Holkham NNR
Designated site name: Holkham NNR   View map
Other designations: 13
Legally underpinned by:
Area (Ha): 3531.036 Grid reference: TF 918 453
Features from overlapped sites: 0
A Fen, marsh & swamp: Wintering waterfowl assemblage-non-breeding birds
Aggregation of non-breeding birds. Coastal lagoon
Atlantic salt meadows
Atlantic salt meadows: Aggregation of non-breeding birds:
Atlantic salt meadows: Breeding birds(redshank)
Atlantic salt meadows: Vascular plant assemblage (sea heath & matted sea lavender community)
Atlantic salt meadows: Wintering waterfowl assemblage
Boundary & internal structures
Coastal morphology
Common Rights
Common seal
Community Involvement
Ditch system
Economic Use
Embryonic sand dunes
Embryonic sand dunes: Breeding birds
Fen, marsh & swamp: Aggregation of non-breeding birds
Fen, marsh & swamp: Aggregations of breeding birds Bittern & marsh harrier
Fen, marsh & swamp: Aggregations of non-breeding birds Bittern
Fen, marsh & swamp: Assemblage of breeding birds: Mixed, including bearded tit, pochard, little egret
Fen, marsh & swamp: Plant communities
Fen, marsh & swamp: Wintering waterfowl assemblage - non breeding
Fixed dunes
Glasswort (samphire) and other annuals colonising mud
H& S compliance
Holkham fort
Humid dune slacks
Influence of sea: awareness of the dynamic nature of the marine landscape, its smells and sounds, the salt winds and seabirds and the effects of longshore drift.
Jersey cudweed
Lease agreements
Littoral sediment: Aggregation of non-breeding birds
Littoral sediment: Wintering waterfowl assemblage
Lowland wet grassland: Assemblage of breeding birds
Mediterranean saltmarsh scrub
Mixed pine spp./Holm oak planted woodland
Mudflats and sandflats not covered by seawater at low tide
Natterjack toad (BAP)
Naturalness of coast
Public Acess
Public infrastructures
Reptiles & Amphibians
Reserve Base
Reserved rights
Saline lagoon
Saltmarsh morphology
Shifting dunes
Staff resource
Strandline vegetation: SD2
Supralittoral vegetation: Breeding birds
Variety of breeding bird species
Vascular plants
Water control structures
Wild, remote and open, with long sweeping views.
Wintering twite, shorelark & snow bunting
WW2 structures
Zostera spp. (eelgrass) communities
Further information:
Overlapping site features
Other designations