Ruisseau· 3 segments
River Avill
Crosses 1 administrative regions : Somerset
Total length
14km
Max discharge
1,2m³/s
Max Strahler
2
Segments matched
3
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SomersetEngland · United Kingdom13.6 kmin this dpt
6 intersecting protected areas
Exmoor
IUCN VNational Park
North Exmoor
IUCN IVSite of Special Scientific Interest
Exmoor Heaths
IUCN Not ReportedEmerald Network
Dunster Park and Heathlands
IUCN IVSite of Special Scientific Interest
Grabbist Hill
IUCN VNature Reserve
Dunster Castle
IUCN VNature Reserve
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 122 distinct species · 4 375 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).
Indicateurs du tissu écologique
Tissu écologique de River Avill : 25 espèces reliées par 90 interactions GloBI sur 5 types (connectance 16.0%, filtre Serrano α=0.2). 9 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
14km
Max discharge
1,2m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.