Ontologia

Rivière

Ruisseau Pucagne

Crosses 2 administrative regions : Gers, Lot-et-Garonne

rivière

Total length

3km

Max discharge

13,7m³/s

Max Strahler

4

Segments matched

1

River geography2 admin regions · 2 communes

Parent watershed

hybas-20805660802882 km²

2 administrative regions crossed (GADM L2)

  • Gers
    Occitanie · France
    6.1 km
    in this dpt
  • Lot-et-Garonne
    Nouvelle-Aquitaine · France
    4.4 km
    in this dpt
2 communes (L5)

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

Species present

526 distinct species · 1 174 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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 Ruisseau Pucagne : 42 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 77 interactions GloBI documentées sur 4 types (connectance 8.1%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
44
Interactions affichées
77
Connectance
0.081
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

3km

Max discharge

13,7m³/s

Max Strahler

4

Segments matched

1

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