Ontologia

Rivière· 11 segments

L'Iton (bras)

Crosses 2 administrative regions : Eure, Orne

rivière

Total length

28km

Max discharge

41,1m³/s

Max Strahler

5

Segments matched

11

River geography2 admin regions · 32 communes

Parent watershed

hybas-20804506701211 km²

2 administrative regions crossed (GADM L2)

  • Eure
    Normandie · France
    30.7 km
    in this dpt
  • Orne
    Normandie · France
    8.9 km
    in this dpt
32 communes (L5)

4 intersecting protected areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 036 distinct species · 7 319 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de L'Iton (bras) : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 13.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
99
Connectance
0.134
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

28km

Max discharge

41,1m³/s

Max Strahler

5

Segments matched

11

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.