HydroBASINS lev08 watershed · #6080460620
Bassin de Rio Perdida
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 : Alto Parnaíba, Balsas, Lizarda, Rio Sono
Sub-basin area
2 564,5km²
Upstream area
2 565,5km²
Discharge
43,18m³/s
Mean elev.
361m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 2074.8 km²81.2% of basin
- 453.9 km²17.8% of basin
- 14.3 km²0.6% of basin
- 10.9 km²0.4% of basin
2 intersecting protected areas
Park
1.21 km² overlap
Natural Heritage Private Reserve
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
154 distinct species · 261 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 Rio Perdida : 32 espèces reliées par 47 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 10 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°
25,9°C
Annual rain
1 489mm
Moisture idx (CMI)
-0,20
Runoff
544mm/an
PET
1 868mm
AET
1 158mm
Mean slope
2,9°
Water table
159cm
Forest
7%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)