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172 page results for 'British silurian stratigraphy'

Semi-natural dry grasslands and scrubland facies: on calcareous substrates (Festuco-Brometalia), ( note that this includes the priority feature "important orchid rich sites").

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Grassland-scrub transitions provide important habitats for a wide range of rare and local British species ... scarce vascular plants typical of the oceanic southern temperate and Mediterranean elements of the British

North Pennine Moors

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bigelowii and fir clubmoss Huperzia selago . 91A0 Old sessile oak woods with Ilex and Blechnum in the British

Cadair Idris

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bog) * Priority feature 7230 Alkaline fens 91A0 Old sessile oak woods with Ilex and Blechnum in the British

Great crested newt [Triturus cristatus]

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Description and ecological characteristics The great crested newt Triturus cristatus is the largest native British ... as pond density are probably more important in determining distribution across the main part of its British

Swallow Sand MPA

Published date 2026-05-13

Following the 2012 MCZ site verification survey, analysis was completed by the British Geological Survey ... Conservation Zone selection – Distribution of rock/hard substrate on UK Continental shelf (2010 ) – The British

SS.SCS.CCS.Nmix Neopentadactyla mixta in circalittoral shell gravel or coarse sand

Published date 2015-03

O. annulosa only occurs in records from the south-west of the British Isles.

Dorset Heaths

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All six species of native British reptiles, including the Annex IV species sand lizard Lacerta agilis

Alpine and Boreal heaths

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abundant and diverse assemblage of characteristic Atlantic liverworts and mosses that is unique to the British ... This alpine heath type is unique to the British Isles; it is rare in Ireland and attains its finest and

Calf Hill and Cragg Woods

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primary reason for selection of this site 91A0 Old sessile oak woods with Ilex and Blechnum in the British

The Stiperstones and The Hollies

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primary reason for selection of this site 91A0 Old sessile oak woods with Ilex and Blechnum in the British