HydroBASINS lev08 watershed · #6080439190
Bassin de Riacho Terra Nova
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 6 administrative regions : Belém do São Francisco, Cabrobó, Orocó, Parnamirim, Salgueiro +1
Sub-basin area
1 036,4km²
Upstream area
3 859,7km²
Discharge
20,71m³/s
Mean elev.
403m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Eixo Norte1305 km²
- Bassin de Riacho das Traíras157 km²
6 dept-equivalent regions (GADM L2)
- 813.7 km²78.8% of basin
- 111.8 km²10.8% of basin
- 69.6 km²6.7% of basin
- 36.8 km²3.6% of basin
- 0.1 km²0.0% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Wildlife Refuge
193.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
721 distinct species · 2 484 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 Riacho Terra Nova : 32 espèces reliées par 37 interactions GloBI sur 5 types (connectance 4.5%, filtre Serrano α=0.2). 9 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°
24,6°C
Annual rain
565mm
Moisture idx (CMI)
-0,67
Runoff
156mm/an
PET
1 699mm
AET
477mm
Mean slope
2,7°
Water table
200cm
Forest
19%
Crops
4%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)