Rivière· 21 segments
South Fork Big Nemaha River
Crosses 3 administrative regions : Nemaha, Pawnee, Richardson
Total length
89km
Max discharge
10,4m³/s
Max Strahler
4
Segments matched
21
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- NemahaKansas · United States69.5 kmin this dpt
- RichardsonNebraska · United States27.3 kmin this dpt
- PawneeNebraska · United States11.2 kmin this dpt
6 intersecting protected areas
Reserve Program
Nemaha
IUCN VWildlife Area
South Fork
IUCN VWildlife Management Area
Kinter's Ford
IUCN VWildlife Management Area
Iron Horse Trail
IUCN VWildlife Management Area
Reserve Program
1 page = 1 named river (aggregation of 21 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
38 distinct species · 48 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 South Fork Big Nemaha River : 15 espèces reliées par 27 interactions GloBI sur 3 types (connectance 17.6%, filtre Serrano α=0.2). 3 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
89km
Max discharge
10,4m³/s
Max Strahler
4
Segments matched
21
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.