Little Tew Meadows

Site of Special Scientific Interest · 51.9502, -1.4527

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Oxfordshire County

Condition (Natural England)

Unfavourable Recovering (1)
UnitFeatureConditionArea (ha)Assessed
SP377281 Unfavourable Recovering 40.01 2012-08-07

Geology & landscape

Mining / Industrial: Quarry · Geological Period: Jurassic · Rock Type: Limestone

Birds & fish recorded

Birds

SpeciesSeason
Jack snipe Breeding
Jack snipe Wintering
snipe Breeding
snipe Wintering

Description

Description One of the largest continuous areas of agriculturally unimproved grassland in Oxfordshire with several locally uncommon plants. The site has four adjoining fields of which one is managed as hay meadow while the others have a long history of management by low intensity summer cattle grazing. Two of the fields have prominent ridge and furrow topography. The site is situated on Jurassic limestone which gives rise to a calcareous influence to the flora. It is located in the valley of the River Dorn, a tributary of the River Evenlode. The grassland is generally moderately calcareous in character but some areas are strongly calcareous. The range of calcicoles present includes salad burnet Poterium sanguisorba, hoary plantain Plantago media, downy oat Avenula pubescens, quaking grass Briza media, dropwort Filipendula vulgaris and rough hawkbit Leontodon hispidus. Other locally uncommon plants present are adder's tongue fern Ophioglossum vulgatum, lady's mantle Alchemilla filicaulis, spiked sedge Carex spicata and rest-harrow Ononis repens. There is also an abundance of more widespread meadow plants such as bulbous buttercup Ranunculus bulbosus, cowslip Primula veris, lady's bedstraw Galium verum, pignut Conopodium majus and hairy sedge Carex hirta. A particularly notable feature of the site is the presence of extensive flushes. These are dominated by hard rush Juncus inflexus and associated plants include ragged-robin Silene flos-cuculi, square stemmed St John's wort Hypericum tetrapterum and brooklime Veronica beccabunga. The margins of these flushes support patches of very species rich grassland with numerous notable plants including betony Betonica officinalis, devil's bit scabious Succisa pratensis, water avens Geum avens, tormentil Potentilla erecta and common spotted orchid Dactylorhiza fuchsii. Limestone outcrops are present around the site of an old quarry in one of the fields. The very shallow soils here support plants such as meadow saxifrage Saxifraga granulataa, parsley piert Aphanes arvensis, thyme leaved sandwort Arenaria serpyllifolia and knotted clover Trifolium striatum. In addition to the botanical interest the site is also of value in providing a habitat for wintering jack snipe and common snipe and reed bunting have been recorded as regularly breeding in the tall vegetation of the flushes.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
reed bunting Emberiza schoeniclus LC (Breeding) bird-bunting emberizidae
snipe Gallinago gallinago DD (NonBreeding) bird-snipe scolopacidae
adders-tongue fern Ophioglossum vulgatum LC fern ophioglossaceae
parsley piert Aphanes arvensis LC grass rosaceae
downy oat grass Avenula pubescens LC grass poaceae
quaking grass Briza media VU grass poaceae
lady's mantle Alchemilla filicaulis VU herb rosaceae
thyme leaved sandwort Arenaria serpyllifolia LC herb carophyllaceae
betony Betonica officinalis VU herb lamiaceae
pignut Conopodium majus LC herb apiaceae
spotted orchids Dactylorhiza fuchsii LC herb orchidaceae
dropwort Filipendula vulgaris LC herb rosaceae
lady's bedstraw Galium verum LC herb rubiaceae
square St John's-wort Hypericum tetrapterum LC herb hypericaceae
rough hawkbit Leontodon hispidus LC herb asteraceae
common rest-harrow Ononis repens VU herb fabaceae
hoary plantain Plantago media LC herb plantaginaceae
tormentil Potentilla erecta LC herb rosaceae
salad burnet Poterium sanguisorba VU herb rosaceae
cowslip Primula veris LC herb primulaceae
bulbous buttercup Ranunculus bulbosus LC herb ranunculaceae
ragged-robin Silene flos-cuculi LC herb carophyllaceae
devils-bit scabious Succisa pratensis VU herb caprifoliaceae
knotted clover Trifolium striatum LC herb fabaceae
brooklime Veronica beccabunga LC herb plantaginaceae
hard rush Juncus inflexus LC rush juncaceae
hairy sedge Carex hirta LC sedge cyperaceae
spiked sedge Carex spicata LC sedge cyperaceae

Plant communities

A9 — Fast flowing river and stream, Marginal and inundation, Pond ditch and canal, Sluggish river and stream

Potamogeton natans community

Schoenoplectus lacustris, Juncus bulbosus, Sparganium angustifolium, Sparganium erectum, Sparganium minimum, Alisma plantago-aquatica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Elodea canadensis, Lemna minor, Lemna trisulca, Nymphaea alba, Callitriche platycarpa, Callitriche stagnalis, Littorella uniflora, Potamogeton natans, Ranunculus trichophyllus, Glyceria fluitans, Chara subspinosa

A14 — Fast flowing river and stream

Myriophyllum alterniflorum community

Isolepis fluitans, Juncus bulbosus, Fontinalis antipyretica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Lemna minor, Callitriche stagnalis, Littorella uniflora, Potamogeton filiformis, Potamogeton gramineus, Potamogeton natans, Ranunculus peltatus, Chara spp., Nitella hyalina

A17 — Chalk river and stream, Fast flowing river and stream

Ranunculus penicillatus ssp. pseudofluitans community

Berula erecta, Nasturtium officinale, Elodea canadensis, Lemna minor, Callitriche stagnalis, Veronica beccabunga, Polygonum amphibium, Polygonum hydropiper, Potamogeton crispus, Potamogeton pectinatus, Ranunculus penicillatus ssp. pseudofluitans

A18 — Fast flowing river and stream

Ranunculus fluitans community

Fontinalis antipyretica, Fontinalis squamosa var. curnowii, Myriophyllum alterniflorum, Myriophyllum spicatum, Elodea canadensis, Mentha aquatica, Lemna gibba, Lemna minor, Potamogeton perfoliatus, Ranunculus fluitans, Glyceria fluitans, Phalaris arundinacea