Ruisseau· 2 segments
Ruisseau de Saint-Pierre
Crosses 3 administrative regions : Ariège, Haute-Garonne, Tarn-et-Garonne
Total length
69km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
2
River geography3 admin regions · 18 communes
3 administrative regions crossed (GADM L2)
- Tarn-et-GaronneOccitanie · France7.4 kmin this dpt
- Haute-GaronneOccitanie · France6.9 kmin this dpt
- AriègeOccitanie · France5.7 kmin this dpt
18 communes (L5)For countries with L5
- Aucamville6.83 km
- Launac4.78 km
- Rabat-les-Trois-Seigneurs2.56 km
- Surba2.01 km
- Thil1.12 km
- Tarascon-sur-Ariège1.00 km
- Larra0.60 km
- Verdun-sur-Garonne0.56 km
- Saint-Cézert0.40 km
- Arignac0.12 km
- Grenade0.00 km
- Quié0.00 km
- Gourbit0.00 km
- Bretx0.00 km
- Bompas0.00 km
- Grisolles0.00 km
- Bédeilhac-et-Aynat0.00 km
- Saurat0.00 km
9 intersecting protected areas
Pyrénées Ariégeoises
IUCN VRegional Nature Park
Garonne, Ariège, Hers, Salat, Pique et Neste
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Garonne de Muret à Moissac
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Special Areas of Conservation (Habitats Directive)
Special Protection Area (Birds Directive)
Biotope Protection Order
Biotope Protection Order
Roc De Sédour
IUCN IVBiotope Protection Order
Verdun Saint Pierre
IUCN IVBiotope Protection Order
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 406 distinct species · 5 794 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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).
Indicateurs du tissu écologique
Tissu écologique de Ruisseau de Saint-Pierre : 44 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 109 interactions GloBI documentées sur 6 types (connectance 10.1%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
69km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.