HydroBASINS lev08 watershed · #7080048300
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 1 administrative regions : Brazoria
Sub-basin area
758,7km²
Upstream area
109 492,5km²
Discharge
240,5m³/s
Mean elev.
11m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 6 basins
- Bassin de Yellow House Draw2217 km²
- Bassin de Yellow House Draw2217 km²
- Bassin de Yellow House Draw1895 km²
- Bassin · #70800751301586 km²
- Bassin de Oyster Creek254 km²
- + 1 more
1 dept-equivalent regions (GADM L2)
- 757.6 km²100.0% of basin
10 intersecting protected areas
Marine Protected Area
45.60 km² overlap
Justin Hurst
IUCN VWildlife Management Area
45.54 km² overlap
San Bernard
IUCN IVNational Wildlife Refuge
42.71 km² overlap
Marine Protected Area
42.33 km² overlap
Reserve Program
18.09 km² overlap
Wgp
IUCN Not AssignedConservation Easement
12.15 km² overlap
Reserve Program
8.76 km² overlap
Reserve Program
5.12 km² overlap
Nash-Vaught Prairie Fee
IUCN VPrivate Conservation Land
1.41 km² overlap
1 more protected areassorted by overlap area
Open Space
IUCN VLocal Conservation Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 927 distinct species · 151 029 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 Brazos River : 30 espèces reliées par 77 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 11 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°
20,5°C
Annual rain
1 316mm
Moisture idx (CMI)
-0,04
Runoff
493mm/an
PET
1 376mm
AET
1 098mm
Mean slope
0,3°
Water table
14cm
Forest
33%
Crops
22%
Urban
6%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)