Ruisseau· 2 segments
Afon Hesgyn
Crosses 1 administrative regions : NA
Total length
6km
Max discharge
3m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NAWales · United Kingdom4.5 kmin this dpt
6 intersecting protected areas
Eryri
IUCN VNational Park
Migneint-Arenig-Dduallt
IUCN Not ReportedEmerald Network
Migneint-Arenig-Dduallt
IUCN Not ReportedEmerald Network
Migneint-Arenig-Dduallt
IUCN IVSite of Special Scientific Interest
Afon Dyfrdwy (River Dee)
IUCN IVSite of Special Scientific Interest
River Dee and Bala Lake/ Afon Dyfrdwy a Llyn Tegid
IUCN Not ReportedEmerald Network
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
684 distinct species · 2 224 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 50 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 Hesgyn : 39 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 151 interactions GloBI sur 5 types (connectance 11.8%, filtre Serrano α=0.2). 12 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
6km
Max discharge
3,0m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.