2318 page results
Active raised bogs
Published dateRaised bogs and mires and fens Description and ecological characteristics Active raised bogs are peat-forming ecosystems that have developed during thousands of years of peat accumulation, to such an ...
Slender green feather-moss [Drepanocladus (Hamatocaulis) vernicosus]
Published dateLower plant species Description and ecological characteristics Slender green feather-moss Drepanocladus vernicosus is a medium-sized straggling moss of base-rich flushes and springs in the uplands and...
Sea lamprey [Petromyzon marinus]
Published dateVertebrate species: fish Description and ecological characteristics The sea lamprey Petromyzon marinus is a primitive, jawless fish resembling an eel. It is the largest of the lampreys found in the UK...
Freshwater pearl mussel [Margaritifera margaritifera]
Published dateInvertebrate species: molluscs Description and ecological characteristics The freshwater pearl mussel Margaritifera margaritifera grows to 140 mm in length, and burrows into sandy substrates, often be...
Harbour porpoise [Phocoena phocoena]
Published dateVertebrate species: mammals Description and ecological characteristics Harbour porpoise Phocoena phocoena appears to favour the continental shelf and may make seasonal movements to the coast. This ins...
Atlantic salt meadows (Glauco-Puccinellietalia maritimae)
Published dateMarine, coastal and halophytic habitats Description and ecological characteristics Atlantic salt meadows develop when halophytic vegetation colonises soft intertidal sediments of mud and sand in areas...
Degraded raised bogs still capable of natural regeneration
Published dateRaised bogs and mires and fens Description and ecological characteristics Degraded raised bogs occur where there has been widespread disruption, usually by man, to the structure and function of the pe...
Calcareous rocky slopes with chasmophytic vegetation
Published dateRocky habitats and caves Description and ecological characteristics Chasmophytic vegetation consists of plant communities that colonise the cracks and fissures of rock faces. The type of plant communi...
Shifting dunes along the shoreline with Ammophila arenaria ('white dunes')
Published dateCoastal sand dunes and continental dunes Description and ecological characteristics Shifting dunes along the shoreline with Ammophila arenaria ("white dunes") encompasses most of the vegetation of uns...
Twaite shad [Alosa fallax]
Published dateVertebrate species: fish Description and ecological characteristics The twaite shad Alosa fallax is a member of the herring family. It is difficult to distinguish from its close relative 1102 Allis sh...