HydroBASINS lev08 watershed · #6080896020
Bassin de Río Luján
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 7 administrative regions : Campana, Escobar, Exaltación de la Cruz, General Rodríguez, Luján +2
Sub-basin area
999,8km²
Upstream area
2 798,9km²
Discharge
32,53m³/s
Mean elev.
24m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Balta164 km²
- Bassin de Arroyo del Oro159 km²
7 dept-equivalent regions (GADM L2)
- 507.0 km²50.7% of basin
- 203.4 km²20.3% of basin
- 154.3 km²15.4% of basin
- 72.3 km²7.2% of basin
- 34.0 km²3.4% of basin
- 16.8 km²1.7% of basin
- 11.8 km²1.2% of basin
3 intersecting protected areas
Ciervo de los Pantanos
IUCN IINational Park
35.47 km² overlap
Reserva Natural Otamendi
IUCN Not ReportedWetland of International Importance (Ramsar Site)
34.34 km² overlap
Rio Lujan
IUCN VIMultiple Use Nature Reserve
0.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 671 distinct species · 62 399 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Luján : 25 espèces reliées par 34 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 5 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°
16,4°C
Annual rain
1 031mm
Moisture idx (CMI)
-0,24
Runoff
409mm/an
PET
1 359mm
AET
874mm
Mean slope
0,4°
Water table
26cm
Forest
17%
Crops
14%
Urban
19%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)