Ontologia

Rivière· 23 segments

L'Ardèche

Crosses 2 administrative regions : Ardèche, Gard

rivière

Total length

132km

Max discharge

40,4m³/s

Max Strahler

4

Segments matched

23

River geography2 admin regions · 48 communes

Parent watershed

hybas-20805653202394 km²

2 administrative regions crossed (GADM L2)

  • Ardèche
    Auvergne-Rhône-Alpes · France
    81.6 km
    in this dpt
  • Gard
    Occitanie · France
    10.2 km
    in this dpt
48 communes (L5)

12 intersecting protected areas

3 more protected areas

1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 051 distinct species · 4 930 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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'Ardèche : 34 espèces + 3 bulles famille, 66 interactions GloBI documentées sur 5 types (connectance 9.9%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
66
Connectance
0.099
Patrimoniales
0
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

132km

Max discharge

40,4m³/s

Max Strahler

4

Segments matched

23

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