HydroBASINS lev08 watershed · #6080463800
Bassin de Baixa do Caldeirão
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 2 administrative regions : Casa Nova, Petrolina
Sub-basin area
814,5km²
Upstream area
3 828,6km²
Discharge
3,92m³/s
Mean elev.
415m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho da Torre830 km²
- Bassin de Riacho Algodão712 km²
2 dept-equivalent regions (GADM L2)
- 810.7 km²99.9% of basin
- 0.5 km²0.1% of basin
1 intersecting protected areas
Environmental Protection Area
765.74 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
400 distinct species · 926 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Baixa do Caldeirão : 34 espèces reliées par 39 interactions GloBI sur 5 types (connectance 4.8%, filtre Serrano α=0.2). 7 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°
25,3°C
Annual rain
471mm
Moisture idx (CMI)
-0,76
Runoff
39mm/an
PET
1 945mm
AET
396mm
Mean slope
0,8°
Water table
93cm
Forest
33%
Crops
3%
Urban
1%
Protected
94%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)