HydroBASINS lev08 watershed · #7080733840
Bassin de Rock Quarry Draw
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 : Reeves, Ward
Sub-basin area
40,9km²
Upstream area
61 150,9km²
Discharge
16,16m³/s
Mean elev.
795m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 4 basins
- Bassin · #70800765701926 km²
- Bassin de Salado Draw848 km²
- Bassin de Lateral Canal Number 3518 km²
- Bassin de Lateral Canal Number 345 km²
2 dept-equivalent regions (GADM L2)
- Ward31.0 km²75.7% of basin
- 9.9 km²24.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
176 distinct species · 450 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 51 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 Rock Quarry Draw : 36 espèces reliées par 99 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 15 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°
18,2°C
Annual rain
285mm
Moisture idx (CMI)
-0,83
Runoff
22mm/an
PET
1 706mm
AET
239mm
Mean slope
0,5°
Water table
158cm
Forest
0%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)