HydroBASINS lev08 watershed · #2080574280
Bassin de l'Agoût
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Haute-Garonne, Tarn
Sub-basin area
79,7km²
Upstream area
3 500,6km²
Discharge
48,22m³/s
Mean elev.
154m
Administrative coverage
Species present
1 558 distinct species · 22 847 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Bassin de l'Agoût : 30 espèces + 4 bulles famille, 69 interactions GloBI documentées sur 4 types (connectance 12.3%, filtre Serrano α=0.2). Les 4 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
12,9°C
Annual rain
729mm
Moisture idx (CMI)
-0,26
Runoff
263mm/an
PET
989mm
AET
616mm
Mean slope
2,2°
Water table
159cm
Forest
0%
Crops
97%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)