HydroBASINS lev08 watershed · #7080679200
Bassin de Blackwater 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 4 administrative regions : Bailey, Castro, Lamb, Parmer
Sub-basin area
679km²
Upstream area
3 187km²
Discharge
0m³/s
Mean elev.
1 148m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Blackwater Draw464 km²
- Bassin de Blackwater Draw126 km²
4 dept-equivalent regions (GADM L2)
- 472.2 km²69.6% of basin
- 84.3 km²12.4% of basin
- 64.4 km²9.5% of basin
- 58.0 km²8.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
366 distinct species · 3 171 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Blackwater Draw : 31 espèces reliées par 103 interactions GloBI sur 4 types (connectance 10.9%, 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°
13,9°C
Annual rain
450mm
Moisture idx (CMI)
-0,69
Runoff
4mm/an
PET
1 429mm
AET
381mm
Mean slope
0,3°
Water table
116cm
Forest
1%
Crops
73%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)