HydroBASINS lev08 watershed · #1080684660
Bassin de Gouaya
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 1 administrative regions : Gnagna
Sub-basin area
302,1km²
Upstream area
5 372,2km²
Discharge
6,86m³/s
Mean elev.
280m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gouaya2670 km²
- Bassin de Gouaya724 km²
1 dept-equivalent regions (GADM L2)
- 300.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
142 distinct species · 784 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Gouaya : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 2 types (connectance 10.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
28,5°C
Annual rain
552mm
Moisture idx (CMI)
-0,74
Runoff
26mm/an
PET
2 086mm
AET
465mm
Mean slope
0,4°
Water table
114cm
Forest
0%
Crops
23%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)