Ruisseau· 4 segments

Ebbw River

Crosses 2 administrative regions : Caerphilly, Newport

ruisseau

Total length

28km

Max discharge

6,8m³/s

Max Strahler

Segments matched

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080049720501 km²

2 administrative regions crossed (GADM L2)

Caerphilly
Wales · United Kingdom
11.4 km
in this dpt
Newport
Wales · United Kingdom
9.7 km
in this dpt

13 intersecting protected areas

Severn Estuary/ Môr Hafren
IUCN Not Reported
Emerald Network
Severn Estuary / Môr Hafren
IUCN Not Reported
Marine Protected Area (OSPAR)
Severn Estuary
IUCN Not Reported
Emerald Network
Severn Estuary
IUCN IV
Wetland of International Importance (Ramsar Site)
Severn Estuary
IUCN Not Reported
Marine Protected Area (OSPAR)
Severn Estuary
IUCN IV
Site of Special Scientific Interest
Gwent Levels - St. Brides
IUCN IV
Site of Special Scientific Interest
River Usk/ Afon Wysg
IUCN Not Reported
Emerald Network
Newport Wetlands
IUCN IV
National Nature Reserve

4 more protected areassorted by area

River Usk (Lower Usk)/Afon Wysg (Wysg Isaf)
IUCN IV
Site of Special Scientific Interest
Gwlyptiroedd Casnewedd / Newport Wetlands
IUCN IV
Site of Special Scientific Interest
Coed-Y-Darren
IUCN IV
Site of Special Scientific Interest
Dan Y Graig Quarry, Risca
IUCN IV
Site of Special Scientific Interest

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 064 distinct species · 12 567 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Ebbw River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.084

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)