HydroBASINS lev08 watershed · #6080378860
Bassin de Rio Alpercatas
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 5 administrative regions : Fernando Falcão, Formosa da Serra Negra, Fortaleza dos Nogueiras, Mirador, São Raimundo das Mangabeiras
Sub-basin area
916km²
Upstream area
916km²
Discharge
7,95m³/s
Mean elev.
443m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 408.2 km²44.8% of basin
- 291.6 km²32.0% of basin
- 173.4 km²19.0% of basin
- 29.3 km²3.2% of basin
- 9.6 km²1.1% of basin
1 intersecting protected areas
Parque Estadual De Mirador
IUCN IIPark
565.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
243 distinct species · 350 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Alpercatas : 18 espèces reliées par 27 interactions GloBI sur 3 types (connectance 9.8%, 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°
25,0°C
Annual rain
1 254mm
Moisture idx (CMI)
-0,31
Runoff
293mm/an
PET
1 807mm
AET
1 049mm
Mean slope
3,6°
Water table
208cm
Forest
4%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)