HydroBASINS lev08 watershed · #6080884280
Bassin de Arroyo de la Tortuga
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 : Belgrano, Iriondo, Marcos Juárez, San Martín
Sub-basin area
2 491,3km²
Upstream area
13 167,7km²
Discharge
36,79m³/s
Mean elev.
101m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Canal Litin Tortugas1453 km²
- Bassin de Canal San Antonio201 km²
4 dept-equivalent regions (GADM L2)
- 1504.8 km²60.4% of basin
- 844.7 km²33.9% of basin
- 114.2 km²4.6% of basin
- 26.0 km²1.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
445 distinct species · 3 901 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 de la Tortuga : 26 espèces reliées par 43 interactions GloBI sur 5 types (connectance 7.2%, 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°
17,1°C
Annual rain
878mm
Moisture idx (CMI)
-0,39
Runoff
63mm/an
PET
1 434mm
AET
744mm
Mean slope
0,1°
Water table
40cm
Forest
3%
Crops
78%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)