HydroBASINS lev08 watershed · #6080250220
Bassin de Rio Anapu
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 : Melgaço, Portel
Sub-basin area
2 246,6km²
Upstream area
22 139,6km²
Discharge
1 003,39m³/s
Mean elev.
22m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Anapu1248 km²
- Bassin de Rio Caxiuanã1204 km²
2 dept-equivalent regions (GADM L2)
- 1505.2 km²67.3% of basin
- 731.4 km²32.7% of basin
1 intersecting protected areas
Forest
92.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
209 distinct species · 373 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Anapu : 30 espèces reliées par 23 interactions GloBI sur 4 types (connectance 4.1%, filtre Serrano α=0.2). 4 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°
26,7°C
Annual rain
2 313mm
Moisture idx (CMI)
0,24
Runoff
1 240mm/an
PET
1 748mm
AET
1 443mm
Mean slope
0,7°
Water table
19cm
Forest
88%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)