HydroBASINS lev08 watershed · #7080709120
Bassin de Yazoo 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 : Holmes, Humphreys, Sharkey, Yazoo
Sub-basin area
1 326,1km²
Upstream area
24 723,9km²
Discharge
615,14m³/s
Mean elev.
53m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Black Creek1034 km²
- Bassin de Yazoo River97 km²
4 dept-equivalent regions (GADM L2)
- 1174.1 km²88.6% of basin
- 151.3 km²11.4% of basin
- 0.0 km²0.0% of basin
- Holmes0.0 km²0.0% of basin
13 intersecting protected areas
Panther Swamp
IUCN IVNational Wildlife Refuge
130.16 km² overlap
Reserve Program
19.00 km² overlap
Lake George
IUCN VState Conservation Area
16.11 km² overlap
Reserve Program
12.30 km² overlap
Reserve Program
11.07 km² overlap
US-MS-58-25 Wetlands
IUCN Not AssignedReserve Program
5.54 km² overlap
Theodore Roosevelt
IUCN IVNational Wildlife Refuge
3.39 km² overlap
Us-Ms-58-25
IUCN Not AssignedConservation Easement
1.39 km² overlap
Reserve Program
0.44 km² overlap
4 more protected areassorted by overlap area
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Humphreys, MS
IUCN VConservation Easement
0.27 km² overlap
Wetlands Reserve Program (WRP), Holmes, MS
IUCN Not AssignedReserve Program
0.09 km² overlap
Panther Swamp
IUCN VNational Wildlife Refuge
0.02 km² overlap
Private
IUCN VPRIVATE
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 074 distinct species · 20 057 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Yazoo River : 28 espèces reliées par 69 interactions GloBI sur 3 types (connectance 11.0%, 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°
17,6°C
Annual rain
1 393mm
Moisture idx (CMI)
0,00
Runoff
768mm/an
PET
1 388mm
AET
1 038mm
Mean slope
1,0°
Water table
58cm
Forest
47%
Crops
39%
Urban
1%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)