Balsham Wood

Site of Special Scientific Interest · 52.1222, 0.3193

Also within

Cambridgeshire County

Condition (Natural England)

Unfavourable Recovering (2)
UnitFeatureConditionArea (ha)Assessed
TL588496 Unfavourable Recovering 30.99 2011-12-09
TL590495 Unfavourable Recovering 3.97 2011-12-09

Geology & landscape

Rock Type: Glacial Till

Landscape processes: Glacial

Description

Area, 34.6 hectares 85.7 ac Description Balsham Wood holds woodland community types of ancient origin and of a type geographically restricted to lowland England. The woodland represents one of the few remaining areas of ancient ash maple woodland on the chalky Boulder Clay and contains a rich assemblage of plants including a population of oxlip Primula elatior, a species which is restricted to a few sites in eastern England. The woodland is dominated by coppice of ash Fraxinus excelsior and field maple Acer campestre with hazel Corylus avellana. Mature oak Quercus robur standards are present in parts of the wood. Of particular note is the presence of coppiced hornbeam Carpinus betulus which occurs here at the edge of its geographic range in Britain. A good variety of shrubs are present, including dogwood Cornus sanguinea and wild privet Ligustrum vulgare. The ground flora is typically rich and of the dog’s mercury Mercurialis perennis bluebell Hyacinthoides non-scripta type together with such species as herb paris Paris quadrifolia, early purple orchid Orchis mascula and, of special note, sweet woodruff Galium odoratum, orpine Sedum telephium and wood sanicle Sanicula europaea. This is one of very few Cambridgeshire woods where primrose Primula vulgaris occurs on the same site as oxlip. Where open grassy rides occur additional habitat variety is provided and herbs such as bugle Ajuga reptans and wood sedge Carex sylvatica occur.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
bugle Ajuga reptans LC herb lamiaceae
woodruff Galium odoratum LC herb rubiaceae
bluebell Hyacinthoides non-scripta LC herb liliaceae
dog's mercury Mercurialis perennis LC herb euphorbiaceae
early purple orchid Orchis mascula LC herb orchidaceae
herb paris Paris quadrifolia VU herb melanthiaceae
oxlip Primula elatior LC herb primulaceae
primrose Primula vulgaris LC herb primulaceae
sanicle Sanicula europaea LC herb apiaceae
orpine Sedum telephium Not listed in GB list herb crassulaceae
wood sedge Carex sylvatica LC sedge cyperaceae
dogwood Cornus sanguinea LC shrub cornaceae
wild privet Ligustrum vulgare LC shrub oleaceae
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