HydroBASINS lev08 watershed · #7080721150
Bassin de Big Black 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 3 administrative regions : Claiborne, Hinds, Warren
Sub-basin area
709,3km²
Upstream area
8 732,3km²
Discharge
178,82m³/s
Mean elev.
65m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Big Black River2108 km²
- Bassin de Bakers Creek668 km²
3 dept-equivalent regions (GADM L2)
- Claiborne290.9 km²41.0% of basin
- Warren211.3 km²29.8% of basin
- 206.6 km²29.1% of basin
1 intersecting protected areas
Reserve Program
4.80 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 339 distinct species · 6 558 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Big Black River : 27 espèces reliées par 94 interactions GloBI sur 4 types (connectance 14.1%, 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°
18,0°C
Annual rain
1 413mm
Moisture idx (CMI)
0,00
Runoff
628mm/an
PET
1 412mm
AET
1 065mm
Mean slope
1,6°
Water table
99cm
Forest
93%
Crops
12%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)