Forests of the Iberian Peninsula blackberry bushes, blackthorn, hawthorn and other more or less thorny shrubs; this role can also be filled by smaller thorny plants, "los piornales", and clumps of broom. The major forests in this area are beech, oak, birch, and fir. Beech forests ("Fagus sylvatica") are found in the mountain layer of the Iberian Eurosiberian region from 800 to 1500 metres up. The soil is cool, as often chalky as siliceous (rich in silica), and nearly always acidified by rain. The layer is characterised by the beech tree. The beech tree projects a deep shadow, and so its dense foliage usually excludes
Cicindela sylvatica Cicindela sylvatica Cicindela sylvatica is a tiger beetle, commonly known as the wood tiger beetle or heath tiger beetle. It is the largest of the British tiger beetles with a length of between . It is black in colour with a blue tinge, more pronounced on the underside, and sometimes appears with a bronze sheen. The beetle occurs throughout Europe with the exception of the Mediterranean and the extreme north. In the UK, it is found in England. The beetle has been given priority status under the UK Biodiversity Action Plan (UK BAP) and has been included in the English