HydroBASINS lev08 watershed · #6080294960
Bassin de Riacho do Boqueirão
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 : Alcântaras, Meruoca, Sobral
Sub-basin area
130,8km²
Upstream area
11 430,4km²
Discharge
47,97m³/s
Mean elev.
407m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Jaibaras1464 km²
- Bassin de Rio Acaraú168 km²
3 dept-equivalent regions (GADM L2)
- 78.1 km²60.0% of basin
- 27.2 km²20.9% of basin
- 24.9 km²19.1% of basin
1 intersecting protected areas
Environmental Protection Area
38.83 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
711 distinct species · 41 118 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Boqueirão : 24 espèces reliées par 44 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 11 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°
25,1°C
Annual rain
1 235mm
Moisture idx (CMI)
-0,30
Runoff
286mm/an
PET
1 791mm
AET
873mm
Mean slope
10,6°
Water table
390cm
Forest
79%
Crops
28%
Urban
14%
Protected
29%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)