HydroBASINS lev08 watershed · #7080677020
Bassin de Tombigbee 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 1 administrative regions : Itawamba
Sub-basin area
62,5km²
Upstream area
1 076,9km²
Discharge
25,1m³/s
Mean elev.
97m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tombigbee River542 km²
- Bassin de Twenty Mile Creek472 km²
1 dept-equivalent regions (GADM L2)
- 62.5 km²100.0% of basin
1 intersecting protected areas
Canal Section
IUCN VState Conservation Area
10.62 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
111 distinct species · 147 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 49 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 Tombigbee River : 41 espèces reliées par 88 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 8 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°
16,2°C
Annual rain
1 433mm
Moisture idx (CMI)
0,04
Runoff
740mm/an
PET
1 376mm
AET
1 037mm
Mean slope
1,3°
Water table
79cm
Forest
87%
Crops
18%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)