HydroBASINS lev08 watershed · #6080292460
Bassin de Rio Acaraú
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 3 administrative regions : Massapê, Meruoca, Sobral
Sub-basin area
188,8km²
Upstream area
12 100,4km²
Discharge
54,91m³/s
Mean elev.
181m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho Sabonete481 km²
- Bassin de Riacho do Boqueirão131 km²
3 dept-equivalent regions (GADM L2)
- 124.9 km²66.4% of basin
- 34.0 km²18.1% of basin
- 29.0 km²15.4% of basin
2 intersecting protected areas
Environmental Protection Area
27.73 km² overlap
Natural Heritage Private Reserve
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
617 distinct species · 16 204 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Acaraú : 18 espèces reliées par 23 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 6 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°
26,8°C
Annual rain
954mm
Moisture idx (CMI)
-0,48
Runoff
264mm/an
PET
1 868mm
AET
749mm
Mean slope
4,0°
Water table
137cm
Forest
62%
Crops
19%
Urban
5%
Protected
15%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)