HydroBASINS lev08 watershed · #6080886010
Bassin de Brazo del Arroyo 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 3 administrative regions : NA
Sub-basin area
7,7km²
Upstream area
58 733,4km²
Discharge
851,23m³/s
Mean elev.
44m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Negro2365 km²
- Bassin de Arroyo Marincho1216 km²
3 dept-equivalent regions (GADM L2)
- 7.0 km²90.4% of basin
- 0.4 km²5.1% of basin
- 0.3 km²4.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
141 distinct species · 543 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Brazo del Arroyo Grande : 31 espèces reliées par 38 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 4 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°
17,8°C
Annual rain
1 200mm
Moisture idx (CMI)
-0,11
Runoff
390mm/an
PET
1 352mm
AET
1 011mm
Mean slope
1,2°
Water table
36cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)