HydroBASINS lev08 watershed · #6080886570
Bassin de Arroyo Pavón
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 6 administrative regions : Caseros, Constitución, General López, Rosario, San Lorenzo +1
Sub-basin area
2 611,4km²
Upstream area
2 611,7km²
Discharge
21,15m³/s
Mean elev.
69m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 1940.8 km²74.4% of basin
- 359.1 km²13.8% of basin
- 167.0 km²6.4% of basin
- 88.4 km²3.4% of basin
- 51.9 km²2.0% of basin
- 3.1 km²0.1% of basin
2 intersecting protected areas
Arroyo Sauce-Pavón
IUCN Not ReportedNatural Water Reserve
180.31 km² overlap
Humedal Laguna Melincué
IUCN Not ReportedWetland of International Importance (Ramsar Site)
66.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
665 distinct species · 10 878 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Pavón : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 3 types (connectance 7.5%, filtre Serrano α=0.2). 8 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°
16,5°C
Annual rain
920mm
Moisture idx (CMI)
-0,34
Runoff
243mm/an
PET
1 389mm
AET
780mm
Mean slope
0,1°
Water table
31cm
Forest
0%
Crops
73%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)