HydroBASINS lev08 watershed · #7080752460
Bassin de Brazos River
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 3 administrative regions : Brazos, Grimes, Washington
Sub-basin area
115,1km²
Upstream area
97 521,9km²
Discharge
176,86m³/s
Mean elev.
73m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Middle Yegua Creek3443 km²
- Bassin de Brazos River5 km²
3 dept-equivalent regions (GADM L2)
- 79.0 km²68.7% of basin
- Washington35.8 km²31.2% of basin
- 0.1 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
698 distinct species · 26 923 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Brazos River : 29 espèces reliées par 70 interactions GloBI sur 3 types (connectance 9.4%, 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°
19,9°C
Annual rain
1 032mm
Moisture idx (CMI)
-0,31
Runoff
217mm/an
PET
1 485mm
AET
872mm
Mean slope
0,9°
Water table
74cm
Forest
4%
Crops
36%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)