HydroBASINS lev08 watershed · #6080649740
Bassin de Rio Tunas
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 : Velasco, Ñuflo De Chávez
Sub-basin area
108,5km²
Upstream area
68 859,6km²
Discharge
233,95m³/s
Mean elev.
279m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio San Julian2294 km²
- Bassin de Rio Tunas394 km²
2 dept-equivalent regions (GADM L2)
- 83.4 km²77.2% of basin
- 24.7 km²22.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
137 distinct species · 272 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Tunas : 3 espèces reliées par 4 interactions GloBI sur 2 types (connectance 40.0%, filtre Serrano α=0.2). 2 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°
24,4°C
Annual rain
975mm
Moisture idx (CMI)
-0,46
Runoff
119mm/an
PET
1 821mm
AET
824mm
Mean slope
1,3°
Water table
124cm
Forest
99%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)