HydroBASINS lev08 watershed · #6080875070
Bassin de Arroyo Bacacuá 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 4 administrative regions : Lorenzo Geyres, NA, Piedras Coloradas, Porvenir
Sub-basin area
873,7km²
Upstream area
7 257,7km²
Discharge
135,25m³/s
Mean elev.
61m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Queguay Chico2036 km²
- Bassin de Rio Queguay Grande1909 km²
4 dept-equivalent regions (GADM L2)
- 508.9 km²58.3% of basin
- 224.5 km²25.7% of basin
- 139.5 km²16.0% of basin
- 0.3 km²0.0% of basin
1 intersecting protected areas
Montes del Queguay
IUCN VIProtected Area of Managed Resources
21.41 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
142 distinct species · 267 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 Bacacuá Grande : 33 espèces reliées par 47 interactions GloBI sur 4 types (connectance 5.5%, filtre Serrano α=0.2). 9 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°
18,1°C
Annual rain
1 220mm
Moisture idx (CMI)
-0,14
Runoff
542mm/an
PET
1 417mm
AET
1 034mm
Mean slope
1,7°
Water table
88cm
Forest
9%
Crops
11%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)