HydroBASINS lev08 watershed · #7080647330
Bassin de Duck 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 : Marshall, Maury, Williamson
Sub-basin area
399,1km²
Upstream area
2 736,5km²
Discharge
44,33m³/s
Mean elev.
222m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Duck River1109 km²
- Bassin de Big Rock Creek319 km²
3 dept-equivalent regions (GADM L2)
- 189.6 km²47.5% of basin
- Marshall165.7 km²41.5% of basin
- Williamson43.9 km²11.0% of basin
4 intersecting protected areas
Yanahli
IUCN VWildlife Management Area
25.18 km² overlap
State Natural Area
7.92 km² overlap
Duck River Megasite
IUCN VEasement
0.47 km² overlap
State Natural Area
0.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 021 distinct species · 23 497 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 Duck River : 32 espèces reliées par 68 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 6 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°
14,4°C
Annual rain
1 356mm
Moisture idx (CMI)
0,05
Runoff
473mm/an
PET
1 294mm
AET
986mm
Mean slope
2,0°
Water table
96cm
Forest
46%
Crops
24%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)