HydroBASINS lev08 watershed · #6080413560
Bassin de Rio das Mamonas
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 5 administrative regions : Araripina, Caridade do Piauí, Curral Novo do Piauí, Patos do Piauí, Simões
Sub-basin area
789,6km²
Upstream area
789,6km²
Discharge
0,77m³/s
Mean elev.
493m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 351.3 km²44.7% of basin
- 314.1 km²40.0% of basin
- 86.9 km²11.1% of basin
- 17.5 km²2.2% of basin
- 16.4 km²2.1% of basin
1 intersecting protected areas
Environmental Protection Area
312.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
107 distinct species · 235 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 das Mamonas : 25 espèces reliées par 46 interactions GloBI sur 4 types (connectance 8.7%, filtre Serrano α=0.2). 8 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°
24,9°C
Annual rain
622mm
Moisture idx (CMI)
-0,64
Runoff
40mm/an
PET
1 747mm
AET
525mm
Mean slope
2,8°
Water table
423cm
Forest
35%
Crops
10%
Urban
0%
Protected
39%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)