Calcutt Locks Meadows

Site of Special Scientific Interest · 52.2661, -1.3194

Also within

Warwickshire County

Condition (Natural England)

Favourable (2)
UnitFeatureConditionArea (ha)Assessed
SP465631 Favourable 4.19 2016-06-30
SP465633 Favourable 4.19 2016-06-30

Geology & landscape

Rock Type: Glacial Till

Landscape processes: Glacial

Description

Area, 4.4 ha. 10.9 ac. Description Calcutt Locks Meadows are three small unimproved fields, showing ridge and furrow topography, which lie beside the Grand Union Canal in the extreme east of Warwickshire. The hay meadows have developed on a heavy damp boulder clay soil, overlying Lias clay sand the vegetation is a herb rich community of the crested dog’s tail – common knapweed type. There is evidence that in the nineteenth century this grassland type was widespread and common in some parts of Britain, particularly the Midlands, but in the twentieth century it has declined very severely as a result of agricultural improvement. In several counties in the east Midlands it has almost disappeared and in Warwickshire very few sites are known. This plant community is dominated by crested dog’s tail Cynosurus cristatus, sweet vernal grass Anthoxanthum odoratum, common bent Agrostis capillaris, corn knapweed Centaurea nigra and lady’s bedstraw Galium verum. The meadows are particularly rich in grass species with seventeen so far recorded including quaking grass Briza media, meadow barley Hordeum secalinum, yellow oat grass Trisetum flavescens and smaller cat’s tail Phleum pratense ssp. bertolonii. Herbs characteristic of this type of grassland found here include cowslip Primula veris, betony Betonica officinalis and devil’s bit scabious Succisa pratensis. Several plants occur which are uncommon in Warwickshire including saw wort Serratula tinctoria, dropwort Filipendula vulgaris, pepper saxifrage Silaum silaus, great burnet Sanguisorba officinalis and adder’s tongue Ophioglossum vulgatum.

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
common bent Agrostis capillaris LC grass poaceae
sweet vernal grass Anthoxanthum odoratum LC grass poaceae
quaking grass Briza media VU grass poaceae
crested dog's tail Cynosurus cristatus LC grass poaceae
meadow barley Hordeum secalinum LC grass poaceae
timothy Phleum pratense LC grass poaceae
yellow oat grass Trisetum flavescens LC grass poaceae
betony Betonica officinalis VU herb lamiaceae
black knapweed Centaurea nigra LC herb asteraceae
dropwort Filipendula vulgaris LC herb rosaceae
lady's bedstraw Galium verum LC herb rubiaceae
cowslip Primula veris LC herb primulaceae
great burnet Sanguisorba officinalis LC herb rosaceae
saw wort Serratula tinctoria VU herb asteraceae
pepper saxifrage Silaum silaus EN herb saxifragaceae
devils-bit scabious Succisa pratensis VU herb caprifoliaceae