Levin Down

Site of Special Scientific Interest · 50.9156, -0.7399

Condition (Natural England)

Unfavourable Recovering (1)
UnitFeatureConditionArea (ha)Assessed
SU886136 Unfavourable Recovering 25.57 2015-05-29

Geology & landscape

Rock Type: Chalk

Description

Area, 27.7 ha. 68.44 ac. Description Levin Down is situated on the upper chalk of the South Downs and comprises most of the south facing slope of a small hill. It is an extremely good representative example of southeastern chalk grassland, supporting a wide variety of herbs and grasses. The site also incorporates an area of chalk heath, which is a nationally rare habitat and patches of juniper Juniperus communis scrub. The short chalk turf is extremely rich in species. The most frequent grasses are fescues Festuca spp., among which grow characteristic downland species such as autumn gentian Gentianella amarella, autumn lady’s tresses Spiranthes spiralis, salad burnet Poterium sanguisorba, the rare round headed rampion Phyteuma orbiculare, eyebright Euphrasia officinalis and quaking grass Briza media. Glaucous sedge Carex flacca is frequent and spring sedge Carex caryophyllea also occurs. In other areas of ranker false brome Brachypodium sylvaticum dominated grassland, taller herbs including agrimony Agrimonia eupatoria and wild parsnip Pastinaca sativa are abundant within the sward, together with false oat grass Arrhenatherum elatius and cock's foot grass Dactylis glomerata. Within the north eastern part of the site, a small area of chalk heath has developed where species more typical of acidic conditions, such a heather Calluna vulgaris, tormentil Potentilla erecta and heath bedstraw Galium saxatile grow amongst the chalk downland plants. hawthorn Crataegus monogyna scrub is invading large areas of the site, although rich chalk grassland patches can still be found within many of these areas. The scrub provides additional wildlife habitat within the site and component species include ash Fraxinus excelsior, blackthorn Prunus spinosa, hazel Corylus avellana, bramble Rubus fruticosus and travellers joy Clematis vitalba. In south western areas the scrub consists mainly of juniper Juniperus communis, together with yew Taxus baccata and holly Ilex aquifolium. The juniper colony here is one of the largest in Sussex and supports a number of juniper –specific insects, including the shield bug Cyphostethus tristriatus and the seed chalcid Megastigmus bipunctatus, both of which are indicators of a healthy juniper colony. A variety of species of butterfly can be found on the Down, including small blue Cupido minimus and chalk hill blue Polyommatus coridon.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
juniper shield bug Cyphostethus tristriatus LC bug acanthosomatidae
small blue Cupido minimus NT butterfly lycaenidae
chalkhill blue Polyommatus coridon VU butterfly lycaenidae
false oat grass Arrhenatherum elatius LC grass poaceae
wood false brome Brachypodium sylvaticum LC grass poaceae
quaking grass Briza media VU grass poaceae
cock's foot Dactylis glomerata LC grass poaceae
agrimony Agrimonia eupatoria LC herb rosaceae
English sticky eyebright Euphrasia officinalis LC herb orobanchaceae
heath bedstraw Galium saxatile LC herb rubiaceae
autumn gentian Gentianella amarella LC herb gentianaceae
wild parsnip Pastinaca sativa LC herb apiaceae
round headed rampion Phyteuma orbiculare LC herb campanulaceae
tormentil Potentilla erecta LC herb rosaceae
salad burnet Poterium sanguisorba VU herb rosaceae
bramble Rubus fruticosus LC herb rosaceae
autumn lady's tresses Spiranthes spiralis LC herb orchidaceae
spring-sedge Carex caryophyllea NT sedge cyperaceae
glaucus sedge Carex flacca LC sedge cyperaceae
traveller's joy Clematis vitalba LC shrub ranunculaceae
hawthorn Crataegus monogyna LC shrub rosaceae
juniper Juniperus communis CR shrub cupressaceae
blackthorn Prunus spinosa LC shrub rosaceae
bell heather or ling Calluna vulgaris NT shrub dwarf ericaceae
hazel Corylus avellana LC tree corylaceae
ash Fraxinus excelsior LC tree oleaceae
holly Ilex aquifolium LC tree aquifoliaceae
yew Taxus baccata LC tree taxaceae
seed chalcid Megastigmus bipunctatus Not listed in GB list wasp torymidae

Plant communities

W20 — Montane scrub

Salix lapponum-Luzula sylvatica scrub

Salix arbuscula, Salix cinerea, Salix lapponum, Salix myrsinites, Salix phylicifolia, Salix reticulata, Empetrum nigrum, Calluna vulgaris, Salix lanata, Vaccinium myrtillus, Vaccinium uliginosum, Carex atrata, Carex bigelowii, Carex binervis, Carex flacca, Luzula multiflora, Luzula sylvatica, Huperzia selago, Selaginella selaginoides, Aulacomnium palustre, Mnium hornum, Philonotis fontana, Plagiomnium undulatum, Rhizomnium punctatum, Dicranum bonjeanii, Dicranum majus, Dicranum scoparium, Fissidens adianthoides, Racomitrium lanuginosum, Calliergonell cuspidatum, Ctenidium molluscum, Hylocomium splendens, Hypnum callichroum, Hypnum cupressiforme, Palustriella commutatum, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Ptilium crista-castrensis, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sanionia uncinata, Scorpidium revolvens, Thuidium tamariscinum, Atrichum undulatum, Polytrichastrum alpinum, Sphagnum capillifolium, Sphagnum fallax, Sphagnum girgensohnii, Sphagnum palustre, Sphagnum russowii, Sphagnum squarrosum, Sphagnum subnitens, Sphagnum teres, Barbilophozia barbata, Chiloscyphus polyanthos, Diplophyllum albicans, Lophocolea bidentata, Plagiochila porelloides, Ptilidium ciliare, Scapania undulata, Cladonia squamosa, Peltigera canina, Angelica sylvestris, Caltha palustris, Hieraclium spp., Saussurea alpina, Solidago virgaurea, Campanula rotundifolia, Succisa pratensis, Valeriana officinalis, Rhodiola rosea, Vaccinium vitis-idaea, Thymus praecox, Epilobium anagallidifolium, Dactylorhiza viridis, Euphrasia officinalis, Rhinanthus minor, Oxalis acetosella, Oxyria digyna, Polygonum viviparum, Rumex acetosa, Anemone nemorosa, Ranunculus acris, Thalictrum alpinum, Alchemilla alpina, Alchemilla glabra, Filipendula ulmaria, Geum rivale, Galium boreale, Galium saxatile, Saxifraga aizoides, Saxifraga hypnoides, Saxifraga oppositifolia, Saxifraga stellaris, Viola riviniana, Agrostis canina, Agrostis capillaris, Anthoxanthum odoratum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Nardus stricta, Dryopteris dilatata, Phegopteris connectilis

W21 — Hedgerow scrub, Mixed scrub

Crataegus monogyna-Hedera helix scrub

Hedera helix, Salix cinerea, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Corylus avellana, Fagus sylvatica, Quercus robur, Fraxinus excelsior, Malus sylvestris, Sorbus aria, Taxus baccata, Ulmus glabra, Ulmus procera, Sambucus nigra, Viburnum lantana, Euonymus europaeus, Cornus sanguinea, Juniperus communis, Ligustrum vulgare, Clematis vitalba, Rhamnus cathartica, Crataegus laevigata, Crataegus monogyna, Prunus spinosa, Juncus effusus, Plagiomnium undulatum, Brachythecium rutabulum, Kindbergia praelonga, Rhynchostegium confertum, Tamus communis, Heracleum sphondylium, Torilis japonica, Arum maculatum, Arctium minus, Cirsium arvense, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Stellaria graminea, Stellaria holostea, Stellaria media agg., Calystegia sepium, Mercurialis perennis, Geranium robertianum, Iris foetidissima, Glechoma hederacea, Lamium purpureum, Origanum vulgare, Stachys sylvatica, Teucrium scorodonia, Allium ursinum, Hyacinthoides non-scripta, Circaea lutetiana, Rumex sanguineus, Anemone nemorosa, Ranunculus repens, Fragaria vesca, Geum urbanum, Potentilla sterilis, Poterium sanguisorba, Rosa arvensis, Rosa canina, Rubia peregrina, Rubus fruticosus agg., Galium aparine, Urtica dioica, Viola riviniana, Anisantha sterilis, Arrhenatherum elatius, Brachypodium pinnatum, Brachypodium sylvaticum, Bromopsis erecta, Dactylis glomerata, Elytrigia repens, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris filix-mas

W22 — Hedgerow scrub, Mixed scrub

Prunus spinosa-Rubus fruticosus scrub

Hedera helix, Acer campestre, Corylus avellana, Ulex europaeus, Prunus spinosa, Plagiomnium undulatum, Brachythecium rutabulum, Eurhynchium striatum, Kindbergia praelonga, Thuidium tamariscinum, Atrichum undulatum, Lophocolea bidentata, Achillea millefolium, Cardamine flexuosa, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Silene uniflora, Stellaria media agg., Mercurialis perennis, Geranium robertianum, Stachys sylvatica, Teucrium scorodonia, Hyacinthoides non-scripta, Oxalis acetosella, Digitalis purpurea, Plantago lanceolata, Veronica chamaedrys, Armeria maritima, Rumex acetosa, Filipendula ulmaria, Geum urbanum, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Urtica dioica, Viola riviniana, Agrostis capillaris, Brachypodium sylvaticum, Dactylis glomerata, Festuca rubra, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris borreri, Dryopteris filix-mas