HydroBASINS lev08 watershed · #6080020530
Bassin de Arroyo Belgrano
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 1 administrative regions : Escalante
Sub-basin area
1 425,8km²
Upstream area
1 425,8km²
Discharge
0,43m³/s
Mean elev.
346m
Administrative coverage
1 intersecting protected areas
Patagonia Azul
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
229.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
345 distinct species · 5 556 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 Belgrano : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 4 types (connectance 8.4%, 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°
10,9°C
Annual rain
202mm
Moisture idx (CMI)
-0,79
Runoff
30mm/an
PET
944mm
AET
186mm
Mean slope
6,7°
Water table
814cm
Forest
11%
Crops
0%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)