HydroBASINS lev08 watershed · #7080767480
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 2 administrative regions : Brazoria, Fort Bend
Sub-basin area
206,5km²
Upstream area
108 480,4km²
Discharge
226,52m³/s
Mean elev.
19m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Brazos River1448 km²
- Bassin de Big Creek480 km²
2 dept-equivalent regions (GADM L2)
- 104.8 km²50.8% of basin
- 101.4 km²49.2% of basin
1 intersecting protected areas
Nash-Vaught Prairie Fee
IUCN VPrivate Conservation Land
0.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 619 distinct species · 442 998 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 68 interactions GloBI sur 4 types (connectance 9.2%, 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°
20,3°C
Annual rain
1 216mm
Moisture idx (CMI)
-0,14
Runoff
464mm/an
PET
1 415mm
AET
1 028mm
Mean slope
0,2°
Water table
12cm
Forest
9%
Crops
31%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)