Ontologia

Ruisseau· 17 segments

Le Dropt

Crosses 3 administrative regions : Dordogne, Gironde, Lot-et-Garonne

ruisseau

Total length

99km

Max discharge

11,8m³/s

Max Strahler

3

Segments matched

17

River geography3 admin regions · 47 communes

Parent watershed

hybas-20805601401340 km²

3 administrative regions crossed (GADM L2)

  • Lot-et-Garonne
    Nouvelle-Aquitaine · France
    60.0 km
    in this dpt
  • Dordogne
    Nouvelle-Aquitaine · France
    27.0 km
    in this dpt
  • Gironde
    Nouvelle-Aquitaine · France
    0.0 km
    in this dpt
47 communes (L5)

1 intersecting protected areas

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

Species present

784 distinct species · 9 462 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 Dropt : 27 espèces + 8 bulles famille, 74 interactions GloBI documentées sur 5 types (connectance 12.4%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
35
Interactions affichées
74
Connectance
0.124
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

99km

Max discharge

11,8m³/s

Max Strahler

3

Segments matched

17

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