HydroBASINS lev08 watershed · #6080334230
Bassin de Rio Poti
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 4 administrative regions : Buriti dos Montes, Castelo do Piauí, Milton Brandão, Poranga
Sub-basin area
562,1km²
Upstream area
15 971,2km²
Discharge
20,03m³/s
Mean elev.
264m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Macambira490 km²
- Bassin de Rio Poti304 km²
4 dept-equivalent regions (GADM L2)
- 550.1 km²98.3% of basin
- 7.3 km²1.3% of basin
- 1.6 km²0.3% of basin
- 0.6 km²0.1% of basin
2 intersecting protected areas
Park
217.60 km² overlap
Environmental Protection Area
92.70 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
130 distinct species · 333 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Poti : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 2 types (connectance 7.4%, 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°
25,8°C
Annual rain
884mm
Moisture idx (CMI)
-0,51
Runoff
92mm/an
PET
1 821mm
AET
745mm
Mean slope
2,9°
Water table
293cm
Forest
6%
Crops
4%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)