Ontologia

Rivière· 2 segments

Ruisseau du Val Saint-Martin

Crosses 1 administrative regions : Eure

rivière

Total length

1km

Max discharge

444,4m³/s

Max Strahler

6

Segments matched

2

River geography1 admin regions · 9 communes

Parent watershed

hybas-2080446580558 km²

1 administrative regions crossed (GADM L2)

  • Eure
    Normandie · France
    8.7 km
    in this dpt
9 communes (L5)

6 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 305 distinct species · 10 425 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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 Ruisseau du Val Saint-Martin : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 5 types (connectance 22.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
124
Connectance
0.221
Patrimoniales
2
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

1km

Max discharge

444,4m³/s

Max Strahler

6

Segments matched

2

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