Rivière· 43 segments

River Dee

Crosses 6 administrative regions : Flintshire, NA

rivière

Total length

364km

Max discharge

50,8m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-20800503401994 km²

6 administrative regions crossed (GADM L2)

NA
Wales · United Kingdom
33.6 km
in this dpt
NA
Wales · United Kingdom
30.6 km
in this dpt
NA
NA · United Kingdom
17.0 km
in this dpt
Flintshire
Wales · United Kingdom
12.9 km
in this dpt
NA
Wales · United Kingdom
9.4 km
in this dpt
NA
England · United Kingdom
1.3 km
in this dpt

29 intersecting protected areas

Eryri
IUCN V
National Park
Bryniau Clwyd A Dyffryn Dyfrdwy/Clwydian Range And Dee Valley
IUCN V
Area Of Outstanding Natural Beauty
Berwyn a Mynyddoedd de Clwyd/ Berwyn and South Clwyd Mountains
IUCN Not Reported
Emerald Network
Berwyn
IUCN Not Reported
Emerald Network
Berwyn
IUCN IV
Site of Special Scientific Interest
Dee Estuary/ Aber Dyfrdwy
IUCN Not Reported
Emerald Network
The Dee Estuary
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
The Dee Estuary
IUCN Not Reported
Emerald Network
Dee Estuary / Aber Dyfrdwy
IUCN Not Reported
Marine Protected Area (OSPAR)

20 more protected areassorted by area

The Dee Estuary
IUCN Not Reported
Marine Protected Area (OSPAR)
Dee Estuary / Aber Afon Dyfrdwy
IUCN IV
Site of Special Scientific Interest
Dee Estuary
IUCN IV
Nature Reserve
Ruabon/Llantysilio Mountains And Minera
IUCN IV
Site of Special Scientific Interest
Afon Dyfrdwy (River Dee)
IUCN IV
Site of Special Scientific Interest
River Dee and Bala Lake/ Afon Dyfrdwy a Llyn Tegid
IUCN Not Reported
Emerald Network
Llyn Tegid
IUCN IV
Site of Special Scientific Interest
Llyn Tegid
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
River Dee (England)
IUCN IV
Site of Special Scientific Interest
Nant-Y-Belan And Prynela Woods
IUCN IV
Site of Special Scientific Interest
Coed Hyrddyn (Velvet Hill)
IUCN V
Nature Reserve
Ifton Meadows
IUCN IV
Local Nature Reserve
Shell Brook Pastures
IUCN IV
Site of Special Scientific Interest
Chwarel a Mwyngloddfa Penarth
IUCN IV
Site of Special Scientific Interest
Penarth Quarry
IUCN IV
Site of Special Scientific Interest
Chwarel a Mwyngloddfa Penarth (underground only)
IUCN IV
Site of Special Scientific Interest
Cloy Brook Pastures
IUCN IV
Site of Special Scientific Interest
Dee Cliffs, Farndon
IUCN IV
Site of Special Scientific Interest
Chwareli Hafod Y Calch A Phlas Uchaf
IUCN IV
Site of Special Scientific Interest
Tryweryn River Sections
IUCN IV
Site of Special Scientific Interest

1 page = 1 named river (aggregation of 43 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 972 distinct species · 19 540 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de River Dee : 17 espèces reliées par 57 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.140

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)