HydroBASINS lev08 watershed · #6080017610
Bassin de Arroyo Vivoratá
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 : Balcarce, General Pueyrredón, Mar Chiquita
Sub-basin area
346,4km²
Upstream area
8 173,2km²
Discharge
80,09m³/s
Mean elev.
48m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Arroyo Dulce797 km²
- Bassin de Arroyo Dulce3 km²
3 dept-equivalent regions (GADM L2)
- 132.8 km²38.3% of basin
- 124.5 km²35.9% of basin
- 86.8 km²25.0% of basin
4 intersecting protected areas
Mar Chiquita
IUCN VIWildlife Refuge
29.50 km² overlap
Parque Atlántico Mar Chiquito
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
13.89 km² overlap
Mar Chiquita - Dragones de Malvinas
IUCN Not ReportedNature Reserve of Defense
4.88 km² overlap
Mar Chiquita
IUCN VIMultiple Use Nature Reserve
2.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
391 distinct species · 10 897 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 Arroyo Vivoratá : 24 espèces reliées par 43 interactions GloBI sur 3 types (connectance 9.9%, 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°
13,7°C
Annual rain
843mm
Moisture idx (CMI)
-0,26
Runoff
337mm/an
PET
1 145mm
AET
716mm
Mean slope
0,9°
Water table
54cm
Forest
5%
Crops
40%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)