Mappp.co geology and wildlife sites

Humber Estuary

…he upper portion of the saltmarsh community is atypical, dominated by sea couch Elytrigia atherica Elytrigia atherica saltmarsh community. In the upper reaches of the estuary, the tidal marsh community is dominated by the common reed Phragmites australis fen and sea club rush Bol…

Teesmouth and Cleveland Coast

…rsh-grass Puccinellia maritima communities, to stands dominated by common couch Elytrigia repens and its hybrid with sea couch Elytrigia atherica, Elytrigia x drucei, at the limit of tidal influence. The common saltmarsh-grass communities are diverse and sea aster Aster tripolium…

Dungeness, Romney Marsh and Rye Bay

… mid and mid upper marsh communities, to a drift line dominated by common couch Elytrigia repens and upper marsh common reed Phragmites australis swamp. Downstream of the Monk Bretton Bridge in Rye, the site supports higher saltmarsh communities on raised areas adjacent to the ri…

Mucking Flats and Marshes

…saltmarsh of a type uncommon in Essex. The vegetation is dominated by sea couch Elytrigia atherica and sea purslane Atriplex portulacoides, with sea aster Aster tripolium, common sea lavender Limonium vulgare and common saltmarsh grass Puccinellia maritima. Fragments of lower sal…

Colne Estuary

…with characteristic species such as marram grass Ammophila arenaria, sand couch Elytrigia juncea, sea holly Eryngium maritimum and sea sandwort Honckenya peploides. The sea walls, foldings and areas of grazing marsh are unimproved neutral grassland, much of which is herb rich, wi…

Blackwater Estuary

…ssex. The sandy parts of the beach have a typical plant community of sand couch Elytrigia juncea, marram Ammophila arenaria and the very local sea holly Eryngium maritimum, while frosted orache Atriplex laciniata occurs on the drift line. This section of coastline shows a transit…

Dee Estuary / Aber Afon Dyfrdwy

…s at the top of the shore, rank strandline vegetation dominated by common couch Elytrigia repens and sea couch Elytrigia atherica has developed. Of particular note within the reclaimed land on the Ministry of Defence ranges adjacent to the estuary, is saltmarsh characterised by s…

Dee Estuary

… at the top of the shore, rank strand line vegetation dominated by common couch Elytrigia repens and sea couch, Elytrigia atherica has developed. Of particular note within the reclaimed land on the Ministry of Defence ranges adjacent to the estuary, is saltmarsh characterised by …

Red Rocks

…pport a complete vegetation cover. The embryo dunes are colonised by sand couch Elytrigia juncea, lyme grass Leymus arenarius and sea couch Elytrigia atherica, with prickly saltwort Salsola kali, sea holly Eryngium maritimum, Danish scurvy grass Cochlearia danica and sea rocket C…

Gibraltar Point

…rocket Cakile maritima, prickly saltwort Salsola kali subsp kali and sand couch Elytrigia juncea, while further inland the dunes are more stable and are dominated by marram grass Ammophila arenaria, associated with lyme grass Leymus arenarius, sand sedge Carex arenaria and the sa…

Wyre Estuary

…rush Bolboschoenus maritimus. In places the landward transition is to sea couch Elytrigia atherica. Other transition species present include hemlock water dropwort Oenanthe crocata and parsley water dropwort Oenanthe lachenalii. Ornithologically the Wyre Estuary is an integral p…

Upper Colne Marshes

…es rich. The dominant grasses are creeping bent Agrostis stolonifera, sea couch Elytrigia atherica, meadow barley Hordeum secalinum, red fescue Festuca rubra and the nationally scarce sea barley Hordeum marinum. Another nationally scarce species, stiff saltmarsh grass Puccinellia…

Minsmere-Walberswick Heaths and Marshes

…ncus maritimus, common saltmarsh grass Puccinellia maritima and sea couch grass Elytrigia atherica. Shingle beach forms the coastline at Walberswick and Minsmere. This is subject to sea erosion and human disturbance but, nevertheless, it supports a variety of scarce shingle plant…

South Walney and Piel Channel Flats

…e fore dunes are dominated by marram grass Ammophila arenaria, sand couch grass Elytrigia juncea and lyme grass Leymus arenarius. The main due ridge is more stable with a greater diversity of plants, including wild pansy Viola tricolor, sea spurge Euphorbia paralias and common re…

Baulk Head to Mullion

…onum maritimum survives. Further back, fore dunes exist, dominated by sea couch Elytrigia atherica but with populations of sea bindweed Calystegia soldanella, sand sedge Carex arenaria and sea-holly Eryngium maritimum also present The sand dune system further inland is the larges…

Newtown Harbour

…as old salt pans. The upper saltmarsh community is dominated by sea couch grass Elytrigia atherica with sea aster Aster tripolium and locally the two nationally scarce species marsh mallow Althaea officinalis and golden samphire Inula crithmoides. The lower marsh is characterised…

Thorness Bay

…ludes areas dominated by sea club rush Bolboschoenus maritimus, sea couch grass Elytrigia atherica, and false oat grass Arrhenatherum elatius, with saltmarsh rush Juncus gerardi and two nationally scarce species divided sedge Carex divisa and marsh mallow Althaea officinalis occu…

Bracklesham Bay

…bject to seasonal flooding. Grasses such as red fescue Festuca rubra, sea couch Elytrigia atherica, creeping bent Agrostis stolonifera and sweet vernal grass Anthoxanthum odoratum form a distinctive sward in which a variety of herbs grow, including viper's bugloss Echium vulgare,…

Crouch and Roach Estuaries

…lite Suaeda vera. At the uppermost tidal levels and on the sea walls, sea couch Elytrigia atherica is dominant. This rough grassland supports dense populations of the nationally scarce Roesel’s Bush cricket Metrioptera roeselii, whose persistent ‘reeling’ song is a constant feat…

Bridgwater Bay

…rage red fescue Festuca rubra and creeping bent Agrostis stolonifera. sea couch Elytrigia atherica and sea club rush Bolboschoenus maritimus occur at the landward edge of the marsh. Other members of this community include sea wormwood Artemisia maritima, saltmarsh rush Juncus ger…

Pagham Harbour

… the saltmarsh has developed a narrow strip of grassland dominated by sea couch Elytrigia atherica. Vegetated shingle is a nationally rare community. At Pagham, the type and extent of plant cover is dictated by the shifting nature of the substrates, the sea defence works and by i…

Seaford to Beachy Head

…eablite Suaeda maritima. On slightly higher ground is a turf of sea couch grass Elytrigia atherica, common cord grass Spartina anglica and greater sea spurrey Spergularia media. The Cuckmere valley is also important for breeding birds and for the nationally significant number and…

Tamar - Tavy Estuary

…on saltmarsh-grass Puccinellia maritima, red fescue Festuca rubra and sea couch Elytrigia atherica. Characteristic associates include sea purslane Atriplex portulacoides, sea aster Aster tripolium, sea arrowgrass Triglochin maritimum, english scurvy grass Cochlearia anglica and s…

Yar Estuary

…pe of saltmarsh which forms an often narrow strip, dominated by sea couch grass Elytrigia atherica, typically with sea club rush Bolboschoenus maritimus, sea aster Aster tripolium and the nationally scarce divided sedge Carex divisa. The intertidal mud flats flanking the main riv…

Alde-Ore Estuary

…. Higher saltmarsh blending to neutral grassland, dominated by sea couch grass, Elytrigia atherica, occurs on former grazing marsh on Havergate Island and Orfordness and on the extensive system of clay embankments throughout the site. There are small areas of reed bed at the head…

Medina Estuary

… occupying low ‘pans’. The highest levels of the marsh grade to sea couch grass Elytrigia atherica, commonly with sea club rush Bolboschoenus maritimus, sea aster Aster tripolium and, at the margins, two nationally scarce species, divided sedge Carex divisa and golden samphire In…

Freshwater Marshes

…sa and areas of salt influenced brackish grassland dominated by sea couch grass Elytrigia atherica. Deepening of the channel of the Yar through the Site of Special Scientific Interest during the early 1970’s subsequently caused some lowering of the water table and the invasion of…

Brighton to Newhaven Cliffs

…andslip area at Castle Hill. Amongst the red fescue Festuca rubra and sea couch Elytrigia atherica grow herbs such as wild carrot Daucus carota, common bird's foot trefoil Lotus corniculatus and lady's bedstraw Galium verum. Several uncommon maritime plants grow both on the top a…

Kennack to Coverack

… a rare calcareous habitat on the Peninsula. Dominant plants here are sea couch Elytrigia atherica and sand sedge Carex arenaria. Lesser meadow-rue Thalictrum minus, a basicole species absent from other Cornish dune systems has strong populations here. A host of rare plants has b…

Upper Hamble Estuary and Woods

…are feature. On the Hamble the upper saltmarsh is dominated by sea couch grass Elytrigia atherica. This grades into a mixed saltmarsh community containing common saltmarsh grass Puccinellia maritima, sea club rush Bolboschoenus maritimus, saltmarsh Juncus gerardii, thrift Armeri…

Deben Estuary

…altmarsh rush Juncus gerardii and creeping bent Agrostis stolonifera. Sea couch Elytrigia atherica is mainly confined to sea walls but at the northernmost end of the site it forms extensive stands which show a natural transition to blackthorn Prunus spinosa scrub on the higher gr…

Holland Haven Marshes

…me species are distributed throughout the coastal marshland including sea couch Elytrigia atherica, strawberry clover Trifolium fragiferum and spiny rest harrow Ononis spinosa. Immediately behind the sea wall, where the land is subject to salt spray, a saltmarsh vegetation has de…

Foulness

…l. The seawalls are generally dominated by coarse grasses, especially sea couch Elytrigia atherica. However, they also provide suitable conditions for a number of plants with a restricted distribution, for example, slender hare's ear Bupleurum tenuissimum, sea barley Hordeum mari…

North Norfolk Coast

…itima. The upper saltmarsh is characterised by grasses such as sea couch grass Elytrigia atherica and seapoa grass Puccinellia maritima. A shorter vegetation is often found on the upper marsh near the saltmarsh shingle interface. It is diverse and includes two rare species; matt…

Portland Harbour Shore

…he adjacent Chesil and the Fleet SSSI. Characteristic species include sea couch Elytrigia atherica, thrift Armeria maritima, sand sedge Carex arenaria and the local Portland spurge Euphorbia portlandica. There are also patches of saltmarsh vegetation with the uncommon shrubby sea…

Christchurch Harbour

…tima and mud rush Juncus gerardii. Higher level marsh is dominated by sea couch Elytrigia atherica, sea rush Juncus maritimus and red fescue Festuca rubra. Reed Phragmites australis locally forms extensive beds and sea club rush Bolboschoenus maritimus is present in large patches…

King's Quay Shore

… at the junction between woodland and saltmarsh, a thin band of sea couch grass Elytrigia atherica is found, commonly with sea club rush Scripps maritimus. The estuary mouth is guarded by two small but significant shingle spits which support a species rich flora characteristic o…

Severn Estuary

… The highest saltmarsh around the drift line is usually dominated by sea couch Elytrigia atherica, with spear leaved orache Atriplex prostrata. Some brackish pools and depressions on the upper marshes have small stands of common reed Phragmites australis or sea club rush Bolbosc…

Durham Coast

…lation of mine waste and shore communities containing species such as sea couch Elytrigia atherica, sea aster Aster tripolium and sea thrift are of limited extent. Much of this waste is now being cleared. The dune system and golf course roughs at Hart Warren supports many species…

Lincegrove and Hackett's Marshes

…arsh levels and at the landward margin, the marshes grade either to a sea couch Elytrigia atherica or reed Phragmites australis zone. Reed invasion is thought to have followed cessation of grazing on the marshes earlier this century. Structurally the marshes are one of the best e…

Sea Bank Clay Pits

…rly reflects a brackish influence since wild celery Apium graveolens, sea couch Elytrigia atherica, saltmarsh rush Juncus gerardii and sea arrowgrass Triglochin maritimum are present.

Malpas Estuary

… include reflexed saltmarsh-grass Puccinellia distans subsp. distans, sea couch Elytrigia atherica, sea aster Aster tripolium, sea arrowgrass Triglochin maritimum, sea club-rush Bolboschoenus maritimus and sea rush Juncus maritimus. At Calenick Creek the saltmarsh is immediately…

Orwell Estuary

…reshore of the lower reaches, but most of the saltmarsh is fringed by sea couch Elytrigia atherica or by common reed Phragmites australis and sea club rush Bolboschoenus maritimus further upstream. The freshwater grazing marshes which adjoin the estuary at Shotley and the wet gra…

Benfleet and Southend Marshes

…rd community, including yellow wagtails. The sea wall is dominated by sea couch Elytrigia atherica; uncommon species also present include sea barley Hordeum marinum, slender hare's ear Bupleurum tenuissimum and seaside red goosefoot Chenopodium botryodes. The saltmarsh has a high…

Lynher Estuary

…f the locally distributed parsley water-dropwort Oenanthe lachenalii. sea couch Elytrigia atherica forms a distinct drift line and fresh water inlets support yellow iris Iris pseudacorus and hemlock water dropwort Oenanthe crocata. Further up river, as salinity decreases the mar…

Portsmouth Harbour

…highest levels these marshes grade to tussocky grassland dominated by sea couch Elytrigia atherica and on Pewit Island this grassland has in turn been colonised by oak and blackthorn scrub. The nationally scarce golden samphire Inula crithmoides occurs at the upper limits of sea …

Tower Hill to Cockham Wood

…man's spikenard Inula conyza. A narrowgrassy zone, dominated by sea couch grass Elytrigia atherica, occurs at intervals along the junction between woodland and intertidal mud flats. Minor slippages and wave action have led to erosion of this habitat. A number of scarce species we…

Briddlesford Copses

…nteresting transition from woodland through freshwater marsh to sea couch grass Elytrigia atherica dominated saltmarsh. The saltmarsh provides a feeding ground for a variety of wildfowl and wading birds including snipe Gallinago gallinago, mallard Anas platyrhynchos and heron Ar…

Sinah Common

…s on the fixed dunes in association with lyme grass Leymus arenarius, sea couch Elytrigia atherica and sand sedge Carex arenaria. The locally scarce sea spurge Euphorbia paralias, soft brome Bromus hordeaceus subsp ferronii and the nationally scarce dune fescue, Vulpia fasciculat…

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