Lower Wood, Ashwellthorpe

Site of Special Scientific Interest · 52.5413, 1.1546

Also within

Norfolk County

Condition (Natural England)

Unfavourable Recovering (3)
UnitFeatureConditionArea (ha)Assessed
TM138981 Unfavourable Recovering 6.08 2010-01-27
TM139979 Unfavourable Recovering 29.84 2010-01-27
TM140983 Unfavourable Recovering 1.96 2009-05-11

Geology & landscape

Rock Type: Glacial Till

Landscape processes: Glacial

Description

Area, 36 hectares 90 ac Description Lower Wood is a relatively large area of ancient woodland containing a nationally rare stand type. The wood lies on a boulder clay plateau and the chalky nature of the clay is reflected in the exceptionally diverse ground flora. The structure of the wood is predominantly coppice with standards and a large proportion of the wood contains semi-natural stands. The major stand type in the wood is plateau alder wood. A large number of tree and shrub species are associated with this stand type, including standard oak Quercus robur, ash Fraxinus excelsior and hornbeam Carpinus betulus and coppiced hazel Corylus avellana, field maple Acer campestre and sallow Salix caprea. The ground is wet, due to the poorly drained soils and the field layer is dominated by dog’s mercury Mercurialis perennis. A number of uncommon species are present, including herb paris Paris quadrifolia, wood spruge Euphorbia amygdaloides, early purple orchid Orchis mascula, common twayblade Neottia ovata, ramsons Allium ursinum, water avens Geum rivale and woodruff Galium odoratum. On the drier soils, a number of stand types are present but ash, oak, hornbeam, field maple and hazel all occur in varied quantities. The calcareous nature of the soil is shown by the shrub species which include spindle tree Euonymus europaeus, guelder rose Viburnum opulus and dogwood Cornus sanguinea. The ground flora is dominated by bramble Rubus fruticosus and patches of bluebell Hyacinthoides non-scripta and wood anemone Anemone nemorosa. A well developed network of rides is present in the wood and these support an interesting and diverse flora.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
ramson Allium ursinum LC herb liliaceae
wood anemone Anemone nemorosa LC herb ranunculaceae
wood spurge Euphorbia amygdaloides LC herb euphorbiaceae
woodruff Galium odoratum LC herb rubiaceae
water avens Geum rivale LC herb rosaceae
bluebell Hyacinthoides non-scripta LC herb liliaceae
dog's mercury Mercurialis perennis LC herb euphorbiaceae
common twayblade Neottia ovata NT herb orchidaceae
early purple orchid Orchis mascula LC herb orchidaceae
herb paris Paris quadrifolia VU herb melanthiaceae
bramble Rubus fruticosus LC herb rosaceae
dogwood Cornus sanguinea LC shrub cornaceae
spindle tree Euonymus europaeus LC shrub celastraceae
gelder rose Viburnum opulus LC shrub caprifoliaceae
field maple Acer campestre LC tree aceraceae
hornbeam Carpinus betulus LC tree betulaceae
hazel Corylus avellana LC tree corylaceae
ash Fraxinus excelsior LC tree oleaceae
common oak Quercus robur LC tree fagaceae
goat willow Salix caprea LC tree shrub salicaceae