Ontologia

Rivière· 17 segments

La Drôme

Crosses 1 administrative regions : Drôme

rivière

Total length

191km

Max discharge

19,3m³/s

Max Strahler

4

Segments matched

17

River geography1 admin regions · 27 communes

Parent watershed

hybas-20805566901663 km²

1 administrative regions crossed (GADM L2)

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

4 intersecting protected areas

1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 068 distinct species · 8 165 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 La Drôme : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 6 types (connectance 18.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
103
Connectance
0.184
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

191km

Max discharge

19,3m³/s

Max Strahler

4

Segments matched

17

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