HydroBASINS lev08 watershed · #6080916920
Bassin de Arroyo Tapalqué
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 3 administrative regions : Azul, Olavarría, Tapalqué
Sub-basin area
700,3km²
Upstream area
2 015km²
Discharge
19,52m³/s
Mean elev.
173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Tapalqué755 km²
- Bassin de Arroyo Brazo Tapalqué559 km²
3 dept-equivalent regions (GADM L2)
- 691.6 km²98.7% of basin
- 6.2 km²0.9% of basin
- 2.8 km²0.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
440 distinct species · 2 987 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Arroyo Tapalqué : 37 espèces reliées par 50 interactions GloBI sur 5 types (connectance 5.8%, 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°
14,1°C
Annual rain
893mm
Moisture idx (CMI)
-0,31
Runoff
278mm/an
PET
1 285mm
AET
757mm
Mean slope
0,5°
Water table
40cm
Forest
0%
Crops
27%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)