Ruisseau
Le Grand Rang
Crosses 1 administrative regions : Eure
Total length
2km
Max discharge
1,6m³/s
Max Strahler
2
Segments matched
1
River geography1 admin regions · 2 communes
1 administrative regions crossed (GADM L2)
- EureNormandie · France1.8 kmin this dpt
2 communes (L5)For countries with L5
- Les Andelys1.77 km
- Tosny0.00 km
4 intersecting protected areas
Terrasses alluviales de la Seine
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Boucles de la Seine Amont d'Amfreville à Gaillon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Iles et berges de la Seine dans l'Eure
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
la cote saint-jacques
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 212 distinct species · 13 448 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Le Grand Rang : 23 espèces reliées par 47 interactions GloBI sur 5 types (connectance 14.5%, filtre Serrano α=0.2). 3 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
2km
Max discharge
1,6m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.