Ontologia

Rivière· 3 segments

Le Chalon

Crosses 1 administrative regions : Drôme

rivière

Total length

36km

Max discharge

177,9m³/s

Max Strahler

6

Segments matched

3

River geography1 admin regions · 15 communes

Parent watershed

hybas-2080552470778 km²

1 administrative regions crossed (GADM L2)

  • Drôme
    Auvergne-Rhône-Alpes · France
    22.3 km
    in this dpt
15 communes (L5)

1 intersecting protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 425 distinct species · 18 271 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Le Chalon : 30 espèces + 3 bulles famille, 94 interactions GloBI documentées sur 5 types (connectance 17.8%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
33
Interactions affichées
94
Connectance
0.178
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

36km

Max discharge

177,9m³/s

Max Strahler

6

Segments matched

3

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