Ruisseau· 2 segments
Afon Clywedog
Crosses 2 administrative regions : NA, Powys
Total length
48km
Max discharge
1m³/s
Max Strahler
2
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- NAWales · United Kingdom7.0 kmin this dpt
- PowysWales · United Kingdom0.0 kmin this dpt
6 intersecting protected areas
Eryri
IUCN VNational Park
Berwyn a Mynyddoedd de Clwyd/ Berwyn and South Clwyd Mountains
IUCN Not ReportedEmerald Network
Berwyn
IUCN Not ReportedEmerald Network
Berwyn
IUCN IVSite of Special Scientific Interest
Y Berwyn
IUCN IVNational Nature Reserve
Site of Special Scientific Interest
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 652 distinct species · 8 197 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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).
Indicateurs du tissu écologique
Tissu écologique de Afon Clywedog : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
48km
Max discharge
1,0m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.