Ruisseau
River Valency
Crosses 1 administrative regions : NA
Total length
8km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NAEngland · United Kingdom4.5 kmin this dpt
11 intersecting protected areas
Bristol Channel Approaches / Dynesfeydd Môr Hafren
IUCN Not ReportedEmerald Network
Bristol Channel Approaches / Dynesfeydd Mor Hafren
IUCN Not AssignedMarine Protected Area (OSPAR)
Cornwall
IUCN VArea of Outstanding Natural Beauty
Hartland Point to Tintagel
IUCN IVMarine Conservation Zone
Hartland Point to Tintagel
IUCN Not ReportedMarine Protected Area (OSPAR)
Heritage Coast
Tintagel-Marsland-Clovelly Coast
IUCN Not ReportedEmerald Network
Boscastle to Widemouth
IUCN IVSite of Special Scientific Interest
Tintagel Cliffs
IUCN IVSite of Special Scientific Interest
2 more protected areassorted by area
Boscastle
IUCN VNature Reserve
Minster Church
IUCN IVSite of Special Scientific Interest
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 945 distinct species · 8 617 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Valency : 23 espèces reliées par 59 interactions GloBI sur 5 types (connectance 13.6%, filtre Serrano α=0.2). 7 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
8km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.