HydroBASINS lev08 watershed · #6080244220
Bassin de Rio Piriá
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 : Cachoeira do Piriá, Santa Luzia do Pará, Viseu
Sub-basin area
370,1km²
Upstream area
2 747,6km²
Discharge
101,25m³/s
Mean elev.
45m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Piriá493 km²
- Bassin de Rio Piriá101 km²
3 dept-equivalent regions (GADM L2)
- 308.3 km²83.7% of basin
- 59.9 km²16.2% of basin
- 0.2 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
97 distinct species · 284 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Piriá : 18 espèces reliées par 21 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 5 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°
26,3°C
Annual rain
2 220mm
Moisture idx (CMI)
0,25
Runoff
1 347mm/an
PET
1 666mm
AET
1 333mm
Mean slope
1,3°
Water table
25cm
Forest
18%
Crops
4%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)