HydroBASINS lev08 watershed · #7080697870
Bassin de Lost 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 : Cochran, Lea, Terry, Yoakum
Sub-basin area
642km²
Upstream area
642km²
Discharge
0,15m³/s
Mean elev.
1 118m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 460.0 km²71.7% of basin
- 128.6 km²20.0% of basin
- 51.9 km²8.1% of basin
- 1.3 km²0.2% of basin
1 intersecting protected areas
Yoakum Dunes Fee
IUCN VPrivate Conservation Land
4.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
208 distinct species · 1 554 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Lost Draw : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 129 interactions GloBI sur 4 types (connectance 20.5%, filtre Serrano α=0.2). 10 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°
14,7°C
Annual rain
450mm
Moisture idx (CMI)
-0,70
Runoff
9mm/an
PET
1 478mm
AET
381mm
Mean slope
0,3°
Water table
62cm
Forest
0%
Crops
57%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)