HydroBASINS lev08 watershed · #6080764330
Bassin de Río Grande
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 : Humahuaca, Tilcara
Sub-basin area
244,6km²
Upstream area
2 551,4km²
Discharge
4,84m³/s
Mean elev.
3 388m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Grande1743 km²
- Bassin de Arroyo de Chorcan564 km²
2 dept-equivalent regions (GADM L2)
- 242.6 km²99.4% of basin
- 1.4 km²0.6% of basin
1 intersecting protected areas
Quebrada de Humahuaca
IUCN VProtected Landscape
235.61 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
235 distinct species · 1 959 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Río Grande : 26 espèces reliées par 59 interactions GloBI sur 5 types (connectance 7.6%, filtre Serrano α=0.2). 14 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°
9,6°C
Annual rain
204mm
Moisture idx (CMI)
-0,85
Runoff
133mm/an
PET
1 374mm
AET
174mm
Mean slope
13,0°
Water table
546cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)