HydroBASINS lev08 watershed · #6080438380
Bassin de Riacho das Lagoas
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 4 administrative regions : Dormentes, Lagoa Grande, Petrolina, Santa Cruz
Sub-basin area
304,9km²
Upstream area
304,9km²
Discharge
1,01m³/s
Mean elev.
472m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 236.6 km²77.9% of basin
- Lagoa Grande66.5 km²21.9% of basin
- 0.4 km²0.1% of basin
- Santa Cruz0.0 km²0.0% of basin
1 intersecting protected areas
Wildlife Refuge
2.27 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
27 distinct species · 30 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Riacho das Lagoas : 6 espèces reliées par 5 interactions GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
24,4°C
Annual rain
534mm
Moisture idx (CMI)
-0,71
Runoff
108mm/an
PET
1 836mm
AET
450mm
Mean slope
1,6°
Water table
142cm
Forest
30%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)