HydroBASINS lev08 watershed · #7080640280
Bassin de Little 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 : Blount, Knox, Sevier, Swain
Sub-basin area
979,3km²
Upstream area
979,3km²
Discharge
25,05m³/s
Mean elev.
540m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Blount702.0 km²71.7% of basin
- Sevier210.0 km²21.4% of basin
- Knox63.6 km²6.5% of basin
- 3.8 km²0.4% of basin
4 intersecting protected areas
Great Smoky Mountains
IUCN IINational Park
322.95 km² overlap
Great Smoky Mountains National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
313.94 km² overlap
Whites Mill
IUCN VRefuge
0.21 km² overlap
Watershed Protection
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 223 distinct species · 477 083 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Little River : 27 espèces reliées par 64 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 13 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°
12,9°C
Annual rain
1 399mm
Moisture idx (CMI)
0,13
Runoff
807mm/an
PET
1 202mm
AET
978mm
Mean slope
8,8°
Water table
310cm
Forest
77%
Crops
14%
Urban
10%
Protected
33%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)