HydroBASINS lev08 watershed · #7080002120
Bassin de Río Grande de Atoya
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 2 administrative regions : León, Nagarote
Sub-basin area
343,4km²
Upstream area
343,4km²
Discharge
0,66m³/s
Mean elev.
85m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 333.8 km²97.6% of basin
- 0.5 km²0.1% of basin
2 intersecting protected areas
Isla Juan Venado
IUCN IVNature Reserve
26.62 km² overlap
Nature Reserve
0.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
485 distinct species · 17 261 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Río Grande de Atoya : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 9.1%, 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°
27,0°C
Annual rain
1 433mm
Moisture idx (CMI)
-0,20
Runoff
590mm/an
PET
1 787mm
AET
1 027mm
Mean slope
1,9°
Water table
107cm
Forest
33%
Crops
21%
Urban
7%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)