Mappp.co geology and wildlife sites

Samuel's Port

…weeds such as Cladophora rupestris and species of Ulva are common. Spiral wrack Fucus spiralis was recorded as frequent in patches. The beadlet anemone Actinia equina, carrageen Chondrus crispus and sea lettuce Ulva lactuca were recorded as occasional. Aplysia punctata a sea hare…

Outer Ards

…e brown seaweed, including channelled wrack Pelvetia canaliculata, spiral wrack Fucus spiralis, knotted wrack Ascophyllum nodosum, bladder wrack Fucus vesiculosus, toothed wrack Fucus serratus and oarweed Laminaria digitata, occur. Green seaweeds such as Enteromorpha spp. and Cla…

Berwickshire Coast (Intertidal)

…nd Himanthalia elongata and barnacle mosaics. These become mixed with the algae Fucus spiralis, F.vesiculosus and Ascophyllum nodosum in more moderately exposed to sheltered upper to mid shore locations. The lower shore eulittoral biotopes are represented by high quality examples…

Aber Afon Conwy

…peat, eulittoral firm clay with Mytilus edulis, lower eulittoral soft rock with Fucus serratus and sublittoral fringe soft rock with Laminaria digitata. In addition the site supports specialised communities of shallow pools on mixed substrata with hydroids, ephemeral algae and Li…

Strangford Lough Part 3

…mark. In Kircubbin Bay, luxuriant growths of Ascophyllum nodosum knotted wrack, Fucus serratus saw wrack and Dictyota dichotoma cover the boulders, which are embedded in a mixture of gravel, sand and mud. Living under the boulders are the polychaetes Amphitrite johnstoni and Eupo…

Dale and South Marloes Coast

… bedrock slopes more gently or forms a platform, species such as serrated wrack Fucus serratus or bladder wrack Fucus vesiculosus occur, with the non-vesiculate form of bladder wrack, Fucus vesiculosus (var.) linearis in more sheltered areas. Above this algal zone, barnacles, esp…

Mournes Coast

…ith coarse sand in between. This part of the shore is dominated by spiral wrack Fucus spiralis and rough periwinkle Littorina saxatilis upper shore, and common limpet Patella vulgata, acorn barnacles Semibalanus balanoides and the common periwinkle Littorina littorea mid shore wi…

Killough Bay and Strand Lough

…include the shore species channelled wrack Pelvetia canaliculata, toothed wrack Fucus serratus, spiral wrack Fucus spiralis and knotted wrack Ascophyllum nodosum. The red seaweed Corallina officinalis and the green seaweeds Enteromorpha spp. and Cladophora spp. occur in rockpools…

St. John's Point

…by Irish moss Chondrus crispus, pepper dulse Osmundea pinnatifida, spiral wrack Fucus spiralis, toothed wrack Fucus serratus and sea lettuce Ulva lactuca, while invertebrates such as flat top shell Steromphala umbilicalis, thick top shell Phorcus lineatus and beadlet anemone Acti…

Porth Dinllaen i Borth Pistyll

…elp, are also found on the rocky coast here. Upper shore seaweeds, spiral wrack Fucus spiralis and channel wrack Pelvetia canaliculata are very common on upper shore bedrock in this area. Below on the mid-shore, these seaweeds, the barnacles Semibalanus balanoides and Chthamalus …

Mynydd Tir y Cwmwd a'r Glannau at Garreg yr Imbill

… Dumontia contorta, bootlace weed Chorda filum, Ceramium species, bladder wrack Fucus vesiculosus, saw wrack Fucus serratus, pepper dulse Osmundea pinnatifida, Osmundea hybrida and encrusting calcareous Lithothaminon species of red algae. In addition to the carpet shells, a varie…

Brading Marshes to St. Helen's Ledges

…nities of brown algae occur with various dominant seaweeds such as bladderwrack Fucus vesiculosus, serrated wrack Fucus serratus and egg wrack Ascophyllum nodosum. Elsewhere the upper shore is dominated by the green algae Enteromorpha linza. On the ledges themselves both Codium t…

Carlingford Lough

…lat. Channelled wrack Pelvetia canaliculata grades down shore into spiral wrack Fucus spiralis with successive bands of knotted wrack Ascophyllum nodosum, bladder wrack Fucus vesiculosus, and toothed wrack Fucus serratus towards low tide. Examples of three out of the four major i…

Glannau Porthaethwy

…ing a wide band. A band of channel wrack Pelvetia canaliculata and spiral wrack Fucus spiralis occurs just below this level, followed by successive zones lower down the shore of knotted wrack Ascophyllum nodosum, bladder wrack Fucus vesiculosus, and serrated wrack Fucus serratus.…

Borth - Clarach

… support a healthy population of the honeycomb worm, often amongst bladderwrack Fucus vesiculosus or serrated wrack Fucus serratus. On the lower shore, the sides of some gullies support a shaded overhang community of bryozoans, sea squirts and sponges. There are many shallow rock…

The Gobbins

…there are some localised pockets of shelter with high fucoid cover spiral wrack Fucus spiralis and toothed wrack Fucus serratus and channelled wrack Pelvetia canaliculata is present in the more sheltered areas. The area is characterised by an upper splash zone dominated by the li…

Morfa Dyffryn

…, fauna and flora. The boulders within the reefs are covered with bladder wrack Fucus vesiculosus and toothed wrack Fucus serratus. The rockpools formed within the reefs are rich in species such as the red algae Corallina officinalis and Lithophyllum spp., winkles Littorina litto…

Glannau Rhoscolyn

…ies including cuvie Laminaria hyperborea, Mastocarpus stellatus, serrated wrack Fucus serratus, egg wrack Ascophyllum nodosum, bladder wrack Fucus vesiculosus, channel wrack Pelvetia canaliculata and spiral wrack Fucus spiralis. Most of the bedrock cliffs of the site are exposed …

The Maidens

… there are localised pockets of shelter with moderate fucoid cover spiral wrack Fucus spiralis and the toothed wrack Fucus serratus. The Maidens is notable for the following biotopes, which are typical of an exposed rocky shore: yellow and grey lichens, Verrucaria maura, Chthamal…

Plymouth Sound Shores and Cliffs

…s of mixed seaweeds such as the egg wrack Ascophyllum nodosum and bladder wrack Fucus vesiculosus grading into a dense zone of saw wrack Fucus serratus. The gastropods Monodonta lineata and the periwinkle Littorina littorea are abundant. The diversity of habitats is increased by …

The Vadills

…ittoral zones of very sheltered shores in Shetland, dominated by serrated wrack Fucus serratus, channel wrack Pelvetia canaliculata, egg wrack Ascophyllum nodosum, bladder wrack Fucus vesiculosus, spiral wrack F.spiralis and F.ceranoides. Small areas of extremely sheltered sedime…

Yealm Estuary

…mpets Patella vulgata alone or a mosaic of these with the seaweed bladder wrack Fucus vesiculosus. Zones above these include intermittent zones of lichens and the seaweeds flat wrack Fucus spiralis and channel wrack Pelvetia canaliculata, and below these include saw wrack Fucus s…

Ynys Enlli

…a pygmaea. A variety of bladder wrack that lacks the characteristic ‘bladders’, Fucus vesiculosus var. linearis, is also found on the mid-to low-shore. Thongweed Himanthalia elongata grows on rock surfaces with a relatively sheltered aspect on the lower-shore, and is replaced by …

Whitecliff Bay and Bembridge Ledges

…vements. The ledges on the upper shore are dominated by scattered bladder wrack Fucus vesiculosus. This gives way in the middle and lower shore to extensive mats of sea wrack Fucus serratus, punctuated by pools in the wider rock crevices, in which rare algal species such as Padin…

Wig Bach a'r Glannau i Borth Alwm

…ch as Bathyporeia sp., Haustorius arenarius and Eurydice pulchra. Bladder wrack Fucus vesiculosus is found on midshore boulders to the west of Porth Ysgo and Porth Alwm, with serrated wrack Fucus serratus dominating lower shore boulders along with the sand-binding red seaweed Rho…

Killard

…aura. Channelled wrack Pelvetia canaliculata grades downshore into spiral wrack Fucus spiralis, and there are successive bands of knotted wrack Ascophyllum nodosum, or winged weed Membranoptera alata and toothed wrack Fucus serratus, with batters frond Gigartina stellata and oarw…

Glanllynnau a Glannau Pen-ychain i Gricieth

…hthamalus montagui and Semibalanus balanoides in association with bladder wrack Fucus vesiculosus on more sheltered outcrops and the common mussel Mytilus edulis in more exposed areas. On the mid to lower shore serrated wrack Fucus serratus dominates and is interspersed with the …

Arfordir Penrhyn Angle / Angle Peninsula Coast

…ther up the shore many of the lower shore rocks are dominated by serrated wrack Fucus serratus, turf-forming red algae such as pepper dulse Osmundea pinnatifida and Mastocarpus stellatus and thong-weed Himanthalia elongata. Areas of bedrock and boulders at the mid-shore level are…

Arfordir Gogleddol Penmon

…ria maura and the seaweeds channel wrack Pelvetia canaliculata and spiral wrack Fucus spiralis dominating rock surfaces immediately below. A wide band of barnacles, particularly the acorn barnacle Semibalanus balanoides, common limpets Patella vulgata and common mussels Mytilus e…

Creigiau Rhiwledyn / Little Ormes Head

…tica. To the east of the headland this species occurs amongst the toothed wrack Fucus serratus. However along the majority of the rock headland it occurs within a band of oarweed Laminaria digitata to below mean low water. Unusually high numbers of the polychaete worm Polydora sp…

Arfordir Niwgwl - Aber Bach / Newgale - Little Haven Coast

…oak Halidrys siliquosa, carragheen moss Chondrus crispus, common prawn Palaemon serratus, snakelocks anemone Anemonia viridis and flat top shell Steromphala umbilicalis. Other rockpools include those that are sediment floored, containing sand tolerant seaweeds such as Polyides ro…

Skomer Island and Middleholm

…mpets Patella sp., with occasional patches of the exposed form of bladder wrack Fucus vesiculosus var. linearis where the bedrock becomes less steep, and a thin, broken cover of the pygmy lichen Lichina pygmaea higher on the shores. There is also a distinct horizontal band of pep…

Porth Towyn i Borth Wen

…kpools. The brown seaweeds channel wrack Pelvetia canaliculata and spiral wrack Fucus spiralis dominate the upper-shore. The barnacles Semibalanus balanoides and Chthamalus stellatus form a mid-shore zone, with increasing cover of bladder wrack Fucus vesiculosus towards the lower…

Glannau Tonfanau i Friog

…uenced by sand scour Close to Sarn y Bwch, brown seaweeds such as bladder wrack Fucus vesiculosus dominate the boulder shore and in places the seaweeds are replaced by a dense covering of edible mussel Mytilus edulis. Sarn y Bwch itself has a sparse covering of barnacles on its c…

Ramsey / Ynys Dewi

…ata. Less exposed lower shore rock and boulders are dominated by serrated wrack Fucus serratus with a variety of red algae such as carragheen Mastocarpus stellatus, pepper dulse Osmundea pinnatifida and dulse Palmaria palmata. Under-boulder communities occur in more sheltered are…

Loch nam Madadh

…s of rocky bedrock form reefs. At Alioter, the reef is dominated by the seaweed Fucus serratus whilst steeper areas of the reefs near the outlet from Loch an Strumore are dominated by the red seaweed Furcellaria lumbricalis. Intertidal mudflats and sandflats Lagoons Reefs Shallo…

De Porth Sain Ffraid / St Bride's Bay South

…ey of encrusting and filamentous red algae in places, often with serrated wrack Fucus serratus and patches of the mussel Mytilus edulis. In other parts of the site, this zone supports a mixture of red algae, including dulse Palmaria palmata and pepper dulse Osmundea pinnatifida, …

Rosemullion

…l fringe support a well-developed seaweed community dominated by serrated wrack Fucus serratus and kelps Laminaria spp. The shore is particularly important for the well-developed underboulder communities and rich boulder interstices. The species present show a strong southern ele…

Porth Ceiriad, Porth Neigwl ac Ynysoedd Sant Tudwal

…, and two nationally important communities: tide-swept rock with serrated wrack Fucus serratus, sponges and sea-squirts, and tide-swept rock with oarweed Laminaria digitata, sea-squirts and bryozoans. High on the mainland cliffs in areas subject to sea-spray there are lichen ass…

Galboly

…mid-eulittoral is dominated by the common limpet Patella vulgata, toothed wrack Fucus serratus and knotted wrack Ascophyllum nodosum. The lower eulittoral is dominated by false Irish moss Mastocarpus stellatus, pepper dulse Osmundea pinnatifida and encrusting red algae. The brown…

Aberarth - Carreg Wylan

…rockpools, both deep ones dominated by large brown algae such as serrated wrack Fucus serratus, kelps L. saccharina, L. digitata and shallow ones dominated by Cochlearia officinalis. The many caves and overhangs are varied and support a variety of important communities, including…

Glannau Aberdaron

…en more sheltered east-facing coast the red algae is overgrown by toothed wrack Fucus serratus. Species of Enteromorpha are the dominant seaweed in small sheltered bays along the coastline. Dabberlocks kelp covers the extreme low shore of the more exposed areas, while oarweed dom…

Glannau Penmon - Biwmares

…n high water, the seaweeds channel wrack Pelvetia canaliculata and spiral wrack Fucus spiralis occur. The gently sloping mid-to lower-shore region alternates between areas of cobbles in muddy gravels, colonised by barnacles or brown seaweeds, and areas of muddy gravel and muddy s…

Tyrella and Minerstown

…mid-eulittoral is dominated by the common limpet Patella vulgata, toothed wrack Fucus serratus and knotted wrack Ascophyllum nodosum, with expanses of channelled wrack Pelvetia canaliculata in the sheltered areas. The lower eulittoral is dominated by false Irish moss Mastocarpus …

Castlemartin Range

…, support extensive rock pools that are rich in coralline algae, serrated wrack Fucus serratus and kelp, or else floored with sediments and sand-tolerant algae. The numerous surge gullies are colourful, dominated by a variety of abundant filter feeding species. Rock boring specie…

Pen y Gogarth / Great Ormes Head

…rock outcrops and boulders amongst oarweed Laminaria digitata or serrated wrack Fucus serratus seaweeds. Steep sea cliffs exhibit an almost uninterrupted zonation with broad bands of yellow and grey lichens, the black tar lichen Verrucaria maura, acorn barnacles Chthamalus montag…

Robin Hood's Bay: Maw Wyke to Beast Cliff

…oid biotopes characteristic of moderately exposed shores Pelvetia canaliculata, Fucus spiralis, Fucus vesiculosus, F. serratusinto the kelp zone Laminaria digitata the latter which straddles the low water mark. In the Far Jetticks area, good quality, extensive areas of two natio…

Thorness Bay

… Isle of Wight. The rich algal flora they support is dominated by toothed wrack Fucus serratus, commonly with Irish moss Chondrus crispus, Japanese seaweed Sargassum muticum, and, on the lower shore, oarweed Laminaria species. The invertebrate fauna on these ledges includes an ab…

Pwll-du Head and Bishopston Valley

… alveolata occur. These reefs often occur with a dense canopy of serrated wrack Fucus serratus and pepper dulse Osmundea pinnatifida. Where honeycomb worm is not dominant, edible mussels Mytilus edulis grow. These occur either in association with the barnacle Austrominius modestu…

Waterwynch Bay to Saundersfoot Harbour

…Between the bays, many of the lower shore rocks are dominated by serrated wrack Fucus serratus and turf-forming red algae such as pepper dulse Osmundea pinnatifida and Mastocarpus stellatus. Vertical rock sides and overhangs higher up the lower shore rock support a rich variety o…

Lower Fal & Helford Intertidal

…impet/barnacle and fucoid brown algae on the midshore, with rich serrated wrack Fucus serratus dominating the lower shore. Additional interest is provided by the presence of stable boulders on the lower shore which harbour rich communities. Characteristic species include cushion …

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