HydroBASINS lev08 watershed · #7080713320
Bassin de Sabine 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 : Gregg, Smith, Upshur
Sub-basin area
726,6km²
Upstream area
7 656,6km²
Discharge
77,67m³/s
Mean elev.
118m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sabine River816 km²
- Bassin de Big Sandy Creek617 km²
3 dept-equivalent regions (GADM L2)
- 285.6 km²39.3% of basin
- 266.9 km²36.8% of basin
- Smith173.7 km²23.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 438 distinct species · 22 284 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Sabine River : 34 espèces reliées par 90 interactions GloBI sur 4 types (connectance 9.1%, 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°
17,9°C
Annual rain
1 130mm
Moisture idx (CMI)
-0,20
Runoff
361mm/an
PET
1 421mm
AET
955mm
Mean slope
1,5°
Water table
88cm
Forest
59%
Crops
14%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)