HydroBASINS lev08 watershed · #7080803210
Bassin de Río Nazas
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 : Cuencamé, Lerdo, Mapimí, Nazas
Sub-basin area
1 358,7km²
Upstream area
31 408,1km²
Discharge
40,18m³/s
Mean elev.
1 584m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Nazas1940 km²
- Bassin de Río Nazas335 km²
4 dept-equivalent regions (GADM L2)
- 1137.9 km²83.9% of basin
- 93.5 km²6.9% of basin
- 78.9 km²5.8% of basin
- 45.7 km²3.4% of basin
1 intersecting protected areas
Natural Resources Protection Area
674.62 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
446 distinct species · 2 032 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 49 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 Nazas : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 4 types (connectance 8.5%, filtre Serrano α=0.2). 13 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°
20,2°C
Annual rain
300mm
Moisture idx (CMI)
-0,84
Runoff
14mm/an
PET
1 850mm
AET
252mm
Mean slope
9,2°
Water table
757cm
Forest
0%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)