Ontologia

Rivière· 16 segments

Le Vern

Crosses 1 administrative regions : Dordogne

rivière

Total length

52km

Max discharge

50m³/s

Max Strahler

4

Segments matched

16

River geography1 admin regions · 21 communes

Parent watershed

hybas-20805514101957 km²

1 administrative regions crossed (GADM L2)

  • Dordogne
    Nouvelle-Aquitaine · France
    64.6 km
    in this dpt
21 communes (L5)

2 intersecting protected areas

1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

804 distinct species · 6 322 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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 Vern : 29 espèces + 6 bulles famille, 79 interactions GloBI documentées sur 4 types (connectance 13.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
35
Interactions affichées
79
Connectance
0.133
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

52km

Max discharge

50,0m³/s

Max Strahler

4

Segments matched

16

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