetary easing, " Mr. Iley said.
Biodiversity officer Mark Iley said that a fallow deer was the most likely in terms of population size in Essex but it could have been a red deer, which are rare in the county.
Professor Jim Iley, executive director of science and education at the Royal Society of Chemistry told BBC News that gaps in data meant there was still a "degree of uncertainty" about the impact of the chemicals.