HydroBASINS lev08 watershed · #6080378220
Bassin de Rio Piranhas-Açu
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 8 administrative regions : Brejo do Cruz, Catolé do Rocha, Jardim de Piranhas, Paulista, Riacho dos Cavalos +3
Sub-basin area
435,9km²
Upstream area
18 130,5km²
Discharge
69,08m³/s
Mean elev.
196m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho São Pedro325 km²
- Bassin de Rio Piranhas-Açu168 km²
8 dept-equivalent regions (GADM L2)
- 222.1 km²51.2% of basin
- 120.1 km²27.7% of basin
- 51.9 km²12.0% of basin
- 28.6 km²6.6% of basin
- 10.9 km²2.5% of basin
- 0.3 km²0.1% of basin
- 0.1 km²0.0% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
60 distinct species · 131 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Rio Piranhas-Açu : 6 espèces reliées par 5 interactions GloBI sur 4 types (connectance 17.9%, filtre Serrano α=0.2). 2 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°
26,5°C
Annual rain
754mm
Moisture idx (CMI)
-0,56
Runoff
123mm/an
PET
1 702mm
AET
638mm
Mean slope
2,8°
Water table
170cm
Forest
11%
Crops
10%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)