Ruisseau
Ruisseau de Saint-Alby
Crosses 2 administrative regions : Lot, Tarn-et-Garonne
Total length
6km
Max discharge
0,2m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 6 communes
2 administrative regions crossed (GADM L2)
- LotOccitanie · France3.4 kmin this dpt
- Tarn-et-GaronneOccitanie · France0.0 kmin this dpt
6 communes (L5)For countries with L5
- Bach2.33 km
- Vaylats1.04 km
- Saint-Projet0.02 km
- Caylus0.00 km
- Loze0.00 km
- Mouillac0.00 km
2 intersecting protected areas
Causses Du Quercy
IUCN VRegional Nature Park
Lot
IUCN IIINational Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
993 distinct species · 4 170 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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-Alby : 30 espèces + 3 bulles famille, 73 interactions GloBI documentées sur 5 types (connectance 13.8%, 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
6km
Max discharge
0,2m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.