Weaveley and Sand Woods

Site of Special Scientific Interest · 52.1677, -0.2012

Also within

Cambridgeshire County

Condition (Natural England)

Favourable (2)
UnitFeatureConditionArea (ha)Assessed
TL225541 Favourable 46.97 2007-05-10
TL231536 Favourable 15.07 2007-05-10

Geology & landscape

Geological Period: Jurassic · Rock Type: Glacial Till, Greensand

Landscape processes: Glacial

Description

Area, 76 hectares 187 ac Description The woodland is ancient in origin and of the ash maple type which is restricted to lowland England and is a declining habitat. The site is of additional interest for the influence and range of the underlying geology. It straddles a number of geological formations from ill drained boulder clay and Jurassic clays to free draining Lower Greensand. Few other ancient woods in Cambridgeshire possess this variation in terms of geology. The woods are essentially a mixture of coppiced ash Fraxinus excelsior, coppiced field maple Acer campestre with pedunculate oak Quercus robur standards and hazel Corylus avellana predominant in the shrub layer. Elm Ulmus spp. has invaded parts of the wood. The ground flora is typically of dog’s mercury Mercurialis perennis and bluebell Hyacinthoides non-scripta with early purple orchid Orchis mascula. Rides and clearings in the wood support their own characteristic flora which includes plants such as the common spotted orchid Dactylorhiza fuchsii and adder’s tongue fern Ophioglossum vulgatum. Some uncommon species are present in the wood including herb paris Paris quadrifolia, butterfly orchid Platanthera chlorantha and pignut Conopodium majus.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
adders-tongue fern Ophioglossum vulgatum LC fern ophioglossaceae
pignut Conopodium majus LC herb apiaceae
spotted orchids Dactylorhiza fuchsii LC herb orchidaceae
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
greater butterfly orchid Platanthera chlorantha NT herb orchidaceae
field maple Acer campestre LC tree aceraceae
hazel Corylus avellana LC tree corylaceae
ash Fraxinus excelsior LC tree oleaceae
common oak Quercus robur LC tree fagaceae