Ontologia

Rivière· 78 segments

L'Isère

Crosses 3 administrative regions : Drôme, Isère, Savoie

rivière

Total length

295km

Max discharge

180,4m³/s

Max Strahler

6

Segments matched

78

River geography3 admin regions · 140 communes

Parent watershed

hybas-2080542080306 km²

3 administrative regions crossed (GADM L2)

  • Savoie
    Auvergne-Rhône-Alpes · France
    129.5 km
    in this dpt
  • Isère
    Auvergne-Rhône-Alpes · France
    67.5 km
    in this dpt
  • Drôme
    Auvergne-Rhône-Alpes · France
    23.8 km
    in this dpt
140 communes (L5)

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 78 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

7 109 distinct species · 285 818 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 45 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'Isère : 44 espèces + 1 bulle famille, 79 interactions GloBI documentées sur 6 types (connectance 8.0%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
45
Interactions affichées
79
Connectance
0.080
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

295km

Max discharge

180,4m³/s

Max Strahler

6

Segments matched

78

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