HydroBASINS lev08 watershed · #6080770920
Bassin de Río Valle 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 5 administrative regions : Humahuaca, Ledesma, Orán, Tilcara, Valle Grande
Sub-basin area
2 310,4km²
Upstream area
2 310,7km²
Discharge
15,98m³/s
Mean elev.
2 434m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 1068.6 km²46.4% of basin
- 736.8 km²32.0% of basin
- 389.2 km²16.9% of basin
- 72.6 km²3.1% of basin
- 37.7 km²1.6% of basin
3 intersecting protected areas
Las Yungas
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1412.88 km² overlap
Calilegua
IUCN IINational Park
201.91 km² overlap
Quebrada de Humahuaca
IUCN VProtected Landscape
0.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 910 distinct species · 130 432 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Valle Grande : 11 espèces reliées par 18 interactions GloBI sur 3 types (connectance 13.2%, 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°
13,1°C
Annual rain
473mm
Moisture idx (CMI)
-0,68
Runoff
225mm/an
PET
1 428mm
AET
401mm
Mean slope
21,8°
Water table
799cm
Forest
49%
Crops
2%
Urban
0%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)