HydroBASINS lev08 watershed · #7080655030
Bassin de Hiwassee 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 4 administrative regions : Cherokee, McMinn, Monroe, Polk
Sub-basin area
1 281,3km²
Upstream area
3 562,3km²
Discharge
104,8m³/s
Mean elev.
481m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nottely River752 km²
- Bassin de Hanging Dog Creek126 km²
4 dept-equivalent regions (GADM L2)
- Cherokee461.5 km²36.0% of basin
- Polk455.7 km²35.6% of basin
- Monroe230.8 km²18.0% of basin
- 133.4 km²10.4% of basin
4 intersecting protected areas
Wildlife Management Area
345.37 km² overlap
Gee Creek
IUCN IbWilderness
10.35 km² overlap
Upper Bald River
IUCN IbWilderness
2.83 km² overlap
Little Frog Mountain
IUCN IbWilderness
0.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 148 distinct species · 34 220 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Hiwassee River : 33 espèces reliées par 72 interactions GloBI sur 4 types (connectance 8.0%, filtre Serrano α=0.2). 10 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°
13,3°C
Annual rain
1 505mm
Moisture idx (CMI)
0,16
Runoff
855mm/an
PET
1 262mm
AET
1 027mm
Mean slope
8,3°
Water table
311cm
Forest
98%
Crops
5%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)