Ontologia

Rivière· 138 segments

La Dordogne

Crosses 6 administrative regions : Cantal, Corrèze, Dordogne, Gironde, Lot +1

rivière

Total length

499km

Max discharge

462,1m³/s

Max Strahler

6

Segments matched

138

River geography6 admin regions · 222 communes

Parent watershed

hybas-2080555880740 km²

6 administrative regions crossed (GADM L2)

  • Dordogne
    Nouvelle-Aquitaine · France
    146.0 km
    in this dpt
  • Corrèze
    Nouvelle-Aquitaine · France
    120.7 km
    in this dpt
  • Lot
    Occitanie · France
    76.6 km
    in this dpt
  • Gironde
    Nouvelle-Aquitaine · France
    74.4 km
    in this dpt
  • Cantal
    Auvergne-Rhône-Alpes · France
    34.2 km
    in this dpt
  • Puy-de-Dôme
    Auvergne-Rhône-Alpes · France
    33.7 km
    in this dpt
222 communes (L5)

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 138 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

7 265 distinct species · 340 965 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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 Dordogne : 36 espèces + 3 bulles famille, 63 interactions GloBI documentées sur 7 types (connectance 8.5%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
63
Connectance
0.085
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

499km

Max discharge

462,1m³/s

Max Strahler

6

Segments matched

138

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