HydroBASINS lev08 watershed · #6080410490
Bassin de Riacho Algodoais
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 : Cabaceiras, São Domingos do Cariri, São João do Cariri
Sub-basin area
332,1km²
Upstream area
5 867,8km²
Discharge
5,97m³/s
Mean elev.
455m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Boa Vista878 km²
- Bassin de Rio Taperoá67 km²
3 dept-equivalent regions (GADM L2)
- 219.2 km²66.3% of basin
- 65.4 km²19.8% of basin
- 46.1 km²13.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
368 distinct species · 593 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Algodoais : 27 espèces reliées par 53 interactions GloBI sur 5 types (connectance 6.8%, filtre Serrano α=0.2). 13 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°
23,0°C
Annual rain
372mm
Moisture idx (CMI)
-0,75
Runoff
27mm/an
PET
1 513mm
AET
315mm
Mean slope
2,2°
Water table
386cm
Forest
13%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)