Ontologia

Ruisseau

Le Seignal

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

ruisseau

Total length

23km

Max discharge

0,8m³/s

Max Strahler

1

Segments matched

1

River geography3 admin regions · 11 communes

Parent watershed

hybas-20805540402385 km²

3 administrative regions crossed (GADM L2)

  • Dordogne
    Nouvelle-Aquitaine · France
    7.9 km
    in this dpt
  • Gironde
    Nouvelle-Aquitaine · France
    7.8 km
    in this dpt
  • Lot-et-Garonne
    Nouvelle-Aquitaine · France
    0.0 km
    in this dpt
11 communes (L5)

1 intersecting protected areas

  • La Dordogne

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

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

Species present

990 distinct species · 6 830 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 Le Seignal : 33 espèces + 6 bulles famille, 85 interactions GloBI documentées sur 6 types (connectance 11.5%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
85
Connectance
0.115
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

23km

Max discharge

0,8m³/s

Max Strahler

1

Segments matched

1

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