HydroBASINS lev08 watershed · #7080664170
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 : Dade, De Kalb, Franklin, Grundy, Jackson +1
Sub-basin area
976,7km²
Upstream area
59 145,8km²
Discharge
1 438,41m³/s
Mean elev.
392m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sequatchie River1588 km²
- Bassin de Parker Gap Branch518 km²
6 dept-equivalent regions (GADM L2)
- Marion470.5 km²48.2% of basin
- 372.9 km²38.2% of basin
- Grundy57.4 km²5.9% of basin
- 34.1 km²3.5% of basin
- 26.8 km²2.7% of basin
- Franklin15.0 km²1.5% of basin
5 intersecting protected areas
Russell Cave
IUCN IIINational Monument
1.17 km² overlap
Grundy Forest Designated
IUCN VState Natural Area
0.99 km² overlap
Atlantic Coast Conservancy/Pelican Coast Conservancy Conservation Easement E201690A/D201646A
IUCN Not AssignedConservation Easement
0.60 km² overlap
Reserve Program
0.16 km² overlap
Reserve Program
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 242 distinct species · 30 615 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 : 37 espèces reliées par 102 interactions GloBI sur 4 types (connectance 8.7%, filtre Serrano α=0.2). 12 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°
14,0°C
Annual rain
1 501mm
Moisture idx (CMI)
0,17
Runoff
636mm/an
PET
1 243mm
AET
1 008mm
Mean slope
6,3°
Water table
352cm
Forest
80%
Crops
16%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)