Rivière· 88 segments
Big Sunflower River
Crosses 7 administrative regions : Bolivar, Coahoma, Humphreys, Sharkey, Sunflower +2
Total length
339km
Max discharge
160,2m³/s
Max Strahler
5
Segments matched
88
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- SunflowerMississippi · United States217.7 kmin this dpt
- SharkeyMississippi · United States94.5 kmin this dpt
- CoahomaMississippi · United States57.7 kmin this dpt
- BolivarMississippi · United States32.9 kmin this dpt
- HumphreysMississippi · United States25.9 kmin this dpt
- YazooMississippi · United States24.0 kmin this dpt
- WashingtonMississippi · United States10.0 kmin this dpt
17 intersecting protected areas
Sunflower
IUCN VState Conservation Area
Reserve Program
Wetlands Reserve Program (WRP)
IUCN Not AssignedReserve Program
Reserve Program
Reserve Program
National Wildlife Refuge
Lake George
IUCN VState Conservation Area
Theodore Roosevelt
IUCN IVNational Wildlife Refuge
Reserve Program
8 more protected areassorted by area
Conservation Easement
Sunf
IUCN VGreentree
Holt Collier
IUCN IVNational Wildlife Refuge
Sunflower
IUCN VWildlife Management Area
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Sunflower, MS
IUCN VConservation Easement
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Bolivar, MS
IUCN VConservation Easement
Us-Ms-58-15
IUCN Not AssignedConservation Easement
Reserve Program
1 page = 1 named river (aggregation of 88 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
145 distinct species · 640 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Big Sunflower River : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 143 interactions GloBI sur 5 types (connectance 12.2%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
339km
Max discharge
160,2m³/s
Max Strahler
5
Segments matched
88
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.