Ruisseau· 45 segments

Afon Teifi

Crosses 3 administrative regions : Carmarthenshire, Ceredigion, Pembrokeshire

ruisseau

Total length

119km

Max discharge

32,5m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080050040991 km²

3 administrative regions crossed (GADM L2)

Ceredigion
Wales · United Kingdom
62.6 km
in this dpt
Carmarthenshire
Wales · United Kingdom
23.5 km
in this dpt
Pembrokeshire
Wales · United Kingdom
3.9 km
in this dpt

20 intersecting protected areas

Elenydd - Mallaen
IUCN Not Reported
Emerald Network
Elenydd
IUCN IV
Site of Special Scientific Interest
Cors Caron
IUCN IV
Wetland of International Importance (Ramsar Site)
Cors Caron
IUCN IV
Site of Special Scientific Interest
Cors Caron
IUCN Not Reported
Emerald Network
Cors Caron
IUCN IV
National Nature Reserve
Afon Teifi
IUCN IV
Site of Special Scientific Interest
Afon Teifi/ River Teifi
IUCN Not Reported
Emerald Network
Rhosydd Bryn-Maen
IUCN IV
Site of Special Scientific Interest

11 more protected areassorted by area

Coedmor
IUCN IV
National Nature Reserve
Coedydd A Corsydd Aberteifi (Teifi Estuary Woodlands & Marshes)
IUCN IV
Site of Special Scientific Interest
Old Cilgwyn And Cae Heslop
IUCN IV
Site of Special Scientific Interest
Coed Tyddyn-Du
IUCN IV
Site of Special Scientific Interest
Coed Mynachlog-Fawr
IUCN IV
Site of Special Scientific Interest
Llyn Pencarreg
IUCN IV
Site of Special Scientific Interest
Gwaun Ystrad Caron
IUCN IV
Site of Special Scientific Interest
Corsydd A Rwyth Cilyblaidd
IUCN IV
Site of Special Scientific Interest
Rhos Gargoed
IUCN IV
Site of Special Scientific Interest
Rhos Fullbrook
IUCN IV
Site of Special Scientific Interest
Gwaun Pen-Lan
IUCN IV
Site of Special Scientific Interest

1 page = 1 named river (aggregation of 45 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 445 distinct species · 4 844 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 Afon Teifi : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.094

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)