HydroBASINS lev08 watershed · #7080638980
Bassin de Obion 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 : Dyer
Sub-basin area
247,2km²
Upstream area
6 318,9km²
Discharge
124,88m³/s
Mean elev.
82m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Obion River847 km²
- Bassin de Running Reelfoot Bayou733 km²
1 dept-equivalent regions (GADM L2)
- 247.2 km²100.0% of basin
7 intersecting protected areas
Moss Island
IUCN VWildlife Management Area
17.42 km² overlap
Thorny Cypress
IUCN VWildlife Management Area
13.19 km² overlap
Ernest Rice
IUCN VWildlife Management Area
11.75 km² overlap
White Lake
IUCN VRefuge
4.07 km² overlap
Reserve Program
1.40 km² overlap
Conservation Easement
0.26 km² overlap
Us-Tn-87-2
IUCN Not AssignedConservation Easement
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
424 distinct species · 37 361 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Obion River : 21 espèces reliées par 70 interactions GloBI sur 3 types (connectance 13.3%, 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°
15,2°C
Annual rain
1 272mm
Moisture idx (CMI)
0,03
Runoff
687mm/an
PET
1 228mm
AET
942mm
Mean slope
0,4°
Water table
26cm
Forest
10%
Crops
64%
Urban
0%
Protected
15%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)