HydroBASINS lev08 watershed · #7080638810
Bassin de Tennessee 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 6 administrative regions : Benton, Carroll, Decatur, Henderson, Humphreys +1
Sub-basin area
931,1km²
Upstream area
90 333,3km²
Discharge
2 039,76m³/s
Mean elev.
164m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tennessee River1040 km²
- Bassin de Beech River790 km²
6 dept-equivalent regions (GADM L2)
- Perry312.2 km²33.5% of basin
- Decatur308.7 km²33.2% of basin
- Benton125.5 km²13.5% of basin
- Humphreys87.9 km²9.4% of basin
- Henderson84.0 km²9.0% of basin
- Carroll13.0 km²1.4% of basin
3 intersecting protected areas
Wildlife Management Area
38.84 km² overlap
Tennessee
IUCN IVNational Wildlife Refuge
24.74 km² overlap
Buffalo Ridge
IUCN VRefuge
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 609 distinct species · 200 576 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Tennessee River : 26 espèces reliées par 61 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 9 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°
14,3°C
Annual rain
1 385mm
Moisture idx (CMI)
0,06
Runoff
362mm/an
PET
1 308mm
AET
1 006mm
Mean slope
3,3°
Water table
183cm
Forest
93%
Crops
11%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)