1591 page results
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...
Killarney fern [Trichomanes speciosum]
Published dateHigher plant species Description and ecological characteristics Killarney fern Trichomanes speciosum is a medium-sized, long-lived fern with delicate, translucent fronds arising from a creeping rhizom...
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...
Mediterranean temporary ponds
Published dateFreshwater habitats Description and ecological characteristics Mediterranean temporary ponds consist of winter-flooded areas, which dry out to give vegetation rich in annuals; many of these are nation...
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 ...
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...
Hydrophilous tall herb fringe communities of plains and of the montane to alpine levels
Published dateNatural and semi-natural grassland formations Description and ecological characteristics This habitat type is typically found on ungrazed upland cliff ledges, occasionally extending on to open ground,...
Hard oligo-mesotrophic waters with benthic vegetation of Chara spp.
Published dateFreshwater habitats Description and ecological characteristics This habitat type is characterised by water with a high base content, most often calcium but very rarely magnesium, and is usually confin...