HydroBASINS lev08 watershed · #6080395450
Bassin de Riacho do Apertado
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 6 administrative regions : Araripina, Caldeirão Grande do Piauí, Campos Sales, Fronteiras, Ipubi +1
Sub-basin area
465,5km²
Upstream area
465,5km²
Discharge
0,65m³/s
Mean elev.
698m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 389.7 km²84.1% of basin
- 44.6 km²9.6% of basin
- 19.0 km²4.1% of basin
- 5.8 km²1.3% of basin
- 4.4 km²1.0% of basin
- 0.1 km²0.0% of basin
1 intersecting protected areas
Environmental Protection Area
458.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
66 distinct species · 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 do Apertado : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, 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°
23,7°C
Annual rain
706mm
Moisture idx (CMI)
-0,58
Runoff
56mm/an
PET
1 664mm
AET
597mm
Mean slope
1,4°
Water table
426cm
Forest
0%
Crops
23%
Urban
1%
Protected
87%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)